X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=src%2Fcypherpunks.ru%2Fgogost%2Fgost341264%2Fcipher.go;h=813d79da15caeaba0e9d17a8e6285308bec1ef76;hb=69e668f3499122e0b1140f3bd927de41ad279b94;hp=68a43b8d38dba13a3c7571a7c82ed3b4976d1456;hpb=9be6f384bae8ebeabc129ede9f8a597de12835d3;p=gogost.git

diff --git a/src/cypherpunks.ru/gogost/gost341264/cipher.go b/src/cypherpunks.ru/gogost/gost341264/cipher.go
index 68a43b8..813d79d 100644
--- a/src/cypherpunks.ru/gogost/gost341264/cipher.go
+++ b/src/cypherpunks.ru/gogost/gost341264/cipher.go
@@ -31,8 +31,11 @@ type Cipher struct {
 	blk *[BlockSize]byte
 }
 
-func NewCipher(key [KeySize]byte) *Cipher {
-	keyCompatible := new([KeySize]byte)
+func NewCipher(key []byte) *Cipher {
+	if len(key) != KeySize {
+		panic("invalid key size")
+	}
+	keyCompatible := make([]byte, KeySize)
 	for i := 0; i < KeySize/4; i++ {
 		keyCompatible[i*4+0] = key[i*4+3]
 		keyCompatible[i*4+1] = key[i*4+2]
@@ -40,10 +43,7 @@ func NewCipher(key [KeySize]byte) *Cipher {
 		keyCompatible[i*4+3] = key[i*4+0]
 	}
 	return &Cipher{
-		c: gost28147.NewCipher(
-			*keyCompatible,
-			&gost28147.SboxIdtc26gost28147paramZ,
-		),
+		c:   gost28147.NewCipher(keyCompatible, &gost28147.SboxIdtc26gost28147paramZ),
 		blk: new([BlockSize]byte),
 	}
 }