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Diffstat (limited to 'static/freebsd/man3/EVP_rc5_32_12_16_cbc.3')
| -rw-r--r-- | static/freebsd/man3/EVP_rc5_32_12_16_cbc.3 | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/static/freebsd/man3/EVP_rc5_32_12_16_cbc.3 b/static/freebsd/man3/EVP_rc5_32_12_16_cbc.3 new file mode 100644 index 00000000..3b642e68 --- /dev/null +++ b/static/freebsd/man3/EVP_rc5_32_12_16_cbc.3 @@ -0,0 +1,132 @@ +.\" -*- 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_RC5_32_12_16_CBC 3ossl" +.TH EVP_RC5_32_12_16_CBC 3ossl 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_rc5_32_12_16_cbc, +EVP_rc5_32_12_16_cfb, +EVP_rc5_32_12_16_cfb64, +EVP_rc5_32_12_16_ecb, +EVP_rc5_32_12_16_ofb +\&\- EVP RC5 cipher +.SH SYNOPSIS +.IX Header "SYNOPSIS" +.Vb 1 +\& #include <openssl/evp.h> +\& +\& const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void); +\& const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void); +\& const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void); +\& const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void); +\& const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void); +.Ve +.SH DESCRIPTION +.IX Header "DESCRIPTION" +The RC5 encryption algorithm for EVP. +.IP "\fBEVP_rc5_32_12_16_cbc()\fR, \fBEVP_rc5_32_12_16_cfb()\fR, \fBEVP_rc5_32_12_16_cfb64()\fR, \fBEVP_rc5_32_12_16_ecb()\fR, \fBEVP_rc5_32_12_16_ofb()\fR" 4 +.IX Item "EVP_rc5_32_12_16_cbc(), EVP_rc5_32_12_16_cfb(), EVP_rc5_32_12_16_cfb64(), EVP_rc5_32_12_16_ecb(), EVP_rc5_32_12_16_ofb()" +RC5 encryption algorithm in CBC, CFB, ECB and OFB modes respectively. This is a +variable key length cipher with an additional "number of rounds" parameter. By +default the key length is set to 128 bits and 12 rounds. Alternative key lengths +can be set using \fBEVP_CIPHER_CTX_set_key_length\fR\|(3). The maximum key length is +2040 bits. +.Sp +The following rc5 specific \fIctrl\fRs are supported (see +\&\fBEVP_CIPHER_CTX_ctrl\fR\|(3)). +.RS 4 +.IP "EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_SET_RC5_ROUNDS, rounds, NULL)" 4 +.IX Item "EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_SET_RC5_ROUNDS, rounds, NULL)" +Sets the number of rounds to \fBrounds\fR. This must be one of RC5_8_ROUNDS, +RC5_12_ROUNDS or RC5_16_ROUNDS. +.IP "EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GET_RC5_ROUNDS, 0, &rounds)" 4 +.IX Item "EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GET_RC5_ROUNDS, 0, &rounds)" +Stores the number of rounds currently configured in \fB*rounds\fR where \fB*rounds\fR +is an int. +.RE +.RS 4 +.RE +.SH NOTES +.IX Header "NOTES" +Developers should be aware of the negative performance implications of +calling these functions multiple times and should consider using +\&\fBEVP_CIPHER_fetch\fR\|(3) with \fBEVP_CIPHER\-RC5\fR\|(7) instead. +See "Performance" in \fBcrypto\fR\|(7) for further information. +.SH "RETURN VALUES" +.IX Header "RETURN VALUES" +These functions return an \fBEVP_CIPHER\fR structure that contains the +implementation of the symmetric cipher. See \fBEVP_CIPHER_meth_new\fR\|(3) for +details of the \fBEVP_CIPHER\fR structure. +.SH "SEE ALSO" +.IX Header "SEE ALSO" +\&\fBevp\fR\|(7), +\&\fBEVP_EncryptInit\fR\|(3), +\&\fBEVP_CIPHER_meth_new\fR\|(3) +.SH COPYRIGHT +.IX Header "COPYRIGHT" +Copyright 2017\-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>. |