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EVP_sm3(3)                          OpenSSL                         EVP_sm3(3)



NAME
       EVP_sm3 - SM3 for EVP

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
        #include <openssl/evp.h>

        const EVP_MD *EVP_sm3(void);

DESCRIPTION
       SM3 is a cryptographic hash function with a 256-bit output, defined in
       GB/T 32905-2016.

       EVP_sm3()
           The SM3 hash function.

NOTES
       Developers should be aware of the negative performance implications of
       calling this function multiple times and should consider using
       EVP_MD_fetch(3) with EVP_MD-SM3(7) instead.  See "Performance" in
       crypto(7) for further information.

RETURN VALUES
       These functions return a EVP_MD structure that contains the
       implementation of the message digest. See EVP_MD_meth_new(3) for
       details of the EVP_MD structure.

CONFORMING TO
       GB/T 32905-2016 and GM/T 0004-2012.

SEE ALSO
       evp(7), EVP_DigestInit(3)

COPYRIGHT
       Copyright 2017-2023 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
       <https://www.openssl.org/source/license.html>.



3.0.12                            2023-10-25                        EVP_sm3(3)