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Diffstat (limited to 'securecookie.go')
-rw-r--r--securecookie.go4
1 files changed, 3 insertions, 1 deletions
diff --git a/securecookie.go b/securecookie.go
index 9147f6a..74b8acc 100644
--- a/securecookie.go
+++ b/securecookie.go
@@ -25,6 +25,8 @@ import (
var (
errNoCodecs = errors.New("securecookie: no codecs provided")
errHashKeyNotSet = errors.New("securecookie: hash key is not set")
+
+ ErrMacInvalid = errors.New("securecookie: the value is not valid")
)
// Codec defines an interface to encode and decode cookie values.
@@ -256,7 +258,7 @@ func verifyMac(h hash.Hash, value []byte, mac []byte) error {
if len(mac) == len(mac2) && subtle.ConstantTimeCompare(mac, mac2) == 1 {
return nil
}
- return errors.New("securecookie: the value is not valid")
+ return ErrMacInvalid
}
// Encryption -----------------------------------------------------------------