go.cypherpunks.ru namespace usage

[gogost.git] / gost341264 / cipher_test.go

diff --git a/gost341264/cipher_test.go b/gost341264/cipher_test.go
new file mode 100644 (file)
index 0000000..4fff111
--- /dev/null
+++ b/gost341264/cipher_test.go
@@ -0,0 +1,47 @@
+// GoGOST -- Pure Go GOST cryptographic functions library
+// 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
+// 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
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package gost341264
+
+import (
+       "bytes"
+       "crypto/cipher"
+       "testing"
+)
+
+func TestCipherInterface(t *testing.T) {
+       var _ cipher.Block = NewCipher(make([]byte, KeySize))
+}
+
+func TestVector(t *testing.T) {
+       key := []byte{
+               0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88,
+               0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00,
+               0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+               0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
+       }
+       pt := [BlockSize]byte{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}
+       ct := [BlockSize]byte{0x4e, 0xe9, 0x01, 0xe5, 0xc2, 0xd8, 0xca, 0x3d}
+       c := NewCipher(key)
+       dst := make([]byte, BlockSize)
+       c.Encrypt(dst, pt[:])
+       if bytes.Compare(dst, ct[:]) != 0 {
+               t.FailNow()
+       }
+       c.Decrypt(dst, dst)
+       if bytes.Compare(dst, pt[:]) != 0 {
+               t.FailNow()
+       }
+}