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+= Examples
+
+=== Definitions
+
+The following definitions are used in the description below:
+
+- <device>
+
+ The file system path or subsystem-specific identification string of a
+ FIDO device.
+
+- <pin>, [oldpin]
+
+ Strings passed directly in the executed command's argument vector.
+
+- <cred_id>
+
+ The file system path of a file containing a FIDO credential ID in
+ binary representation.
+
+- <pubkey>
+
+ The file system path of a file containing a NIST P-256 public key in
+ PEM format.
+
+- <blobkey>
+
+ A credential's associated CTAP 2.1 "largeBlob" symmetric key.
+
+=== Description
+
+The following examples are provided:
+
+- manifest
+
+ Prints a list of configured FIDO devices.
+
+- info <device>
+
+ Prints information about <device>.
+
+- reset <device>
+
+ Performs a factory reset on <device>.
+
+- setpin <pin> [oldpin] <device>
+
+ Configures <pin> as the new PIN of <device>. If [oldpin] is provided,
+ the device's PIN is changed from [oldpin] to <pin>.
+
+- cred [-t es256|es384|rs256|eddsa] [-k pubkey] [-ei cred_id] [-P pin]
+ [-T seconds] [-b blobkey] [-hruv] <device>
+
+ Creates a new credential on <device> and verify that the credential
+ was signed by the authenticator. The device's attestation certificate
+ is not verified. If option -k is specified, the credential's public
+ key is stored in <pubkey>. If option -i is specified, the credential
+ ID is stored in <cred_id>. The -e option may be used to add <cred_id>
+ to the list of excluded credentials. If option -h is specified,
+ the hmac-secret FIDO2 extension is enabled on the generated
+ credential. If option -r is specified, the generated credential
+ will involve a resident key. User verification may be requested
+ through the -v option. If option -u is specified, the credential
+ is generated using U2F (CTAP1) instead of FIDO2 (CTAP2) commands.
+ The -T option may be used to enforce a timeout of <seconds>. If the
+ option -b is specified, the credential's "largeBlob" key is stored in
+ <blobkey>.
+
+- assert [-t es256|es384|rs256|eddsa] [-a cred_id] [-h hmac_secret] [-P pin]
+ [-s hmac_salt] [-T seconds] [-b blobkey] [-puv] <pubkey> <device>
+
+ Asks <device> for a FIDO2 assertion corresponding to [cred_id],
+ which may be omitted for resident keys. The obtained assertion
+ is verified using <pubkey>. The -p option requests that the user
+ be present. User verification may be requested through the -v
+ option. If option -u is specified, the assertion is generated using
+ U2F (CTAP1) instead of FIDO2 (CTAP2) commands. If option -s is
+ specified, a FIDO2 hmac-secret is requested from the authenticator,
+ and the contents of <hmac_salt> are used as the salt. If option -h
+ is specified, the resulting hmac-secret is stored in <hmac_secret>.
+ The -T option may be used to enforce a timeout of <seconds>. If the
+ option -b specified, the credential's "largeBlob" key is stored in
+ <blobkey>.
+
+- retries <device>
+ Get the number of PIN attempts left on <device> before lockout.
+
+- select
+
+ Enumerates available FIDO devices and, if more than one is present,
+ simultaneously requests touch on all of them, printing information
+ about the device touched.
+
+Debugging is possible through the use of the FIDO_DEBUG environment variable.
+If set, libfido2 will produce a log of its transactions with the authenticator.
+
+Additionally, an example of a WebAuthn client using libfido2 is available at
+https://github.com/martelletto/fido2-webauthn-client.