hmac.new()

hmac.new(key, msg=None, digestmod=None)

Return a new hmac object. key is a bytes or bytearray object giving the secret key. If msg is present, the method call update(msg) is made. digestmod is the digest name, digest constructor or module for the HMAC object to use. It supports any name suitable to hashlib.new() and defaults to the hashlib.md5 constructor.