mirror of https://github.com/openssl/openssl.git
68 lines
1.4 KiB
Plaintext
68 lines
1.4 KiB
Plaintext
=pod
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=head1 NAME
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EVP_sm4_cbc,
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EVP_sm4_ecb,
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EVP_sm4_cfb,
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EVP_sm4_cfb128,
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EVP_sm4_ofb,
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EVP_sm4_ctr
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- EVP SM4 cipher
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=head1 SYNOPSIS
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#include <openssl/evp.h>
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const EVP_CIPHER *EVP_sm4_cbc(void);
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const EVP_CIPHER *EVP_sm4_ecb(void);
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const EVP_CIPHER *EVP_sm4_cfb(void);
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const EVP_CIPHER *EVP_sm4_cfb128(void);
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const EVP_CIPHER *EVP_sm4_ofb(void);
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const EVP_CIPHER *EVP_sm4_ctr(void);
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=head1 DESCRIPTION
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The SM4 blockcipher (GB/T 32907-2016) for EVP.
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All modes below use a key length of 128 bits and acts on blocks of 128 bits.
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=over 4
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=item EVP_sm4_cbc(),
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EVP_sm4_ecb(),
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EVP_sm4_cfb(),
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EVP_sm4_cfb128(),
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EVP_sm4_ofb(),
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EVP_sm4_ctr()
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The SM4 blockcipher with a 128-bit key in CBC, ECB, CFB, OFB and CTR modes
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respectively.
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=back
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=head1 RETURN VALUES
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These functions return a 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 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
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Copyright 2017 Ribose Inc. 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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