增加websocket支持

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

@@ -115,21 +115,19 @@ func (c *state) Clone() ShakeHash {
 // Its generic security strength is 128 bits against all attacks if at
 // least 32 bytes of its output are used.
 func NewShake128() ShakeHash {
-	return newShake128()
+	if h := newShake128Asm(); h != nil {
+		return h
+	}
+	return &state{rate: rate128, outputLen: 32, dsbyte: dsbyteShake}
 }
 
 // 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 {
-	return newShake256()
-}
-
-func newShake128Generic() *state {
-	return &state{rate: rate128, outputLen: 32, dsbyte: dsbyteShake}
-}
-
-func newShake256Generic() *state {
+	if h := newShake256Asm(); h != nil {
+		return h
+	}
 	return &state{rate: rate256, outputLen: 64, dsbyte: dsbyteShake}
 }