Revert "fix range error: 256-> 255"

MingLLuo · MingLLuo · commit 25dd68e15129 · 2024-03-11T21:51:50.000+08:00
This reverts commit 31d9a5d.
diff --git a/sha3/shake.go b/sha3/shake.go
@@ -82,8 +82,8 @@ func leftEncode(value uint64) []byte {
 }
 
 func newCShake(N, S []byte, rate, outputLen int, dsbyte byte) (ShakeHash, error) {
-	if len(N) >= 255 || len(S) >= 255 {
-		return nil, errors.New("crypto/cSHAKE: N and S should less than 255 bytes")
+	if len(N) >= 256 || len(S) >= 256 {
+		return nil, errors.New("crypto/cSHAKE: N and S can be at most 255 bytes long")
 	}
 
 	c := cshakeState{state: &state{rate: rate, outputLen: outputLen, dsbyte: dsbyte}}

Original file line number	Diff line number	Diff line change
`@@ -82,8 +82,8 @@ func leftEncode(value uint64) []byte {`
`82`	`82`	`}`
`83`	`83`
`84`	`84`	`func newCShake(N, S []byte, rate, outputLen int, dsbyte byte) (ShakeHash, error) {`
`85`		`- if len(N) >= 255 \|\| len(S) >= 255 {`
`86`		`- return nil, errors.New("crypto/cSHAKE: N and S should less than 255 bytes")`
	`85`	`+ if len(N) >= 256 \|\| len(S) >= 256 {`
	`86`	`+ return nil, errors.New("crypto/cSHAKE: N and S can be at most 255 bytes long")`
`87`	`87`	`}`
`88`	`88`
`89`	`89`	`c := cshakeState{state: &state{rate: rate, outputLen: outputLen, dsbyte: dsbyte}}`