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This is gnupg.info, produced by makeinfo version 6.5 from gnupg.texi.

This is the 'The GNU Privacy Guard Manual' (version 2.2.26-beta25,
December 2020).

   (C) 2002, 2004, 2005, 2006, 2007, 2010 Free Software Foundation, Inc.
(C) 2013, 2014, 2015 Werner Koch.
(C) 2015, 2016, 2017 g10 Code GmbH.

     Permission is granted to copy, distribute and/or modify this
     document under the terms of the GNU General Public License as
     published by the Free Software Foundation; either version 3 of the
     License, or (at your option) any later version.  The text of the
     license can be found in the section entitled "Copying".
INFO-DIR-SECTION GNU Utilities
START-INFO-DIR-ENTRY
* gpg2: (gnupg).           OpenPGP encryption and signing tool.
* gpgsm: (gnupg).          S/MIME encryption and signing tool.
* gpg-agent: (gnupg).      The secret key daemon.
* dirmngr: (gnupg).        X.509 CRL and OCSP server.
* dirmngr-client: (gnupg). X.509 CRL and OCSP client.
END-INFO-DIR-ENTRY


File: gnupg.info,  Node: GPGSM GENKEY,  Next: GPGSM LISTKEYS,  Prev: GPGSM VERIFY,  Up: GPGSM Protocol

5.6.5 Generating a Key
----------------------

This is used to generate a new keypair, store the secret part in the PSE
and the public key in the key database.  We will probably add optional
commands to allow the client to select whether a hardware token is used
to store the key.  Configuration options to 'GPGSM' can be used to
restrict the use of this command.

       GENKEY

   'GPGSM' checks whether this command is allowed and then does an
INQUIRY to get the key parameters, the client should then send the key
parameters in the native format:

         S: INQUIRE KEY_PARAM native
         C: D foo:fgfgfg
         C: D bar
         C: END

   Please note that the server may send Status info lines while reading
the data lines from the client.  After this the key generation takes
place and the server eventually does send an ERR or OK response.  Status
lines may be issued as a progress indicator.


File: gnupg.info,  Node: GPGSM LISTKEYS,  Next: GPGSM EXPORT,  Prev: GPGSM GENKEY,  Up: GPGSM Protocol

5.6.6 List available keys
-------------------------

To list the keys in the internal database or using an external key
provider, the command:

       LISTKEYS  PATTERN

   is used.  To allow multiple patterns (which are ORed during the
search) quoting is required: Spaces are to be translated into "+" or
into "%20"; in turn this requires that the usual escape quoting rules
are done.

       LISTSECRETKEYS PATTERN

   Lists only the keys where a secret key is available.

   The list commands are affected by the option

       OPTION list-mode=MODE

   where mode may be:
'0'
     Use default (which is usually the same as 1).
'1'
     List only the internal keys.
'2'
     List only the external keys.
'3'
     List internal and external keys.

   Note that options are valid for the entire session.


File: gnupg.info,  Node: GPGSM EXPORT,  Next: GPGSM IMPORT,  Prev: GPGSM LISTKEYS,  Up: GPGSM Protocol

5.6.7 Export certificates
-------------------------

To export certificate from the internal key database the command:

       EXPORT [--data [--armor] [--base64]] [--] PATTERN

   is used.  To allow multiple patterns (which are ORed) quoting is
required: Spaces are to be translated into "+" or into "%20"; in turn
this requires that the usual escape quoting rules are done.

   If the '--data' option has not been given, the format of the output
depends on what was set with the 'OUTPUT' command.  When using PEM
encoding a few informational lines are prepended.

   If the '--data' has been given, a target set via 'OUTPUT' is ignored
and the data is returned inline using standard 'D'-lines.  This avoids
the need for an extra file descriptor.  In this case the options
'--armor' and '--base64' may be used in the same way as with the
'OUTPUT' command.


File: gnupg.info,  Node: GPGSM IMPORT,  Next: GPGSM DELETE,  Prev: GPGSM EXPORT,  Up: GPGSM Protocol

5.6.8 Import certificates
-------------------------

To import certificates into the internal key database, the command

       IMPORT [--re-import]

   is used.  The data is expected on the file descriptor set with the
'INPUT' command.  Certain checks are performed on the certificate.  Note
that the code will also handle PKCS#12 files and import private keys; a
helper program is used for that.

   With the option '--re-import' the input data is expected to a be a
linefeed separated list of fingerprints.  The command will re-import the
corresponding certificates; that is they are made permanent by removing
their ephemeral flag.


File: gnupg.info,  Node: GPGSM DELETE,  Next: GPGSM GETAUDITLOG,  Prev: GPGSM IMPORT,  Up: GPGSM Protocol

5.6.9 Delete certificates
-------------------------

To delete a certificate the command

       DELKEYS PATTERN

   is used.  To allow multiple patterns (which are ORed) quoting is
required: Spaces are to be translated into "+" or into "%20"; in turn
this requires that the usual escape quoting rules are done.

   The certificates must be specified unambiguously otherwise an error
is returned.


File: gnupg.info,  Node: GPGSM GETAUDITLOG,  Next: GPGSM GETINFO,  Prev: GPGSM DELETE,  Up: GPGSM Protocol

5.6.10 Retrieve an audit log
----------------------------

This command is used to retrieve an audit log.

     GETAUDITLOG [--data] [--html]

   If '--data' is used, the audit log is send using D-lines instead of
being sent to the file descriptor given by an 'OUTPUT' command.  If
'--html' is used, the output is formatted as an XHTML block.  This is
designed to be incorporated into a HTML document.


File: gnupg.info,  Node: GPGSM GETINFO,  Next: GPGSM OPTION,  Prev: GPGSM GETAUDITLOG,  Up: GPGSM Protocol

5.6.11 Return information about the process
-------------------------------------------

This is a multipurpose function to return a variety of information.

     GETINFO WHAT

   The value of WHAT specifies the kind of information returned:
'version'
     Return the version of the program.
'pid'
     Return the process id of the process.
'agent-check'
     Return OK if the agent is running.
'cmd_has_option CMD OPT'
     Return OK if the command CMD implements the option OPT.  The
     leading two dashes usually used with OPT shall not be given.
'offline'
     Return OK if the connection is in offline mode.  This may be either
     due to a 'OPTION offline=1' or due to 'gpgsm' being started with
     option '--disable-dirmngr'.


File: gnupg.info,  Node: GPGSM OPTION,  Prev: GPGSM GETINFO,  Up: GPGSM Protocol

5.6.12 Session options
----------------------

The standard Assuan option handler supports these options.

     OPTION NAME[=VALUE]

   These NAMEs are recognized:

'putenv'
     Change the session's environment to be passed via gpg-agent to
     Pinentry.  VALUE is a string of the form '<KEY>[=[<STRING>]]'.  If
     only '<KEY>' is given the environment variable '<KEY>' is removed
     from the session environment, if '<KEY>=' is given that environment
     variable is set to the empty string, and if '<STRING>' is given it
     is set to that string.

'display'
     Set the session environment variable 'DISPLAY' is set to VALUE.
'ttyname'
     Set the session environment variable 'GPG_TTY' is set to VALUE.
'ttytype'
     Set the session environment variable 'TERM' is set to VALUE.
'lc-ctype'
     Set the session environment variable 'LC_CTYPE' is set to VALUE.
'lc-messages'
     Set the session environment variable 'LC_MESSAGES' is set to VALUE.
'xauthority'
     Set the session environment variable 'XAUTHORITY' is set to VALUE.
'pinentry-user-data'
     Set the session environment variable 'PINENTRY_USER_DATA' is set to
     VALUE.

'include-certs'
     This option overrides the command line option '--include-certs'.  A
     VALUE of -2 includes all certificates except for the root
     certificate, -1 includes all certificates, 0 does not include any
     certificates, 1 includes only the signers certificate and all other
     positive values include up to VALUE certificates starting with the
     signer cert.

'list-mode'
     *Note gpgsm-cmd listkeys::.

'list-to-output'
     If VALUE is true the output of the list commands (*note gpgsm-cmd
     listkeys::) is written to the file descriptor set with the last
     'OUTPUT' command.  If VALUE is false the output is written via data
     lines; this is the default.

'with-validation'
     If VALUE is true for each listed certificate the validation status
     is printed.  This may result in the download of a CRL or the user
     being asked about the trustworthiness of a root certificate.  The
     default is given by a command line option (*note gpgsm-option
     --with-validation::).

'with-secret'
     If VALUE is true certificates with a corresponding private key are
     marked by the list commands.

'validation-model'
     This option overrides the command line option 'validation-model'
     for the session.  (*Note gpgsm-option --validation-model::.)

'with-key-data'
     This option globally enables the command line option
     '--with-key-data'.  (*Note gpgsm-option --with-key-data::.)

'enable-audit-log'
     If VALUE is true data to write an audit log is gathered.  (*Note
     gpgsm-cmd getauditlog::.)

'allow-pinentry-notify'
     If this option is used notifications about the launch of a Pinentry
     are passed back to the client.

'with-ephemeral-keys'
     If VALUE is true ephemeral certificates are included in the output
     of the list commands.

'no-encrypt-to'
     If this option is used all keys set by the command line option
     '--encrypt-to' are ignored.

'offline'
     If VALUE is true or VALUE is not given all network access is
     disabled for this session.  This is the same as the command line
     option '--disable-dirmngr'.


File: gnupg.info,  Node: Invoking SCDAEMON,  Next: Specify a User ID,  Prev: Invoking GPGSM,  Up: Top

6 Invoking the SCDAEMON
***********************

The 'scdaemon' is a daemon to manage smartcards.  It is usually invoked
by 'gpg-agent' and in general not used directly.

   *Note Option Index::, for an index to 'scdaemon''s commands and
options.

* Menu:

* Scdaemon Commands::      List of all commands.
* Scdaemon Options::       List of all options.
* Card applications::      Description of card applications.
* Scdaemon Configuration:: Configuration files.
* Scdaemon Examples::      Some usage examples.
* Scdaemon Protocol::      The protocol the daemon uses.


File: gnupg.info,  Node: Scdaemon Commands,  Next: Scdaemon Options,  Up: Invoking SCDAEMON

6.1 Commands
============

Commands are not distinguished from options except for the fact that
only one command is allowed.

'--version'
     Print the program version and licensing information.  Note that you
     cannot abbreviate this command.

'--help, -h'
     Print a usage message summarizing the most useful command-line
     options.  Note that you cannot abbreviate this command.

'--dump-options'
     Print a list of all available options and commands.  Note that you
     cannot abbreviate this command.

'--server'
     Run in server mode and wait for commands on the 'stdin'.  The
     default mode is to create a socket and listen for commands there.

'--multi-server'
     Run in server mode and wait for commands on the 'stdin' as well as
     on an additional Unix Domain socket.  The server command 'GETINFO'
     may be used to get the name of that extra socket.

'--daemon'
     Run the program in the background.  This option is required to
     prevent it from being accidentally running in the background.


File: gnupg.info,  Node: Scdaemon Options,  Next: Card applications,  Prev: Scdaemon Commands,  Up: Invoking SCDAEMON

6.2 Option Summary
==================

'--options FILE'
     Reads configuration from FILE instead of from the default per-user
     configuration file.  The default configuration file is named
     'scdaemon.conf' and expected in the '.gnupg' directory directly
     below the home directory of the user.

'--homedir DIR'
     Set the name of the home directory to DIR.  If this option is not
     used, the home directory defaults to '~/.gnupg'.  It is only
     recognized when given on the command line.  It also overrides any
     home directory stated through the environment variable 'GNUPGHOME'
     or (on Windows systems) by means of the Registry entry
     HKCU\SOFTWARE\GNU\GNUPG:HOMEDIR.

     On Windows systems it is possible to install GnuPG as a portable
     application.  In this case only this command line option is
     considered, all other ways to set a home directory are ignored.

     To install GnuPG as a portable application under Windows, create an
     empty file named 'gpgconf.ctl' in the same directory as the tool
     'gpgconf.exe'.  The root of the installation is then that
     directory; or, if 'gpgconf.exe' has been installed directly below a
     directory named 'bin', its parent directory.  You also need to make
     sure that the following directories exist and are writable:
     'ROOT/home' for the GnuPG home and 'ROOT/usr/local/var/cache/gnupg'
     for internal cache files.

'-v'
'--verbose'
     Outputs additional information while running.  You can increase the
     verbosity by giving several verbose commands to 'gpgsm', such as
     '-vv'.

'--debug-level LEVEL'
     Select the debug level for investigating problems.  LEVEL may be a
     numeric value or a keyword:

     'none'
          No debugging at all.  A value of less than 1 may be used
          instead of the keyword.
     'basic'
          Some basic debug messages.  A value between 1 and 2 may be
          used instead of the keyword.
     'advanced'
          More verbose debug messages.  A value between 3 and 5 may be
          used instead of the keyword.
     'expert'
          Even more detailed messages.  A value between 6 and 8 may be
          used instead of the keyword.
     'guru'
          All of the debug messages you can get.  A value greater than 8
          may be used instead of the keyword.  The creation of hash
          tracing files is only enabled if the keyword is used.

     How these messages are mapped to the actual debugging flags is not
     specified and may change with newer releases of this program.  They
     are however carefully selected to best aid in debugging.

          Note: All debugging options are subject to change and thus
          should not be used by any application program.  As the name
          says, they are only used as helpers to debug problems.

'--debug FLAGS'
     This option is only useful for debugging and the behavior may
     change at any time without notice.  FLAGS are bit encoded and may
     be given in usual C-Syntax.  The currently defined bits are:

     '0 (1)'
          command I/O
     '1 (2)'
          values of big number integers
     '2 (4)'
          low level crypto operations
     '5 (32)'
          memory allocation
     '6 (64)'
          caching
     '7 (128)'
          show memory statistics
     '9 (512)'
          write hashed data to files named 'dbgmd-000*'
     '10 (1024)'
          trace Assuan protocol.  See also option
          '--debug-assuan-log-cats'.
     '11 (2048)'
          trace APDU I/O to the card.  This may reveal sensitive data.
     '12 (4096)'
          trace some card reader related function calls.

'--debug-all'
     Same as '--debug=0xffffffff'

'--debug-wait N'
     When running in server mode, wait N seconds before entering the
     actual processing loop and print the pid.  This gives time to
     attach a debugger.

'--debug-ccid-driver'
     Enable debug output from the included CCID driver for smartcards.
     Using this option twice will also enable some tracing of the T=1
     protocol.  Note that this option may reveal sensitive data.

'--debug-disable-ticker'
     This option disables all ticker functions like checking for card
     insertions.

'--debug-allow-core-dump'
     For security reasons we won't create a core dump when the process
     aborts.  For debugging purposes it is sometimes better to allow
     core dump.  This option enables it and also changes the working
     directory to '/tmp' when running in '--server' mode.

'--debug-log-tid'
     This option appends a thread ID to the PID in the log output.

'--debug-assuan-log-cats CATS'
     Changes the active Libassuan logging categories to CATS.  The value
     for CATS is an unsigned integer given in usual C-Syntax.  A value
     of 0 switches to a default category.  If this option is not used
     the categories are taken from the environment variable
     'ASSUAN_DEBUG'.  Note that this option has only an effect if the
     Assuan debug flag has also been with the option '--debug'.  For a
     list of categories see the Libassuan manual.

'--no-detach'
     Don't detach the process from the console.  This is mainly useful
     for debugging.

'--listen-backlog N'
     Set the size of the queue for pending connections.  The default is
     64.  This option has an effect only if '--multi-server' is also
     used.

'--log-file FILE'
     Append all logging output to FILE.  This is very helpful in seeing
     what the agent actually does.  Use 'socket://' to log to socket.

'--pcsc-driver LIBRARY'
     Use LIBRARY to access the smartcard reader.  The current default is
     'libpcsclite.so'.  Instead of using this option you might also want
     to install a symbolic link to the default file name (e.g.  from
     'libpcsclite.so.1').

'--ctapi-driver LIBRARY'
     Use LIBRARY to access the smartcard reader.  The current default is
     'libtowitoko.so'.  Note that the use of this interface is
     deprecated; it may be removed in future releases.

'--disable-ccid'
     Disable the integrated support for CCID compliant readers.  This
     allows falling back to one of the other drivers even if the
     internal CCID driver can handle the reader.  Note, that CCID
     support is only available if libusb was available at build time.

'--reader-port NUMBER_OR_STRING'
     This option may be used to specify the port of the card terminal.
     A value of 0 refers to the first serial device; add 32768 to access
     USB devices.  The default is 32768 (first USB device).  PC/SC or
     CCID readers might need a string here; run the program in verbose
     mode to get a list of available readers.  The default is then the
     first reader found.

     To get a list of available CCID readers you may use this command:
            echo scd getinfo reader_list \
              | gpg-connect-agent --decode | awk '/^D/ {print $2}'

'--card-timeout N'
     If N is not 0 and no client is actively using the card, the card
     will be powered down after N seconds.  Powering down the card
     avoids a potential risk of damaging a card when used with certain
     cheap readers.  This also allows applications that are not aware of
     Scdaemon to access the card.  The disadvantage of using a card
     timeout is that accessing the card takes longer and that the user
     needs to enter the PIN again after the next power up.

     Note that with the current version of Scdaemon the card is powered
     down immediately at the next timer tick for any value of N other
     than 0.

'--enable-pinpad-varlen'
     Please specify this option when the card reader supports variable
     length input for pinpad (default is no).  For known readers (listed
     in ccid-driver.c and apdu.c), this option is not needed.  Note that
     if your card reader doesn't supports variable length input but you
     want to use it, you need to specify your pinpad request on your
     card.

'--disable-pinpad'
     Even if a card reader features a pinpad, do not try to use it.

'--deny-admin'
     This option disables the use of admin class commands for card
     applications where this is supported.  Currently we support it for
     the OpenPGP card.  This option is useful to inhibit accidental
     access to admin class command which could ultimately lock the card
     through wrong PIN numbers.  Note that GnuPG versions older than
     2.0.11 featured an '--allow-admin' option which was required to use
     such admin commands.  This option has no more effect today because
     the default is now to allow admin commands.

'--disable-application NAME'
     This option disables the use of the card application named NAME.
     This is mainly useful for debugging or if a application with lower
     priority should be used by default.

   All the long options may also be given in the configuration file
after stripping off the two leading dashes.


File: gnupg.info,  Node: Card applications,  Next: Scdaemon Configuration,  Prev: Scdaemon Options,  Up: Invoking SCDAEMON

6.3 Description of card applications
====================================

'scdaemon' supports the card applications as described below.

* Menu:

* OpenPGP Card::          The OpenPGP card application
* NKS Card::              The Telesec NetKey card application
* DINSIG Card::           The DINSIG card application
* PKCS#15 Card::          The PKCS#15 card application
* Geldkarte Card::        The Geldkarte application
* SmartCard-HSM::         The SmartCard-HSM application
* Undefined Card::        The Undefined stub application


File: gnupg.info,  Node: OpenPGP Card,  Next: NKS Card,  Up: Card applications

6.3.1 The OpenPGP card application "openpgp"
--------------------------------------------

This application is currently only used by 'gpg' but may in future also
be useful with 'gpgsm'.  Version 1 and version 2 of the card is
supported.

The specifications for these cards are available at
<http://g10code.com/docs/openpgp-card-1.0.pdf> and
<http://g10code.com/docs/openpgp-card-2.0.pdf>.


File: gnupg.info,  Node: NKS Card,  Next: DINSIG Card,  Prev: OpenPGP Card,  Up: Card applications

6.3.2 The Telesec NetKey card "nks"
-----------------------------------

This is the main application of the Telesec cards as available in
Germany.  It is a superset of the German DINSIG card.  The card is used
by 'gpgsm'.


File: gnupg.info,  Node: DINSIG Card,  Next: PKCS#15 Card,  Prev: NKS Card,  Up: Card applications

6.3.3 The DINSIG card application "dinsig"
------------------------------------------

This is an application as described in the German draft standard _DIN V
66291-1_.  It is intended to be used by cards supporting the German
signature law and its bylaws (SigG and SigV).


File: gnupg.info,  Node: PKCS#15 Card,  Next: Geldkarte Card,  Prev: DINSIG Card,  Up: Card applications

6.3.4 The PKCS#15 card application "p15"
----------------------------------------

This is common framework for smart card applications.  It is used by
'gpgsm'.


File: gnupg.info,  Node: Geldkarte Card,  Next: SmartCard-HSM,  Prev: PKCS#15 Card,  Up: Card applications

6.3.5 The Geldkarte card application "geldkarte"
------------------------------------------------

This is a simple application to display information of a German
Geldkarte.  The Geldkarte is a small amount debit card application which
comes with almost all German banking cards.


File: gnupg.info,  Node: SmartCard-HSM,  Next: Undefined Card,  Prev: Geldkarte Card,  Up: Card applications

6.3.6 The SmartCard-HSM card application "sc-hsm"
-------------------------------------------------

This application adds read-only support for keys and certificates stored
on a SmartCard-HSM (http://www.smartcard-hsm.com).

   To generate keys and store certificates you may use OpenSC
(https://github.com/OpenSC/OpenSC/wiki/SmartCardHSM) or the tools from
OpenSCDP (http://www.openscdp.org).

   The SmartCard-HSM cards requires a card reader that supports Extended
Length APDUs.


File: gnupg.info,  Node: Undefined Card,  Prev: SmartCard-HSM,  Up: Card applications

6.3.7 The Undefined card application "undefined"
------------------------------------------------

This is a stub application to allow the use of the APDU command even if
no supported application is found on the card.  This application is not
used automatically but must be explicitly requested using the SERIALNO
command.


File: gnupg.info,  Node: Scdaemon Configuration,  Next: Scdaemon Examples,  Prev: Card applications,  Up: Invoking SCDAEMON

6.4 Configuration files
=======================

There are a few configuration files to control certain aspects of
'scdaemons''s operation.  Unless noted, they are expected in the current
home directory (*note option --homedir::).

'scdaemon.conf'
     This is the standard configuration file read by 'scdaemon' on
     startup.  It may contain any valid long option; the leading two
     dashes may not be entered and the option may not be abbreviated.
     This default name may be changed on the command line (*note option
     --options::).

'scd-event'
     If this file is present and executable, it will be called on every
     card reader's status change.  An example of this script is provided
     with the distribution

'reader_N.status'
     This file is created by 'scdaemon' to let other applications now
     about reader status changes.  Its use is now deprecated in favor of
     'scd-event'.


File: gnupg.info,  Node: Scdaemon Examples,  Next: Scdaemon Protocol,  Prev: Scdaemon Configuration,  Up: Invoking SCDAEMON

6.5 Examples
============

     $ scdaemon --server -v


File: gnupg.info,  Node: Scdaemon Protocol,  Prev: Scdaemon Examples,  Up: Invoking SCDAEMON

6.6 Scdaemon's Assuan Protocol
==============================

The SC-Daemon should be started by the system to provide access to
external tokens.  Using Smartcards on a multi-user system does not make
much sense except for system services, but in this case no regular user
accounts are hosted on the machine.

   A client connects to the SC-Daemon by connecting to the socket named
'/usr/local/var/run/gnupg/scdaemon/socket', configuration information is
read from /ETC/GNUPG/SCDAEMON.CONF

   Each connection acts as one session, SC-Daemon takes care of
synchronizing access to a token between sessions.

