NewAESCMACPRF creates a new AESCMACPRF object and initializes it with the correct key material.

NewHKDFPRF creates a new HKDFPRF object and initializes it with the correct key material.

NewHMACPRF creates a new HMACPRF object and initializes it with the correct key material.

ValidateAESCMACPRFParams checks that the key is the recommended size for AES-CMAC.

ValidateHKDFPRFParams validates parameters of HKDF constructor.

ValidateHMACPRFParams validates parameters of HMAC constructor.

AESCMACPRF is a type that can be used to compute several CMACs with the same key material.

HKDFPRF is a type that can be used to compute several HKDFs with the same key material.

HMACPRF is a type that can be used to compute several HMACs with the same key material.