Beispiel #1
0
        public void TestDisposal()
        {
            string    test;
            CryptoKey key = new AESCryptoKey();

            test = key.Encrypt("Test");
            key.Dispose();

            key.Decrypt(test);
            Assert.Fail();
        }
Beispiel #2
0
 public void TestSimpleEncryptDecrypt()
 {
     using (AESCryptoKey k1 = new AESCryptoKey())
     {
         byte[] test    = new byte[240];
         byte[] cypher1 = k1.Encrypt(test);
         byte[] cypher2 = k1.Encrypt(test);
         Assert.AreEqual(cypher1, cypher2);
         Assert.AreEqual(test, k1.Decrypt(cypher1));
     }
 }
Beispiel #3
0
        public void TestCopyReadWriteBytes()
        {
            byte[] ivrandom = new byte[16];
            new Random().NextBytes(ivrandom);

            using (AESCryptoKey k1 = new AESCryptoKey())
                using (AESCryptoKey k2 = AESCryptoKey.FromBytes(k1.ToArray()))
                {
                    Assert.AreEqual(k1.Key, k2.Key);
                    Assert.AreEqual(k1.IV, k2.IV);
                }
        }
Beispiel #4
0
        public void TestCopyKeyAndIV()
        {
            byte[] ivrandom = new byte[16];
            new Random().NextBytes(ivrandom);

            using (AESCryptoKey k1 = new AESCryptoKey())
                using (AESCryptoKey k2 = new AESCryptoKey(k1.Key, k1.IV))
                    using (AESCryptoKey kBadIv = new AESCryptoKey(k1.Key, ivrandom))
                    {
                        Assert.AreEqual(k1.Key, k2.Key);
                        Assert.AreEqual(k1.IV, k2.IV);
                        Assert.AreEqual("test", k2.Decrypt(k1.Encrypt("test")));

                        Assert.AreEqual(k1.Key, kBadIv.Key);
                        Assert.AreNotEqual(k1.IV, kBadIv.IV);
                        try
                        { //one of two possible outcomes, junk or exception
                            Assert.AreNotEqual("test", kBadIv.Decrypt(k1.Encrypt("test")));
                        }
                        catch (System.Security.Cryptography.CryptographicException) { }
                    }
        }