* Menu:

* Scdaemon SERIALNO::     Return the serial number.
* Scdaemon LEARN::        Read all useful information from the card.
* Scdaemon READCERT::     Return a certificate.
* Scdaemon READKEY::      Return a public key.
* Scdaemon PKSIGN::       Signing data with a Smartcard.
* Scdaemon PKDECRYPT::    Decrypting data with a Smartcard.
* Scdaemon GETATTR::      Read an attribute's value.
* Scdaemon SETATTR::      Update an attribute's value.
* Scdaemon WRITEKEY::     Write a key to a card.
* Scdaemon GENKEY::       Generate a new key on-card.
* Scdaemon RANDOM::       Return random bytes generated on-card.
* Scdaemon PASSWD::       Change PINs.
* Scdaemon CHECKPIN::     Perform a VERIFY operation.
* Scdaemon RESTART::      Restart connection
* Scdaemon APDU::         Send a verbatim APDU to the card


File: gnupg.info,  Node: Scdaemon SERIALNO,  Next: Scdaemon LEARN,  Up: Scdaemon Protocol

6.6.1 Return the serial number
------------------------------

This command should be used to check for the presence of a card.  It is
special in that it can be used to reset the card.  Most other commands
will return an error when a card change has been detected and the use of
this function is therefore required.

   Background: We want to keep the client clear of handling card changes
between operations; i.e.  the client can assume that all operations are
done on the same card unless he call this function.

       SERIALNO

   Return the serial number of the card using a status response like:

       S SERIALNO D27600000000000000000000

   The serial number is the hex encoded value identified by the '0x5A'
tag in the GDO file (FIX=0x2F02).


File: gnupg.info,  Node: Scdaemon LEARN,  Next: Scdaemon READCERT,  Prev: Scdaemon SERIALNO,  Up: Scdaemon Protocol

6.6.2 Read all useful information from the card
-----------------------------------------------

       LEARN [--force]

   Learn all useful information of the currently inserted card.  When
used without the '--force' option, the command might do an INQUIRE like
this:

           INQUIRE KNOWNCARDP <hexstring_with_serialNumber>

   The client should just send an 'END' if the processing should go on
or a 'CANCEL' to force the function to terminate with a cancel error
message.  The response of this command is a list of status lines
formatted as this:

          S KEYPAIRINFO HEXSTRING_WITH_KEYGRIP HEXSTRING_WITH_ID

   If there is no certificate yet stored on the card a single "X" is
returned in HEXSTRING_WITH_KEYGRIP.


File: gnupg.info,  Node: Scdaemon READCERT,  Next: Scdaemon READKEY,  Prev: Scdaemon LEARN,  Up: Scdaemon Protocol

6.6.3 Return a certificate
--------------------------

      READCERT HEXIFIED_CERTID|KEYID

   This function is used to read a certificate identified by
HEXIFIED_CERTID from the card.  With OpenPGP cards the keyid 'OpenPGP.3'
may be used to read the certificate of version 2 cards.


File: gnupg.info,  Node: Scdaemon READKEY,  Next: Scdaemon PKSIGN,  Prev: Scdaemon READCERT,  Up: Scdaemon Protocol

6.6.4 Return a public key
-------------------------

     READKEY HEXIFIED_CERTID

   Return the public key for the given cert or key ID as an standard
S-Expression.


File: gnupg.info,  Node: Scdaemon PKSIGN,  Next: Scdaemon PKDECRYPT,  Prev: Scdaemon READKEY,  Up: Scdaemon Protocol

6.6.5 Signing data with a Smartcard
-----------------------------------

To sign some data the caller should use the command

      SETDATA HEXSTRING

   to tell 'scdaemon' about the data to be signed.  The data must be
given in hex notation.  The actual signing is done using the command

       PKSIGN KEYID

   where KEYID is the hexified ID of the key to be used.  The key id may
have been retrieved using the command 'LEARN'.  If another hash
algorithm than SHA-1 is used, that algorithm may be given like:

       PKSIGN --hash=ALGONAME KEYID

   With ALGONAME are one of 'sha1', 'rmd160' or 'md5'.


File: gnupg.info,  Node: Scdaemon PKDECRYPT,  Next: Scdaemon GETATTR,  Prev: Scdaemon PKSIGN,  Up: Scdaemon Protocol

6.6.6 Decrypting data with a Smartcard
--------------------------------------

To decrypt some data the caller should use the command

      SETDATA HEXSTRING

   to tell 'scdaemon' about the data to be decrypted.  The data must be
given in hex notation.  The actual decryption is then done using the
command

       PKDECRYPT KEYID

   where KEYID is the hexified ID of the key to be used.

   If the card is aware of the apdding format a status line with padding
information is send before the plaintext data.  The key for this status
line is 'PADDING' with the only defined value being 0 and meaning
padding has been removed.


File: gnupg.info,  Node: Scdaemon GETATTR,  Next: Scdaemon SETATTR,  Prev: Scdaemon PKDECRYPT,  Up: Scdaemon Protocol

6.6.7 Read an attribute's value
-------------------------------

TO BE WRITTEN.


File: gnupg.info,  Node: Scdaemon SETATTR,  Next: Scdaemon WRITEKEY,  Prev: Scdaemon GETATTR,  Up: Scdaemon Protocol

6.6.8 Update an attribute's value
---------------------------------

TO BE WRITTEN.


File: gnupg.info,  Node: Scdaemon WRITEKEY,  Next: Scdaemon GENKEY,  Prev: Scdaemon SETATTR,  Up: Scdaemon Protocol

6.6.9 Write a key to a card
---------------------------

       WRITEKEY [--force] KEYID

   This command is used to store a secret key on a smartcard.  The
allowed keyids depend on the currently selected smartcard application.
The actual keydata is requested using the inquiry 'KEYDATA' and need to
be provided without any protection.  With '--force' set an existing key
under this KEYID will get overwritten.  The key data is expected to be
the usual canonical encoded S-expression.

   A PIN will be requested in most cases.  This however depends on the
actual card application.


File: gnupg.info,  Node: Scdaemon GENKEY,  Next: Scdaemon RANDOM,  Prev: Scdaemon WRITEKEY,  Up: Scdaemon Protocol

6.6.10 Generate a new key on-card
---------------------------------

TO BE WRITTEN.


File: gnupg.info,  Node: Scdaemon RANDOM,  Next: Scdaemon PASSWD,  Prev: Scdaemon GENKEY,  Up: Scdaemon Protocol

6.6.11 Return random bytes generated on-card
--------------------------------------------

TO BE WRITTEN.


File: gnupg.info,  Node: Scdaemon PASSWD,  Next: Scdaemon CHECKPIN,  Prev: Scdaemon RANDOM,  Up: Scdaemon Protocol

6.6.12 Change PINs
------------------

        PASSWD [--reset] [--nullpin] CHVNO

   Change the PIN or reset the retry counter of the card holder
verification vector number CHVNO.  The option '--nullpin' is used to
initialize the PIN of TCOS cards (6 byte NullPIN only).


File: gnupg.info,  Node: Scdaemon CHECKPIN,  Next: Scdaemon RESTART,  Prev: Scdaemon PASSWD,  Up: Scdaemon Protocol

6.6.13 Perform a VERIFY operation
---------------------------------

       CHECKPIN IDSTR

   Perform a VERIFY operation without doing anything else.  This may be
used to initialize a the PIN cache earlier to long lasting operations.
Its use is highly application dependent:

*OpenPGP*

     Perform a simple verify operation for CHV1 and CHV2, so that
     further operations won't ask for CHV2 and it is possible to do a
     cheap check on the PIN: If there is something wrong with the PIN
     entry system, only the regular CHV will get blocked and not the
     dangerous CHV3.  IDSTR is the usual card's serial number in hex
     notation; an optional fingerprint part will get ignored.

     There is however a special mode if IDSTR is suffixed with the
     literal string '[CHV3]': In this case the Admin PIN is checked if
     and only if the retry counter is still at 3.


File: gnupg.info,  Node: Scdaemon RESTART,  Next: Scdaemon APDU,  Prev: Scdaemon CHECKPIN,  Up: Scdaemon Protocol

6.6.14 Perform a RESTART operation
----------------------------------

       RESTART

   Restart the current connection; this is a kind of warm reset.  It
deletes the context used by this connection but does not actually reset
the card.

   This is used by gpg-agent to reuse a primary pipe connection and may
be used by clients to backup from a conflict in the serial command; i.e.
to select another application.


File: gnupg.info,  Node: Scdaemon APDU,  Prev: Scdaemon RESTART,  Up: Scdaemon Protocol

6.6.15 Send a verbatim APDU to the card
---------------------------------------

       APDU [--atr] [--more] [--exlen[=N]] [HEXSTRING]

   Send an APDU to the current reader.  This command bypasses the high
level functions and sends the data directly to the card.  HEXSTRING is
expected to be a proper APDU. If HEXSTRING is not given no commands are
send to the card; However the command will implicitly check whether the
card is ready for use.

   Using the option '--atr' returns the ATR of the card as a status
message before any data like this:
          S CARD-ATR 3BFA1300FF813180450031C173C00100009000B1

   Using the option '--more' handles the card status word MORE_DATA
(61xx) and concatenate all responses to one block.

   Using the option '--exlen' the returned APDU may use extended length
up to N bytes.  If N is not given a default value is used (currently
4096).


File: gnupg.info,  Node: Specify a User ID,  Next: Trust Values,  Prev: Invoking SCDAEMON,  Up: Top

7 How to Specify a User Id
**************************

There are different ways to specify a user ID to GnuPG. Some of them are
only valid for 'gpg' others are only good for 'gpgsm'.  Here is the
entire list of ways to specify a key:

   * By key Id.  This format is deduced from the length of the string
     and its content or '0x' prefix.  The key Id of an X.509 certificate
     are the low 64 bits of its SHA-1 fingerprint.  The use of key Ids
     is just a shortcut, for all automated processing the fingerprint
     should be used.

     When using 'gpg' an exclamation mark (!)  may be appended to force
     using the specified primary or secondary key and not to try and
     calculate which primary or secondary key to use.

     The last four lines of the example give the key ID in their long
     form as internally used by the OpenPGP protocol.  You can see the
     long key ID using the option '--with-colons'.

          234567C4
          0F34E556E
          01347A56A
          0xAB123456

          234AABBCC34567C4
          0F323456784E56EAB
          01AB3FED1347A5612
          0x234AABBCC34567C4

   * By fingerprint.  This format is deduced from the length of the
     string and its content or the '0x' prefix.  Note, that only the 20
     byte version fingerprint is available with 'gpgsm' (i.e.  the SHA-1
     hash of the certificate).

     When using 'gpg' an exclamation mark (!)  may be appended to force
     using the specified primary or secondary key and not to try and
     calculate which primary or secondary key to use.

     The best way to specify a key Id is by using the fingerprint.  This
     avoids any ambiguities in case that there are duplicated key IDs.

          1234343434343434C434343434343434
          123434343434343C3434343434343734349A3434
          0E12343434343434343434EAB3484343434343434
          0xE12343434343434343434EAB3484343434343434

     'gpgsm' also accepts colons between each pair of hexadecimal digits
     because this is the de-facto standard on how to present X.509
     fingerprints.  'gpg' also allows the use of the space separated
     SHA-1 fingerprint as printed by the key listing commands.

   * By exact match on OpenPGP user ID. This is denoted by a leading
     equal sign.  It does not make sense for X.509 certificates.

          =Heinrich Heine <heinrichh@uni-duesseldorf.de>

   * By exact match on an email address.  This is indicated by enclosing
     the email address in the usual way with left and right angles.

          <heinrichh@uni-duesseldorf.de>

   * By partial match on an email address.  This is indicated by
     prefixing the search string with an '@'.  This uses a substring
     search but considers only the mail address (i.e.  inside the angle
     brackets).

          @heinrichh

   * By exact match on the subject's DN. This is indicated by a leading
     slash, directly followed by the RFC-2253 encoded DN of the subject.
     Note that you can't use the string printed by 'gpgsm --list-keys'
     because that one has been reordered and modified for better
     readability; use '--with-colons' to print the raw (but standard
     escaped) RFC-2253 string.

          /CN=Heinrich Heine,O=Poets,L=Paris,C=FR

   * By exact match on the issuer's DN. This is indicated by a leading
     hash mark, directly followed by a slash and then directly followed
     by the RFC-2253 encoded DN of the issuer.  This should return the
     Root cert of the issuer.  See note above.

          #/CN=Root Cert,O=Poets,L=Paris,C=FR

   * By exact match on serial number and issuer's DN. This is indicated
     by a hash mark, followed by the hexadecimal representation of the
     serial number, then followed by a slash and the RFC-2253 encoded DN
     of the issuer.  See note above.

          #4F03/CN=Root Cert,O=Poets,L=Paris,C=FR

   * By keygrip.  This is indicated by an ampersand followed by the 40
     hex digits of a keygrip.  'gpgsm' prints the keygrip when using the
     command '--dump-cert'.

          &D75F22C3F86E355877348498CDC92BD21010A480

   * By substring match.  This is the default mode but applications may
     want to explicitly indicate this by putting the asterisk in front.
     Match is not case sensitive.

          Heine
          *Heine

   * .  and + prefixes These prefixes are reserved for looking up mails
     anchored at the end and for a word search mode.  They are not yet
     implemented and using them is undefined.

   Please note that we have reused the hash mark identifier which was
used in old GnuPG versions to indicate the so called local-id.  It is
not anymore used and there should be no conflict when used with X.509
stuff.

   Using the RFC-2253 format of DNs has the drawback that it is not
possible to map them back to the original encoding, however we don't
have to do this because our key database stores this encoding as meta
data.


File: gnupg.info,  Node: Trust Values,  Next: Helper Tools,  Prev: Specify a User ID,  Up: Top

8 Trust Values
**************

Trust values are used to indicate ownertrust and validity of keys and
user IDs.  They are displayed with letters or strings:

-
unknown
     No ownertrust assigned / not yet calculated.

e
expired

     Trust calculation has failed; probably due to an expired key.

q
undefined, undef
     Not enough information for calculation.

n
never
     Never trust this key.

m
marginal
     Marginally trusted.

f
full
     Fully trusted.

u
ultimate
     Ultimately trusted.

r
revoked
     For validity only: the key or the user ID has been revoked.

?
err
     The program encountered an unknown trust value.


File: gnupg.info,  Node: Helper Tools,  Next: Web Key Service,  Prev: Trust Values,  Up: Top

9 Helper Tools
**************

GnuPG comes with a couple of smaller tools:

* Menu:

* watchgnupg::            Read logs from a socket.
* gpgv::                  Verify OpenPGP signatures.
* addgnupghome::          Create .gnupg home directories.
* gpgconf::               Modify .gnupg home directories.
* applygnupgdefaults::    Run gpgconf for all users.
* gpg-preset-passphrase:: Put a passphrase into the cache.
* gpg-connect-agent::     Communicate with a running agent.
* dirmngr-client::        How to use the Dirmngr client tool.
* gpgparsemail::          Parse a mail message into an annotated format
* symcryptrun::           Call a simple symmetric encryption tool.
* gpgtar::                Encrypt or sign files into an archive.


File: gnupg.info,  Node: watchgnupg,  Next: gpgv,  Up: Helper Tools

9.1 Read logs from a socket
===========================

Most of the main utilities are able to write their log files to a Unix
Domain socket if configured that way.  'watchgnupg' is a simple listener
for such a socket.  It ameliorates the output with a time stamp and
makes sure that long lines are not interspersed with log output from
other utilities.  This tool is not available for Windows.

'watchgnupg' is commonly invoked as

     watchgnupg --force $(gpgconf --list-dirs socketdir)/S.log

This starts it on the current terminal for listening on the standard
logging socket (which is either '~/.gnupg/S.log' or
'/var/run/user/UID/gnupg/S.log').

'watchgnupg' understands these options:

'--force'
     Delete an already existing socket file.

'--tcp N'
     Instead of reading from a local socket, listen for connects on TCP
     port N.

'--time-only'
     Do not print the date part of the timestamp.

'--verbose'
     Enable extra informational output.

'--version'
     Print version of the program and exit.

'--help'
     Display a brief help page and exit.


Examples
********

     $ watchgnupg --force --time-only $(gpgconf --list-dirs socketdir)/S.log

   This waits for connections on the local socket (e.g.
'/home/foo/.gnupg/S.log') and shows all log entries.  To make this work
the option 'log-file' needs to be used with all modules which logs are
to be shown.  The suggested entry for the configuration files is:

     log-file socket://

   If the default socket as given above and returned by "echo $(gpgconf
-list-dirs socketdir)/S.log" is not desired an arbitrary socket name can
be specified, for example 'socket:///home/foo/bar/mysocket'.  For
debugging purposes it is also possible to do remote logging.  Take care
if you use this feature because the information is send in the clear
over the network.  Use this syntax in the conf files:

     log-file tcp://192.168.1.1:4711

   You may use any port and not just 4711 as shown above; only IP
addresses are supported (v4 and v6) and no host names.  You need to
start 'watchgnupg' with the 'tcp' option.  Note that under Windows the
registry entry HKCU\SOFTWARE\GNU\GNUPG:DEFAULTLOGFILE can be used to
change the default log output from 'stderr' to whatever is given by that
entry.  However the only useful entry is a TCP name for remote
debugging.


File: gnupg.info,  Node: gpgv,  Next: addgnupghome,  Prev: watchgnupg,  Up: Helper Tools

9.2 Verify OpenPGP signatures
=============================

'gpgv' is an OpenPGP signature verification tool.

   This program is actually a stripped-down version of 'gpg' which is
only able to check signatures.  It is somewhat smaller than the
fully-blown 'gpg' and uses a different (and simpler) way to check that
the public keys used to make the signature are valid.  There are no
configuration files and only a few options are implemented.

   'gpgv' assumes that all keys in the keyring are trustworthy.  That
does also mean that it does not check for expired or revoked keys.

   If no '--keyring' option is given, 'gpgv' looks for a "default"
keyring named 'trustedkeys.kbx' (preferred) or 'trustedkeys.gpg' in the
home directory of GnuPG, either the default home directory or the one
set by the '--homedir' option or the 'GNUPGHOME' environment variable.
If any '--keyring' option is used, 'gpgv' will not look for the default
keyring.  The '--keyring' option may be used multiple times and all
specified keyrings will be used together.


   'gpgv' recognizes these options:

'--verbose'
'-v'
     Gives more information during processing.  If used twice, the input
     data is listed in detail.

'--quiet'
'-q'
     Try to be as quiet as possible.

'--keyring FILE'
     Add FILE to the list of keyrings.  If FILE begins with a tilde and
     a slash, these are replaced by the HOME directory.  If the filename
     does not contain a slash, it is assumed to be in the home-directory
     ("~/.gnupg" if -homedir is not used).

'--output FILE'
'-o FILE'
     Write output to FILE; to write to stdout use '-'.  This option can
     be used to get the signed text from a cleartext or binary
     signature; it also works for detached signatures, but in that case
     this option is in general not useful.  Note that an existing file
     will be overwritten.

'--status-fd N'
     Write special status strings to the file descriptor N.  See the
     file DETAILS in the documentation for a listing of them.

'--logger-fd n'
     Write log output to file descriptor 'n' and not to stderr.

'--log-file file'
     Same as '--logger-fd', except the logger data is written to file
     'file'.  Use 'socket://' to log to socket.

'--ignore-time-conflict'
     GnuPG normally checks that the timestamps associated with keys and
     signatures have plausible values.  However, sometimes a signature
     seems to be older than the key due to clock problems.  This option
     turns these checks into warnings.

'--homedir DIR'
     Set the name of the home directory to DIR.  If this option is not
     used, the home directory defaults to '~/.gnupg'.  It is only
     recognized when given on the command line.  It also overrides any
     home directory stated through the environment variable 'GNUPGHOME'
     or (on Windows systems) by means of the Registry entry
     HKCU\SOFTWARE\GNU\GNUPG:HOMEDIR.

     On Windows systems it is possible to install GnuPG as a portable
     application.  In this case only this command line option is
     considered, all other ways to set a home directory are ignored.

     To install GnuPG as a portable application under Windows, create an
     empty file named 'gpgconf.ctl' in the same directory as the tool
     'gpgconf.exe'.  The root of the installation is then that
     directory; or, if 'gpgconf.exe' has been installed directly below a
     directory named 'bin', its parent directory.  You also need to make
     sure that the following directories exist and are writable:
     'ROOT/home' for the GnuPG home and 'ROOT/usr/local/var/cache/gnupg'
     for internal cache files.

'--weak-digest name'
     Treat the specified digest algorithm as weak.  Signatures made over
     weak digests algorithms are normally rejected.  This option can be
     supplied multiple times if multiple algorithms should be considered
     weak.  MD5 is always considered weak, and does not need to be
     listed explicitly.

'--enable-special-filenames'
     This option enables a mode in which filenames of the form '-&n',
     where n is a non-negative decimal number, refer to the file
     descriptor n and not to a file with that name.

   The program returns 0 if everything is fine, 1 if at least one
signature was bad, and other error codes for fatal errors.

9.2.1 Examples
--------------

gpgv 'pgpfile'
gpgv 'sigfile' ['datafile']
     Verify the signature of the file.  The second form is used for
     detached signatures, where 'sigfile' is the detached signature
     (either ASCII-armored or binary) and 'datafile' contains the signed
     data; if 'datafile' is "-" the signed data is expected on 'stdin';
     if 'datafile' is not given the name of the file holding the signed
     data is constructed by cutting off the extension (".asc", ".sig" or
     ".sign") from 'sigfile'.

9.2.2 Environment
-----------------

HOME
     Used to locate the default home directory.

GNUPGHOME
     If set directory used instead of "~/.gnupg".

9.2.3 FILES
-----------

~/.gnupg/trustedkeys.gpg
     The default keyring with the allowed keys.

   'gpg'(1)


File: gnupg.info,  Node: addgnupghome,  Next: gpgconf,  Prev: gpgv,  Up: Helper Tools

9.3 Create .gnupg home directories
==================================

If GnuPG is installed on a system with existing user accounts, it is
sometimes required to populate the GnuPG home directory with existing
files.  Especially a 'trustlist.txt' and a keybox with some initial
certificates are often desired.  This script helps to do this by copying
all files from '/etc/skel/.gnupg' to the home directories of the
accounts given on the command line.  It takes care not to overwrite
existing GnuPG home directories.

'addgnupghome' is invoked by root as:

     addgnupghome account1 account2 ... accountn


File: gnupg.info,  Node: gpgconf,  Next: applygnupgdefaults,  Prev: addgnupghome,  Up: Helper Tools

9.4 Modify .gnupg home directories
==================================

The 'gpgconf' is a utility to automatically and reasonable safely query
and modify configuration files in the '.gnupg' home directory.  It is
designed not to be invoked manually by the user, but automatically by
graphical user interfaces (GUI).(1)

   'gpgconf' provides access to the configuration of one or more
components of the GnuPG system.  These components correspond more or
less to the programs that exist in the GnuPG framework, like GPG, GPGSM,
DirMngr, etc.  But this is not a strict one-to-one relationship.  Not
all configuration options are available through 'gpgconf'.  'gpgconf'
provides a generic and abstract method to access the most important
configuration options that can feasibly be controlled via such a
mechanism.

   'gpgconf' can be used to gather and change the options available in
each component, and can also provide their default values.  'gpgconf'
will give detailed type information that can be used to restrict the
user's input without making an attempt to commit the changes.

   'gpgconf' provides the backend of a configuration editor.  The
configuration editor would usually be a graphical user interface program
that displays the current options, their default values, and allows the
user to make changes to the options.  These changes can then be made
active with 'gpgconf' again.  Such a program that uses 'gpgconf' in this
way will be called GUI throughout this section.

* Menu:

* Invoking gpgconf::       List of all commands and options.
* Format conventions::     Formatting conventions relevant for all commands.
* Listing components::     List all gpgconf components.
* Checking programs::      Check all programs known to gpgconf.
* Listing options::        List all options of a component.
* Changing options::       Changing options of a component.
* Listing global options:: List all global options.
* Querying versions::      Get and compare software versions.
* Files used by gpgconf::  What files are used by gpgconf.

   ---------- Footnotes ----------

   (1) Please note that currently no locking is done, so concurrent
access should be avoided.  There are some precautions to avoid
corruption with concurrent usage, but results may be inconsistent and
some changes may get lost.  The stateless design makes it difficult to
provide more guarantees.


