cmac

Documentation

Overview

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.

Index

• Constants
• func New(key []byte) (hash.Hash, error)

Constants

const Size = aes.BlockSize

The size of an AES-CMAC checksum, in bytes.

Functions

func New

func New(key []byte) (hash.Hash, error)

New returns an AES-CMAC hash using the supplied key. The key must be 16, 24, or 32 bytes long.