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Tom Utilities

Вычисляйте подписи HMAC с SHA-1, SHA-256, SHA-384 или SHA-512 в hex или Base64.

Как использовать

Generating an HMAC

Enter the secret key and message, then choose the hash algorithm and output encoding.

  1. Enter the key.
  2. Enter the message.
  3. Pick the algorithm and encoding.

Частые вопросы

Is my key uploaded?

No, the signature is computed locally with the Web Crypto API.

Which encoding should I use?

Hex is common; Base64 is often used in HTTP and JWT contexts.