File: gnupg.info,  Node: Invoking gpgconf,  Next: Format conventions,  Up: gpgconf

9.4.1 Invoking gpgconf
----------------------

One of the following commands must be given:

'--list-components'
     List all components.  This is the default command used if none is
     specified.

'--check-programs'
     List all available backend programs and test whether they are
     runnable.

'--list-options COMPONENT'
     List all options of the component COMPONENT.

'--change-options COMPONENT'
     Change the options of the component COMPONENT.

'--check-options COMPONENT'
     Check the options for the component COMPONENT.

'--apply-profile FILE'
     Apply the configuration settings listed in FILE to the
     configuration files.  If FILE has no suffix and no slashes the
     command first tries to read a file with the suffix '.prf' from the
     data directory ('gpgconf --list-dirs datadir') before it reads the
     file verbatim.  A profile is divided into sections using the
     bracketed component name.  Each section then lists the option which
     shall go into the respective configuration file.

'--apply-defaults'
     Update all configuration files with values taken from the global
     configuration file (usually '/etc/gnupg/gpgconf.conf').

'--list-dirs [NAMES]'
     Lists the directories used by 'gpgconf'.  One directory is listed
     per line, and each line consists of a colon-separated list where
     the first field names the directory type (for example 'sysconfdir')
     and the second field contains the percent-escaped directory.
     Although they are not directories, the socket file names used by
     'gpg-agent' and 'dirmngr' are printed as well.  Note that the
     socket file names and the 'homedir' lines are the default names and
     they may be overridden by command line switches.  If NAMES are
     given only the directories or file names specified by the list
     names are printed without any escaping.

'--list-config [FILENAME]'
     List the global configuration file in a colon separated format.  If
     FILENAME is given, check that file instead.

'--check-config [FILENAME]'
     Run a syntax check on the global configuration file.  If FILENAME
     is given, check that file instead.

'--query-swdb PACKAGE_NAME [VERSION_STRING]'
     Returns the current version for PACKAGE_NAME and if VERSION_STRING
     is given also an indicator on whether an update is available.  The
     actual file with the software version is automatically downloaded
     and checked by 'dirmngr'.  'dirmngr' uses a thresholds to avoid
     download the file too often and it does this by default only if it
     can be done via Tor.  To force an update of that file this command
     can be used:

                 gpg-connect-agent --dirmngr 'loadswdb --force' /bye

'--reload [COMPONENT]'
     Reload all or the given component.  This is basically the same as
     sending a SIGHUP to the component.  Components which don't support
     reloading are ignored.  Without COMPONENT or by using "all" for
     COMPONENT all components which are daemons are reloaded.

'--launch [COMPONENT]'
     If the COMPONENT is not already running, start it.  'component'
     must be a daemon.  This is in general not required because the
     system starts these daemons as needed.  However, external software
     making direct use of 'gpg-agent' or 'dirmngr' may use this command
     to ensure that they are started.  Using "all" for COMPONENT
     launches all components which are daemons.

'--kill [COMPONENT]'
     Kill the given component that runs as a daemon, including
     'gpg-agent', 'dirmngr', and 'scdaemon'.  A 'component' which does
     not run as a daemon will be ignored.  Using "all" for COMPONENT
     kills all components running as daemons.  Note that as of now
     reload and kill have the same effect for 'scdaemon'.

'--create-socketdir'
     Create a directory for sockets below /run/user or /var/run/user.
     This is command is only required if a non default home directory is
     used and the /run based sockets shall be used.  For the default
     home directory GnUPG creates a directory on the fly.

'--remove-socketdir'
     Remove a directory created with command '--create-socketdir'.

   The following options may be used:

'-o FILE'
'--output FILE'
     Write output to FILE.  Default is to write to stdout.

'-v'
'--verbose'
     Outputs additional information while running.  Specifically, this
     extends numerical field values by human-readable descriptions.

'-q'
'--quiet'
     Try to be as quiet as possible.

'--homedir DIR'
     Set the name of the home directory to DIR.  If this option is not
     used, the home directory defaults to '~/.gnupg'.  It is only
     recognized when given on the command line.  It also overrides any
     home directory stated through the environment variable 'GNUPGHOME'
     or (on Windows systems) by means of the Registry entry
     HKCU\SOFTWARE\GNU\GNUPG:HOMEDIR.

     On Windows systems it is possible to install GnuPG as a portable
     application.  In this case only this command line option is
     considered, all other ways to set a home directory are ignored.

     To install GnuPG as a portable application under Windows, create an
     empty file named 'gpgconf.ctl' in the same directory as the tool
     'gpgconf.exe'.  The root of the installation is then that
     directory; or, if 'gpgconf.exe' has been installed directly below a
     directory named 'bin', its parent directory.  You also need to make
     sure that the following directories exist and are writable:
     'ROOT/home' for the GnuPG home and 'ROOT/usr/local/var/cache/gnupg'
     for internal cache files.

'-n'
'--dry-run'
     Do not actually change anything.  This is currently only
     implemented for '--change-options' and can be used for testing
     purposes.

'-r'
'--runtime'
     Only used together with '--change-options'.  If one of the modified
     options can be changed in a running daemon process, signal the
     running daemon to ask it to reparse its configuration file after
     changing.

     This means that the changes will take effect at run-time, as far as
     this is possible.  Otherwise, they will take effect at the next
     start of the respective backend programs.

'--status-fd N'
     Write special status strings to the file descriptor N.  This
     program returns the status messages SUCCESS or FAILURE which are
     helpful when the caller uses a double fork approach and can't
     easily get the return code of the process.


File: gnupg.info,  Node: Format conventions,  Next: Listing components,  Prev: Invoking gpgconf,  Up: gpgconf

9.4.2 Format conventions
------------------------

Some lines in the output of 'gpgconf' contain a list of colon-separated
fields.  The following conventions apply:

   * The GUI program is required to strip off trailing newline and/or
     carriage return characters from the output.

   * 'gpgconf' will never leave out fields.  If a certain version
     provides a certain field, this field will always be present in all
     'gpgconf' versions from that time on.

   * Future versions of 'gpgconf' might append fields to the list.  New
     fields will always be separated from the previously last field by a
     colon separator.  The GUI should be prepared to parse the last
     field it knows about up until a colon or end of line.

   * Not all fields are defined under all conditions.  You are required
     to ignore the content of undefined fields.

   There are several standard types for the content of a field:

verbatim
     Some fields contain strings that are not escaped in any way.  Such
     fields are described to be used _verbatim_.  These fields will
     never contain a colon character (for obvious reasons).  No
     de-escaping or other formatting is required to use the field
     content.  This is for easy parsing of the output, when it is known
     that the content can never contain any special characters.

percent-escaped
     Some fields contain strings that are described to be
     _percent-escaped_.  Such strings need to be de-escaped before their
     content can be presented to the user.  A percent-escaped string is
     de-escaped by replacing all occurrences of '%XY' by the byte that
     has the hexadecimal value 'XY'.  'X' and 'Y' are from the set
     '0-9a-f'.

localized
     Some fields contain strings that are described to be _localized_.
     Such strings are translated to the active language and formatted in
     the active character set.

unsigned number
     Some fields contain an _unsigned number_.  This number will always
     fit into a 32-bit unsigned integer variable.  The number may be
     followed by a space, followed by a human readable description of
     that value (if the verbose option is used).  You should ignore
     everything in the field that follows the number.

signed number
     Some fields contain a _signed number_.  This number will always fit
     into a 32-bit signed integer variable.  The number may be followed
     by a space, followed by a human readable description of that value
     (if the verbose option is used).  You should ignore everything in
     the field that follows the number.

boolean value
     Some fields contain a _boolean value_.  This is a number with
     either the value 0 or 1.  The number may be followed by a space,
     followed by a human readable description of that value (if the
     verbose option is used).  You should ignore everything in the field
     that follows the number; checking just the first character is
     sufficient in this case.

option
     Some fields contain an _option_ argument.  The format of an option
     argument depends on the type of the option and on some flags:

     no argument
          The simplest case is that the option does not take an argument
          at all (TYPE '0').  Then the option argument is an unsigned
          number that specifies how often the option occurs.  If the
          'list' flag is not set, then the only valid number is '1'.
          Options that do not take an argument never have the 'default'
          or 'optional arg' flag set.

     number
          If the option takes a number argument (ALT-TYPE is '2' or
          '3'), and it can only occur once ('list' flag is not set),
          then the option argument is either empty (only allowed if the
          argument is optional), or it is a number.  A number is a
          string that begins with an optional minus character, followed
          by one or more digits.  The number must fit into an integer
          variable (unsigned or signed, depending on ALT-TYPE).

     number list
          If the option takes a number argument and it can occur more
          than once, then the option argument is either empty, or it is
          a comma-separated list of numbers as described above.

     string
          If the option takes a string argument (ALT-TYPE is 1), and it
          can only occur once ('list' flag is not set) then the option
          argument is either empty (only allowed if the argument is
          optional), or it starts with a double quote character ('"')
          followed by a percent-escaped string that is the argument
          value.  Note that there is only a leading double quote
          character, no trailing one.  The double quote character is
          only needed to be able to differentiate between no value and
          the empty string as value.

     string list
          If the option takes a string argument and it can occur more
          than once, then the option argument is either empty, or it is
          a comma-separated list of string arguments as described above.

   The active language and character set are currently determined from
the locale environment of the 'gpgconf' program.


File: gnupg.info,  Node: Listing components,  Next: Checking programs,  Prev: Format conventions,  Up: gpgconf

9.4.3 Listing components
------------------------

The command '--list-components' will list all components that can be
configured with 'gpgconf'.  Usually, one component will correspond to
one GnuPG-related program and contain the options of that program's
configuration file that can be modified using 'gpgconf'.  However, this
is not necessarily the case.  A component might also be a group of
selected options from several programs, or contain entirely virtual
options that have a special effect rather than changing exactly one
option in one configuration file.

   A component is a set of configuration options that semantically
belong together.  Furthermore, several changes to a component can be
made in an atomic way with a single operation.  The GUI could for
example provide a menu with one entry for each component, or a window
with one tabulator sheet per component.

   The command '--list-components' lists all available components, one
per line.  The format of each line is:

   'NAME:DESCRIPTION:PGMNAME:'

NAME
     This field contains a name tag of the component.  The name tag is
     used to specify the component in all communication with 'gpgconf'.
     The name tag is to be used _verbatim_.  It is thus not in any
     escaped format.

DESCRIPTION
     The _string_ in this field contains a human-readable description of
     the component.  It can be displayed to the user of the GUI for
     informational purposes.  It is _percent-escaped_ and _localized_.

PGMNAME
     The _string_ in this field contains the absolute name of the
     program's file.  It can be used to unambiguously invoke that
     program.  It is _percent-escaped_.

   Example:
     $ gpgconf --list-components
     gpg:GPG for OpenPGP:/usr/local/bin/gpg2:
     gpg-agent:GPG Agent:/usr/local/bin/gpg-agent:
     scdaemon:Smartcard Daemon:/usr/local/bin/scdaemon:
     gpgsm:GPG for S/MIME:/usr/local/bin/gpgsm:
     dirmngr:Directory Manager:/usr/local/bin/dirmngr:


File: gnupg.info,  Node: Checking programs,  Next: Listing options,  Prev: Listing components,  Up: gpgconf

9.4.4 Checking programs
-----------------------

The command '--check-programs' is similar to '--list-components' but
works on backend programs and not on components.  It runs each program
to test whether it is installed and runnable.  This also includes a
syntax check of all config file options of the program.

   The command '--check-programs' lists all available programs, one per
line.  The format of each line is:

   'NAME:DESCRIPTION:PGMNAME:AVAIL:OKAY:CFGFILE:LINE:ERROR:'

NAME
     This field contains a name tag of the program which is identical to
     the name of the component.  The name tag is to be used _verbatim_.
     It is thus not in any escaped format.  This field may be empty to
     indicate a continuation of error descriptions for the last name.
     The description and pgmname fields are then also empty.

DESCRIPTION
     The _string_ in this field contains a human-readable description of
     the component.  It can be displayed to the user of the GUI for
     informational purposes.  It is _percent-escaped_ and _localized_.

PGMNAME
     The _string_ in this field contains the absolute name of the
     program's file.  It can be used to unambiguously invoke that
     program.  It is _percent-escaped_.

AVAIL
     The _boolean value_ in this field indicates whether the program is
     installed and runnable.

OKAY
     The _boolean value_ in this field indicates whether the program's
     config file is syntactically okay.

CFGFILE
     If an error occurred in the configuration file (as indicated by a
     false value in the field 'okay'), this field has the name of the
     failing configuration file.  It is _percent-escaped_.

LINE
     If an error occurred in the configuration file, this field has the
     line number of the failing statement in the configuration file.  It
     is an _unsigned number_.

ERROR
     If an error occurred in the configuration file, this field has the
     error text of the failing statement in the configuration file.  It
     is _percent-escaped_ and _localized_.

In the following example the 'dirmngr' is not runnable and the
configuration file of 'scdaemon' is not okay.

     $ gpgconf --check-programs
     gpg:GPG for OpenPGP:/usr/local/bin/gpg2:1:1:
     gpg-agent:GPG Agent:/usr/local/bin/gpg-agent:1:1:
     scdaemon:Smartcard Daemon:/usr/local/bin/scdaemon:1:0:
     gpgsm:GPG for S/MIME:/usr/local/bin/gpgsm:1:1:
     dirmngr:Directory Manager:/usr/local/bin/dirmngr:0:0:

The command '--check-options COMPONENT' will verify the configuration
file in the same manner as '--check-programs', but only for the
component COMPONENT.


File: gnupg.info,  Node: Listing options,  Next: Changing options,  Prev: Checking programs,  Up: gpgconf

9.4.5 Listing options
---------------------

Every component contains one or more options.  Options may be gathered
into option groups to allow the GUI to give visual hints to the user
about which options are related.

   The command '--list-options COMPONENT' lists all options (and the
groups they belong to) in the component COMPONENT, one per line.
COMPONENT must be the string in the field NAME in the output of the
'--list-components' command.

   There is one line for each option and each group.  First come all
options that are not in any group.  Then comes a line describing a
group.  Then come all options that belong into each group.  Then comes
the next group and so on.  There does not need to be any group (and in
this case the output will stop after the last non-grouped option).

   The format of each line is:

   'NAME:FLAGS:LEVEL:DESCRIPTION:TYPE:ALT-TYPE:ARGNAME:DEFAULT:ARGDEF:VALUE'

NAME
     This field contains a name tag for the group or option.  The name
     tag is used to specify the group or option in all communication
     with 'gpgconf'.  The name tag is to be used _verbatim_.  It is thus
     not in any escaped format.

FLAGS
     The flags field contains an _unsigned number_.  Its value is the
     OR-wise combination of the following flag values:

     'group (1)'
          If this flag is set, this is a line describing a group and not
          an option.

     The following flag values are only defined for options (that is, if
     the 'group' flag is not used).

     'optional arg (2)'
          If this flag is set, the argument is optional.  This is never
          set for TYPE '0' (none) options.

     'list (4)'
          If this flag is set, the option can be given multiple times.

     'runtime (8)'
          If this flag is set, the option can be changed at runtime.

     'default (16)'
          If this flag is set, a default value is available.

     'default desc (32)'
          If this flag is set, a (runtime) default is available.  This
          and the 'default' flag are mutually exclusive.

     'no arg desc (64)'
          If this flag is set, and the 'optional arg' flag is set, then
          the option has a special meaning if no argument is given.

     'no change (128)'
          If this flag is set, 'gpgconf' ignores requests to change the
          value.  GUI frontends should grey out this option.  Note, that
          manual changes of the configuration files are still possible.

LEVEL
     This field is defined for options and for groups.  It contains an
     _unsigned number_ that specifies the expert level under which this
     group or option should be displayed.  The following expert levels
     are defined for options (they have analogous meaning for groups):

     'basic (0)'
          This option should always be offered to the user.

     'advanced (1)'
          This option may be offered to advanced users.

     'expert (2)'
          This option should only be offered to expert users.

     'invisible (3)'
          This option should normally never be displayed, not even to
          expert users.

     'internal (4)'
          This option is for internal use only.  Ignore it.

     The level of a group will always be the lowest level of all options
     it contains.

DESCRIPTION
     This field is defined for options and groups.  The _string_ in this
     field contains a human-readable description of the option or group.
     It can be displayed to the user of the GUI for informational
     purposes.  It is _percent-escaped_ and _localized_.

TYPE
     This field is only defined for options.  It contains an _unsigned
     number_ that specifies the type of the option's argument, if any.
     The following types are defined:

     Basic types:

     'none (0)'
          No argument allowed.

     'string (1)'
          An _unformatted string_.

     'int32 (2)'
          A _signed number_.

     'uint32 (3)'
          An _unsigned number_.

     Complex types:

     'pathname (32)'
          A _string_ that describes the pathname of a file.  The file
          does not necessarily need to exist.

     'ldap server (33)'
          A _string_ that describes an LDAP server in the format:

          'HOSTNAME:PORT:USERNAME:PASSWORD:BASE_DN'

     'key fingerprint (34)'
          A _string_ with a 40 digit fingerprint specifying a
          certificate.

     'pub key (35)'
          A _string_ that describes a certificate by user ID, key ID or
          fingerprint.

     'sec key (36)'
          A _string_ that describes a certificate with a key by user ID,
          key ID or fingerprint.

     'alias list (37)'
          A _string_ that describes an alias list, like the one used
          with gpg's group option.  The list consists of a key, an equal
          sign and space separated values.

     More types will be added in the future.  Please see the ALT-TYPE
     field for information on how to cope with unknown types.

ALT-TYPE
     This field is identical to TYPE, except that only the types '0' to
     '31' are allowed.  The GUI is expected to present the user the
     option in the format specified by TYPE.  But if the argument type
     TYPE is not supported by the GUI, it can still display the option
     in the more generic basic type ALT-TYPE.  The GUI must support all
     the defined basic types to be able to display all options.  More
     basic types may be added in future versions.  If the GUI encounters
     a basic type it doesn't support, it should report an error and
     abort the operation.

ARGNAME
     This field is only defined for options with an argument type TYPE
     that is not '0'.  In this case it may contain a _percent-escaped_
     and _localized string_ that gives a short name for the argument.
     The field may also be empty, though, in which case a short name is
     not known.

DEFAULT
     This field is defined only for options for which the 'default' or
     'default desc' flag is set.  If the 'default' flag is set, its
     format is that of an _option argument_ (*note Format conventions::,
     for details).  If the default value is empty, then no default is
     known.  Otherwise, the value specifies the default value for this
     option.  If the 'default desc' flag is set, the field is either
     empty or contains a description of the effect if the option is not
     given.

ARGDEF
     This field is defined only for options for which the 'optional arg'
     flag is set.  If the 'no arg desc' flag is not set, its format is
     that of an _option argument_ (*note Format conventions::, for
     details).  If the default value is empty, then no default is known.
     Otherwise, the value specifies the default argument for this
     option.  If the 'no arg desc' flag is set, the field is either
     empty or contains a description of the effect of this option if no
     argument is given.

VALUE
     This field is defined only for options.  Its format is that of an
     _option argument_.  If it is empty, then the option is not
     explicitly set in the current configuration, and the default
     applies (if any).  Otherwise, it contains the current value of the
     option.  Note that this field is also meaningful if the option
     itself does not take a real argument (in this case, it contains the
     number of times the option appears).


File: gnupg.info,  Node: Changing options,  Next: Listing global options,  Prev: Listing options,  Up: gpgconf

9.4.6 Changing options
----------------------

The command '--change-options COMPONENT' will attempt to change the
options of the component COMPONENT to the specified values.  COMPONENT
must be the string in the field NAME in the output of the
'--list-components' command.  You have to provide the options that shall
be changed in the following format on standard input:

   'NAME:FLAGS:NEW-VALUE'

NAME
     This is the name of the option to change.  NAME must be the string
     in the field NAME in the output of the '--list-options' command.

FLAGS
     The flags field contains an _unsigned number_.  Its value is the
     OR-wise combination of the following flag values:

     'default (16)'
          If this flag is set, the option is deleted and the default
          value is used instead (if applicable).

NEW-VALUE
     The new value for the option.  This field is only defined if the
     'default' flag is not set.  The format is that of an _option
     argument_.  If it is empty (or the field is omitted), the default
     argument is used (only allowed if the argument is optional for this
     option).  Otherwise, the option will be set to the specified value.

The output of the command is the same as that of '--check-options' for
the modified configuration file.

   Examples:

   To set the force option, which is of basic type 'none (0)':

     $ echo 'force:0:1' | gpgconf --change-options dirmngr

   To delete the force option:

     $ echo 'force:16:' | gpgconf --change-options dirmngr

   The '--runtime' option can influence when the changes take effect.


File: gnupg.info,  Node: Listing global options,  Next: Querying versions,  Prev: Changing options,  Up: gpgconf

9.4.7 Listing global options
----------------------------

Sometimes it is useful for applications to look at the global options
file 'gpgconf.conf'.  The colon separated listing format is record
oriented and uses the first field to identify the record type:

'k'
     This describes a key record to start the definition of a new
     ruleset for a user/group.  The format of a key record is:

     'k:USER:GROUP:'

     USER
          This is the user field of the key.  It is percent escaped.
          See the definition of the gpgconf.conf format for details.

     GROUP
          This is the group field of the key.  It is percent escaped.

'r'
     This describes a rule record.  All rule records up to the next key
     record make up a rule set for that key.  The format of a rule
     record is:

     'r:::COMPONENT:OPTION:FLAG:VALUE:'

     COMPONENT
          This is the component part of a rule.  It is a plain string.

     OPTION
          This is the option part of a rule.  It is a plain string.

     FLAG
          This is the flags part of a rule.  There may be only one flag
          per rule but by using the same component and option, several
          flags may be assigned to an option.  It is a plain string.

     VALUE
          This is the optional value for the option.  It is a percent
          escaped string with a single quotation mark to indicate a
          string.  The quotation mark is only required to distinguish
          between no value specified and an empty string.

Unknown record types should be ignored.  Note that there is
intentionally no feature to change the global option file through
'gpgconf'.


File: gnupg.info,  Node: Querying versions,  Next: Files used by gpgconf,  Prev: Listing global options,  Up: gpgconf

9.4.8 Get and compare software versions.
----------------------------------------

The GnuPG Project operates a server to query the current versions of
software packages related to GnuPG. 'gpgconf' can be used to access this
online database.  To allow for offline operations, this feature works by
having 'dirmngr' download a file from 'https://versions.gnupg.org',
checking the signature of that file and storing the file in the GnuPG
home directory.  If 'gpgconf' is used and 'dirmngr' is running, it may
ask 'dirmngr' to refresh that file before itself uses the file.

   The command '--query-swdb' returns information for the given package
in a colon delimited format:

NAME
     This is the name of the package as requested.  Note that "gnupg" is
     a special name which is replaced by the actual package implementing
     this version of GnuPG. For this name it is also not required to
     specify a version because 'gpgconf' takes its own version in this
     case.

IVERSION
     The currently installed version or an empty string.  The value is
     taken from the command line argument but may be provided by gpg if
     not given.

STATUS
     The status of the software package according to this table:
     '-'
          No information available.  This is either because no current
          version has been specified or due to an error.
     '?'
          The given name is not known in the online database.
     'u'
          An update of the software is available.
     'c'
          The installed version of the software is current.
     'n'
          The installed version is already newer than the released
          version.

URGENCY
     If the value (the empty string should be considered as zero) is
     greater than zero an important update is available.

ERROR
     This returns an 'gpg-error' error code to distinguish between
     various failure modes.

FILEDATE
     This gives the date of the file with the version numbers in
     standard ISO format ('yyyymmddThhmmss').  The date has been
     extracted by 'dirmngr' from the signature of the file.

VERIFIED
     This gives the date in ISO format the file was downloaded.  This
     value can be used to evaluate the freshness of the information.

