change error message

emmansun · Feb 25, 2022 · 8bf00b0 · 8bf00b0
1 parent d4c1f4d
commit 8bf00b0
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/padding/ansi_x923.go b/padding/ansi_x923.go
@@ -26,7 +26,7 @@ func (pad ansiX923Padding) Pad(src []byte) []byte {
 func (pad ansiX923Padding) Unpad(src []byte) ([]byte, error) {
 	srcLen := len(src)
 	if srcLen == 0 || srcLen%pad.BlockSize() != 0 {
-		return nil, errors.New("ansi x9.23: invalid src length")
+		return nil, errors.New("ansi x9.23: src length is not multiple of block size")
 	}
 	paddedLen := src[srcLen-1]
 	if paddedLen == 0 || int(paddedLen) > pad.BlockSize() {

diff --git a/padding/pkcs7.go b/padding/pkcs7.go
@@ -25,7 +25,7 @@ func (pad pkcs7Padding) Pad(src []byte) []byte {
 func (pad pkcs7Padding) Unpad(src []byte) ([]byte, error) {
 	srcLen := len(src)
 	if srcLen == 0 || srcLen%pad.BlockSize() != 0 {
-		return nil, errors.New("pkcs7: invalid src length")
+		return nil, errors.New("pkcs7: src length is not multiple of block size")
 	}
 	paddedLen := src[srcLen-1]
 	if paddedLen == 0 || int(paddedLen) > pad.BlockSize() {