Forbid any later GNU GPL versions autousage

[gogost.git] / src / cypherpunks.ru / gogost / gost3412128 / cipher.go

diff --git a/src/cypherpunks.ru/gogost/gost3412128/cipher.go b/src/cypherpunks.ru/gogost/gost3412128/cipher.go
index 9281892b7a5acbafe919441d7d885c3714b0d97b..e3759530db0cd5532f1ce4ff651a45b238c9693d 100644 (file)
--- a/src/cypherpunks.ru/gogost/gost3412128/cipher.go
+++ b/src/cypherpunks.ru/gogost/gost3412128/cipher.go
@@ -3,8 +3,7 @@
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
+// the Free Software Foundation, version 3 of the License.
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -132,7 +131,10 @@ func (c *Cipher) BlockSize() int {
        return BlockSize
 }
 
-func NewCipher(key [KeySize]byte) *Cipher {
+func NewCipher(key []byte) *Cipher {
+       if len(key) != KeySize {
+               panic("invalid key size")
+       }
        ks := new([10]*[BlockSize]byte)
        kr0 := new([BlockSize]byte)
        kr1 := new([BlockSize]byte)