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-rw-r--r--internal/nametransform/names.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/internal/nametransform/names.go b/internal/nametransform/names.go
index 4930488..89ce0db 100644
--- a/internal/nametransform/names.go
+++ b/internal/nametransform/names.go
@@ -10,6 +10,7 @@ import (
"github.com/rfjakob/eme"
"github.com/rfjakob/gocryptfs/internal/cryptocore"
+ "github.com/rfjakob/gocryptfs/internal/tlog"
)
type NameTransform struct {
@@ -42,7 +43,11 @@ func (n *NameTransform) DecryptName(cipherName string, iv []byte) (string, error
bin = eme.Transform(n.cryptoCore.BlockCipher, iv, bin, eme.DirectionDecrypt)
bin, err = unPad16(bin)
if err != nil {
- return "", err
+ tlog.Debug.Printf("pad16 error detail: %v", err)
+ // unPad16 returns detailed errors including the position of the
+ // incorrect bytes. Kill the padding oracle by lumping everything into
+ // a generic error.
+ return "", fmt.Errorf("Invalid padding")
}
plain := string(bin)
return plain, err