# Module __builtin.Nettle.Hash()->HMAC

Inheritance graph

Description

  HMAC (Hashing for Message Authenticity Control) for the hash algorithm.

  RFC 2104.

See also

  Crypto.HMAC

Constant hmac_jwa_id

  ```protected` constant` `string` __builtin.Nettle.Hash.HMAC.`hmac_jwa_id``

Description

  JWS algorithm id (if any) for the HMAC sub-module. Overloaded by the actual implementations.

Inherit MAC

  `inherit .MAC : MAC`