Introduction - If you have any usage issues, please Google them yourself
Use
Commercial management algorithm, compiled by the Bureau of national code, used to generate the generation and verification of digital signature and authentication, message authentication code password in the application and a random number, which can meet the security needs of a variety of cryptographic applications.
The algorithm description
The length of L (l< 2^64) bits of the message M, SM3 hash algorithm after filling and iterative compression, generates a hash value, hash value length
256 bit.