Clone returns a copy of the SHAKE context in its current state. func (s *SHAKE) Clone() *SHAKE { ret := *s return &ret } func (s *SHAKE) MarshalBinary() ([]byte, error) { return s.AppendBinary(make([]byte, 0, marshaledSize+len(s.initBlock))) } func (s *SHAKE) AppendBinary(b []byte) ([]byte, error) { b, err := s.d.AppendBinary(b) if err != nil { return nil, err } b = append(b, s.initBlock...) return b, nil } func (s *SHAKE) UnmarshalBinary(b []byte) error { if len(b) < marshaledSize { return errors.New("sha3:...