HMAC Generator
Generate Hash-based Message Authentication Codes (HMAC) using various cryptographic algorithms including SHA256, SHA512, SHA1, and MD5.
Message
Secret Key
The secret key is used to sign the message. Keep it secure!
Algorithm
Output Format
About HMAC
What is HMAC?
HMAC (Hash-based Message Authentication Code) is an authentication code that uses a cryptographic hash function combined with a secret key. It is used to verify the integrity and authenticity of a message.
Use Cases:
- API integrity verification
- Webhook signing
- Message authentication
- Secure session tokens