Most functions Big Money Rush should think about using the new KeyObject API instead of passing keys as strings or Buffers because of improved safety features. Updates the Hmac content with the given information, the encoding of which is given in inputEncoding. Updates the hash content with the given information, the encoding of which is given in inputEncoding. Calculates the digest of the entire data handed to be hashed (using thehash.replace() methodology). If encoding is offered a string might be returned; otherwise a Buffer is returned.