KExp15/KImp15

[pygost.git] / pygost / test_wrap.py

diff --git a/pygost/test_wrap.py b/pygost/test_wrap.py
index 9576ba9db5b630e1405244b900834d64d4b8bde3..6949195acf5ada0ad63420ff21604cbd02c80508 100644 (file)
--- a/pygost/test_wrap.py
+++ b/pygost/test_wrap.py
@@ -17,6 +17,11 @@
 from os import urandom
 from unittest import TestCase
 
+from pygost.gost3412 import GOST3412Kuznechik
+from pygost.gost3412 import GOST3412Magma
+from pygost.utils import hexdec
+from pygost.wrap import kexp15
+from pygost.wrap import kimp15
 from pygost.wrap import unwrap_cryptopro
 from pygost.wrap import unwrap_gost
 from pygost.wrap import wrap_cryptopro
@@ -49,3 +54,55 @@ class WrapCryptoproTest(TestCase):
             wrapped = wrap_cryptopro(ukm, kek, cek)
             unwrapped = unwrap_cryptopro(kek, wrapped)
             self.assertSequenceEqual(unwrapped, cek)
+
+
+class TestVectorKExp15(TestCase):
+    """Test vectors from Р 1323565.1.017-2018
+    """
+    key = hexdec("8899AABBCCDDEEFF0011223344556677FEDCBA98765432100123456789ABCDEF")
+    key_enc = hexdec("202122232425262728292A2B2C2D2E2F38393A3B3C3D3E3F3031323334353637")
+    key_mac = hexdec("08090A0B0C0D0E0F0001020304050607101112131415161718191A1B1C1D1E1F")
+
+    def test_magma(self):
+        iv = hexdec("67BED654")
+        kexp = kexp15(
+            GOST3412Magma(self.key_enc).encrypt,
+            GOST3412Magma(self.key_mac).encrypt,
+            GOST3412Magma.blocksize,
+            self.key,
+            iv,
+        )
+        self.assertSequenceEqual(kexp, hexdec("""
+CF D5 A1 2D 5B 81 B6 E1 E9 9C 91 6D 07 90 0C 6A
+C1 27 03 FB 3A BD ED 55 56 7B F3 74 2C 89 9C 75
+5D AF E7 B4 2E 3A 8B D9
+        """.replace("\n", "").replace(" ", "")))
+        self.assertSequenceEqual(kimp15(
+            GOST3412Magma(self.key_enc).encrypt,
+            GOST3412Magma(self.key_mac).encrypt,
+            GOST3412Magma.blocksize,
+            kexp,
+            iv,
+        ), self.key)
+
+    def test_kuznechik(self):
+        iv = hexdec("0909472DD9F26BE8")
+        kexp = kexp15(
+            GOST3412Kuznechik(self.key_enc).encrypt,
+            GOST3412Kuznechik(self.key_mac).encrypt,
+            GOST3412Kuznechik.blocksize,
+            self.key,
+            iv,
+        )
+        self.assertSequenceEqual(kexp, hexdec("""
+E3 61 84 E8 4E 8D 73 6F F3 6C C2 E5 AE 06 5D C6
+56 B2 3C 20 F5 49 B0 2F DF F8 8E 1F 3F 30 D8 C2
+9A 53 F3 CA 55 4D BA D8 0D E1 52 B9 A4 62 5B 32
+        """.replace("\n", "").replace(" ", "")))
+        self.assertSequenceEqual(kimp15(
+            GOST3412Kuznechik(self.key_enc).encrypt,
+            GOST3412Kuznechik(self.key_mac).encrypt,
+            GOST3412Kuznechik.blocksize,
+            kexp,
+            iv,
+        ), self.key)