return err } s.initBlock = bytes.Clone(b[marshaledSize:]) return nil } // NewShake128 creates a new SHAKE128 XOF. func NewShake128() *SHAKE { return &SHAKE{d: Digest{rate: rateK256, outputLen: 32, dsbyte: dsbyteShake}} } // NewShake256 creates a new SHAKE256 XOF. func NewShake256() *SHAKE { return &SHAKE{d: Digest{rate: rateK512, outputLen: 64, dsbyte: dsbyteShake}} } // NewCShake128 creates a new cSHAKE128 XOF. // // N is used to define functions based on cSHAKE, it can be empty when plain // cSHAKE...