HMAC Generator

Generate HMAC (Hash-based Message Authentication Code) for message authentication and integrity verification.

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HMAC Generator

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Generate HMAC (Hash-based Message Authentication Code) hashes

How It Works

  1. Enter your message
  2. Provide a secret key
  3. Select hash algorithm (SHA-256 or SHA-512)
  4. Generate HMAC hash

Use Cases

  • API authentication
  • Message integrity verification
  • Webhook signature validation
  • Secure data transmission

Frequently Asked Questions

What is HMAC?

HMAC is a mechanism for message authentication using cryptographic hash functions combined with a secret key.

Is this secure?

Yes, HMAC is cryptographically secure when used with strong hash algorithms like SHA-256 or SHA-512.