EVP_SM4_CBC - Online Linux Manual PageSection : 3
Updated : 2021-03-26
Source : 1.1.1k
Note : OpenSSL
NAMEEVP_sm4_cbc, EVP_sm4_ecb, EVP_sm4_cfb, EVP_sm4_cfb128, EVP_sm4_ofb, EVP_sm4_ctr ​− EVP SM4 cipher
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);
DESCRIPTIONThe 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. 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.
RETURN VALUESThese functions return a EVP_CIPHER structure that contains the implementation of the symmetric cipher. See EVP_CIPHER_meth_new (3) for details of the EVP_CIPHER structure.
SEE ALSO​evp (7), ​EVP_EncryptInit (3), ​EVP_CIPHER_meth_new (3)
COPYRIGHTCopyright 2017−2018 The OpenSSL Project Authors. All Rights Reserved. Copyright 2017 Ribose Inc. 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 <https://www.openssl.org/source/license.html>. 0
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