openssl-cmac

Ruby Gem for
* RFC 4493 - The AES-CMAC Algorithm (http://tools.ietf.org/html/rfc4493)
* RFC 4494 - The AES-CMAC-96 Algorithm and Its Use with IPsec
  (http://tools.ietf.org/html/rfc4494)

* RFC 4615 - The Advanced Encryption Standard-Cipher-based Message
  Authentication Code-Pseudo-Random Function-128 (AES-CMAC-PRF-128)
  Algorithm for the Internet Key Exchange Protocol (IKE)
  (http://tools.ietf.org/html/rfc4615)