[]byte, rate, outputLen int, dsbyte byte) *SHAKE { c.d = Digest{rate: rate, outputLen: outputLen, dsbyte: dsbyte} c.initBlock = make([]byte, 0, 9+len(N)+9+len(S)) // leftEncode returns max 9 bytes c.initBlock = append(c.initBlock, leftEncode(uint64(len(N))*8)...) c.initBlock = append(c.initBlock, N...) c.initBlock = append(c.initBlock, leftEncode(uint64(len(S))*8)...) c.initBlock = append(c.initBlock, S...) bytepadWrite(c, c.initBlock, c.d.rate) return c } func (s *SHAKE) BlockSize() int { return s.d.BlockSize()...