VERSION
     This returns the version string for the requested software from the
     file.

RELDATE
     This returns the release date in ISO format.

SIZE
     This returns the size of the package as decimal number of bytes.

HASH
     This returns a hexified SHA-2 hash of the package.

More fields may be added in future to the output.


File: gnupg.info,  Node: Files used by gpgconf,  Prev: Querying versions,  Up: gpgconf

9.4.9 Files used by gpgconf
---------------------------

'/etc/gnupg/gpgconf.conf'
     If this file exists, it is processed as a global configuration
     file.  A commented example can be found in the 'examples' directory
     of the distribution.

'GNUPGHOME/swdb.lst'
     A file with current software versions.  'dirmngr' creates this file
     on demand from an online resource.


File: gnupg.info,  Node: applygnupgdefaults,  Next: gpg-preset-passphrase,  Prev: gpgconf,  Up: Helper Tools

9.5 Run gpgconf for all users
=============================

This script is a wrapper around 'gpgconf' to run it with the command
'--apply-defaults' for all real users with an existing GnuPG home
directory.  Admins might want to use this script to update he GnuPG
configuration files for all users after '/etc/gnupg/gpgconf.conf' has
been changed.  This allows enforcing certain policies for all users.
Note, that this is not a bulletproof way to force a user to use certain
options.  A user may always directly edit the configuration files and
bypass gpgconf.

'applygnupgdefaults' is invoked by root as:

     applygnupgdefaults


File: gnupg.info,  Node: gpg-preset-passphrase,  Next: gpg-connect-agent,  Prev: applygnupgdefaults,  Up: Helper Tools

9.6 Put a passphrase into the cache
===================================

The 'gpg-preset-passphrase' is a utility to seed the internal cache of a
running 'gpg-agent' with passphrases.  It is mainly useful for
unattended machines, where the usual 'pinentry' tool may not be used and
the passphrases for the to be used keys are given at machine startup.

   This program works with GnuPG 2 and later.  GnuPG 1.x is not
supported.

   Passphrases set with this utility don't expire unless the '--forget'
option is used to explicitly clear them from the cache -- or 'gpg-agent'
is either restarted or reloaded (by sending a SIGHUP to it).  Note that
the maximum cache time as set with '--max-cache-ttl' is still honored.
It is necessary to allow this passphrase presetting by starting
'gpg-agent' with the '--allow-preset-passphrase'.

* Menu:

* Invoking gpg-preset-passphrase::   List of all commands and options.


File: gnupg.info,  Node: Invoking gpg-preset-passphrase,  Up: gpg-preset-passphrase

9.6.1 List of all commands and options
--------------------------------------

'gpg-preset-passphrase' is invoked this way:

     gpg-preset-passphrase [options] [command] CACHEID

   CACHEID is either a 40 character keygrip of hexadecimal characters
identifying the key for which the passphrase should be set or cleared.
The keygrip is listed along with the key when running the command:
'gpgsm --with-keygrip --list-secret-keys'.  Alternatively an arbitrary
string may be used to identify a passphrase; it is suggested that such a
string is prefixed with the name of the application (e.g 'foo:12346').
Scripts should always use the option '--with-colons', which provides the
keygrip in a "grp" line (cf.  'doc/DETAILS')/

One of the following command options must be given:

'--preset'
     Preset a passphrase.  This is what you usually will use.
     'gpg-preset-passphrase' will then read the passphrase from 'stdin'.

'--forget'
     Flush the passphrase for the given cache ID from the cache.

The following additional options may be used:

'-v'
'--verbose'
     Output additional information while running.

'-P STRING'
'--passphrase STRING'
     Instead of reading the passphrase from 'stdin', use the supplied
     STRING as passphrase.  Note that this makes the passphrase visible
     for other users.


File: gnupg.info,  Node: gpg-connect-agent,  Next: dirmngr-client,  Prev: gpg-preset-passphrase,  Up: Helper Tools

9.7 Communicate with a running agent
====================================

The 'gpg-connect-agent' is a utility to communicate with a running
'gpg-agent'.  It is useful to check out the commands 'gpg-agent'
provides using the Assuan interface.  It might also be useful for
scripting simple applications.  Input is expected at stdin and output
gets printed to stdout.

   It is very similar to running 'gpg-agent' in server mode; but here we
connect to a running instance.

* Menu:

* Invoking gpg-connect-agent::       List of all options.
* Controlling gpg-connect-agent::    Control commands.


File: gnupg.info,  Node: Invoking gpg-connect-agent,  Next: Controlling gpg-connect-agent,  Up: gpg-connect-agent

9.7.1 List of all options
-------------------------

'gpg-connect-agent' is invoked this way:

     gpg-connect-agent [options] [commands]

The following options may be used:

'-v'
'--verbose'
     Output additional information while running.

'-q'
'--quiet'
     Try to be as quiet as possible.

'--homedir DIR'
     Set the name of the home directory to DIR.  If this option is not
     used, the home directory defaults to '~/.gnupg'.  It is only
     recognized when given on the command line.  It also overrides any
     home directory stated through the environment variable 'GNUPGHOME'
     or (on Windows systems) by means of the Registry entry
     HKCU\SOFTWARE\GNU\GNUPG:HOMEDIR.

     On Windows systems it is possible to install GnuPG as a portable
     application.  In this case only this command line option is
     considered, all other ways to set a home directory are ignored.

     To install GnuPG as a portable application under Windows, create an
     empty file named 'gpgconf.ctl' in the same directory as the tool
     'gpgconf.exe'.  The root of the installation is then that
     directory; or, if 'gpgconf.exe' has been installed directly below a
     directory named 'bin', its parent directory.  You also need to make
     sure that the following directories exist and are writable:
     'ROOT/home' for the GnuPG home and 'ROOT/usr/local/var/cache/gnupg'
     for internal cache files.

'--agent-program FILE'
     Specify the agent program to be started if none is running.  The
     default value is determined by running 'gpgconf' with the option
     '--list-dirs'.  Note that the pipe symbol ('|') is used for a
     regression test suite hack and may thus not be used in the file
     name.

'--dirmngr-program FILE'
     Specify the directory manager (keyserver client) program to be
     started if none is running.  This has only an effect if used
     together with the option '--dirmngr'.

'--dirmngr'
     Connect to a running directory manager (keyserver client) instead
     of to the gpg-agent.  If a dirmngr is not running, start it.

'-S'
'--raw-socket NAME'
     Connect to socket NAME assuming this is an Assuan style server.  Do
     not run any special initializations or environment checks.  This
     may be used to directly connect to any Assuan style socket server.

'-E'
'--exec'
     Take the rest of the command line as a program and it's arguments
     and execute it as an Assuan server.  Here is how you would run
     'gpgsm':
           gpg-connect-agent --exec gpgsm --server
     Note that you may not use options on the command line in this case.

'--no-ext-connect'
     When using '-S' or '--exec', 'gpg-connect-agent' connects to the
     Assuan server in extended mode to allow descriptor passing.  This
     option makes it use the old mode.

'--no-autostart'
     Do not start the gpg-agent or the dirmngr if it has not yet been
     started.

'-r FILE'
'--run FILE'
     Run the commands from FILE at startup and then continue with the
     regular input method.  Note, that commands given on the command
     line are executed after this file.

'-s'
'--subst'
     Run the command '/subst' at startup.

'--hex'
     Print data lines in a hex format and the ASCII representation of
     non-control characters.

'--decode'
     Decode data lines.  That is to remove percent escapes but make sure
     that a new line always starts with a D and a space.


File: gnupg.info,  Node: Controlling gpg-connect-agent,  Prev: Invoking gpg-connect-agent,  Up: gpg-connect-agent

9.7.2 Control commands
----------------------

While reading Assuan commands, gpg-agent also allows a few special
commands to control its operation.  These control commands all start
with a slash ('/').

'/echo ARGS'
     Just print ARGS.

'/let NAME VALUE'
     Set the variable NAME to VALUE.  Variables are only substituted on
     the input if the '/subst' has been used.  Variables are referenced
     by prefixing the name with a dollar sign and optionally include the
     name in curly braces.  The rules for a valid name are identically
     to those of the standard bourne shell.  This is not yet enforced
     but may be in the future.  When used with curly braces no leading
     or trailing white space is allowed.

     If a variable is not found, it is searched in the environment and
     if found copied to the table of variables.

     Variable functions are available: The name of the function must be
     followed by at least one space and the at least one argument.  The
     following functions are available:

     'get'
          Return a value described by the argument.  Available arguments
          are:

          'cwd'
               The current working directory.
          'homedir'
               The gnupg homedir.
          'sysconfdir'
               GnuPG's system configuration directory.
          'bindir'
               GnuPG's binary directory.
          'libdir'
               GnuPG's library directory.
          'libexecdir'
               GnuPG's library directory for executable files.
          'datadir'
               GnuPG's data directory.
          'serverpid'
               The PID of the current server.  Command '/serverpid' must
               have been given to return a useful value.

     'unescape ARGS'
          Remove C-style escapes from ARGS.  Note that '\0' and '\x00'
          terminate the returned string implicitly.  The string to be
          converted are the entire arguments right behind the delimiting
          space of the function name.

     'unpercent ARGS'
     'unpercent+ ARGS'
          Remove percent style escaping from ARGS.  Note that '%00'
          terminates the string implicitly.  The string to be converted
          are the entire arguments right behind the delimiting space of
          the function name.  'unpercent+' also maps plus signs to a
          spaces.

     'percent ARGS'
     'percent+ ARGS'
          Escape the ARGS using percent style escaping.  Tabs,
          formfeeds, linefeeds, carriage returns and colons are escaped.
          'percent+' also maps spaces to plus signs.

     'errcode ARG'
     'errsource ARG'
     'errstring ARG'
          Assume ARG is an integer and evaluate it using 'strtol'.
          Return the gpg-error error code, error source or a formatted
          string with the error code and error source.

     '+'
     '-'
     '*'
     '/'
     '%'
          Evaluate all arguments as long integers using 'strtol' and
          apply this operator.  A division by zero yields an empty
          string.

     '!'
     '|'
     '&'
          Evaluate all arguments as long integers using 'strtol' and
          apply the logical operators NOT, OR or AND. The NOT operator
          works on the last argument only.

'/definq NAME VAR'
     Use content of the variable VAR for inquiries with NAME.  NAME may
     be an asterisk ('*') to match any inquiry.

'/definqfile NAME FILE'
     Use content of FILE for inquiries with NAME.  NAME may be an
     asterisk ('*') to match any inquiry.

'/definqprog NAME PROG'
     Run PROG for inquiries matching NAME and pass the entire line to it
     as command line arguments.

'/datafile NAME'
     Write all data lines from the server to the file NAME.  The file is
     opened for writing and created if it does not exists.  An existing
     file is first truncated to 0.  The data written to the file fully
     decoded.  Using a single dash for NAME writes to stdout.  The file
     is kept open until a new file is set using this command or this
     command is used without an argument.

'/showdef'
     Print all definitions

'/cleardef'
     Delete all definitions

'/sendfd FILE MODE'
     Open FILE in MODE (which needs to be a valid 'fopen' mode string)
     and send the file descriptor to the server.  This is usually
     followed by a command like 'INPUT FD' to set the input source for
     other commands.

'/recvfd'
     Not yet implemented.

'/open VAR FILE [MODE]'
     Open FILE and assign the file descriptor to VAR.  Warning: This
     command is experimental and might change in future versions.

'/close FD'
     Close the file descriptor FD.  Warning: This command is
     experimental and might change in future versions.

'/showopen'
     Show a list of open files.

'/serverpid'
     Send the Assuan command 'GETINFO pid' to the server and store the
     returned PID for internal purposes.

'/sleep'
     Sleep for a second.

'/hex'
'/nohex'
     Same as the command line option '--hex'.

'/decode'
'/nodecode'
     Same as the command line option '--decode'.

'/subst'
'/nosubst'
     Enable and disable variable substitution.  It defaults to disabled
     unless the command line option '--subst' has been used.  If /subst
     as been enabled once, leading whitespace is removed from input
     lines which makes scripts easier to read.

'/while CONDITION'
'/end'
     These commands provide a way for executing loops.  All lines
     between the 'while' and the corresponding 'end' are executed as
     long as the evaluation of CONDITION yields a non-zero value or is
     the string 'true' or 'yes'.  The evaluation is done by passing
     CONDITION to the 'strtol' function.  Example:

            /subst
            /let i 3
            /while $i
              /echo loop counter is $i
              /let i ${- $i 1}
            /end

'/if CONDITION'
'/end'
     These commands provide a way for conditional execution.  All lines
     between the 'if' and the corresponding 'end' are executed only if
     the evaluation of CONDITION yields a non-zero value or is the
     string 'true' or 'yes'.  The evaluation is done by passing
     CONDITION to the 'strtol' function.

'/run FILE'
     Run commands from FILE.

'/bye'
     Terminate the connection and the program.

'/help'
     Print a list of available control commands.


File: gnupg.info,  Node: dirmngr-client,  Next: gpgparsemail,  Prev: gpg-connect-agent,  Up: Helper Tools

9.8 The Dirmngr Client Tool
===========================

The 'dirmngr-client' is a simple tool to contact a running dirmngr and
test whether a certificate has been revoked -- either by being listed in
the corresponding CRL or by running the OCSP protocol.  If no dirmngr is
running, a new instances will be started but this is in general not a
good idea due to the huge performance overhead.

The usual way to run this tool is either:

     dirmngr-client ACERT

or

     dirmngr-client <ACERT

   Where ACERT is one DER encoded (binary) X.509 certificates to be
tested.  The return value of this command is

'0'
     The certificate under question is valid; i.e.  there is a valid CRL
     available and it is not listed there or the OCSP request returned
     that that certificate is valid.

'1'
     The certificate has been revoked

'2 (and other values)'
     There was a problem checking the revocation state of the
     certificate.  A message to stderr has given more detailed
     information.  Most likely this is due to a missing or expired CRL
     or due to a network problem.

'dirmngr-client' may be called with the following options:

'--version'
     Print the program version and licensing information.  Note that you
     cannot abbreviate this command.

'--help, -h'
     Print a usage message summarizing the most useful command-line
     options.  Note that you cannot abbreviate this command.

'--quiet, -q'
     Make the output extra brief by suppressing any informational
     messages.

'-v'
'--verbose'
     Outputs additional information while running.  You can increase the
     verbosity by giving several verbose commands to DIRMNGR, such as
     '-vv'.

'--pem'
     Assume that the given certificate is in PEM (armored) format.

'--ocsp'
     Do the check using the OCSP protocol and ignore any CRLs.

'--force-default-responder'
     When checking using the OCSP protocol, force the use of the default
     OCSP responder.  That is not to use the Reponder as given by the
     certificate.

'--ping'
     Check whether the dirmngr daemon is up and running.

'--cache-cert'
     Put the given certificate into the cache of a running dirmngr.
     This is mainly useful for debugging.

'--validate'
     Validate the given certificate using dirmngr's internal validation
     code.  This is mainly useful for debugging.

'--load-crl'
     This command expects a list of filenames with DER encoded CRL
     files.  With the option '--url' URLs are expected in place of
     filenames and they are loaded directly from the given location.
     All CRLs will be validated and then loaded into dirmngr's cache.

'--lookup'
     Take the remaining arguments and run a lookup command on each of
     them.  The results are Base-64 encoded outputs (without header
     lines).  This may be used to retrieve certificates from a server.
     However the output format is not very well suited if more than one
     certificate is returned.

'--url'
'-u'
     Modify the 'lookup' and 'load-crl' commands to take an URL.

'--local'
'-l'
     Let the 'lookup' command only search the local cache.

'--squid-mode'
     Run DIRMNGR-CLIENT in a mode suitable as a helper program for
     Squid's 'external_acl_type' option.


File: gnupg.info,  Node: gpgparsemail,  Next: symcryptrun,  Prev: dirmngr-client,  Up: Helper Tools

9.9 Parse a mail message into an annotated format
=================================================

The 'gpgparsemail' is a utility currently only useful for debugging.
Run it with '--help' for usage information.


File: gnupg.info,  Node: symcryptrun,  Next: gpgtar,  Prev: gpgparsemail,  Up: Helper Tools

9.10 Call a simple symmetric encryption tool
============================================

Sometimes simple encryption tools are already in use for a long time and
there might be a desire to integrate them into the GnuPG framework.  The
protocols and encryption methods might be non-standard or not even
properly documented, so that a full-fledged encryption tool with an
interface like 'gpg' is not doable.  'symcryptrun' provides a solution:
It operates by calling the external encryption/decryption module and
provides a passphrase for a key using the standard 'pinentry' based
mechanism through 'gpg-agent'.

   Note, that 'symcryptrun' is only available if GnuPG has been
configured with '--enable-symcryptrun' at build time.

* Menu:

* Invoking symcryptrun::   List of all commands and options.


File: gnupg.info,  Node: Invoking symcryptrun,  Up: symcryptrun

9.10.1 List of all commands and options
---------------------------------------

'symcryptrun' is invoked this way:

     symcryptrun --class CLASS --program PROGRAM --keyfile KEYFILE
        [--decrypt | --encrypt] [inputfile]

   For encryption, the plain text must be provided on STDIN or as the
argument INPUTFILE, and the ciphertext will be output to STDOUT. For
decryption vice versa.

   CLASS describes the calling conventions of the external tool.
Currently it must be given as 'confucius'.  PROGRAM is the full filename
of that external tool.

   For the class 'confucius' the option '--keyfile' is required; KEYFILE
is the name of a file containing the secret key, which may be protected
by a passphrase.  For detailed calling conventions, see the source code.

Note, that 'gpg-agent' must be running before starting 'symcryptrun'.

The following additional options may be used:

'-v'
'--verbose'
     Output additional information while running.

'-q'
'--quiet'
     Try to be as quiet as possible.

'--homedir DIR'
     Set the name of the home directory to DIR.  If this option is not
     used, the home directory defaults to '~/.gnupg'.  It is only
     recognized when given on the command line.  It also overrides any
     home directory stated through the environment variable 'GNUPGHOME'
     or (on Windows systems) by means of the Registry entry
     HKCU\SOFTWARE\GNU\GNUPG:HOMEDIR.

     On Windows systems it is possible to install GnuPG as a portable
     application.  In this case only this command line option is
     considered, all other ways to set a home directory are ignored.

     To install GnuPG as a portable application under Windows, create an
     empty file named 'gpgconf.ctl' in the same directory as the tool
     'gpgconf.exe'.  The root of the installation is then that
     directory; or, if 'gpgconf.exe' has been installed directly below a
     directory named 'bin', its parent directory.  You also need to make
     sure that the following directories exist and are writable:
     'ROOT/home' for the GnuPG home and 'ROOT/usr/local/var/cache/gnupg'
     for internal cache files.

'--log-file FILE'
     Append all logging output to FILE.  Use 'socket://' to log to
     socket.  Default is to write logging information to STDERR.

The possible exit status codes of 'symcryptrun' are:

'0'
     Success.
'1'
     Some error occurred.
'2'
     No valid passphrase was provided.
'3'
     The operation was canceled by the user.


File: gnupg.info,  Node: gpgtar,  Prev: symcryptrun,  Up: Helper Tools

9.11 Encrypt or sign files into an archive
==========================================

'gpgtar' encrypts or signs files into an archive.  It is an gpg-ized tar
using the same format as used by PGP's PGP Zip.

'gpgtar' is invoked this way:

     gpgtar [options] FILENAME1 [FILENAME2, ...] DIRECTORY [DIRECTORY2, ...]

'gpgtar' understands these options:

'--create'
     Put given files and directories into a vanilla "ustar" archive.

'--extract'
     Extract all files from a vanilla "ustar" archive.

'--encrypt'
'-e'
     Encrypt given files and directories into an archive.  This option
     may be combined with option '--symmetric' for an archive that may
     be decrypted via a secret key or a passphrase.

'--decrypt'
'-d'
     Extract all files from an encrypted archive.

'--sign'
'-s'
     Make a signed archive from the given files and directories.  This
     can be combined with option '--encrypt' to create a signed and then
     encrypted archive.

'--list-archive'
'-t'
     List the contents of the specified archive.

'--symmetric'
'-c'
     Encrypt with a symmetric cipher using a passphrase.  The default
     symmetric cipher used is AES-128, but may be chosen with the
     '--cipher-algo' option to 'gpg'.

'--recipient USER'
'-r USER'
     Encrypt for user id USER.  For details see 'gpg'.

'--local-user USER'
'-u USER'
     Use USER as the key to sign with.  For details see 'gpg'.

'--output FILE'
'-o FILE'
     Write the archive to the specified file FILE.

'--verbose'
'-v'
     Enable extra informational output.

'--quiet'
'-q'
     Try to be as quiet as possible.

'--skip-crypto'
     Skip all crypto operations and create or extract vanilla "ustar"
     archives.

'--dry-run'
     Do not actually output the extracted files.

'--directory DIR'
'-C DIR'
     Extract the files into the directory DIR.  The default is to take
     the directory name from the input filename.  If no input filename
     is known a directory named 'GPGARCH' is used.  For tarball
     creation, switch to directory DIR before performing any operations.

'--files-from FILE'
'-T FILE'
     Take the file names to work from the file FILE; one file per line.

'--null'
     Modify option '--files-from' to use a binary nul instead of a
     linefeed to separate file names.

'--utf8-strings'
     Assume that the file names read by '--files-from' are UTF-8
     encoded.  This option has an effect only on Windows where the
     active code page is otherwise assumed.

'--openpgp'
     This option has no effect because OpenPGP encryption and signing is
     the default.

'--cms'
     This option is reserved and shall not be used.  It will eventually
     be used to encrypt or sign using the CMS protocol; but that is not
     yet implemented.

'--set-filename FILE'
     Use the last component of FILE as the output directory.  The
     default is to take the directory name from the input filename.  If
     no input filename is known a directory named 'GPGARCH' is used.
     This option is deprecated in favor of option '--directory'.

'--gpg GPGCMD'
     Use the specified command GPGCMD instead of 'gpg'.

'--gpg-args ARGS'
     Pass the specified extra options to 'gpg'.

'--tar-args ARGS'
     Assume ARGS are standard options of the command 'tar' and parse
     them.  The only supported tar options are "-directory",
     "-files-from", and "-null" This is an obsolete options because
     those supported tar options can also be given directly.

'--version'
     Print version of the program and exit.

'--help'
     Display a brief help page and exit.

The program returns 0 if everything was fine, 1 otherwise.

Some examples:

Encrypt the contents of directory 'mydocs' for user Bob to file 'test1':

     gpgtar --encrypt --output test1 -r Bob mydocs

List the contents of archive 'test1':

     gpgtar --list-archive test1


File: gnupg.info,  Node: Web Key Service,  Next: Howtos,  Prev: Helper Tools,  Up: Top

10 Web Key Service
******************

GnuPG comes with tools used to maintain and access a Web Key Directory.

* Menu:

* gpg-wks-client::        Send requests via WKS
* gpg-wks-server::        Server to provide the WKS.


File: gnupg.info,  Node: gpg-wks-client,  Next: gpg-wks-server,  Up: Web Key Service

10.1 Send requests via WKS
==========================

The 'gpg-wks-client' is used to send requests to a Web Key Service
provider.  This is usuallay done to upload a key into a Web Key
Directory.

   With the '--supported' command the caller can test whether a site
supports the Web Key Service.  The argument is an arbitrary address in
the to be tested domain.  For example 'foo@example.net'.  The command
returns success if the Web Key Service is supported.  The operation is
silent; to get diagnostic output use the option '--verbose'.  See option
'--with-colons' for a variant of this command.

   With the '--check' command the caller can test whether a key exists
for a supplied mail address.  The command returns success if a key is
available.

