X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=gost28147%2Fcbc_test.go;fp=gost28147%2Fcbc_test.go;h=f861ec43566bf58e2ac9689f3771aa2f1c35a8be;hb=c07494bbd559b9d00f391e28cfd070e18afe9900;hp=0000000000000000000000000000000000000000;hpb=107600dede989f0cc479b5a72c5f97e174307154;p=gogost.git

diff --git a/gost28147/cbc_test.go b/gost28147/cbc_test.go
new file mode 100644
index 0000000..f861ec4
--- /dev/null
+++ b/gost28147/cbc_test.go
@@ -0,0 +1,41 @@
+// 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 gost28147
+
+import (
+	"bytes"
+	"crypto/cipher"
+	"testing"
+	"testing/quick"
+)
+
+func TestCBCCrypter(t *testing.T) {
+	f := func(key [KeySize]byte, iv [BlockSize]byte, pt []byte) bool {
+		c := NewCipher(key[:], SboxDefault)
+		for i := 0; i < BlockSize; i++ {
+			pt = append(pt, pt...)
+		}
+		ct := make([]byte, len(pt))
+		e := cipher.NewCBCEncrypter(c, iv[:])
+		e.CryptBlocks(ct, pt)
+		d := cipher.NewCBCDecrypter(c, iv[:])
+		d.CryptBlocks(ct, ct)
+		return bytes.Compare(pt, ct) == 0
+	}
+	if err := quick.Check(f, nil); err != nil {
+		t.Error(err)
+	}
+}