Other authentication mechanisms, such as the hash function message authentication code (HMAC) and digital signatures, have long been available. CMAC is a new option, intended especially for ...

Other authentication mechanisms, such as the hash function message authentication code (HMAC) and digital signatures, have long been available.

Oath announced its initial effort, a hashed message authentication code (HMAC) one-time password (OTP) algorithm, in October at the Digital ID World show in Denver.