   The '--create' command is used to send a request for publication in
the Web Key Directory.  The arguments are the fingerprint of the key and
the user id to publish.  The output from the command is a properly
formatted mail with all standard headers.  This mail can be fed to
'sendmail(8)' or any other tool to actually send that mail.  If
'sendmail(8)' is installed the option '--send' can be used to directly
send the created request.  If the provider request a 'mailbox-only' user
id and no such user id is found, 'gpg-wks-client' will try an additional
user id.

   The '--receive' and '--read' commands are used to process
confirmation mails as send from the service provider.  The former
expects an encrypted MIME messages, the latter an already decrypted MIME
message.  The result of these commands are another mail which can be
send in the same way as the mail created with '--create'.

   The command '--install-key' manually installs a key into a local
directory (see option '-C') reflecting the structure of a WKD. The
arguments are a file with the keyblock and the user-id to install.  If
the first argument resembles a fingerprint the key is taken from the
current keyring; to force the use of a file, prefix the first argument
with "./".  If no arguments are given the parameters are read from
stdin; the expected format are lines with the fingerprint and the
mailbox separated by a space.  The command '--remove-key' removes a key
from that directory, its only argument is a user-id.

   The command '--print-wkd-hash' prints the WKD user-id identifiers and
the corresponding mailboxes from the user-ids given on the command line
or via stdin (one user-id per line).

   The command '--print-wkd-url' prints the URLs used to fetch the key
for the given user-ids from WKD. The meanwhile preferred format with
sub-domains is used here.

   'gpg-wks-client' is not commonly invoked directly and thus it is not
installed in the bin directory.  Here is an example how it can be
invoked manually to check for a Web Key Directory entry for
'foo@example.org':

     $(gpgconf --list-dirs libexecdir)/gpg-wks-client --check foo@example.net

'gpg-wks-client' understands these options:

'--send'
     Directly send created mails using the 'sendmail' command.  Requires
     installation of that command.

'--with-colons'
     This option has currently only an effect on the '--supported'
     command.  If it is used all arguments on the command line are taken
     as domain names and tested for WKD support.  The output format is
     one line per domain with colon delimited fields.  The currently
     specified fields are (future versions may specify additional
     fields):

     1 - domain
          This is the domain name.  Although quoting is not required for
          valid domain names this field is specified to be quoted in
          standard C manner.

     2 - WKD
          If the value is true the domain supports the Web Key
          Directory.

     3 - WKS
          If the value is true the domain supports the Web Key Service
          protocol to upload keys to the directory.

     4 - error-code
          This may contain an gpg-error code to describe certain
          failures.  Use 'gpg-error CODE' to explain the code.

     5 - protocol-version
          The minimum protocol version supported by the server.

     6 - auth-submit
          The auth-submit flag from the policy file of the server.

     7 - mailbox-only
          The mailbox-only flag from the policy file of the server.

'--output FILE'
'-o'
     Write the created mail to FILE instead of stdout.  Note that the
     value '-' for FILE is the same as writing to stdout.

'--status-fd N'
     Write special status strings to the file descriptor N.  This
     program returns only the status messages SUCCESS or FAILURE which
     are helpful when the caller uses a double fork approach and can't
     easily get the return code of the process.

'-C DIR'
'--directory DIR'
     Use DIR as top level directory for the commands '--install-key' and
     '--remove-key'.  The default is 'openpgpkey'.

'--verbose'
     Enable extra informational output.

'--quiet'
     Disable almost all informational output.

'--version'
     Print version of the program and exit.

'--help'
     Display a brief help page and exit.


File: gnupg.info,  Node: gpg-wks-server,  Prev: gpg-wks-client,  Up: Web Key Service

10.2 Provide the Web Key Service
================================

The 'gpg-wks-server' is a server site implementation of the Web Key
Service.  It receives requests for publication, sends confirmation
requests, receives confirmations, and published the key.  It also has
features to ease the setup and maintenance of a Web Key Directory.

   When used with the command '--receive' a single Web Key Service mail
is processed.  Commonly this command is used with the option '--send' to
directly send the crerated mails back.  See below for an installation
example.

   The command '--cron' is used for regualr cleanup tasks.  For example
non-confirmed requested should be removed after their expire time.  It
is best to run this command once a day from a cronjob.

   The command '--list-domains' prints all configured domains.  Further
it creates missing directories for the configuration and prints warnings
pertaining to problems in the configuration.

   The command '--check-key' (or just '--check') checks whether a key
with the given user-id is installed.  The process returns success in
this case; to also print a diagnostic use the option '-v'.  If the key
is not installed a diagnostic is printed and the process returns
failure; to suppress the diagnostic, use option '-q'.  More than one
user-id can be given; see also option 'with-file'.

   The command '--install-key' manually installs a key into the WKD. The
arguments are a file with the keyblock and the user-id to install.  If
the first argument resembles a fingerprint the key is taken from the
current keyring; to force the use of a file, prefix the first argument
with "./".  If no arguments are given the parameters are read from
stdin; the expected format are lines with the fingerprint and the
mailbox separated by a space.

   The command '--remove-key' uninstalls a key from the WKD. The process
returns success in this case; to also print a diagnostic, use option
'-v'.  If the key is not installed a diagnostic is printed and the
process returns failure; to suppress the diagnostic, use option '-q'.

   The command '--revoke-key' is not yet functional.

'gpg-wks-server' understands these options:

'-C DIR'
'--directory DIR'
     Use DIR as top level directory for domains.  The default is
     '/var/lib/gnupg/wks'.

'--from MAILADDR'
     Use MAILADDR as the default sender address.

'--header NAME=VALUE'
     Add the mail header "NAME: VALUE" to all outgoing mails.

'--send'
     Directly send created mails using the 'sendmail' command.  Requires
     installation of that command.

'-o FILE'
'--output FILE'
     Write the created mail also to FILE.  Note that the value '-' for
     FILE would write it to stdout.

'--with-dir'
     When used with the command '--list-domains' print for each
     installed domain the domain name and its directory name.

'--with-file'
     When used with the command '--check-key' print for each user-id,
     the address, 'i' for installed key or 'n' for not installed key,
     and the filename.

'--verbose'
     Enable extra informational output.

'--quiet'
     Disable almost all informational output.

'--version'
     Print version of the program and exit.

'--help'
     Display a brief help page and exit.


Examples
********

The Web Key Service requires a working directory to store keys pending
for publication.  As root create a working directory:

       # mkdir /var/lib/gnupg/wks
       # chown webkey:webkey /var/lib/gnupg/wks
       # chmod 2750 /var/lib/gnupg/wks

   Then under your webkey account create directories for all your
domains.  Here we do it for "example.net":

       $ mkdir /var/lib/gnupg/wks/example.net

   Finally run

       $ gpg-wks-server --list-domains

   to create the required sub-directories with the permissions set
correctly.  For each domain a submission address needs to be configured.
All service mails are directed to that address.  It can be the same
address for all configured domains, for example:

       $ cd /var/lib/gnupg/wks/example.net
       $ echo key-submission@example.net >submission-address

   The protocol requires that the key to be published is send with an
encrypted mail to the service.  Thus you need to create a key for the
submission address:

       $ gpg --batch --passphrase '' --quick-gen-key key-submission@example.net
       $ gpg -K key-submission@example.net

   The output of the last command looks similar to this:

       sec   rsa2048 2016-08-30 [SC]
             C0FCF8642D830C53246211400346653590B3795B
       uid           [ultimate] key-submission@example.net
       ssb   rsa2048 2016-08-30 [E]

   Take the fingerprint from that output and manually publish the key:

       $ gpg-wks-server --install-key C0FCF8642D830C53246211400346653590B3795B \
       >                key-submission@example.net

   Finally that submission address needs to be redirected to a script
running 'gpg-wks-server'.  The 'procmail' command can be used for this:
Redirect the submission address to the user "webkey" and put this into
webkey's '.procmailrc':

     :0
     * !^From: webkey@example.net
     * !^X-WKS-Loop: webkey.example.net
     |gpg-wks-server -v --receive \
          --header X-WKS-Loop=webkey.example.net \
          --from webkey@example.net --send


File: gnupg.info,  Node: Howtos,  Next: System Notes,  Prev: Web Key Service,  Up: Top

11 How to do certain things
***************************

This is a collection of small howto documents.

* Menu:

* Howto Create a Server Cert::  Creating a TLS server certificate.


File: gnupg.info,  Node: Howto Create a Server Cert,  Up: Howtos

11.1 Creating a TLS server certificate
======================================

Here is a brief run up on how to create a server certificate.  It has
actually been done this way to get a certificate from CAcert to be used
on a real server.  It has only been tested with this CA, but there
shouldn't be any problem to run this against any other CA.

   We start by generating an X.509 certificate signing request.  As
there is no need for a configuration file, you may simply enter:

       $ gpgsm --generate-key >example.com.cert-req.pem
       Please select what kind of key you want:
          (1) RSA
          (2) Existing key
          (3) Existing key from card
       Your selection? 1

   I opted for creating a new RSA key.  The other option is to use an
already existing key, by selecting '2' and entering the so-called
keygrip.  Running the command 'gpgsm --dump-secret-key USERID' shows you
this keygrip.  Using '3' offers another menu to create a certificate
directly from a smart card based key.

   Let's continue:

       What keysize do you want? (3072)
       Requested keysize is 3072 bits

   Hitting enter chooses the default RSA key size of 3072 bits.  Keys
smaller than 2048 bits are too weak on the modern Internet.  If you
choose a larger (stronger) key, your server will need to do more work.

       Possible actions for a RSA key:
          (1) sign, encrypt
          (2) sign
          (3) encrypt
       Your selection? 1

   Selecting "sign" enables use of the key for Diffie-Hellman key
exchange mechanisms (DHE and ECDHE) in TLS, which are preferred because
they offer forward secrecy.  Selecting "encrypt" enables RSA key
exchange mechanisms, which are still common in some places.  Selecting
both enables both key exchange mechanisms.

   Now for some real data:

       Enter the X.509 subject name: CN=example.com

   This is the most important value for a server certificate.  Enter
here the canonical name of your server machine.  You may add other
virtual server names later.

       E-Mail addresses (end with an empty line):
       >

   We don't need email addresses in a TLS server certificate and CAcert
would anyway ignore such a request.  Thus just hit enter.

   If you want to create a client certificate for email encryption, this
would be the place to enter your mail address (e.g.  <joe@example.org>).
You may enter as many addresses as you like, however the CA may not
accept them all or reject the entire request.

       Enter DNS names (optional; end with an empty line):
       > example.com
       > www.example.com
       >

   Here I entered the names of the services which the machine actually
provides.  You almost always want to include the canonical name here
too.  The browser will accept a certificate for any of these names.  As
usual the CA must approve all of these names.

       URIs (optional; end with an empty line):
       >

   It is possible to insert arbitrary URIs into a certificate; for a
server certificate this does not make sense.

       Create self-signed certificate? (y/N)

   Since we are creating a certificate signing request, and not a full
certificate, we answer no here, or just hit enter for the default.

   We have now entered all required information and 'gpgsm' will display
what it has gathered and ask whether to create the certificate request:

       These parameters are used:
           Key-Type: RSA
           Key-Length: 3072
           Key-Usage: sign, encrypt
           Name-DN: CN=example.com
           Name-DNS: example.com
           Name-DNS: www.example.com

       Proceed with creation? (y/N) y

   'gpgsm' will now start working on creating the request.  As this
includes the creation of an RSA key it may take a while.  During this
time you will be asked 3 times for a passphrase to protect the created
private key on your system.  A pop up window will appear to ask for it.
The first two prompts are for the new passphrase and for re-entering it;
the third one is required to actually create the certificate signing
request.

   When it is ready, you should see the final notice:

       Ready.  You should now send this request to your CA.

   Now, you may look at the created request:

       $ cat example.com.cert-req.pem
       -----BEGIN CERTIFICATE REQUEST-----
       MIIClTCCAX0CAQAwFjEUMBIGA1UEAxMLZXhhbXBsZS5jb20wggEiMA0GCSqGSIb3
       DQEBAQUAA4IBDwAwggEKAoIBAQDP1QEcbTvOLLCX4gAoOzH9AW7jNOMj7OSOL0uW
       h2bCdkK5YVpnX212Z6COTC3ZG0pJiCeGt1TbbDJUlTa4syQ6JXavjK66N8ASZsyC
       Rwcl0m6hbXp541t1dbgt2VgeGk25okWw3j+brw6zxLD2TnthJxOatID0lDIG47HW
       GqzZmA6WHbIBIONmGnReIHTpPAPCDm92vUkpKG1xLPszuRmsQbwEl870W/FHrsvm
       DPvVUUSdIvTV9NuRt7/WY6G4nPp9QlIuTf1ESPzIuIE91gKPdrRCAx0yuT708S1n
       xCv3ETQ/bKPoAQ67eE3mPBqkcVwv9SE/2/36Lz06kAizRgs5AgMBAAGgOjA4Bgkq
       hkiG9w0BCQ4xKzApMCcGA1UdEQQgMB6CC2V4YW1wbGUuY29tgg93d3cuZXhhbXBs
       ZS5jb20wDQYJKoZIhvcNAQELBQADggEBAEWD0Qqz4OENLYp6yyO/KqF0ig9FDsLN
       b5/R+qhms5qlhdB5+Dh+j693Sj0UgbcNKc6JT86IuBqEBZmRCJuXRoKoo5aMS1cJ
       hXga7N9IA3qb4VBUzBWvlL92U2Iptr/cEbikFlYZF2Zv3PBv8RfopVlI3OLbKV9D
       bJJTt/6kuoydXKo/Vx4G0DFzIKNdFdJk86o/Ziz8NOs9JjZxw9H9VY5sHKFM5LKk
       VcLwnnLRlNjBGB+9VK/Tze575eG0cJomTp7UGIB+1xzIQVAhUZOizRDv9tHDeaK3
       k+tUhV0kuJcYHucpJycDSrP/uAY5zuVJ0rs2QSjdnav62YrRgEsxJrU=
       -----END CERTIFICATE REQUEST-----
       $

   You may now proceed by logging into your account at the CAcert
website, choose 'Server Certificates - New', check 'sign by class 3 root
certificate', paste the above request block into the text field and
click on 'Submit'.

   If everything works out fine, a certificate will be shown.  Now run

     $ gpgsm --import

   and paste the certificate from the CAcert page into your terminal
followed by a Ctrl-D

       -----BEGIN CERTIFICATE-----
       MIIEIjCCAgqgAwIBAgIBTDANBgkqhkiG9w0BAQQFADBUMRQwEgYDVQQKEwtDQWNl
        [...]
       rUTFlNElRXCwIl0YcJkIaYYqWf7+A/aqYJCi8+51usZwMy3Jsq3hJ6MA3h1BgwZs
       Rtct3tIX
       -----END CERTIFICATE-----
       gpgsm: issuer certificate (#/CN=CAcert Class 3 Ro[...]) not found
       gpgsm: certificate imported

       gpgsm: total number processed: 1
       gpgsm:               imported: 1

   'gpgsm' tells you that it has imported the certificate.  It is now
associated with the key you used when creating the request.  The root
certificate has not been found, so you may want to import it from the
CACert website.

   To see the content of your certificate, you may now enter:

       $ gpgsm -K example.com
       /home/foo/.gnupg/pubring.kbx
       ---------------------------
       Serial number: 4C
              Issuer: /CN=CAcert Class 3 Root/OU=http:\x2f\x2fwww.[...]
             Subject: /CN=example.com
                 aka: (dns-name example.com)
                 aka: (dns-name www.example.com)
            validity: 2015-07-01 16:20:51 through 2016-07-01 16:20:51
            key type: 3072 bit RSA
           key usage: digitalSignature keyEncipherment
       ext key usage: clientAuth (suggested), serverAuth (suggested), [...]
         fingerprint: 0F:9C:27:B2:DA:05:5F:CB:33:D8:19:E9:65:B9:4F:BD:B1:98:CC:57

   I used '-K' above because this will only list certificates for which
a private key is available.  To see more details, you may use
'--dump-secret-keys' instead of '-K'.

   To make actual use of the certificate you need to install it on your
server.  Server software usually expects a PKCS\#12 file with key and
certificate.  To create such a file, run:

       $ gpgsm --export-secret-key-p12 -a >example.com-cert.pem

   You will be asked for the passphrase as well as for a new passphrase
to be used to protect the PKCS\#12 file.  The file now contains the
certificate as well as the private key:

       $ cat example-cert.pem
       Issuer ...: /CN=CAcert Class 3 Root/OU=http:\x2f\x2fwww.CA[...]
       Serial ...: 4C
       Subject ..: /CN=example.com
           aka ..: (dns-name example.com)
           aka ..: (dns-name www.example.com)

       -----BEGIN PKCS12-----
       MIIHlwIBAzCCB5AGCSqGSIb37QdHAaCCB4EEggd9MIIHeTk1BJ8GCSqGSIb3DQEu
       [...many more lines...]
       -----END PKCS12-----
       $

   Copy this file in a secure way to the server, install it there and
delete the file then.  You may export the file again at any time as long
as it is available in GnuPG's private key database.


File: gnupg.info,  Node: System Notes,  Next: Debugging,  Prev: Howtos,  Up: Top

12 Notes pertaining to certain OSes
***********************************

GnuPG has been developed on GNU/Linux systems and is know to work on
almost all Free OSes.  All modern POSIX systems should be supported
right now, however there are probably a lot of smaller glitches we need
to fix first.  The major problem areas are:

   * We are planning to use file descriptor passing for interprocess
     communication.  This will allow us save a lot of resources and
     improve performance of certain operations a lot.  Systems not
     supporting this won't gain these benefits but we try to keep them
     working the standard way as it is done today.

   * We require more or less full POSIX compatibility.  This has been
     around for 15 years now and thus we don't believe it makes sense to
     support non POSIX systems anymore.  Well, we of course the usual
     workarounds for near POSIX systems well be applied.

     There is one exception of this rule: Systems based the Microsoft
     Windows API (called here _W32_) will be supported to some extend.

* Menu:

* W32 Notes::             Microsoft Windows Notes


File: gnupg.info,  Node: W32 Notes,  Up: System Notes

12.1 Microsoft Windows Notes
============================

Current limitations are:

   * 'gpgconf' does not create backup files, so in case of trouble your
     configuration file might get lost.

   * 'watchgnupg' is not available.  Logging to sockets is not possible.

   * The periodical smartcard status checking done by 'scdaemon' is not
     yet supported.


File: gnupg.info,  Node: Debugging,  Next: Copying,  Prev: System Notes,  Up: Top

13 How to solve problems
************************

Everyone knows that software often does not do what it should do and
thus there is a need to track down problems.  We call this debugging in
a reminiscent to the moth jamming a relay in a Mark II box back in 1947.

   Most of the problems a merely configuration and user problems but
nevertheless they are the most annoying ones and responsible for many
gray hairs.  We try to give some guidelines here on how to identify and
solve the problem at hand.

* Menu:

* Debugging Tools::       Description of some useful tools.
* Debugging Hints::       Various hints on debugging.
* Common Problems::       Commonly seen problems.
* Architecture Details::  How the whole thing works internally.


File: gnupg.info,  Node: Debugging Tools,  Next: Debugging Hints,  Up: Debugging

13.1 Debugging Tools
====================

The GnuPG distribution comes with a couple of tools, useful to help find
and solving problems.

* Menu:

* kbxutil::        Scrutinizing a keybox file.


File: gnupg.info,  Node: kbxutil,  Up: Debugging Tools

13.1.1 Scrutinizing a keybox file
---------------------------------

A keybox is a file format used to store public keys along with meta
information and indices.  The commonly used one is the file
'pubring.kbx' in the '.gnupg' directory.  It contains all X.509
certificates as well as OpenPGP keys.

When called the standard way, e.g.:

   'kbxutil ~/.gnupg/pubring.kbx'

it lists all records (called blobs) with there meta-information in a
human readable format.

To see statistics on the keybox in question, run it using

   'kbxutil --stats ~/.gnupg/pubring.kbx'

and you get an output like:

     Total number of blobs:       99
                    header:        1
                     empty:        0
                   openpgp:        0
                      x509:       98
               non flagged:       81
            secret flagged:        0
         ephemeral flagged:       17

   In this example you see that the keybox does not have any OpenPGP
keys but contains 98 X.509 certificates and a total of 17 keys or
certificates are flagged as ephemeral, meaning that they are only
temporary stored (cached) in the keybox and won't get listed using the
usual commands provided by 'gpgsm' or 'gpg'.  81 certificates are stored
in a standard way and directly available from 'gpgsm'.

To find duplicated certificates and keyblocks in a keybox file (this
should not occur but sometimes things go wrong), run it using

   'kbxutil --find-dups ~/.gnupg/pubring.kbx'


File: gnupg.info,  Node: Debugging Hints,  Next: Common Problems,  Prev: Debugging Tools,  Up: Debugging

13.2 Various hints on debugging
===============================

   * How to find the IP address of a keyserver

     If a round robin URL of is used for a keyserver (e.g.
     subkeys.gnupg.org); it is not easy to see what server is actually
     used.  Using the keyserver debug option as in

           gpg --keyserver-options debug=1 -v --refresh-key 1E42B367

     is thus often helpful.  Note that the actual output depends on the
     backend and may change from release to release.

   * Logging on WindowsCE

     For development, the best logging method on WindowsCE is the use of
     remote debugging using a log file name of 'tcp://<ip-addr>:<port>'.
     The command 'watchgnupg' may be used on the remote host to listen
     on the given port (*note option watchgnupg --tcp::).  For in the
     field tests it is better to make use of the logging facility
     provided by the 'gpgcedev' driver (part of libassuan); this is
     enabled by using a log file name of 'GPG2:' (*note option
     --log-file::).


File: gnupg.info,  Node: Common Problems,  Next: Architecture Details,  Prev: Debugging Hints,  Up: Debugging

13.3 Commonly Seen Problems
===========================

   * Error code 'Not supported' from Dirmngr

     Most likely the option 'enable-ocsp' is active for gpgsm but
     Dirmngr's OCSP feature has not been enabled using 'allow-ocsp' in
     'dirmngr.conf'.

   * The Curses based Pinentry does not work

     The far most common reason for this is that the environment
     variable 'GPG_TTY' has not been set correctly.  Make sure that it
     has been set to a real tty device and not just to '/dev/tty'; i.e.
     'GPG_TTY=tty' is plainly wrong; what you want is 'GPG_TTY=`tty`' --
     note the back ticks.  Also make sure that this environment variable
     gets exported, that is you should follow up the setting with an
     'export GPG_TTY' (assuming a Bourne style shell).  Even for GUI
     based Pinentries; you should have set 'GPG_TTY'.  See the section
     on installing the 'gpg-agent' on how to do it.

   * SSH hangs while a popping up pinentry was expected

     SSH has no way to tell the gpg-agent what terminal or X display it
     is running on.  So when remotely logging into a box where a
     gpg-agent with SSH support is running, the pinentry will get popped
     up on whatever display the gpg-agent has been started.  To solve
     this problem you may issue the command

          echo UPDATESTARTUPTTY | gpg-connect-agent

     and the next pinentry will pop up on your display or screen.
     However, you need to kill the running pinentry first because only
     one pinentry may be running at once.  If you plan to use ssh on a
     new display you should issue the above command before invoking ssh
     or any other service making use of ssh.

   * Exporting a secret key without a certificate

     It may happen that you have created a certificate request using
     'gpgsm' but not yet received and imported the certificate from the
     CA. However, you want to export the secret key to another machine
     right now to import the certificate over there then.  You can do
     this with a little trick but it requires that you know the
     approximate time you created the signing request.  By running the
     command

            ls -ltr ~/.gnupg/private-keys-v1.d

     you get a listing of all private keys under control of 'gpg-agent'.
     Pick the key which best matches the creation time and run the
     command

            /usr/local/libexec/gpg-protect-tool --p12-export \
               ~/.gnupg/private-keys-v1.d/FOO >FOO.p12

     (Please adjust the path to 'gpg-protect-tool' to the appropriate
     location).  FOO is the name of the key file you picked (it should
     have the suffix '.key').  A Pinentry box will pop up and ask you
     for the current passphrase of the key and a new passphrase to
     protect it in the pkcs#12 file.

