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EVP_SM4_CBC(3)			    OpenSSL			EVP_SM4_CBC(3)

NAME
       EVP_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);

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.

       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 VALUES
       These 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)

COPYRIGHT
       Copyright 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>.

1.1.1d				  2019-09-10			EVP_SM4_CBC(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | COPYRIGHT

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