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Make error messages less crypting when revealing an unobscured password - fixes #1743

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This commit is contained in:
Nick Craig-Wood 2017-10-16 22:03:06 +01:00
parent ef1346602e
commit 115053930e
1 changed files with 3 additions and 3 deletions
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6
fs/config.go
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@ -182,15 +182,15 @@ func MustObscure(x string) string {
func Reveal(x string) (string, error) { func Reveal(x string) (string, error) {
ciphertext, err := base64.RawURLEncoding.DecodeString(x) ciphertext, err := base64.RawURLEncoding.DecodeString(x)
if err != nil { if err != nil {
return "", errors.Wrap(err, "base64 decode failed") return "", errors.Wrap(err, "base64 decode failed when revealing password - is it obscured?")
} }
if len(ciphertext) < aes.BlockSize { if len(ciphertext) < aes.BlockSize {
return "", errors.New("input too short") return "", errors.New("input too short when revealing password - is it obscured?")
} }
buf := ciphertext[aes.BlockSize:] buf := ciphertext[aes.BlockSize:]
iv := ciphertext[:aes.BlockSize] iv := ciphertext[:aes.BlockSize]
if err := crypt(buf, buf, iv); err != nil { if err := crypt(buf, buf, iv); err != nil {
return "", errors.Wrap(err, "decrypt failed") return "", errors.Wrap(err, "decrypt failed when revealing password - is it obscured?")
} }
return string(buf), nil return string(buf), nil
} }