     To import the created file on the machine you use this command:

            /usr/local/libexec/gpg-protect-tool --p12-import --store  FOO.p12

     You will be asked for the pkcs#12 passphrase and a new passphrase
     to protect the imported private key at its new location.

     Note that there is no easy way to match existing certificates with
     stored private keys because some private keys are used for Secure
     Shell or other purposes and don't have a corresponding certificate.

   * A root certificate does not verify

     A common problem is that the root certificate misses the required
     basicConstraints attribute and thus 'gpgsm' rejects this
     certificate.  An error message indicating "no value" is a sign for
     such a certificate.  You may use the 'relax' flag in
     'trustlist.txt' to accept the certificate anyway.  Note that the
     fingerprint and this flag may only be added manually to
     'trustlist.txt'.

   * Error message: "digest algorithm N has not been enabled"

     The signature is broken.  You may try the option
     '--extra-digest-algo SHA256' to workaround the problem.  The number
     N is the internal algorithm identifier; for example 8 refers to
     SHA-256.

   * The Windows version does not work under Wine

     When running the W32 version of 'gpg' under Wine you may get an
     error messages like:

          gpg: fatal: WriteConsole failed: Access denied

     The solution is to use the command 'wineconsole'.

     Some operations like '--generate-key' really want to talk to the
     console directly for increased security (for example to prevent the
     passphrase from appearing on the screen).  So, you should use
     'wineconsole' instead of 'wine', which will launch a windows
     console that implements those additional features.

   * Why does GPG's -search-key list weird keys?

     For performance reasons the keyservers do not check the keys the
     same way 'gpg' does.  It may happen that the listing of keys
     available on the keyservers shows keys with wrong user IDs or with
     user Ids from other keys.  If you try to import this key, the bad
     keys or bad user ids won't get imported, though.  This is a bit
     unfortunate but we can't do anything about it without actually
     downloading the keys.


File: gnupg.info,  Node: Architecture Details,  Prev: Common Problems,  Up: Debugging

13.4 How the whole thing works internally
=========================================

* Menu:

* Component interaction:: How the components work together.
* GnuPG-1 and GnuPG-2::   Relationship between GnuPG 1.4 and 2.x.


File: gnupg.info,  Node: Component interaction,  Next: GnuPG-1 and GnuPG-2,  Up: Architecture Details

13.4.1 How the components work together
---------------------------------------

      [image src="gnupg-module-overview.png" alt="GnuPG modules"]

Figure 13.1: GnuPG module overview


File: gnupg.info,  Node: GnuPG-1 and GnuPG-2,  Prev: Component interaction,  Up: Architecture Details

13.4.2 Relationship between GnuPG 1.4 and 2.x
---------------------------------------------

Here is a little picture showing how the different GnuPG versions make
use of a smartcard:

[image src="gnupg-card-architecture.png" alt="GnuPG card architecture"]

Figure 13.2: GnuPG card architecture


File: gnupg.info,  Node: Copying,  Next: Contributors,  Prev: Debugging,  Up: Top

GNU General Public License
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                      END OF TERMS AND CONDITIONS

How to Apply These Terms to Your New Programs
=============================================

If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.

   To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.

     ONE LINE TO GIVE THE PROGRAM'S NAME AND A BRIEF IDEA OF WHAT IT DOES.
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     This program is distributed in the hope that it will be useful, but
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     You should have received a copy of the GNU General Public License
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Also add information on how to contact you by electronic and paper mail.

If the program does terminal interaction, make it output a short notice
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     PROGRAM Copyright (C) YEAR NAME OF AUTHOR
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   The hypothetical commands 'show w' and 'show c' should show the
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   You should also get your employer (if you work as a programmer) or
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the GNU GPL, see <https://www.gnu.org/licenses/>.

   The GNU General Public License does not permit incorporating your
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applications with the library.  If this is what you want to do, use the
GNU Lesser General Public License instead of this License.  But first,
please read <https://www.gnu.org/philosophy/why-not-lgpl.html>.


File: gnupg.info,  Node: Contributors,  Next: Glossary,  Prev: Copying,  Up: Top

Contributors to GnuPG
*********************

The GnuPG project would like to thank its many contributors.  Without
them the project would not have been nearly as successful as it has
been.  Any omissions in this list are accidental.  Feel free to contact
the maintainer if you have been left out or some of your contributions
are not listed.

   David Shaw, Matthew Skala, Michael Roth, Niklas Hernaeus, Nils
Ellmenreich, Rémi Guyomarch, Stefan Bellon, Timo Schulz and Werner Koch
wrote the code.  Birger Langkjer, Daniel Resare, Dokianakis Theofanis,
Edmund GRIMLEY EVANS, Gaël Quéri, Gregory Steuck, Nagy Ferenc
László, Ivo Timmermans, Jacobo Tarri'o Barreiro, Janusz Aleksander
Urbanowicz, Jedi Lin, Jouni Hiltunen, Laurentiu Buzdugan, Magda
Procha'zkova', Michael Anckaert, Michal Majer, Marco d'Itri, Nilgun
Belma Buguner, Pedro Morais, Tedi Heriyanto, Thiago Jung Bauermann,
Rafael Caetano dos Santos, Toomas Soome, Urko Lusa, Walter Koch, Yosiaki
IIDA did the official translations.  Mike Ashley wrote and maintains the
GNU Privacy Handbook.  David Scribner is the current FAQ editor.
Lorenzo Cappelletti maintains the web site.

   The new modularized architecture of gnupg 1.9 as well as the
X.509/CMS part has been developed as part of the Ägypten project.
Direct contributors to this project are: Bernhard Herzog, who did
extensive testing and tracked down a lot of bugs.  Bernhard Reiter, who
made sure that we met the specifications and the deadlines.  He did
extensive testing and came up with a lot of suggestions.  Jan-Oliver
Wagner made sure that we met the specifications and the deadlines.  He
also did extensive testing and came up with a lot of suggestions.
Karl-Heinz Zimmer and Marc Mutz had to struggle with all the bugs and
misconceptions while working on KDE integration.  Marcus Brinkman
extended GPGME, cleaned up the Assuan code and fixed bugs all over the
place.  Moritz Schulte took over Libgcrypt maintenance and developed it
into a stable an useful library.  Steffen Hansen had a hard time to
write the dirmngr due to underspecified interfaces.  Thomas Koester did
extensive testing and tracked down a lot of bugs.  Werner Koch designed
the system and wrote most of the code.

   The following people helped greatly by suggesting improvements,
testing, fixing bugs, providing resources and doing other important
tasks: Adam Mitchell, Albert Chin, Alec Habig, Allan Clark, Anand
Kumria, Andreas Haumer, Anthony Mulcahy, Ariel T Glenn, Bob Mathews,
Bodo Moeller, Brendan O'Dea, Brenno de Winter, Brian M. Carlson, Brian
Moore, Brian Warner, Bryan Fullerton, Caskey L. Dickson, Cees van de
Griend, Charles Levert, Chip Salzenberg, Chris Adams, Christian Biere,
Christian Kurz, Christian von Roques, Christopher Oliver, Christian
Recktenwald, Dan Winship, Daniel Eisenbud, Daniel Koening, Dave Dykstra,
David C Niemi, David Champion, David Ellement, David Hallinan, David
Hollenberg, David Mathog, David R. Bergstein, Detlef Lannert, Dimitri,
Dirk Lattermann, Dirk Meyer, Disastry, Douglas Calvert, Ed Boraas,
Edmund GRIMLEY EVANS, Edwin Woudt, Enzo Michelangeli, Ernst Molitor,
Fabio Coatti, Felix von Leitner, fish stiqz, Florian Weimer, Francesco
Potorti, Frank Donahoe, Frank Heckenbach, Frank Stajano, Frank Tobin,
Gabriel Rosenkoetter, Gaël Quéri, Gene Carter, Geoff Keating, Georg
Schwarz, Giampaolo Tomassoni, Gilbert Fernandes, Greg Louis, Greg
Troxel, Gregory Steuck, Gregery Barton, Harald Denker, Holger Baust,
Hendrik Buschkamp, Holger Schurig, Holger Smolinski, Holger Trapp, Hugh
Daniel, Huy Le, Ian McKellar, Ivo Timmermans, Jan Krueger, Jan
Niehusmann, Janusz A. Urbanowicz, James Troup, Jean-loup Gailly, Jeff
Long, Jeffery Von Ronne, Jens Bachem, Jeroen C. van Gelderen, J Horacio
MG, J. Michael Ashley, Jim Bauer, Jim Small, Joachim Backes, Joe Rhett,
John A. Martin, Johnny Teveßen, Jörg Schilling, Jos Backus, Joseph
Walton, Juan F. Codagnone, Jun Kuriyama, Kahil D. Jallad, Karl Fogel,
Karsten Thygesen, Katsuhiro Kondou, Kazu Yamamoto, Keith Clayton, Kevin
Ryde, Klaus Singvogel, Kurt Garloff, Lars Kellogg-Stedman, L. Sassaman,
M Taylor, Marcel Waldvogel, Marco d'Itri, Marco Parrone, Marcus
Brinkmann, Mark Adler, Mark Elbrecht, Mark Pettit, Markus Friedl, Martin
Kahlert, Martin Hamilton, Martin Schulte, Matt Kraai, Matthew Skala,
Matthew Wilcox, Matthias Urlichs, Max Valianskiy, Michael Engels,
Michael Fischer v.  Mollard, Michael Roth, Michael Sobolev, Michael
Tokarev, Nicolas Graner, Mike McEwan, Neal H Walfield, Nelson H. F.
Beebe, NIIBE Yutaka, Niklas Hernaeus, Nimrod Zimerman, N J Doye, Oliver
Haakert, Oskari Jääskeläinen, Pascal Scheffers, Paul D. Smith, Per
Cederqvist, Phil Blundell, Philippe Laliberte, Peter Fales, Peter
Gutmann, Peter Marschall, Peter Valchev, Piotr Krukowiecki, QingLong,
Ralph Gillen, Rat, Reinhard Wobst, Rémi Guyomarch, Reuben Sumner,
Richard Outerbridge, Robert Joop, Roddy Strachan, Roger Sondermann,
Roland Rosenfeld, Roman Pavlik, Ross Golder, Ryan Malayter, Sam Roberts,
Sami Tolvanen, Sean MacLennan, Sebastian Klemke, Serge Munhoven, SL
Baur, Stefan Bellon, Dr.Stefan.Dalibor, Stefan Karrmann, Stefan Keller,
Steffen Ullrich, Steffen Zahn, Steven Bakker, Steven Murdoch, Susanne
Schultz, Ted Cabeen, Thiago Jung Bauermann, Thijmen Klok, Thomas
Roessler, Tim Mooney, Timo Schulz, Todd Vierling, TOGAWA Satoshi, Tom
Spindler, Tom Zerucha, Tomas Fasth, Tommi Komulainen, Thomas Klausner,
Tomasz Kozlowski, Thomas Mikkelsen, Ulf Möller, Urko Lusa, Vincent P.
Broman, Volker Quetschke, W Lewis, Walter Hofmann, Walter Koch, Wayne
Chapeskie, Wim Vandeputte, Winona Brown, Yosiaki IIDA, Yoshihiro Kajiki
and Gerlinde Klaes.

   This software has been made possible by the previous work of Chris
Wedgwood, Jean-loup Gailly, Jon Callas, Mark Adler, Martin Hellman, Paul
Kendall, Philip R. Zimmermann, Peter Gutmann, Philip A. Nelson, Taher
Elgamal, Torbjorn Granlund, Whitfield Diffie, some unknown NSA
mathematicians and all the folks who have worked hard to create complete
and free operating systems.

   And finally we'd like to thank everyone who uses these tools, submits
bug reports and generally reminds us why we're doing this work in the
first place.


File: gnupg.info,  Node: Glossary,  Next: Option Index,  Prev: Contributors,  Up: Top

Glossary
********

'ARL'
     The _Authority Revocation List_ is technical identical to a CRL but
     used for CAs and not for end user certificates.

'Chain model'
     Verification model for X.509 which uses the creation date of a
     signature as the date the validation starts and in turn checks that
     each certificate has been issued within the time frame, the issuing
     certificate was valid.  This allows the verification of signatures
     after the CA's certificate expired.  The validation test also
     required an online check of the certificate status.  The chain
     model is required by the German signature law.  See also _Shell
     model_.

'CMS'
     The _Cryptographic Message Standard_ describes a message format for
     encryption and digital signing.  It is closely related to the X.509
     certificate format.  CMS was formerly known under the name 'PKCS#7'
     and is described by 'RFC3369'.

'CRL'
     The _Certificate Revocation List_ is a list containing certificates
     revoked by the issuer.

'CSR'
     The _Certificate Signing Request_ is a message send to a CA to ask
     them to issue a new certificate.  The data format of such a signing
     request is called PCKS#10.

'OpenPGP'
     A data format used to build a PKI and to exchange encrypted or
     signed messages.  In contrast to X.509, OpenPGP also includes the
     message format but does not explicitly demand a specific PKI.
     However any kind of PKI may be build upon the OpenPGP protocol.

'Keygrip'
     This term is used by GnuPG to describe a 20 byte hash value used to
     identify a certain key without referencing to a concrete protocol.
     It is used internally to access a private key.  Usually it is shown
     and entered as a 40 character hexadecimal formatted string.

'OCSP'
     The _Online Certificate Status Protocol_ is used as an alternative
     to a CRL.  It is described in 'RFC 2560'.

'PSE'
     The _Personal Security Environment_ describes a database to store
     private keys.  This is either a smartcard or a collection of files
     on a disk; the latter is often called a Soft-PSE.

'Shell model'
     The standard model for validation of certificates under X.509.  At
     the time of the verification all certificates must be valid and not
     expired.  See also _Chain model_.

'X.509'
     Description of a PKI used with CMS. It is for example defined by
     'RFC3280'.


File: gnupg.info,  Node: Option Index,  Next: Environment Index,  Prev: Glossary,  Up: Top

Option Index
************

[index]
* Menu:

