update dependencies (#6267)
Signed-off-by: hongming <coder.scala@gmail.com>
This commit is contained in:
47
vendor/golang.org/x/crypto/sha3/shake.go
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vendored
47
vendor/golang.org/x/crypto/sha3/shake.go
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vendored
@@ -17,26 +17,25 @@ package sha3
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import (
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"encoding/binary"
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"hash"
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"io"
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)
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// ShakeHash defines the interface to hash functions that
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// support arbitrary-length output.
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// ShakeHash defines the interface to hash functions that support
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// arbitrary-length output. When used as a plain [hash.Hash], it
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// produces minimum-length outputs that provide full-strength generic
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// security.
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type ShakeHash interface {
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// Write absorbs more data into the hash's state. It panics if input is
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// written to it after output has been read from it.
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io.Writer
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hash.Hash
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// Read reads more output from the hash; reading affects the hash's
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// state. (ShakeHash.Read is thus very different from Hash.Sum)
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// It never returns an error.
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// It never returns an error, but subsequent calls to Write or Sum
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// will panic.
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io.Reader
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// Clone returns a copy of the ShakeHash in its current state.
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Clone() ShakeHash
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// Reset resets the ShakeHash to its initial state.
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Reset()
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}
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// cSHAKE specific context
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@@ -81,14 +80,14 @@ func leftEncode(value uint64) []byte {
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return b[i-1:]
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}
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func newCShake(N, S []byte, rate int, dsbyte byte) ShakeHash {
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c := cshakeState{state: &state{rate: rate, dsbyte: dsbyte}}
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func newCShake(N, S []byte, rate, outputLen int, dsbyte byte) ShakeHash {
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c := cshakeState{state: &state{rate: rate, outputLen: outputLen, dsbyte: dsbyte}}
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// leftEncode returns max 9 bytes
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c.initBlock = make([]byte, 0, 9*2+len(N)+len(S))
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c.initBlock = append(c.initBlock, leftEncode(uint64(len(N)*8))...)
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c.initBlock = append(c.initBlock, leftEncode(uint64(len(N))*8)...)
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c.initBlock = append(c.initBlock, N...)
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c.initBlock = append(c.initBlock, leftEncode(uint64(len(S)*8))...)
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c.initBlock = append(c.initBlock, leftEncode(uint64(len(S))*8)...)
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c.initBlock = append(c.initBlock, S...)
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c.Write(bytepad(c.initBlock, c.rate))
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return &c
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@@ -116,20 +115,22 @@ func (c *state) Clone() ShakeHash {
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// Its generic security strength is 128 bits against all attacks if at
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// least 32 bytes of its output are used.
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func NewShake128() ShakeHash {
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if h := newShake128Asm(); h != nil {
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return h
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}
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return &state{rate: rate128, dsbyte: dsbyteShake}
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return newShake128()
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}
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// NewShake256 creates a new SHAKE256 variable-output-length ShakeHash.
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// Its generic security strength is 256 bits against all attacks if
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// at least 64 bytes of its output are used.
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func NewShake256() ShakeHash {
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if h := newShake256Asm(); h != nil {
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return h
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}
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return &state{rate: rate256, dsbyte: dsbyteShake}
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return newShake256()
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}
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func newShake128Generic() *state {
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return &state{rate: rate128, outputLen: 32, dsbyte: dsbyteShake}
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}
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func newShake256Generic() *state {
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return &state{rate: rate256, outputLen: 64, dsbyte: dsbyteShake}
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}
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// NewCShake128 creates a new instance of cSHAKE128 variable-output-length ShakeHash,
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@@ -142,7 +143,7 @@ func NewCShake128(N, S []byte) ShakeHash {
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if len(N) == 0 && len(S) == 0 {
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return NewShake128()
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}
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return newCShake(N, S, rate128, dsbyteCShake)
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return newCShake(N, S, rate128, 32, dsbyteCShake)
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}
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// NewCShake256 creates a new instance of cSHAKE256 variable-output-length ShakeHash,
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@@ -155,7 +156,7 @@ func NewCShake256(N, S []byte) ShakeHash {
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if len(N) == 0 && len(S) == 0 {
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return NewShake256()
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}
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return newCShake(N, S, rate256, dsbyteCShake)
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return newCShake(N, S, rate256, 64, dsbyteCShake)
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}
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// ShakeSum128 writes an arbitrary-length digest of data into hash.
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