go/src/vendor/golang.org/x/crypto/sha3/shake.go

type ShakeHash …

type cshakeState …

const dsbyteShake …

const dsbyteCShake …

const rate128 …

const rate256 …

func bytepad(input []byte, w int) []byte { … }

func leftEncode(value uint64) []byte { … }

func newCShake(N, S []byte, rate, outputLen int, dsbyte byte) ShakeHash { … }

// Reset resets the hash to initial state.
func (c *cshakeState) Reset() { … }

// Clone returns copy of a cSHAKE context within its current state.
func (c *cshakeState) Clone() ShakeHash { … }

// Clone returns copy of SHAKE context within its current state.
func (c *state) Clone() ShakeHash { … }

// NewShake128 creates a new SHAKE128 variable-output-length ShakeHash.
// Its generic security strength is 128 bits against all attacks if at
// least 32 bytes of its output are used.
func NewShake128() ShakeHash { … }

// NewShake256 creates a new SHAKE256 variable-output-length ShakeHash.
// Its generic security strength is 256 bits against all attacks if
// at least 64 bytes of its output are used.
func NewShake256() ShakeHash { … }

func newShake128Generic() *state { … }

func newShake256Generic() *state { … }

// NewCShake128 creates a new instance of cSHAKE128 variable-output-length ShakeHash,
// a customizable variant of SHAKE128.
// N is used to define functions based on cSHAKE, it can be empty when plain cSHAKE is
// desired. S is a customization byte string used for domain separation - two cSHAKE
// computations on same input with different S yield unrelated outputs.
// When N and S are both empty, this is equivalent to NewShake128.
func NewCShake128(N, S []byte) ShakeHash { … }

// NewCShake256 creates a new instance of cSHAKE256 variable-output-length ShakeHash,
// a customizable variant of SHAKE256.
// N is used to define functions based on cSHAKE, it can be empty when plain cSHAKE is
// desired. S is a customization byte string used for domain separation - two cSHAKE
// computations on same input with different S yield unrelated outputs.
// When N and S are both empty, this is equivalent to NewShake256.
func NewCShake256(N, S []byte) ShakeHash { … }

// ShakeSum128 writes an arbitrary-length digest of data into hash.
func ShakeSum128(hash, data []byte) { … }

// ShakeSum256 writes an arbitrary-length digest of data into hash.
func ShakeSum256(hash, data []byte) { … }