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=pod
=head1 NAME
EVP_des_cbc,
EVP_des_cfb,
EVP_des_cfb1,
EVP_des_cfb8,
EVP_des_cfb64,
EVP_des_ecb,
EVP_des_ofb,
EVP_des_ede,
EVP_des_ede_cbc,
EVP_des_ede_cfb,
EVP_des_ede_cfb64,
EVP_des_ede_ecb,
EVP_des_ede_ofb,
EVP_des_ede3,
EVP_des_ede3_cbc,
EVP_des_ede3_cfb,
EVP_des_ede3_cfb1,
EVP_des_ede3_cfb8,
EVP_des_ede3_cfb64,
EVP_des_ede3_ecb,
EVP_des_ede3_ofb,
EVP_des_ede3_wrap
- EVP DES cipher
=head1 SYNOPSIS
=for comment generic
#include <openssl/evp.h>
const EVP_CIPHER *EVP_ciphername(void)
I<EVP_ciphername> is used a placeholder for any of the described cipher
functions, such as I<EVP_des_cbc>.
=head1 DESCRIPTION
The DES encryption algorithm for EVP.
=over 4
=item EVP_des_cbc(),
EVP_des_ecb(),
EVP_des_cfb(),
EVP_des_cfb1(),
EVP_des_cfb8(),
EVP_des_cfb64(),
EVP_des_ofb()
DES in CBC, ECB, CFB with 64-bit shift, CFB with 1-bit shift, CFB with 8-bit
shift and OFB modes.
=item EVP_des_ede(),
EVP_des_ede_cbc(),
EVP_des_ede_cfb(),
EVP_des_ede_cfb64(),
EVP_des_ede_ecb(),
EVP_des_ede_ofb()
Two key triple DES in ECB, CBC, CFB with 64-bit shift and OFB modes.
=item EVP_des_ede3(),
EVP_des_ede3_cbc(),
EVP_des_ede3_cfb(),
EVP_des_ede3_cfb1(),
EVP_des_ede3_cfb8(),
EVP_des_ede3_cfb64(),
EVP_des_ede3_ecb(),
EVP_des_ede3_ofb()
Three-key triple DES in ECB, CBC, CFB with 64-bit shift, CFB with 1-bit shift,
CFB with 8-bit shift and OFB modes.
=item EVP_des_ede3_wrap()
Triple-DES key wrap according to RFC 3217 Section 3.
=back
=head1 RETURN VALUES
These functions return an B<EVP_CIPHER> structure that contains the
implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for
details of the B<EVP_CIPHER> structure.
=head1 SEE ALSO
L<evp(7)>,
L<EVP_EncryptInit(3)>,
L<EVP_CIPHER_meth_new(3)>
=head1 COPYRIGHT
Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (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
L<https://www.openssl.org/source/license.html>.
=cut
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