/**
  * Copy constructor.  This will copy the state of the provided
  * message digest.
  */
 public Sha256Digest(Sha256Digest t) : base(t)
 {
     CopyIn(t);
 }
        public override void Reset(IMemoable other)
        {
            Sha256Digest d = (Sha256Digest)other;

            CopyIn(d);
        }