* add-servers:                           Dirmngr Options.     (line 263)
* agent-program:                         GPG Configuration Options.
                                                              (line 733)
* agent-program <1>:                     Configuration Options.
                                                              (line  46)
* agent-program <2>:                     Invoking gpg-connect-agent.
                                                              (line  42)
* allow-admin:                           Scdaemon Options.    (line 197)
* allow-emacs-pinentry:                  Agent Options.       (line 187)
* allow-freeform-uid:                    GPG Esoteric Options.
                                                              (line 367)
* allow-loopback-pinentry:               Agent Options.       (line 169)
* allow-multiple-messages:               GPG Esoteric Options.
                                                              (line 542)
* allow-non-selfsigned-uid:              GPG Esoteric Options.
                                                              (line 362)
* allow-ocsp:                            Dirmngr Options.     (line 280)
* allow-preset-passphrase:               Agent Options.       (line 164)
* allow-secret-key-import:               GPG Esoteric Options.
                                                              (line 538)
* allow-version-check:                   Dirmngr Options.     (line 135)
* allow-weak-digest-algos:               GPG Esoteric Options.
                                                              (line 403)
* allow-weak-key-signatures:             GPG Esoteric Options.
                                                              (line 419)
* always-trust:                          Deprecated Options.  (line  21)
* armor:                                 GPG Input and Output.
                                                              (line   8)
* armor <1>:                             Input and Output.    (line   8)
* ask-cert-expire:                       GPG Esoteric Options.
                                                              (line 514)
* ask-cert-level:                        GPG Configuration Options.
                                                              (line 347)
* ask-sig-expire:                        GPG Esoteric Options.
                                                              (line 500)
* assume-armor:                          Input and Output.    (line  14)
* assume-base64:                         Input and Output.    (line  18)
* assume-binary:                         Input and Output.    (line  21)
* attribute-fd:                          GPG Esoteric Options.
                                                              (line  92)
* attribute-file:                        GPG Esoteric Options.
                                                              (line  98)
* auto-check-trustdb:                    GPG Configuration Options.
                                                              (line 720)
* auto-expand-secmem:                    Agent Options.       (line 419)
* auto-issuer-key-retrieve:              Certificate Options. (line  62)
* auto-key-import:                       GPG Configuration Options.
                                                              (line 554)
* auto-key-locate:                       GPG Configuration Options.
                                                              (line 494)
* auto-key-retrieve:                     GPG Configuration Options.
                                                              (line 566)
* base64:                                Input and Output.    (line  11)
* batch:                                 Agent Options.       (line  48)
* batch <1>:                             GPG Configuration Options.
                                                              (line  43)
* bzip2-compress-level:                  GPG Configuration Options.
                                                              (line 321)
* bzip2-decompress-lowmem:               GPG Configuration Options.
                                                              (line 331)
* c:                                     Dirmngr Options.     (line  87)
* cache-cert:                            dirmngr-client.      (line  72)
* call-dirmngr:                          Operational GPGSM Commands.
                                                              (line  27)
* call-protect-tool:                     Operational GPGSM Commands.
                                                              (line  41)
* card-edit:                             Operational GPG Commands.
                                                              (line 205)
* card-status:                           Operational GPG Commands.
                                                              (line 211)
* card-timeout:                          Scdaemon Options.    (line 173)
* cert-digest-algo:                      GPG Esoteric Options.
                                                              (line 238)
* cert-notation:                         GPG Esoteric Options.
                                                              (line 124)
* cert-policy-url:                       GPG Esoteric Options.
                                                              (line 160)
* change-passphrase:                     OpenPGP Key Management.
                                                              (line 449)
* change-passphrase <1>:                 Certificate Management.
                                                              (line 109)
* change-pin:                            Operational GPG Commands.
                                                              (line 214)
* check-passphrase-pattern:              Agent Options.       (line 240)
* check-signatures:                      Operational GPG Commands.
                                                              (line 140)
* check-sigs:                            Operational GPG Commands.
                                                              (line 141)
* check-trustdb:                         Operational GPG Commands.
                                                              (line 344)
* cipher-algo:                           GPG Esoteric Options.
                                                              (line 199)
* cipher-algo <1>:                       CMS Options.         (line  13)
* clear-sign:                            Operational GPG Commands.
                                                              (line  17)
* clearsign:                             Operational GPG Commands.
                                                              (line  18)
* cms:                                   gpgtar.              (line  99)
* command-fd:                            GPG Esoteric Options.
                                                              (line 350)
* command-file:                          GPG Esoteric Options.
                                                              (line 357)
* comment:                               GPG Esoteric Options.
                                                              (line 103)
* compliance:                            Compliance Options.  (line  67)
* compliant-needed:                      GPG Configuration Options.
                                                              (line 695)
* compress-algo:                         GPG Esoteric Options.
                                                              (line 215)
* compress-level:                        GPG Configuration Options.
                                                              (line 321)
* connect-quick-timeout:                 Dirmngr Options.     (line 122)
* connect-timeout:                       Dirmngr Options.     (line 122)
* create:                                gpgtar.              (line  16)
* create-socketdir:                      Invoking gpgconf.    (line  91)
* csh:                                   Agent Options.       (line 138)
* csh <1>:                               Dirmngr Options.     (line  87)
* ctapi-driver:                          Scdaemon Options.    (line 150)
* daemon:                                Agent Commands.      (line  27)
* daemon <1>:                            Dirmngr Commands.    (line  27)
* daemon <2>:                            Scdaemon Commands.   (line  31)
* dearmor:                               Operational GPG Commands.
                                                              (line 398)
* debug:                                 Agent Options.       (line  82)
* debug <1>:                             Dirmngr Options.     (line  59)
* debug <2>:                             GPG Esoteric Options.
                                                              (line  47)
* debug <3>:                             Esoteric Options.    (line  54)
* debug <4>:                             Scdaemon Options.    (line  69)
* debug-all:                             Agent Options.       (line 106)
* debug-all <1>:                         Dirmngr Options.     (line  66)
* debug-all <2>:                         GPG Esoteric Options.
                                                              (line  53)
* debug-all <3>:                         Esoteric Options.    (line  81)
* debug-all <4>:                         Scdaemon Options.    (line  96)
* debug-allow-core-dump:                 Esoteric Options.    (line  84)
* debug-allow-core-dump <1>:             Scdaemon Options.    (line 113)
* debug-assuan-log-cats:                 Scdaemon Options.    (line 122)
* debug-disable-ticker:                  Scdaemon Options.    (line 109)
* debug-ignore-expiration:               Esoteric Options.    (line  95)
* debug-iolbf:                           GPG Esoteric Options.
                                                              (line  56)
* debug-level:                           Agent Options.       (line  57)
* debug-level <1>:                       Dirmngr Options.     (line  34)
* debug-level <2>:                       GPG Esoteric Options.
                                                              (line  22)
* debug-level <3>:                       Esoteric Options.    (line  29)
* debug-level <4>:                       Scdaemon Options.    (line  40)
* debug-log-tid:                         Scdaemon Options.    (line 119)
* debug-no-chain-validation:             Esoteric Options.    (line  91)
* debug-pinentry:                        Agent Options.       (line 126)
* debug-quick-random:                    Agent Options.       (line 114)
* debug-wait:                            Agent Options.       (line 109)
* debug-wait <1>:                        Dirmngr Options.     (line  74)
* debug-wait <2>:                        Scdaemon Options.    (line  99)
* debug-wait <3>:                        Scdaemon Options.    (line 104)
* decode:                                Invoking gpg-connect-agent.
                                                              (line  95)
* decrypt:                               Operational GPG Commands.
                                                              (line  59)
* decrypt <1>:                           Operational GPGSM Commands.
                                                              (line  11)
* decrypt <2>:                           gpgtar.              (line  29)
* decrypt-files:                         Operational GPG Commands.
                                                              (line 114)
* default-cache-ttl:                     Agent Options.       (line 198)
* default-cache-ttl <1>:                 Agent Options.       (line 207)
* default-cert-expire:                   GPG Esoteric Options.
                                                              (line 520)
* default-cert-level:                    GPG Configuration Options.
                                                              (line 355)
* default-key:                           GPG Configuration Options.
                                                              (line  10)
* default-key <1>:                       Input and Output.    (line  34)
* default-keyserver-url:                 GPG Esoteric Options.
                                                              (line 571)
* default-new-key-algo STRING:           GPG Esoteric Options.
                                                              (line 527)
* default-preference-list:               GPG Esoteric Options.
                                                              (line 566)
* default-recipient:                     GPG Configuration Options.
                                                              (line  19)
* default-recipient-self:                GPG Configuration Options.
                                                              (line  23)
* default-sig-expire:                    GPG Esoteric Options.
                                                              (line 506)
* delete-keys:                           Operational GPG Commands.
                                                              (line 219)
* delete-keys <1>:                       Certificate Management.
                                                              (line  60)
* delete-secret-and-public-key:          Operational GPG Commands.
                                                              (line 239)
* delete-secret-keys:                    Operational GPG Commands.
                                                              (line 228)
* deny-admin:                            Scdaemon Options.    (line 197)
* desig-revoke:                          OpenPGP Key Management.
                                                              (line 134)
* detach-sign:                           Operational GPG Commands.
                                                              (line  28)
* digest-algo:                           GPG Esoteric Options.
                                                              (line 208)
* directory:                             gpgtar.              (line  76)
* directory <1>:                         gpg-wks-client.      (line 115)
* directory <2>:                         gpg-wks-server.      (line  50)
* dirmngr:                               Invoking gpg-connect-agent.
                                                              (line  54)
* dirmngr-program:                       GPG Configuration Options.
                                                              (line 740)
* dirmngr-program <1>:                   Configuration Options.
                                                              (line  52)
* dirmngr-program <2>:                   Invoking gpg-connect-agent.
                                                              (line  49)
* disable-application:                   Scdaemon Options.    (line 207)
* disable-ccid:                          Scdaemon Options.    (line 155)
* disable-check-own-socket:              Agent Options.       (line 305)
* disable-check-own-socket <1>:          Dirmngr Options.     (line  79)
* disable-cipher-algo:                   GPG Esoteric Options.
                                                              (line 246)
* disable-crl-checks:                    Certificate Options. (line  13)
* disable-dsa2:                          GPG Configuration Options.
                                                              (line 191)
* disable-extended-key-format:           Agent Options.       (line 351)
* disable-http:                          Dirmngr Options.     (line 202)
* disable-ipv4:                          Dirmngr Options.     (line 196)
* disable-ipv6:                          Dirmngr Options.     (line 196)
* disable-large-rsa:                     GPG Configuration Options.
                                                              (line 182)
* disable-ldap:                          Dirmngr Options.     (line 199)
* disable-mdc:                           OpenPGP Options.     (line  25)
* disable-ocsp:                          Certificate Options. (line  53)
* disable-pinpad:                        Scdaemon Options.    (line 194)
* disable-policy-checks:                 Certificate Options. (line   8)
* disable-pubkey-algo:                   GPG Esoteric Options.
                                                              (line 251)
* disable-scdaemon:                      Agent Options.       (line 299)
* disable-signer-uid:                    OpenPGP Options.     (line  31)
* disable-trusted-cert-crl-check:        Certificate Options. (line  24)
* display:                               Agent Options.       (line 323)
* display-charset:                       GPG Configuration Options.
                                                              (line 276)
* display-charset:iso-8859-1:            GPG Configuration Options.
                                                              (line 285)
* display-charset:iso-8859-15:           GPG Configuration Options.
                                                              (line 291)
* display-charset:iso-8859-2:            GPG Configuration Options.
                                                              (line 288)
* display-charset:koi8-r:                GPG Configuration Options.
                                                              (line 294)
* display-charset:utf-8:                 GPG Configuration Options.
                                                              (line 297)
* dry-run:                               GPG Esoteric Options.
                                                              (line   8)
* dry-run <1>:                           gpgtar.              (line  72)
* dump-cert:                             Certificate Management.
                                                              (line  36)
* dump-chain:                            Certificate Management.
                                                              (line  40)
* dump-external-keys:                    Certificate Management.
                                                              (line  47)
* dump-keys:                             Certificate Management.
                                                              (line  36)
* dump-options:                          Agent Commands.      (line  19)
* dump-options <1>:                      Dirmngr Commands.    (line  18)
* dump-options <2>:                      General GPG Commands.
                                                              (line  20)
* dump-options <3>:                      General GPGSM Commands.
                                                              (line  19)
* dump-options <4>:                      Scdaemon Commands.   (line  18)
* dump-secret-keys:                      Certificate Management.
                                                              (line  43)
* edit-card:                             Operational GPG Commands.
                                                              (line 204)
* edit-key:                              OpenPGP Key Management.
                                                              (line 139)
* emit-version:                          GPG Esoteric Options.
                                                              (line 114)
* enable-crl-checks:                     Certificate Options. (line  13)
* enable-dsa2:                           GPG Configuration Options.
                                                              (line 191)
* enable-extended-key-format:            Agent Options.       (line 351)
* enable-issuer-based-crl-check:         Certificate Options. (line  45)
* enable-large-rsa:                      GPG Configuration Options.
                                                              (line 182)
* enable-ocsp:                           Certificate Options. (line  53)
* enable-passphrase-history:             Agent Options.       (line 259)
* enable-pinpad-varlen:                  Scdaemon Options.    (line 186)
* enable-policy-checks:                  Certificate Options. (line   8)
* enable-progress-filter:                GPG Esoteric Options.
                                                              (line  69)
* enable-putty-support:                  Agent Options.       (line 365)
* enable-special-filenames:              GPG Esoteric Options.
                                                              (line 553)
* enable-special-filenames <1>:          gpgv.                (line  97)
* enable-ssh-support:                    Agent Options.       (line 365)
* enable-trusted-cert-crl-check:         Certificate Options. (line  24)
* enarmor:                               Operational GPG Commands.
                                                              (line 398)
* encrypt:                               Operational GPG Commands.
                                                              (line  32)
* encrypt <1>:                           Operational GPGSM Commands.
                                                              (line   7)
* encrypt <2>:                           gpgtar.              (line  23)
* encrypt-files:                         Operational GPG Commands.
                                                              (line 111)
* encrypt-to:                            GPG Key related Options.
                                                              (line  35)
* enforce-passphrase-constraints:        Agent Options.       (line 225)
* escape-from-lines:                     GPG Esoteric Options.
                                                              (line 276)
* exec:                                  Invoking gpg-connect-agent.
                                                              (line  65)
* exec-path:                             GPG Configuration Options.
                                                              (line 220)
* exit-on-status-write-error:            GPG Configuration Options.
                                                              (line 769)
* expert:                                GPG Configuration Options.
                                                              (line 824)
* export:                                Operational GPG Commands.
                                                              (line 245)
* export <1>:                            Certificate Management.
                                                              (line  69)
* export-filter:                         GPG Input and Output.
                                                              (line 131)
* export-options:                        GPG Input and Output.
                                                              (line 220)
* export-ownertrust:                     Operational GPG Commands.
                                                              (line 359)
* export-secret-key-p12:                 Certificate Management.
                                                              (line  82)
* export-secret-key-p8:                  Certificate Management.
                                                              (line  91)
* export-secret-key-raw:                 Certificate Management.
                                                              (line  91)
* export-secret-keys:                    Operational GPG Commands.
                                                              (line 263)
* export-secret-subkeys:                 Operational GPG Commands.
                                                              (line 263)
* export-ssh-key:                        Operational GPG Commands.
                                                              (line 285)
* extra-digest-algo:                     Esoteric Options.    (line   7)
* extra-socket:                          Agent Options.       (line 337)
* extract:                               gpgtar.              (line  19)
* faked-system-time:                     Agent Options.       (line  52)
* faked-system-time <1>:                 GPG Esoteric Options.
                                                              (line  60)
* faked-system-time <2>:                 Esoteric Options.    (line  18)
* fast-list-mode:                        GPG Esoteric Options.
                                                              (line 455)
* fetch-crl:                             Dirmngr Commands.    (line  52)
* fetch-keys:                            Operational GPG Commands.
                                                              (line 328)
* fingerprint:                           Operational GPG Commands.
                                                              (line 189)
* fixed-list-mode:                       GPG Input and Output.
                                                              (line 284)
* flush:                                 Dirmngr Commands.    (line  62)
* for-your-eyes-only:                    GPG Esoteric Options.
                                                              (line 185)
* force:                                 Dirmngr Options.     (line  93)
* force <1>:                             watchgnupg.          (line  23)
* force-crl-refresh:                     Certificate Options. (line  35)
* force-default-responder:               dirmngr-client.      (line  64)
* force-mdc:                             OpenPGP Options.     (line  25)
* forget:                                Invoking gpg-preset-passphrase.
                                                              (line  26)
* from:                                  gpg-wks-server.      (line  54)
* full-gen-key:                          OpenPGP Key Management.
                                                              (line 111)
* full-generate-key:                     OpenPGP Key Management.
                                                              (line 110)
* gen-key:                               OpenPGP Key Management.
                                                              (line 104)
* gen-key <1>:                           Certificate Management.
                                                              (line   8)
* gen-prime:                             Operational GPG Commands.
                                                              (line 393)
* gen-random:                            Operational GPG Commands.
                                                              (line 386)
* gen-revoke:                            OpenPGP Key Management.
                                                              (line 120)
* generate-designated-revocation:        OpenPGP Key Management.
                                                              (line 133)
* generate-key:                          OpenPGP Key Management.
                                                              (line 103)
* generate-key <1>:                      Certificate Management.
                                                              (line   7)
* generate-revocation:                   OpenPGP Key Management.
                                                              (line 119)
* gnupg:                                 Compliance Options.  (line  12)
* gpg:                                   gpgtar.              (line 110)
* gpg-agent-info:                        GPG Configuration Options.
                                                              (line 730)
* gpg-args:                              gpgtar.              (line 113)
* gpgconf-list:                          GPG Esoteric Options.
                                                              (line 587)
* gpgconf-test:                          GPG Esoteric Options.
                                                              (line 591)
* grab:                                  Agent Options.       (line 145)
* group:                                 GPG Key related Options.
                                                              (line  55)
* header:                                gpg-wks-server.      (line  57)
* help:                                  Agent Commands.      (line  15)
* help <1>:                              Dirmngr Commands.    (line  14)
* help <2>:                              General GPG Commands.
                                                              (line  12)
* help <3>:                              General GPGSM Commands.
                                                              (line  11)
* help <4>:                              Scdaemon Commands.   (line  14)
* help <5>:                              watchgnupg.          (line  39)
* help <6>:                              dirmngr-client.      (line  44)
* help <7>:                              gpgtar.              (line 125)
* help <8>:                              gpg-wks-client.      (line 128)
* help <9>:                              gpg-wks-server.      (line  87)
* hex:                                   Invoking gpg-connect-agent.
                                                              (line  91)
* hidden-encrypt-to:                     GPG Key related Options.
                                                              (line  43)
* hidden-recipient:                      GPG Key related Options.
                                                              (line  14)
* hidden-recipient-file:                 GPG Key related Options.
                                                              (line  29)
* homedir:                               Agent Options.       (line  17)
* homedir <1>:                           GPG Configuration Options.
                                                              (line 255)
* homedir <2>:                           Configuration Options.
                                                              (line  16)
* homedir <3>:                           Scdaemon Options.    (line  13)
* homedir <4>:                           gpgv.                (line  69)
* homedir <5>:                           Invoking gpgconf.    (line 115)
* homedir <6>:                           Invoking gpg-connect-agent.
                                                              (line  21)
* homedir <7>:                           Invoking symcryptrun.
                                                              (line  36)
* honor-http-proxy:                      Dirmngr Options.     (line 221)
* http-proxy:                            Dirmngr Options.     (line 225)
* ignore-cache-for-signing:              Agent Options.       (line 192)
* ignore-cert-extension:                 Dirmngr Options.     (line 329)
* ignore-cert-extension <1>:             Certificate Options. (line  82)
* ignore-crc-error:                      GPG Esoteric Options.
                                                              (line 387)
* ignore-http-dp:                        Dirmngr Options.     (line 205)
* ignore-ldap-dp:                        Dirmngr Options.     (line 212)
* ignore-mdc-error:                      GPG Esoteric Options.
                                                              (line 394)
* ignore-ocsp-service-url:               Dirmngr Options.     (line 217)
* ignore-time-conflict:                  GPG Esoteric Options.
                                                              (line 373)
* ignore-time-conflict <1>:              gpgv.                (line  63)
* ignore-valid-from:                     GPG Esoteric Options.
                                                              (line 380)
* import:                                Operational GPG Commands.
                                                              (line 299)
* import <1>:                            Certificate Management.
                                                              (line  99)
* import-filter:                         GPG Input and Output.
                                                              (line 131)
* import-options:                        GPG Input and Output.
                                                              (line  45)
* import-ownertrust:                     Operational GPG Commands.
                                                              (line 365)
* include-certs:                         CMS Options.         (line   7)
* include-key-block:                     OpenPGP Options.     (line  38)
* input-size-hint:                       GPG Input and Output.
                                                              (line  29)
* interactive:                           GPG Esoteric Options.
                                                              (line  19)
* keep-display:                          Agent Options.       (line 328)
* keep-tty:                              Agent Options.       (line 328)
* key-origin:                            GPG Input and Output.
                                                              (line  37)
* keydb-clear-some-cert-flags:           Certificate Management.
                                                              (line  52)
* keyedit:addcardkey:                    OpenPGP Key Management.
                                                              (line 281)
* keyedit:addkey:                        OpenPGP Key Management.
                                                              (line 278)
* keyedit:addphoto:                      OpenPGP Key Management.
                                                              (line 201)
* keyedit:addrevoker:                    OpenPGP Key Management.
                                                              (line 330)
* keyedit:adduid:                        OpenPGP Key Management.
                                                              (line 198)
* keyedit:bkuptocard:                    OpenPGP Key Management.
                                                              (line 295)
* keyedit:change-usage:                  OpenPGP Key Management.
                                                              (line 357)
* keyedit:check:                         OpenPGP Key Management.
                                                              (line 194)
* keyedit:clean:                         OpenPGP Key Management.
                                                              (line 343)
* keyedit:cross-certify:                 OpenPGP Key Management.
                                                              (line 366)
* keyedit:delkey:                        OpenPGP Key Management.
                                                              (line 306)
* keyedit:delsig:                        OpenPGP Key Management.
                                                              (line 184)
* keyedit:deluid:                        OpenPGP Key Management.
                                                              (line 211)
* keyedit:disable:                       OpenPGP Key Management.
                                                              (line 326)
* keyedit:enable:                        OpenPGP Key Management.
                                                              (line 326)
* keyedit:expire:                        OpenPGP Key Management.
                                                              (line 315)
* keyedit:key:                           OpenPGP Key Management.
                                                              (line 148)
* keyedit:keyserver:                     OpenPGP Key Management.
                                                              (line 228)
* keyedit:keytocard:                     OpenPGP Key Management.
                                                              (line 284)
* keyedit:lsign:                         OpenPGP Key Management.
                                                              (line 159)
* keyedit:minimize:                      OpenPGP Key Management.
                                                              (line 352)
* keyedit:notation:                      OpenPGP Key Management.
                                                              (line 235)
* keyedit:nrsign:                        OpenPGP Key Management.
                                                              (line 164)
* keyedit:passwd:                        OpenPGP Key Management.
                                                              (line 336)
* keyedit:pref:                          OpenPGP Key Management.
                                                              (line 243)
* keyedit:primary:                       OpenPGP Key Management.
                                                              (line 220)
* keyedit:quit:                          OpenPGP Key Management.
                                                              (line 377)
* keyedit:revkey:                        OpenPGP Key Management.
                                                              (line 312)
* keyedit:revsig:                        OpenPGP Key Management.
                                                              (line 189)
* keyedit:revuid:                        OpenPGP Key Management.
                                                              (line 217)
* keyedit:save:                          OpenPGP Key Management.
                                                              (line 374)
* keyedit:setpref:                       OpenPGP Key Management.
                                                              (line 255)
* keyedit:showphoto:                     OpenPGP Key Management.
                                                              (line 208)
* keyedit:showpref:                      OpenPGP Key Management.
                                                              (line 247)
* keyedit:sign:                          OpenPGP Key Management.
                                                              (line 152)
* keyedit:toggle:                        OpenPGP Key Management.
                                                              (line 339)
* keyedit:trust:                         OpenPGP Key Management.
                                                              (line 321)
* keyedit:tsign:                         OpenPGP Key Management.
                                                              (line 168)
* keyedit:uid:                           OpenPGP Key Management.
                                                              (line 144)
* keyid-format:                          GPG Configuration Options.
                                                              (line 603)
* keyring:                               GPG Configuration Options.
                                                              (line 224)
* keyring <1>:                           gpgv.                (line  38)
* keyserver:                             Dirmngr Options.     (line 145)
* keyserver <1>:                         GPG Configuration Options.
                                                              (line 612)
* keyserver-options:                     GPG Configuration Options.
                                                              (line 635)
* kill:                                  Invoking gpgconf.    (line  84)
* known-notation:                        GPG Esoteric Options.
                                                              (line 151)
* launch:                                Invoking gpgconf.    (line  76)
* lc-ctype:                              Agent Options.       (line 323)
* lc-messages:                           Agent Options.       (line 323)
* ldap-proxy:                            Dirmngr Options.     (line 230)
* ldapserverlist-file:                   Dirmngr Options.     (line 241)
* ldaptimeout:                           Dirmngr Options.     (line 259)
* learn-card:                            Certificate Management.
                                                              (line 104)
* legacy-list-mode:                      GPG Input and Output.
                                                              (line 290)
* limit-card-insert-tries:               GPG Configuration Options.
                                                              (line 778)
* list-archive:                          gpgtar.              (line  39)
* list-chain:                            Certificate Management.
                                                              (line  32)
* list-config:                           GPG Esoteric Options.
                                                              (line 576)
* list-crls:                             Dirmngr Commands.    (line  40)
* list-gcrypt-config:                    GPG Esoteric Options.
                                                              (line 584)
* list-keys:                             Operational GPG Commands.
                                                              (line 119)
* list-keys <1>:                         Certificate Management.
                                                              (line  17)
* list-keys <2>:                         Certificate Management.
                                                              (line  28)
* list-only:                             GPG Esoteric Options.
                                                              (line  11)
* list-options:                          GPG Configuration Options.
                                                              (line  66)
* list-options:show-keyring:             GPG Configuration Options.
                                                              (line 114)
* list-options:show-keyserver-urls:      GPG Configuration Options.
                                                              (line  98)
* list-options:show-notations:           GPG Configuration Options.
                                                              (line  94)
* list-options:show-only-fpr-mbox:       GPG Configuration Options.
                                                              (line 129)
* list-options:show-photos:              GPG Configuration Options.
                                                              (line  74)
* list-options:show-policy-urls:         GPG Configuration Options.
                                                              (line  88)
* list-options:show-sig-expire:          GPG Configuration Options.
                                                              (line 118)
* list-options:show-sig-subpackets:      GPG Configuration Options.
                                                              (line 122)
* list-options:show-std-notations:       GPG Configuration Options.
                                                              (line  94)
* list-options:show-uid-validity:        GPG Configuration Options.
                                                              (line 102)
* list-options:show-unusable-subkeys:    GPG Configuration Options.
                                                              (line 110)
* list-options:show-unusable-uids:       GPG Configuration Options.
                                                              (line 106)
* list-options:show-usage:               GPG Configuration Options.
                                                              (line  82)
* list-options:show-user-notations:      GPG Configuration Options.
                                                              (line  94)
* list-packets:                          Operational GPG Commands.
                                                              (line 198)
* list-secret-keys:                      Operational GPG Commands.
                                                              (line 130)
* list-secret-keys <1>:                  Certificate Management.
                                                              (line  24)
* list-signatures:                       GPG Esoteric Options.
                                                              (line 443)
* list-sigs:                             GPG Esoteric Options.
                                                              (line 444)
* listen-backlog:                        Agent Options.       (line 333)
* listen-backlog <1>:                    Dirmngr Options.     (line 131)
* listen-backlog <2>:                    Scdaemon Options.    (line 135)
* load-crl:                              Dirmngr Commands.    (line  44)
* load-crl <1>:                          dirmngr-client.      (line  80)
* local-user:                            GPG Key related Options.
                                                              (line  77)
* local-user <1>:                        Input and Output.    (line  41)
* local-user <2>:                        gpgtar.              (line  53)
* locate-external-keys:                  Operational GPG Commands.
                                                              (line 170)
* locate-keys:                           Operational GPG Commands.
                                                              (line 170)
* lock-multiple:                         GPG Configuration Options.
                                                              (line 758)
* lock-never:                            GPG Configuration Options.
                                                              (line 762)
* lock-once:                             GPG Configuration Options.
                                                              (line 754)
* log-file:                              Agent Options.       (line 151)
* log-file <1>:                          Dirmngr Options.     (line  30)
* log-file <2>:                          GPG Esoteric Options.
                                                              (line  86)
* log-file <3>:                          Configuration Options.
                                                              (line  73)
* log-file <4>:                          Scdaemon Options.    (line 140)
* log-file <5>:                          gpgv.                (line  59)
* log-file <6>:                          Invoking symcryptrun.
                                                              (line  57)
* logger-fd:                             GPG Esoteric Options.
                                                              (line  82)
* logger-fd <1>:                         gpgv.                (line  56)
* lookup:                                dirmngr-client.      (line  86)
* lsign-key:                             OpenPGP Key Management.
                                                              (line 392)
* mangle-dos-filenames:                  GPG Configuration Options.
                                                              (line 339)
* marginals-needed:                      GPG Configuration Options.
                                                              (line 699)
* max-cache-ttl:                         Agent Options.       (line 213)
* max-cache-ttl-ssh:                     Agent Options.       (line 219)
* max-cert-depth:                        GPG Configuration Options.
                                                              (line 707)
* max-output:                            GPG Input and Output.
                                                              (line  19)
* max-passphrase-days:                   Agent Options.       (line 254)
* max-replies:                           Dirmngr Options.     (line 326)
* min-cert-level:                        GPG Configuration Options.
                                                              (line 384)
* min-passphrase-len:                    Agent Options.       (line 229)
* min-passphrase-nonalpha:               Agent Options.       (line 234)
* multi-server:                          Scdaemon Commands.   (line  26)
* multifile:                             Operational GPG Commands.
                                                              (line 100)
* nameserver:                            Dirmngr Options.     (line 188)
* no:                                    GPG Configuration Options.
                                                              (line  63)
* no-allow-external-cache:               Agent Options.       (line 177)
* no-allow-loopback-pinentry:            Agent Options.       (line 169)
* no-allow-mark-trusted:                 Agent Options.       (line 159)
* no-armor:                              GPG Input and Output.
                                                              (line  12)
* no-auto-key-import:                    GPG Configuration Options.
                                                              (line 554)
* no-auto-key-retrieve:                  GPG Configuration Options.
                                                              (line 566)
* no-autostart:                          GPG Configuration Options.
                                                              (line 747)
* no-autostart <1>:                      Configuration Options.
                                                              (line  62)
* no-autostart <2>:                      Invoking gpg-connect-agent.
                                                              (line  77)
* no-batch:                              GPG Configuration Options.
                                                              (line  43)
* no-common-certs-import:                Esoteric Options.    (line 132)
* no-default-keyring:                    GPG Esoteric Options.
                                                              (line 424)
* no-default-recipient:                  GPG Configuration Options.
                                                              (line  29)
* no-detach:                             Agent Options.       (line 131)
* no-detach <1>:                         Scdaemon Options.    (line 131)
* no-encrypt-to:                         GPG Key related Options.
                                                              (line  51)
* no-expensive-trust-checks:             GPG Esoteric Options.
                                                              (line 558)
* no-ext-connect:                        Invoking gpg-connect-agent.
                                                              (line  72)
* no-grab:                               Agent Options.       (line 145)
* no-greeting:                           GPG Configuration Options.
                                                              (line 792)
* no-groups:                             GPG Key related Options.
                                                              (line  73)
* no-keyring:                            GPG Esoteric Options.
                                                              (line 431)
* no-literal:                            GPG Esoteric Options.
                                                              (line 463)
* no-mangle-dos-filenames:               GPG Configuration Options.
                                                              (line 339)
* no-options:                            GPG Configuration Options.
                                                              (line 314)
* no-random-seed-file:                   GPG Configuration Options.
                                                              (line 786)
* no-secmem-warning:                     GPG Configuration Options.
                                                              (line 795)
* no-secmem-warning <1>:                 Configuration Options.
                                                              (line  69)
* no-sig-cache:                          GPG Configuration Options.
                                                              (line 710)
* no-skip-hidden-recipients:             GPG Key related Options.
                                                              (line 108)
* no-symkey-cache:                       GPG Esoteric Options.
                                                              (line 337)
* no-tty:                                GPG Configuration Options.
                                                              (line  55)
* no-use-standard-socket:                Agent Options.       (line 313)
* no-use-tor:                            Dirmngr Options.     (line  98)
* no-verbose:                            GPG Configuration Options.
                                                              (line  36)
* not-dash-escaped:                      GPG Esoteric Options.
                                                              (line 266)
* null:                                  gpgtar.              (line  86)
* ocsp:                                  dirmngr-client.      (line  61)
* ocsp-current-period:                   Dirmngr Options.     (line 321)
* ocsp-max-clock-skew:                   Dirmngr Options.     (line 313)
* ocsp-max-period:                       Dirmngr Options.     (line 317)
* ocsp-responder:                        Dirmngr Options.     (line 287)
* ocsp-signer:                           Dirmngr Options.     (line 292)
* only-ldap-proxy:                       Dirmngr Options.     (line 236)
* openpgp:                               Compliance Options.  (line  19)
* openpgp <1>:                           gpgtar.              (line  95)
* options:                               Agent Options.       (line  10)
* options <1>:                           Dirmngr Options.     (line  11)
* options <2>:                           Dirmngr Options.     (line  16)
* options <3>:                           GPG Configuration Options.
                                                              (line 309)
* options <4>:                           Configuration Options.
                                                              (line  10)
* options <5>:                           Scdaemon Options.    (line   7)
* output:                                GPG Input and Output.
                                                              (line  16)
* output <1>:                            Input and Output.    (line  51)
* output <2>:                            gpgv.                (line  45)
* output <3>:                            gpgtar.              (line  57)
* output <4>:                            gpg-wks-client.      (line 104)
* output <5>:                            gpg-wks-server.      (line  65)
* override-session-key:                  GPG Esoteric Options.
                                                              (line 487)
* p12-charset:                           Input and Output.    (line  24)
* passphrase:                            GPG Esoteric Options.
                                                              (line 312)
* passphrase <1>:                        Invoking gpg-preset-passphrase.
                                                              (line  36)
* passphrase-fd:                         GPG Esoteric Options.
                                                              (line 291)
* passphrase-fd <1>:                     Esoteric Options.    (line 100)
* passphrase-file:                       GPG Esoteric Options.
                                                              (line 301)
* passphrase-repeat:                     GPG Esoteric Options.
                                                              (line 283)
* passwd:                                OpenPGP Key Management.
                                                              (line 450)
* passwd <1>:                            Certificate Management.
                                                              (line 110)
* pcsc-driver:                           Scdaemon Options.    (line 144)
* pem:                                   dirmngr-client.      (line  58)
* permission-warning:                    GPG Configuration Options.
                                                              (line 798)
* personal-cipher-preferences:           OpenPGP Options.     (line  46)
* personal-compress-preferences:         OpenPGP Options.     (line  64)
* personal-digest-preferences:           OpenPGP Options.     (line  55)
* pgp6:                                  Compliance Options.  (line  44)
* pgp7:                                  Compliance Options.  (line  54)
* pgp8:                                  Compliance Options.  (line  60)
* photo-viewer:                          GPG Configuration Options.
                                                              (line 197)
* pinentry-invisible-char:               Agent Options.       (line 262)
* pinentry-mode:                         GPG Esoteric Options.
                                                              (line 322)
* pinentry-mode <1>:                     Esoteric Options.    (line 109)
* pinentry-program:                      Agent Options.       (line 273)
* pinentry-timeout:                      Agent Options.       (line 267)
* pinentry-touch-file:                   Agent Options.       (line 286)
* ping:                                  dirmngr-client.      (line  69)
* policy-file:                           Configuration Options.
                                                              (line  43)
* prefer-system-dirmngr:                 Configuration Options.
                                                              (line  56)
* preserve-permissions:                  GPG Esoteric Options.
                                                              (line 561)
* preset:                                Invoking gpg-preset-passphrase.
                                                              (line  22)
* primary-keyring:                       GPG Configuration Options.
                                                              (line 243)
* print-md:                              Operational GPG Commands.
                                                              (line 381)
* q:                                     Invoking gpg-connect-agent.
                                                              (line  18)
* q <1>:                                 Invoking symcryptrun.
                                                              (line  33)
* quick-add-key:                         OpenPGP Key Management.
                                                              (line  69)
* quick-add-uid:                         OpenPGP Key Management.
                                                              (line 417)
* quick-gen-key:                         OpenPGP Key Management.
                                                              (line  10)
* quick-generate-key:                    OpenPGP Key Management.
                                                              (line  10)
* quick-lsign-key:                       OpenPGP Key Management.
                                                              (line 398)
* quick-revoke-sig:                      OpenPGP Key Management.
                                                              (line 432)
* quick-revoke-uid:                      OpenPGP Key Management.
                                                              (line 424)
* quick-set-expire:                      OpenPGP Key Management.
                                                              (line  60)
* quick-set-primary-uid:                 OpenPGP Key Management.
                                                              (line 442)
* quick-sign-key:                        OpenPGP Key Management.
                                                              (line 398)
* quiet:                                 Agent Options.       (line  45)
* quiet <1>:                             GPG Configuration Options.
                                                              (line  39)
* quiet <2>:                             gpgv.                (line  35)
* quiet <3>:                             Invoking gpgconf.    (line 112)
* quiet <4>:                             Invoking gpg-connect-agent.
                                                              (line  18)
* quiet <5>:                             dirmngr-client.      (line  48)
* quiet <6>:                             Invoking symcryptrun.
                                                              (line  33)
* quiet <7>:                             gpgtar.              (line  65)
* quiet <8>:                             gpg-wks-client.      (line 122)
* quiet <9>:                             gpg-wks-server.      (line  81)
* raw-socket:                            Invoking gpg-connect-agent.
                                                              (line  59)
* reader-port:                           Scdaemon Options.    (line 161)
* rebuild-keydb-caches:                  Operational GPG Commands.
                                                              (line 375)
* receive-keys:                          Operational GPG Commands.
                                                              (line 308)
* recipient:                             GPG Key related Options.
                                                              (line   8)
* recipient <1>:                         Input and Output.    (line  46)
* recipient <2>:                         gpgtar.              (line  49)
* recipient-file:                        GPG Key related Options.
                                                              (line  22)
* recursive-resolver:                    Dirmngr Options.     (line 114)
* recv-keys:                             Operational GPG Commands.
                                                              (line 309)
* refresh-keys:                          Operational GPG Commands.
                                                              (line 312)
* reload:                                Invoking gpgconf.    (line  70)
* remove-socketdir:                      Invoking gpgconf.    (line  97)
* request-origin:                        GPG Esoteric Options.
                                                              (line 342)
* request-origin <1>:                    Esoteric Options.    (line 124)
* require-cross-certification:           GPG Configuration Options.
                                                              (line 817)
* require-secmem:                        GPG Configuration Options.
                                                              (line 812)
* resolver-timeout:                      Dirmngr Options.     (line 117)
* rfc2440:                               Compliance Options.  (line  37)
* rfc4880:                               Compliance Options.  (line  25)
* rfc4880bis:                            Compliance Options.  (line  30)
* run:                                   Invoking gpg-connect-agent.
                                                              (line  82)
* s:                                     Dirmngr Options.     (line  87)
* s2k-calibration:                       Agent Options.       (line 428)
* s2k-cipher-algo:                       OpenPGP Options.     (line  74)
* s2k-count:                             Agent Options.       (line 435)
* s2k-count <1>:                         OpenPGP Options.     (line  90)
* s2k-digest-algo:                       OpenPGP Options.     (line  79)
* s2k-mode:                              OpenPGP Options.     (line  83)
* scdaemon-program:                      Agent Options.       (line 295)
* search-keys:                           Operational GPG Commands.
                                                              (line 318)
* secret-keyring:                        GPG Configuration Options.
                                                              (line 238)
* send:                                  gpg-wks-client.      (line  65)
* send <1>:                              gpg-wks-server.      (line  60)
* send-keys:                             Operational GPG Commands.
                                                              (line 252)
* sender:                                GPG Key related Options.
                                                              (line  81)
* server:                                Agent Commands.      (line  23)
* server <1>:                            Dirmngr Commands.    (line  22)
* server <2>:                            Operational GPGSM Commands.
                                                              (line  24)
* server <3>:                            Scdaemon Commands.   (line  22)
* set-filename:                          GPG Esoteric Options.
                                                              (line 178)
* set-filename <1>:                      gpgtar.              (line 104)
* set-filesize:                          GPG Esoteric Options.
                                                              (line 467)
* set-notation:                          GPG Esoteric Options.
                                                              (line 124)
* set-policy-url:                        GPG Esoteric Options.
                                                              (line 160)
* sh:                                    Agent Options.       (line 138)
* sh <1>:                                Dirmngr Options.     (line  87)
* show-keyring:                          Deprecated Options.  (line  16)
* show-keys:                             Operational GPG Commands.
                                                              (line 180)
* show-notation:                         Deprecated Options.  (line  25)
* show-photos:                           Deprecated Options.  (line   8)
* show-policy-url:                       Deprecated Options.  (line  33)
* show-session-key:                      GPG Esoteric Options.
                                                              (line 471)
* shutdown:                              Dirmngr Commands.    (line  58)
* sig-keyserver-url:                     GPG Esoteric Options.
                                                              (line 170)
* sig-notation:                          GPG Esoteric Options.
                                                              (line 124)
* sig-policy-url:                        GPG Esoteric Options.
                                                              (line 160)
* sign:                                  Operational GPG Commands.
                                                              (line   8)
* sign <1>:                              Operational GPGSM Commands.
                                                              (line  16)
* sign-key:                              OpenPGP Key Management.
                                                              (line 388)
* skip-crypto:                           gpgtar.              (line  68)
* skip-hidden-recipients:                GPG Key related Options.
                                                              (line 108)
* skip-verify:                           GPG Esoteric Options.
                                                              (line 435)
* squid-mode:                            dirmngr-client.      (line 101)
* ssh-fingerprint-digest:                Agent Options.       (line 413)
* standard-resolver:                     Dirmngr Options.     (line 107)
* status-fd:                             GPG Esoteric Options.
                                                              (line  74)
* status-fd <1>:                         gpgv.                (line  52)
* status-fd <2>:                         Invoking gpgconf.    (line 153)
* status-fd <3>:                         gpg-wks-client.      (line 108)
* status-file:                           GPG Esoteric Options.
                                                              (line  78)
* store:                                 Operational GPG Commands.
                                                              (line  55)
* subst:                                 Invoking gpg-connect-agent.
                                                              (line  88)
* supervised:                            Agent Commands.      (line  36)
* supervised <1>:                        Dirmngr Commands.    (line  33)
* symmetric:                             Operational GPG Commands.
                                                              (line  42)
* tar-args:                              gpgtar.              (line 116)
* textmode:                              OpenPGP Options.     (line   8)
* throw-keyids:                          GPG Esoteric Options.
                                                              (line 257)
* time-only:                             watchgnupg.          (line  30)
* tls-debug:                             Dirmngr Options.     (line  69)
* tofu-default-policy:                   GPG Configuration Options.
                                                              (line 703)
* tofu-policy:                           Operational GPG Commands.
                                                              (line 403)
* trust-model:                           GPG Configuration Options.
                                                              (line 397)
* trust-model:always:                    GPG Configuration Options.
                                                              (line 478)
* trust-model:auto:                      GPG Configuration Options.
                                                              (line 487)
* trust-model:classic:                   GPG Configuration Options.
                                                              (line 405)
* trust-model:direct:                    GPG Configuration Options.
                                                              (line 470)
* trust-model:pgp:                       GPG Configuration Options.
                                                              (line 400)
* trust-model:tofu:                      GPG Configuration Options.
                                                              (line 408)
* trust-model:tofu+pgp:                  GPG Configuration Options.
                                                              (line 458)
* trustdb-name:                          GPG Configuration Options.
                                                              (line 248)
* trusted-key:                           GPG Configuration Options.
                                                              (line 390)
* try-all-secrets:                       GPG Key related Options.
                                                              (line 100)
* try-secret-key:                        GPG Key related Options.
                                                              (line  89)
* ttyname:                               Agent Options.       (line 323)
* ttytype:                               Agent Options.       (line 323)
* ungroup:                               GPG Key related Options.
                                                              (line  70)
* update-trustdb:                        Operational GPG Commands.
                                                              (line 334)
* url:                                   dirmngr-client.      (line  94)
* url <1>:                               dirmngr-client.      (line  98)
* use-agent:                             GPG Configuration Options.
                                                              (line 727)
* use-embedded-filename:                 GPG Esoteric Options.
                                                              (line 194)
* use-standard-socket:                   Agent Options.       (line 313)
* use-standard-socket-p:                 Agent Options.       (line 313)
* use-tor:                               Dirmngr Options.     (line  98)
* utf8-strings:                          GPG Configuration Options.
                                                              (line 302)
* utf8-strings <1>:                      gpgtar.              (line  90)
* v:                                     Dirmngr Options.     (line  25)
* v <1>:                                 Configuration Options.
                                                              (line  38)
* v <2>:                                 Scdaemon Options.    (line  35)
* v <3>:                                 dirmngr-client.      (line  53)
* validate:                              dirmngr-client.      (line  76)
* validation-model:                      Certificate Options. (line  73)
* verbose:                               Agent Options.       (line  39)
* verbose <1>:                           Dirmngr Options.     (line  25)
* verbose <2>:                           GPG Configuration Options.
                                                              (line  32)
* verbose <3>:                           Configuration Options.
                                                              (line  38)
* verbose <4>:                           Scdaemon Options.    (line  35)
* verbose <5>:                           watchgnupg.          (line  33)
* verbose <6>:                           gpgv.                (line  30)
* verbose <7>:                           Invoking gpg-preset-passphrase.
                                                              (line  32)
* verbose <8>:                           Invoking gpg-connect-agent.
                                                              (line  14)
* verbose <9>:                           dirmngr-client.      (line  53)
* verbose <10>:                          Invoking symcryptrun.
                                                              (line  29)
* verbose <11>:                          gpgtar.              (line  61)
* verbose <12>:                          gpg-wks-client.      (line 119)
* verbose <13>:                          gpg-wks-server.      (line  78)
* verify:                                Operational GPG Commands.
                                                              (line  67)
* verify <1>:                            Operational GPGSM Commands.
                                                              (line  20)
* verify-files:                          Operational GPG Commands.
                                                              (line 108)
* verify-options:                        GPG Configuration Options.
                                                              (line 133)
* verify-options:pka-lookups:            GPG Configuration Options.
                                                              (line 169)
* verify-options:pka-trust-increase:     GPG Configuration Options.
                                                              (line 176)
* verify-options:show-keyserver-urls:    GPG Configuration Options.
                                                              (line 152)
* verify-options:show-notations:         GPG Configuration Options.
                                                              (line 148)
* verify-options:show-photos:            GPG Configuration Options.
                                                              (line 138)
* verify-options:show-policy-urls:       GPG Configuration Options.
                                                              (line 142)
* verify-options:show-primary-uid-only:  GPG Configuration Options.
                                                              (line 164)
* verify-options:show-std-notations:     GPG Configuration Options.
                                                              (line 148)
* verify-options:show-uid-validity:      GPG Configuration Options.
                                                              (line 156)
* verify-options:show-unusable-uids:     GPG Configuration Options.
                                                              (line 160)
* verify-options:show-user-notations:    GPG Configuration Options.
                                                              (line 148)
* version:                               Agent Commands.      (line  10)
* version <1>:                           Dirmngr Commands.    (line  10)
* version <2>:                           General GPG Commands.
                                                              (line   7)
* version <3>:                           General GPGSM Commands.
                                                              (line   7)
* version <4>:                           Scdaemon Commands.   (line  10)
* version <5>:                           watchgnupg.          (line  36)
* version <6>:                           dirmngr-client.      (line  40)
* version <7>:                           gpgtar.              (line 122)
* version <8>:                           gpg-wks-client.      (line 125)
* version <9>:                           gpg-wks-server.      (line  84)
* warranty:                              General GPG Commands.
                                                              (line  17)
* warranty <1>:                          General GPGSM Commands.
                                                              (line  15)
* weak-digest:                           GPG Esoteric Options.
                                                              (line 411)
* weak-digest <1>:                       gpgv.                (line  90)
* with-colons:                           GPG Input and Output.
                                                              (line 276)
* with-colons <1>:                       gpg-wks-client.      (line  69)
* with-dir:                              gpg-wks-server.      (line  69)
* with-ephemeral-keys:                   Esoteric Options.    (line  24)
* with-file:                             gpg-wks-server.      (line  73)
* with-fingerprint:                      GPG Input and Output.
                                                              (line 296)
* with-icao-spelling:                    GPG Input and Output.
                                                              (line 307)
* with-key-data:                         GPG Esoteric Options.
                                                              (line 439)
* with-key-data <1>:                     Input and Output.    (line  54)
* with-key-origin:                       GPG Input and Output.
                                                              (line 315)
* with-keygrip:                          GPG Input and Output.
                                                              (line 311)
* with-secret:                           GPG Input and Output.
                                                              (line 326)
* with-secret <1>:                       Input and Output.    (line  78)
* with-subkey-fingerprint:               GPG Input and Output.
                                                              (line 300)
* with-validation:                       Input and Output.    (line  60)
* with-wkd-hash:                         GPG Input and Output.
                                                              (line 321)
* xauthority:                            Agent Options.       (line 323)
* yes:                                   GPG Configuration Options.
                                                              (line  60)


