diff options
Diffstat (limited to 'crypto/test')
| -rw-r--r-- | crypto/test/src/crypto/test/GMacTest.cs | 184 | ||||
| -rw-r--r-- | crypto/test/src/crypto/test/RegressionTest.cs | 1 |
2 files changed, 185 insertions, 0 deletions
diff --git a/crypto/test/src/crypto/test/GMacTest.cs b/crypto/test/src/crypto/test/GMacTest.cs new file mode 100644 index 000000000..0f0e84e2a --- /dev/null +++ b/crypto/test/src/crypto/test/GMacTest.cs @@ -0,0 +1,184 @@ +using System; + +using NUnit.Framework; + +using Org.BouncyCastle.Crypto.Engines; +using Org.BouncyCastle.Crypto.Macs; +using Org.BouncyCastle.Crypto.Modes; +using Org.BouncyCastle.Crypto.Parameters; +using Org.BouncyCastle.Utilities.Encoders; +using Org.BouncyCastle.Utilities.Test; + +namespace Org.BouncyCastle.Crypto.Tests +{ + /** + * Test vectors for AES-GMAC, extracted from <a + * href="http://csrc.nist.gov/groups/STM/cavp/documents/mac/gcmtestvectors.zip">NIST CAVP GCM test + * vectors</a>. + * + */ + [TestFixture] + public class GMacTest + : SimpleTest + { + private class TestCase + { + private byte[] key; + private byte[] iv; + private byte[] ad; + private byte[] tag; + private string name; + + internal TestCase(string name, string key, string iv, string ad, string tag) + { + this.name = name; + this.key = Hex.Decode(key); + this.iv = Hex.Decode(iv); + this.ad = Hex.Decode(ad); + this.tag = Hex.Decode(tag); + } + + public string getName() + { + return name; + } + + public byte[] getKey() + { + return key; + } + + public byte[] getIv() + { + return iv; + } + + public byte[] getAd() + { + return ad; + } + + public byte[] getTag() + { + return tag; + } + } + + private TestCase[] TEST_VECTORS = new TestCase[] { + // Count = 0, from each of the PTlen = 0 test vector sequences + new TestCase("128/96/0/128", "11754cd72aec309bf52f7687212e8957", "3c819d9a9bed087615030b65", "", + "250327c674aaf477aef2675748cf6971"), + new TestCase("128/96/0/120", "272f16edb81a7abbea887357a58c1917", "794ec588176c703d3d2a7a07", "", + "b6e6f197168f5049aeda32dafbdaeb"), + new TestCase("128/96/0/112", "81b6844aab6a568c4556a2eb7eae752f", "ce600f59618315a6829bef4d", "", + "89b43e9dbc1b4f597dbbc7655bb5"), + new TestCase("128/96/0/104", "cde2f9a9b1a004165ef9dc981f18651b", "29512c29566c7322e1e33e8e", "", + "2e58ce7dabd107c82759c66a75"), + new TestCase("128/96/0/96", "b01e45cc3088aaba9fa43d81d481823f", "5a2c4a66468713456a4bd5e1", "", + "014280f944f53c681164b2ff"), + + new TestCase("128/96/128/128", "77be63708971c4e240d1cb79e8d77feb", "e0e00f19fed7ba0136a797f3", + "7a43ec1d9c0a5a78a0b16533a6213cab", "209fcc8d3675ed938e9c7166709dd946"), + new TestCase("128/96/128/96", "bea48ae4980d27f357611014d4486625", "32bddb5c3aa998a08556454c", + "8a50b0b8c7654bced884f7f3afda2ead", "8e0f6d8bf05ffebe6f500eb1"), + + new TestCase("128/96/384/128", "99e3e8793e686e571d8285c564f75e2b", "c2dd0ab868da6aa8ad9c0d23", + "b668e42d4e444ca8b23cfdd95a9fedd5178aa521144890b093733cf5cf22526c5917ee476541809ac6867a8c399309fc", + "3f4fba100eaf1f34b0baadaae9995d85"), + new TestCase("128/96/384/96", "c77acd1b0918e87053cb3e51651e7013", "39ff857a81745d10f718ac00", + "407992f82ea23b56875d9a3cb843ceb83fd27cb954f7c5534d58539fe96fb534502a1b38ea4fac134db0a42de4be1137", + "2a5dc173285375dc82835876"), + + new