EVP_sm33ssl

Usage

 #include <openssl/evp.h>
 const EVP_MD *EVP_sm3(void);

Overview

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.