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Edit File : EVP_rc5_32_12_16_cbc.3 \| Size : 6.44 KB
.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35) .\" .\" 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 .. .\" Set up some character translations and predefined strings. \(-- will .\" give an unbreakable dash, \(PI will give pi, \(L" will give a left .\" double quote, and \(R" will give a right double quote. \(C+ will .\" give a nicer C++. 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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 \s-1RC5\s0 encryption algorithm for \s-1EVP.\s0 .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()" \&\s-1RC5\s0 encryption algorithm in \s-1CBC, CFB, ECB\s0 and \s-1OFB\s0 modes respectively. This is a variable key length cipher with an additional \(L"number of rounds\(R" 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, \s-1EVP_CTRL_SET_RC5_ROUNDS,\s0 rounds, \s-1NULL\s0)" 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 \s-1RC5_8_ROUNDS, RC5_12_ROUNDS\s0 or \s-1RC5_16_ROUNDS.\s0 .IP "EVP_CIPHER_CTX_ctrl(ctx, \s-1EVP_CTRL_GET_RC5_ROUNDS, 0,\s0 &rounds)" 4 .IX Item "EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GET_RC5_ROUNDS, 0, &rounds)" Stores the number of rounds currently configured in \fBrounds\fR where \fBrounds\fR is an int. .RE .RS 4 .RE .SH "RETURN VALUES" .IX Header "RETURN VALUES" These functions return an \fB\s-1EVP_CIPHER\s0\fR structure that contains the implementation of the symmetric cipher. See \fBEVP_CIPHER_meth_new\fR\\|(3) for details of the \fB\s-1EVP_CIPHER\s0\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\-2019 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \(L"License\(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>. Back

Edit File : EVP_rc5_32_12_16_cbc.3 | Size : 6.44 KB

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.\" ========================================================================
.\"
.IX Title "EVP_RC5_32_12_16_CBC 3"
.TH EVP_RC5_32_12_16_CBC 3 "2023-09-11" "1.1.1w" "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 \s-1RC5\s0 encryption algorithm for \s-1EVP.\s0
.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()"
\&\s-1RC5\s0 encryption algorithm in \s-1CBC, CFB, ECB\s0 and \s-1OFB\s0 modes respectively. This is a
variable key length cipher with an additional \*(L"number of rounds\*(R" 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, \s-1EVP_CTRL_SET_RC5_ROUNDS,\s0 rounds, \s-1NULL\s0)" 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 \s-1RC5_8_ROUNDS,
RC5_12_ROUNDS\s0 or \s-1RC5_16_ROUNDS.\s0
.IP "EVP_CIPHER_CTX_ctrl(ctx, \s-1EVP_CTRL_GET_RC5_ROUNDS, 0,\s0 &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 "RETURN VALUES"
.IX Header "RETURN VALUES"
These functions return an \fB\s-1EVP_CIPHER\s0\fR structure that contains the
implementation of the symmetric cipher. See \fBEVP_CIPHER_meth_new\fR\|(3) for
details of the \fB\s-1EVP_CIPHER\s0\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\-2019 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.

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