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Diffstat (limited to 'static/freebsd/man7/EVP_MD-BLAKE2.7')
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diff --git a/static/freebsd/man7/EVP_MD-BLAKE2.7 b/static/freebsd/man7/EVP_MD-BLAKE2.7 new file mode 100644 index 00000000..5f3ddccc --- /dev/null +++ b/static/freebsd/man7/EVP_MD-BLAKE2.7 @@ -0,0 +1,121 @@ +.\" -*- mode: troff; coding: utf-8 -*- +.\" Automatically generated by Pod::Man v6.0.2 (Pod::Simple 3.45) +.\" +.\" 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 +.\" +.\" Required to disable full justification in groff 1.23.0. +.if n .ds AD l +.\" ======================================================================== +.\" +.IX Title "EVP_MD-BLAKE2 7ossl" +.TH EVP_MD-BLAKE2 7ossl 2026-04-07 3.5.6 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_MD\-BLAKE2 \- The BLAKE2 EVP_MD implementation +.SH DESCRIPTION +.IX Header "DESCRIPTION" +Support for computing BLAKE2 digests through the \fBEVP_MD\fR API. +.SS Identities +.IX Subsection "Identities" +This implementation is only available with the default provider, and +includes the following varieties: +.IP BLAKE2S\-256 4 +.IX Item "BLAKE2S-256" +Known names are "BLAKE2S\-256" and "BLAKE2s256". +.IP BLAKE2B\-512 4 +.IX Item "BLAKE2B-512" +Known names are "BLAKE2B\-512" and "BLAKE2b512". +.SS "Settable Parameters" +.IX Subsection "Settable Parameters" +"BLAKE2B\-512" supports the following \fBEVP_MD_CTX_set_params()\fR key +described in "PARAMETERS" in \fBEVP_DigestInit\fR\|(3). +.IP """size"" (\fBOSSL_DIGEST_PARAM_SIZE\fR) <unsigned integer>" 4 +.IX Item """size"" (OSSL_DIGEST_PARAM_SIZE) <unsigned integer>" +.SS "Gettable Parameters" +.IX Subsection "Gettable Parameters" +This implementation supports the common gettable parameters described +in \fBEVP_MD\-common\fR\|(7). +.SS "Settable Context Parameters" +.IX Subsection "Settable Context Parameters" +The implementation supports the following \fBOSSL_PARAM\fR\|(3) entries which +are settable for an \fBEVP_MD_CTX\fR with \fBEVP_DigestInit_ex2\fR\|(3) or +\&\fBEVP_MD_CTX_set_params\fR\|(3): +.IP """size"" (\fBOSSL_DIGEST_PARAM_SIZE\fR) <unsigned integer>" 4 +.IX Item """size"" (OSSL_DIGEST_PARAM_SIZE) <unsigned integer>" +Sets a different digest length for the \fBEVP_DigestFinal\fR\|(3) output. +The value of the "size" parameter must not exceed the default digest length +of the respective BLAKE2 algorithm variants, 64 for BLAKE2B\-512 and +32 for BLAKE2S\-256. The parameter must be set with the +\&\fBEVP_DigestInit_ex2\fR\|(3) call to have an immediate effect. When set with +\&\fBEVP_MD_CTX_set_params\fR\|(3) it will have an effect only if the \fBEVP_MD_CTX\fR +context is reinitialized. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBprovider\-digest\fR\|(7), \fBOSSL_PROVIDER\-default\fR\|(7) +.SH HISTORY +.IX Header "HISTORY" +This functionality was added in OpenSSL 3.0. +.PP +The variable size support was added in OpenSSL 3.2 for BLAKE2B\-512 and +in OpenSSL 3.3 for BLAKE2S\-256. +.SH COPYRIGHT +.IX Header "COPYRIGHT" +Copyright 2020\-2024 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>. |