// Copyright 2012 Aaron Jacobs. All Rights Reserved. // Author: aaronjjacobs@gmail.com (Aaron Jacobs) // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // Package cmac implements the CMAC mode for message authentication, as defined // by NIST Special Publication 800-38B. When a 16-byte key is used, this // matches the AES-CMAC algorithm defined by RFC 4493. package cmac