Term:Counter with Cipher Block Chaining-Message Authentication Code
NIST IR 7298
Counter with Cipher Block Chaining-Message Authentication Code (CCM) - A mode of operation for a symmetric key block cipher algorithm. It combines the techniques of the Counter (CTR) mode and the Cipher Block Chaining- Message Authentication Code (CBC-MAC) algorithm to provide assurance of the confidentiality and the authenticity of computer data. SOURCE: SP 800-38C