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Diffstat (limited to 'upstream/archlinux/man7/EVP_KDF-HMAC-DRBG.7ssl')
| -rw-r--r-- | upstream/archlinux/man7/EVP_KDF-HMAC-DRBG.7ssl | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/upstream/archlinux/man7/EVP_KDF-HMAC-DRBG.7ssl b/upstream/archlinux/man7/EVP_KDF-HMAC-DRBG.7ssl new file mode 100644 index 00000000..469e1712 --- /dev/null +++ b/upstream/archlinux/man7/EVP_KDF-HMAC-DRBG.7ssl @@ -0,0 +1,117 @@ +.\" -*- mode: troff; coding: utf-8 -*- +.\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. +.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. +.ie n \{\ +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds C` +. ds C' +'br\} +.\" +.\" Escape single quotes in literal strings from groff's Unicode transform. +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" +.\" If the F register is >0, we'll generate index entries on stderr for +.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index +.\" entries marked with X<> in POD. Of course, you'll have to process the +.\" output yourself in some meaningful fashion. +.\" +.\" Avoid warning from groff about undefined register 'F'. +.de IX +.. +.nr rF 0 +.if \n(.g .if rF .nr rF 1 +.if (\n(rF:(\n(.g==0)) \{\ +. if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. if !\nF==2 \{\ +. nr % 0 +. nr F 2 +. \} +. \} +.\} +.rr rF +.\" ======================================================================== +.\" +.IX Title "EVP_KDF-HMAC-DRBG 7ssl" +.TH EVP_KDF-HMAC-DRBG 7ssl 2024-01-30 3.2.1 OpenSSL +.\" For nroff, turn off justification. Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH NAME +EVP_KDF\-HMAC\-DRBG +\&\- The HMAC DRBG DETERMINISTIC EVP_KDF implementation +.SH DESCRIPTION +.IX Header "DESCRIPTION" +Support for a deterministic HMAC DRBG using the \fBEVP_KDF\fR API. This is similar +to \fBEVP_RAND\-HMAC\-DRBG\fR\|(7), but uses fixed values for its entropy and nonce +values. This is used to generate deterministic nonce value required by ECDSA +and DSA (as defined in RFC 6979). +.SS Identity +.IX Subsection "Identity" +"HMAC-DRBG-KDF" is the name for this implementation; it can be used +with the \fBEVP_KDF_fetch()\fR function. +.SS "Supported parameters" +.IX Subsection "Supported parameters" +The supported parameters are: +.IP """digest"" (\fBOSSL_DRBG_PARAM_DIGEST\fR) <UTF8 string>" 4 +.IX Item """digest"" (OSSL_DRBG_PARAM_DIGEST) <UTF8 string>" +.PD 0 +.IP """properties"" (\fBOSSL_DRBG_PARAM_PROPERTIES\fR) <UTF8 string>" 4 +.IX Item """properties"" (OSSL_DRBG_PARAM_PROPERTIES) <UTF8 string>" +.PD +These parameters work as described in "PARAMETERS" in \fBEVP_KDF\fR\|(3). +.IP """entropy"" (\fBOSSL_KDF_PARAM_HMACDRBG_ENTROPY\fR) <octet string>" 4 +.IX Item """entropy"" (OSSL_KDF_PARAM_HMACDRBG_ENTROPY) <octet string>" +Sets the entropy bytes supplied to the HMAC-DRBG. +.IP """nonce"" (\fBOSSL_KDF_PARAM_HMACDRBG_NONCE\fR) <octet string>" 4 +.IX Item """nonce"" (OSSL_KDF_PARAM_HMACDRBG_NONCE) <octet string>" +Sets the nonce bytes supplied to the HMAC-DRBG. +.SH NOTES +.IX Header "NOTES" +A context for KDF HMAC DRBG can be obtained by calling: +.PP +.Vb 2 +\& EVP_KDF *kdf = EVP_KDF_fetch(NULL, "HMAC\-DRBG\-KDF", NULL); +\& EVP_KDF_CTX *kdf_ctx = EVP_KDF_CTX_new(kdf, NULL); +.Ve +.SH "CONFORMING TO" +.IX Header "CONFORMING TO" +RFC 6979 +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBEVP_KDF\fR\|(3), +"PARAMETERS" in \fBEVP_KDF\fR\|(3) +.SH HISTORY +.IX Header "HISTORY" +The EVP_KDF\-HMAC\-DRBG functionality was added in OpenSSL 3.2. +.SH COPYRIGHT +.IX Header "COPYRIGHT" +Copyright 2022\-2023 The OpenSSL Project Authors. All Rights Reserved. +.PP +Licensed under the Apache License 2.0 (the "License"). You may not use +this file except in compliance with the License. You can obtain a copy +in the file LICENSE in the source distribution or at +<https://www.openssl.org/source/license.html>. |