HMAC-SHA256 hash calculator
A keyed message authentication code widely used in JWT (HS256), AWS Signature v4 and webhook signatures.
Technical details
- Output
- 256 bits (64 hex characters)
- Standard
- RFC 2104 / FIPS PUB 198-1
- Designed by
- Bellare, Canetti, Krawczyk, 1996
- Security status
- Secure
- Speed
- Very fast