go.cypherpunks.ru namespace usage

[gogost.git] / gost3410 / vko2001_test.go

diff --git a/gost3410/vko2001_test.go b/gost3410/vko2001_test.go
new file mode 100644 (file)
index 0000000..2993161
--- /dev/null
+++ b/gost3410/vko2001_test.go
@@ -0,0 +1,67 @@
+// 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 gost3410
+
+import (
+       "bytes"
+       "encoding/hex"
+       "testing"
+       "testing/quick"
+)
+
+func TestVKO2001(t *testing.T) {
+       c := CurveIdGostR34102001TestParamSet()
+       ukmRaw, _ := hex.DecodeString("5172be25f852a233")
+       ukm := NewUKM(ukmRaw)
+       prvRaw1, _ := hex.DecodeString("1df129e43dab345b68f6a852f4162dc69f36b2f84717d08755cc5c44150bf928")
+       prvRaw2, _ := hex.DecodeString("5b9356c6474f913f1e83885ea0edd5df1a43fd9d799d219093241157ac9ed473")
+       kek, _ := hex.DecodeString("ee4618a0dbb10cb31777b4b86a53d9e7ef6cb3e400101410f0c0f2af46c494a6")
+       prv1, _ := NewPrivateKey(c, Mode2001, prvRaw1)
+       prv2, _ := NewPrivateKey(c, Mode2001, prvRaw2)
+       pub1, _ := prv1.PublicKey()
+       pub2, _ := prv2.PublicKey()
+       kek1, _ := prv1.KEK2001(pub2, ukm)
+       kek2, _ := prv2.KEK2001(pub1, ukm)
+       if bytes.Compare(kek1, kek2) != 0 {
+               t.FailNow()
+       }
+       if bytes.Compare(kek1, kek) != 0 {
+               t.FailNow()
+       }
+}
+
+func TestRandomVKO2001(t *testing.T) {
+       c := CurveIdGostR34102001TestParamSet()
+       f := func(prvRaw1 [32]byte, prvRaw2 [32]byte, ukmRaw [8]byte) bool {
+               prv1, err := NewPrivateKey(c, Mode2001, prvRaw1[:])
+               if err != nil {
+                       return false
+               }
+               prv2, err := NewPrivateKey(c, Mode2001, prvRaw2[:])
+               if err != nil {
+                       return false
+               }
+               pub1, _ := prv1.PublicKey()
+               pub2, _ := prv2.PublicKey()
+               ukm := NewUKM(ukmRaw[:])
+               kek1, _ := prv1.KEK2001(pub2, ukm)
+               kek2, _ := prv2.KEK2001(pub1, ukm)
+               return bytes.Compare(kek1, kek2) == 0
+       }
+       if err := quick.Check(f, nil); err != nil {
+               t.Error(err)
+       }
+}