Cryptographic hash functions are a key building block in embedded security. They take input data of any size and convert it into a fixed-length value, called a hash or message digest. This hash acts ...

The National Institute of Standards and Technology (NIST) is recommending a new algorithm for authenticating digital data for federal agencies. Called CMAC (cipher-based message authentication code), ...

The main purpose of message authentication is to prevent manipulation of the message which is sent. MAC stands for Message Authentication Code which is also known as “Integrity check value” or ...