File: gnupg.info,  Node: Environment Index,  Next: Index,  Prev: Option Index,  Up: Top

Environment Variable and File Index
***********************************

[index]
* Menu:

* .gpg-v21-migrated:                     GPG Configuration.   (line  77)
* ~/.gnupg:                              GPG Configuration.   (line  27)
* ASSUAN_DEBUG:                          Scdaemon Options.    (line 122)
* COLUMNS:                               GPG Configuration.   (line 118)
* com-certs.pem:                         GPGSM Configuration. (line  84)
* dirmngr.conf:                          Dirmngr Configuration.
                                                              (line  12)
* DISPLAY:                               GPGSM OPTION.        (line  21)
* GNUPGHOME:                             Agent Options.       (line  17)
* GNUPGHOME <1>:                         GPG Configuration Options.
                                                              (line 255)
* GNUPGHOME <2>:                         GPG Configuration.   (line 106)
* GNUPGHOME <3>:                         Configuration Options.
                                                              (line  16)
* GNUPGHOME <4>:                         Scdaemon Options.    (line  13)
* GNUPGHOME <5>:                         gpgv.                (line  69)
* GNUPGHOME <6>:                         Invoking gpgconf.    (line 115)
* GNUPGHOME <7>:                         Invoking gpg-connect-agent.
                                                              (line  21)
* GNUPGHOME <8>:                         Invoking symcryptrun.
                                                              (line  36)
* gpg-agent.conf:                        Agent Configuration. (line  11)
* gpg.conf:                              GPG Configuration.   (line  11)
* gpgconf.ctl:                           Agent Options.       (line  28)
* gpgconf.ctl <1>:                       GPG Configuration Options.
                                                              (line 266)
* gpgconf.ctl <2>:                       Configuration Options.
                                                              (line  27)
* gpgconf.ctl <3>:                       Scdaemon Options.    (line  24)
* gpgconf.ctl <4>:                       gpgv.                (line  80)
* gpgconf.ctl <5>:                       Invoking gpgconf.    (line 126)
* gpgconf.ctl <6>:                       Invoking gpg-connect-agent.
                                                              (line  32)
* gpgconf.ctl <7>:                       Invoking symcryptrun.
                                                              (line  47)
* gpgsm.conf:                            GPGSM Configuration. (line  11)
* GPG_TTY:                               Invoking GPG-AGENT.  (line  22)
* GPG_TTY <1>:                           GPGSM OPTION.        (line  23)
* help.txt:                              GPGSM Configuration. (line  72)
* HKCU\Software\GNU\GnuPG:DefaultLogFile: Agent Options.      (line 151)
* HKCU\Software\GNU\GnuPG:HomeDir:       Agent Options.       (line  17)
* HKCU\Software\GNU\GnuPG:HomeDir <1>:   GPG Configuration Options.
                                                              (line 255)
* HKCU\Software\GNU\GnuPG:HomeDir <2>:   Configuration Options.
                                                              (line  16)
* HKCU\Software\GNU\GnuPG:HomeDir <3>:   Scdaemon Options.    (line  13)
* HKCU\Software\GNU\GnuPG:HomeDir <4>:   gpgv.                (line  69)
* HKCU\Software\GNU\GnuPG:HomeDir <5>:   Invoking gpgconf.    (line 115)
* HKCU\Software\GNU\GnuPG:HomeDir <6>:   Invoking gpg-connect-agent.
                                                              (line  21)
* HKCU\Software\GNU\GnuPG:HomeDir <7>:   Invoking symcryptrun.
                                                              (line  36)
* HOME:                                  GPG Configuration.   (line 103)
* http_proxy:                            Dirmngr Options.     (line 225)
* LANGUAGE:                              GPG Configuration.   (line 121)
* LC_CTYPE:                              GPGSM OPTION.        (line  27)
* LC_MESSAGES:                           GPGSM OPTION.        (line  29)
* LINES:                                 GPG Configuration.   (line 118)
* openpgp-revocs.d:                      GPG Configuration.   (line  91)
* PATH:                                  GPG Configuration Options.
                                                              (line 220)
* PINENTRY_USER_DATA:                    GPG Configuration.   (line 113)
* PINENTRY_USER_DATA <1>:                GPGSM OPTION.        (line  33)
* policies.txt:                          GPGSM Configuration. (line  18)
* private-keys-v1.d:                     Agent Configuration. (line 104)
* pubring.gpg:                           GPG Configuration.   (line  32)
* pubring.kbx:                           GPG Configuration.   (line  50)
* pubring.kbx <1>:                       GPGSM Configuration. (line 100)
* qualified.txt:                         GPGSM Configuration. (line  33)
* random_seed:                           GPG Configuration.   (line  88)
* random_seed <1>:                       GPGSM Configuration. (line 106)
* S.gpg-agent:                           GPGSM Configuration. (line 111)
* secring.gpg:                           GPG Configuration.   (line  69)
* SHELL:                                 Agent Options.       (line 138)
* sshcontrol:                            Agent Configuration. (line  74)
* TERM:                                  GPGSM OPTION.        (line  25)
* trustdb.gpg:                           GPG Configuration.   (line  80)
* trustlist.txt:                         Agent Configuration. (line  20)
* XAUTHORITY:                            GPGSM OPTION.        (line  31)


File: gnupg.info,  Node: Index,  Prev: Environment Index,  Up: Top

Index
*****

[index]
* Menu:

* command options:                       Invoking GPG-AGENT.   (line  6)
* command options <1>:                   Invoking DIRMNGR.     (line  6)
* command options <2>:                   Invoking GPG.         (line  6)
* command options <3>:                   Invoking GPGSM.       (line  6)
* command options <4>:                   Invoking SCDAEMON.    (line  6)
* contributors:                          Contributors.         (line  6)
* DIRMNGR command options:               Invoking DIRMNGR.     (line  6)
* GPG command options:                   Invoking GPG.         (line  6)
* GPG-AGENT command options:             Invoking GPG-AGENT.   (line  6)
* gpgconf.conf:                          Files used by gpgconf.
                                                               (line  7)
* GPGSM command options:                 Invoking GPGSM.       (line  6)
* options, DIRMNGR command:              Invoking DIRMNGR.     (line  6)
* options, GPG command:                  Invoking GPG.         (line  6)
* options, GPG-AGENT command:            Invoking GPG-AGENT.   (line  6)
* options, GPGSM command:                Invoking GPGSM.       (line  6)
* options, SCDAEMON command:             Invoking SCDAEMON.    (line  6)
* relax:                                 Agent Configuration.  (line 62)
* scd-event:                             Scdaemon Configuration.
                                                               (line 18)
* SCDAEMON command options:              Invoking SCDAEMON.    (line  6)
* scdaemon.conf:                         Scdaemon Configuration.
                                                               (line 11)
* SIGHUP:                                Agent Signals.        (line 12)
* SIGHUP <1>:                            Dirmngr Signals.      (line 12)
* SIGINT:                                Agent Signals.        (line 31)
* SIGINT <1>:                            Dirmngr Signals.      (line 26)
* SIGTERM:                               Agent Signals.        (line 26)
* SIGTERM <1>:                           Dirmngr Signals.      (line 19)
* SIGUSR1:                               Agent Signals.        (line 34)
* SIGUSR1 <1>:                           Dirmngr Signals.      (line 29)
* SIGUSR2:                               Agent Signals.        (line 37)
* swdb.lst:                              Files used by gpgconf.
                                                               (line 12)
* trust values:                          Trust Values.         (line  6)