X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=src%2Fcypherpunks.ru%2Fgogost%2Fgost3410%2Fprivate.go;h=ced3b89527e86a6568fe85d1497f1446e5eb6869;hb=3f0105abe94dc598a5aa321abb6437f5b492d675;hp=d4c5c1e9e7d8015bf67c38c39d50373063ab6596;hpb=92e0d038de014c8b3eebc0beba3ef9fe906dd8e3;p=gogost.git

diff --git a/src/cypherpunks.ru/gogost/gost3410/private.go b/src/cypherpunks.ru/gogost/gost3410/private.go
index d4c5c1e..ced3b89 100644
--- a/src/cypherpunks.ru/gogost/gost3410/private.go
+++ b/src/cypherpunks.ru/gogost/gost3410/private.go
@@ -1,5 +1,5 @@
 // GoGOST -- Pure Go GOST cryptographic functions library
-// Copyright (C) 2015-2016 Sergey Matveev <stargrave@stargrave.org>
+// Copyright (C) 2015-2019 Sergey Matveev <stargrave@stargrave.org>
 //
 // 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
@@ -30,11 +30,12 @@ type PrivateKey struct {
 
 func NewPrivateKey(curve *Curve, mode Mode, raw []byte) (*PrivateKey, error) {
 	if len(raw) != int(mode) {
-		errors.New("Invalid private key length")
+		return nil, errors.New("Invalid private key length")
 	}
 	key := make([]byte, int(mode))
-	copy(key, raw)
-	reverse(key)
+	for i := 0; i < len(key); i++ {
+		key[i] = raw[len(raw)-i-1]
+	}
 	k := bytes2big(key)
 	if k.Cmp(zero) == 0 {
 		return nil, errors.New("Zero private key")