public void Setup()
{
_engine = new Mock <IBlockCipherEngine>();
_engineFactory = new Mock <IBlockCipherEngineFactory>();
_engineFactory
.Setup(s => s.GetSymmetricCipherPrimitive(It.IsAny <BlockCipherEngines>()))
.Returns(_engine.Object);
_algo = new Mock <IModeBlockCipher <SymmetricCipherResult> >();
_algo
.Setup(s => s.ProcessPayload(It.IsAny <IModeBlockCipherParameters>()))
.Returns(() => new SymmetricCipherResult(new BitString(128)));
_modeFactory = new Mock <IModeBlockCipherFactory>();
_modeFactory
.Setup(s => s.GetStandardCipher(_engine.Object, It.IsAny <BlockCipherModesOfOperation>()))
.Returns(_algo.Object);
_keyMaker = new Mock <IMonteCarloKeyMakerAes>();
_keyMaker
.Setup(s => s.MixKeys(It.IsAny <BitString>(), It.IsAny <BitString>(), It.IsAny <BitString>()))
.Returns(() => new BitString(128));
_subject = new MonteCarloAesCfb(
_engineFactory.Object,
_modeFactory.Object,
_keyMaker.Object,
8,
BlockCipherModesOfOperation.CfbByte
);
}
public void Cfb128()
{
string keyString = "ef22e67279d033c22053886c67ebb15a";
string ivString = "0dfb0fe904ea07f356e58470423e5f69";
var key = new BitString(keyString);
var iv = new BitString(ivString);
var sanityCheckFirstKey = new BitString(keyString);
var sanityCheckFirstIv = new BitString(ivString);
var plainText = new BitString("f9f662a43a988a3f7116ead7c60886ef");
var firstExpectedCipherText = new BitString("909e9a16af24281a1f4771ba360d8733");
var secondExpectedKey = new BitString("7fbc7c64d6f41bd83f14f9d651e63669");
var secondExpectedIv = new BitString("909e9a16af24281a1f4771ba360d8733");
var lastExpectedKey = new BitString("01c78e54c67009f34e3a9cb740744111");
var lastExpectedIv = new BitString("4e5ffce071752c3cb513e3a6f7347da5");
var lastExpectedPlainText = new BitString("3bff30f019dbf7457c6c188d16e7b0e3");
var lastExpectedCipherText = new BitString("c51817da5cb5a2ffb9f71b9cbbb0b087");
var subject = new MonteCarloAesCfb(
new BlockCipherEngineFactory(),
new ModeBlockCipherFactory(),
new AesMonteCarloKeyMaker(),
128,
BlockCipherModesOfOperation.CfbBlock
);
var result = subject.ProcessMonteCarloTest(new ModeBlockCipherParameters(
BlockCipherDirections.Encrypt, iv, key, plainText
));
Assert.AreEqual(key, sanityCheckFirstKey, nameof(sanityCheckFirstKey));
Assert.AreEqual(iv, sanityCheckFirstIv, nameof(sanityCheckFirstIv));
var firstCipherText = result.Response[0].CipherText;
Assert.AreEqual(firstExpectedCipherText, firstCipherText, nameof(firstCipherText));
var secondKey = result.Response[1].Key;
var secondIv = result.Response[1].IV;
Assert.AreEqual(secondExpectedKey, secondKey, nameof(secondExpectedKey));
Assert.AreEqual(secondExpectedIv, secondIv, nameof(secondExpectedIv));
var lastKey = result.Response[result.Response.Count - 1].Key;
var lastIv = result.Response[result.Response.Count - 1].IV;
var lastPlainText = result.Response[result.Response.Count - 1].PlainText;
var lastCipherText = result.Response[result.Response.Count - 1].CipherText;
Assert.AreEqual(lastExpectedKey, lastKey, nameof(lastExpectedKey));
Assert.AreEqual(lastExpectedIv, lastIv, nameof(lastExpectedIv));
Assert.AreEqual(lastExpectedPlainText, lastPlainText, nameof(lastPlainText));
Assert.AreEqual(lastExpectedCipherText, lastCipherText, nameof(lastCipherText));
Assert.IsTrue(result.Success);
}
public void Cfb8()
{
string keyString = "be2742df6d0139a45eb0e9a1822eef4a";
string ivString = "3d3d13c3096535cfd1889e592308f9f2";
var key = new BitString(keyString);
var iv = new BitString(ivString);
var sanityCheckFirstKey = new BitString(keyString);
var sanityCheckFirstIv = new BitString(ivString);
var plainText = new BitString("8d");
var firstExpectedCipherText = new BitString("8a");
var secondExpectedKey = new BitString("0078ef5381ec8f98b21ff995e1f058c0");
var secondExpectedIv = new BitString("be5fad8cecedb63cecaf103463deb78a");
var secondExpectedPlainText = new BitString("26");
var secondExpectedCipherText = new BitString("ff");
var lastExpectedKey = new BitString("2ba452ed17c06b9602fd6a80f3112c38");
var lastExpectedIv = new BitString("b0b335f8827ecd6e2afe15b5b87a8185");
var lastExpectedPlainText = new BitString("6f");
var lastExpectedCipherText = new BitString("77");
var subject = new MonteCarloAesCfb(
new BlockCipherEngineFactory(),
new ModeBlockCipherFactory(),
new AesMonteCarloKeyMaker(),
8,
BlockCipherModesOfOperation.CfbByte
);
var result = subject.ProcessMonteCarloTest(new ModeBlockCipherParameters(
BlockCipherDirections.Encrypt, iv, key, plainText
));
Assert.AreEqual(key, sanityCheckFirstKey, nameof(sanityCheckFirstKey));
Assert.AreEqual(iv, sanityCheckFirstIv, nameof(sanityCheckFirstIv));
var firstCipherText = result.Response[0].CipherText;
Assert.AreEqual(firstExpectedCipherText, firstCipherText, nameof(firstCipherText));
var secondKey = result.Response[1].Key;
var secondIv = result.Response[1].IV;
var secondPlainText = result.Response[1].PlainText;
var secondCipherText = result.Response[1].CipherText;
Assert.AreEqual(secondExpectedKey, secondKey, nameof(secondExpectedKey));
Assert.AreEqual(secondExpectedIv, secondIv, nameof(secondExpectedIv));
Assert.AreEqual(secondExpectedPlainText, secondPlainText, nameof(secondExpectedPlainText));
Assert.AreEqual(secondExpectedCipherText, secondCipherText, nameof(secondExpectedCipherText));
var lastKey = result.Response[result.Response.Count - 1].Key;
var lastIv = result.Response[result.Response.Count - 1].IV;
var lastPlainText = result.Response[result.Response.Count - 1].PlainText;
var lastCipherText = result.Response[result.Response.Count - 1].CipherText;
Assert.AreEqual(lastExpectedKey, lastKey, nameof(lastExpectedKey));
Assert.AreEqual(lastExpectedIv, lastIv, nameof(lastExpectedIv));
Assert.AreEqual(lastExpectedPlainText, lastPlainText, nameof(lastPlainText));
Assert.AreEqual(lastExpectedCipherText, lastCipherText, nameof(lastCipherText));
Assert.IsTrue(result.Success);
}
