NAME

EVP_sm3 — SM3 hash function for EVP

SYNOPSIS

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

DESCRIPTION

SM3 is a cryptographic hash function with a 256-bit output. It is part of the Chinese “Commercial Cryptography” suite of algorithms which is required for certain commercial applications in China.

RETURN VALUES

EVP_sm3() returns a pointer to a static EVP_MD object implementing the SM3 hash function.

SEE ALSO

evp(3), EVP_DigestInit(3)

STANDARDS

GB/T 32905-2016 and GM/T 0004-2012

HISTORY

EVP_sm3() first appeared in OpenSSL 1.1.1 and has been available since OpenBSD 6.5.