| =pod |
| |
| =head1 NAME |
| |
| EVP_sm4_cbc, |
| EVP_sm4_ecb, |
| EVP_sm4_cfb, |
| EVP_sm4_cfb128, |
| EVP_sm4_ofb, |
| EVP_sm4_ctr |
| - EVP SM4 cipher |
| |
| =head1 SYNOPSIS |
| |
| #include <openssl/evp.h> |
| |
| const EVP_CIPHER *EVP_sm4_cbc(void); |
| const EVP_CIPHER *EVP_sm4_ecb(void); |
| const EVP_CIPHER *EVP_sm4_cfb(void); |
| const EVP_CIPHER *EVP_sm4_cfb128(void); |
| const EVP_CIPHER *EVP_sm4_ofb(void); |
| const EVP_CIPHER *EVP_sm4_ctr(void); |
| |
| =head1 DESCRIPTION |
| |
| The SM4 blockcipher (GB/T 32907-2016) for EVP. |
| |
| All modes below use a key length of 128 bits and acts on blocks of 128 bits. |
| |
| =over 4 |
| |
| =item EVP_sm4_cbc(), |
| EVP_sm4_ecb(), |
| EVP_sm4_cfb(), |
| EVP_sm4_cfb128(), |
| EVP_sm4_ofb(), |
| EVP_sm4_ctr() |
| |
| The SM4 blockcipher with a 128-bit key in CBC, ECB, CFB, OFB and CTR modes |
| respectively. |
| |
| =back |
| |
| =head1 RETURN VALUES |
| |
| These functions return a 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. |
| Copyright 2017 Ribose Inc. All Rights Reserved. |
| |
| 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 |
| L<https://www.openssl.org/source/license.html>. |
| |
| =cut |
| |