TestCase( + "128/1024/0/128", + "d0f1f4defa1e8c08b4b26d576392027c", + "42b4f01eb9f5a1ea5b1eb73b0fb0baed54f387ecaa0393c7d7dffc6af50146ecc021abf7eb9038d4303d91f8d741a11743166c0860208bcc02c6258fd9511a2fa626f96d60b72fcff773af4e88e7a923506e4916ecbd814651e9f445adef4ad6a6b6c7290cc13b956130eef5b837c939fcac0cbbcc9656cd75b13823ee5acdac", + "", "7ab49b57ddf5f62c427950111c5c4f0d"), + new TestCase( + "128/1024/384/96", + "3cce72d37933394a8cac8a82deada8f0", + "aa2f0d676d705d9733c434e481972d4888129cf7ea55c66511b9c0d25a92a174b1e28aa072f27d4de82302828955aadcb817c4907361869bd657b45ff4a6f323871987fcf9413b0702d46667380cd493ed24331a28b9ce5bbfa82d3a6e7679fcce81254ba64abcad14fd18b22c560a9d2c1cd1d3c42dac44c683edf92aced894", + "5686b458e9c176f4de8428d9ebd8e12f569d1c7595cf49a4b0654ab194409f86c0dd3fdb8eb18033bb4338c70f0b97d1", + "a3a9444b21f330c3df64c8b6"), }; + + public override void PerformTest() + { + for (int i = 0; i < TEST_VECTORS.Length; i++) + { + TestCase testCase = TEST_VECTORS[i]; + + IMac mac = new GMac(new GcmBlockCipher(new AesFastEngine()), testCase.getTag().Length * 8); + ICipherParameters key = new KeyParameter(testCase.getKey()); + mac.Init(new ParametersWithIV(key, testCase.getIv())); + + testSingleByte(mac, testCase); + testMultibyte(mac, testCase); + } + + // Invalid mac size + testInvalidMacSize(97); + testInvalidMacSize(136); + testInvalidMacSize(88); + testInvalidMacSize(64); + } + + private void testInvalidMacSize(int size) + { + try + { + GMac mac = new GMac(new GcmBlockCipher(new AesFastEngine()), size); + mac.Init(new ParametersWithIV(null, new byte[16])); + Fail("Expected failure for illegal mac size " + size); + } + catch (ArgumentException) + { + } + } + + private void testMultibyte(IMac mac, TestCase testCase) + { + mac.BlockUpdate(testCase.getAd(), 0, testCase.getAd().Length); + checkMac(mac, testCase); + } + + private void testSingleByte(IMac mac, TestCase testCase) + { + byte[] ad = testCase.getAd(); + for (int i = 0; i < ad.Length; i++) + { + mac.Update(ad[i]); + } + checkMac(mac, testCase); + } + + private void checkMac(IMac mac, TestCase testCase) + { + byte[] generatedMac = new byte[mac.GetMacSize()]; + mac.DoFinal(generatedMac, 0); + if (!AreEqual(testCase.getTag(), generatedMac)) + { + Fail("Failed " + testCase.getName() + " - expected " + Hex.ToHexString(testCase.getTag()) + " got " + + Hex.ToHexString(generatedMac)); + } + } + + public override string Name + { + get { return "GMac"; } + } + + public static void Main( + string[] args) + { + RunTest(new GMacTest()); + } + + [Test] + public void TestFunction() + { + string resultText = Perform().ToString(); + + Assert.AreEqual(Name + ": Okay", resultText); + } + } +} diff --git a/crypto/test/src/crypto/test/RegressionTest.cs b/crypto/test/src/crypto/test/RegressionTest.cs index 687e9ee4f..4a2723b21 100644 --- a/crypto/test/src/crypto/test/RegressionTest.cs +++ b/crypto/test/src/crypto/test/RegressionTest.cs @@ -98,6 +98,7 @@ namespace Org.BouncyCastle.Crypto.Tests new CMacTest(), new EaxTest(), new GcmTest(), + new GMacTest(), new HCFamilyTest(), new HCFamilyVecTest(), new IsaacTest(), |