Example #1
0
        public void SingleBlockCipherShouldWorkCorreclyForSmallPhrases()
        {
            string text = "Пароль";
            var    singleBlockCipher = new SingleBlockCipher();
            var    key = new List <int>()
            {
                1, 3, 2, 0
            };
            var encryptedText = singleBlockCipher.Encrypt(text.ToLower(), key);

            Assert.AreEqual(encryptedText, "аорпь  л");
            var decryptedText = singleBlockCipher.Decrypt(encryptedText, key);

            Assert.AreEqual(decryptedText.Substring(0, text.Length), text.ToLower());
        }
Example #2
0
        public void SingleBlockCipherShouldWorkCorreclyForHugePhrases()
        {
            string text = "Also feel free to tell me why doing it this way is a horrible idea.";
            var    singleBlockCipher = new SingleBlockCipher();
            var    key = new List <int>()
            {
                1, 3, 0, 2, 5, 9, 4, 8, 6, 7
            };
            var encryptedText = singleBlockCipher.Encrypt(text.ToLower(), key);
            var decryptedText = singleBlockCipher.Decrypt(encryptedText, key);

            Assert.AreEqual(encryptedText, "loasf  leerefete to lml   eywhondi tg iti hsaswiy ah  rlobri deia e . ");
            Assert.AreEqual(decryptedText.Substring(0, text.Length), text.ToLower());

            text = "Инициализирует новый экземпляр класса String значением, " +
                   "определенным указателем на массив 8-разрядных целых чисел со знаком.";
            key = new List <int>()
            {
                6, 4, 0, 2, 3, 1, 5
            };
            encryptedText = singleBlockCipher.Encrypt(text.ToLower(), key);
            decryptedText = singleBlockCipher.Decrypt(encryptedText, key);
            Assert.AreEqual(encryptedText, "лииицнатуиирзе ы овнйлмэзекпсля краitс sаrчнn зgа меиен," +
                            "лдорепеуменын лткзааемае нм 8васис др-азрялцнх ыееиы чхсн лсо з .аомк ");
            Assert.AreEqual(decryptedText.Substring(0, text.Length), text.ToLower());

            text = "The code above uses the much criticised System.Random method to " +
                   "select swap candidates. It's fast but not as random as it should be.";
            key = new List <int>()
            {
                7, 10, 2, 3, 5, 8, 0, 1, 9, 4, 6
            };
            encryptedText = singleBlockCipher.Encrypt(text.ToLower(), key);
            decryptedText = singleBlockCipher.Decrypt(encryptedText, key);
            Assert.AreEqual(encryptedText, "ebe o thacdshe s ovtuectmuhre ic stisdyicse om.rnmem " +
                            "adoeho  etsdtacctsple  we diasan.dtsb'sftit  aar ntsut o stdo  anima .holb seud");
            Assert.AreEqual(decryptedText.Substring(0, text.Length), text.ToLower());
        }