SM2 / SM3 / SM4
Chinese national crypto: SM4 encrypt, SM3 hash, SM2 keys & signatures.
All processing on this page runs locally in your browser unless noted otherwise.
How to use
- Load sample SM4 key/IV and plaintext.
- Switch tabs for SM3 hash or SM2 keys/signatures.
Sample
Hello SM — local demo only.FAQ
Is the SM library loaded immediately?
No. sm-crypto is dynamically imported when you use this page’s actions.