mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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118 lines
2.4 KiB
Plaintext
118 lines
2.4 KiB
Plaintext
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=pod
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=head1 NAME
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EVP_des_cbc,
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EVP_des_cfb,
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EVP_des_cfb1,
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EVP_des_cfb8,
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EVP_des_cfb64,
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EVP_des_ecb,
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EVP_des_ofb,
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EVP_des_ede,
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EVP_des_ede_cbc,
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EVP_des_ede_cfb,
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EVP_des_ede_cfb64,
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EVP_des_ede_ecb,
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EVP_des_ede_ofb,
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EVP_des_ede3,
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EVP_des_ede3_cbc,
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EVP_des_ede3_cfb,
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EVP_des_ede3_cfb1,
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EVP_des_ede3_cfb8,
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EVP_des_ede3_cfb64,
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EVP_des_ede3_ecb,
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EVP_des_ede3_ofb,
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EVP_des_ede3_wrap
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- EVP DES cipher
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=head1 SYNOPSIS
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=for openssl generic
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#include <openssl/evp.h>
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const EVP_CIPHER *EVP_ciphername(void)
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I<EVP_ciphername> is used a placeholder for any of the described cipher
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functions, such as I<EVP_des_cbc>.
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=head1 DESCRIPTION
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The DES encryption algorithm for EVP.
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=over 4
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=item EVP_des_cbc(),
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EVP_des_ecb(),
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EVP_des_cfb(),
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EVP_des_cfb1(),
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EVP_des_cfb8(),
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EVP_des_cfb64(),
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EVP_des_ofb()
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DES in CBC, ECB, CFB with 64-bit shift, CFB with 1-bit shift, CFB with 8-bit
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shift and OFB modes.
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None of these algorithms are provided by the OpenSSL default provider.
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To use them it is necessary to load either the OpenSSL legacy provider or another
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implementation.
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=item EVP_des_ede(),
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EVP_des_ede_cbc(),
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EVP_des_ede_cfb(),
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EVP_des_ede_cfb64(),
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EVP_des_ede_ecb(),
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EVP_des_ede_ofb()
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Two key triple DES in ECB, CBC, CFB with 64-bit shift and OFB modes.
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=item EVP_des_ede3(),
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EVP_des_ede3_cbc(),
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EVP_des_ede3_cfb(),
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EVP_des_ede3_cfb1(),
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EVP_des_ede3_cfb8(),
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EVP_des_ede3_cfb64(),
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EVP_des_ede3_ecb(),
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EVP_des_ede3_ofb()
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Three-key triple DES in ECB, CBC, CFB with 64-bit shift, CFB with 1-bit shift,
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CFB with 8-bit shift and OFB modes.
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=item EVP_des_ede3_wrap()
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Triple-DES key wrap according to RFC 3217 Section 3.
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=back
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=head1 NOTES
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Developers should be aware of the negative performance implications of
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calling these functions multiple times and should consider using
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L<EVP_CIPHER_fetch(3)> instead.
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See L<crypto(7)/Performance> for further information.
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=head1 RETURN VALUES
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These functions return an B<EVP_CIPHER> structure that contains the
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implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for
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details of the B<EVP_CIPHER> structure.
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=head1 SEE ALSO
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L<evp(7)>,
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L<EVP_EncryptInit(3)>,
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L<EVP_CIPHER_meth_new(3)>
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=head1 COPYRIGHT
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Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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