public void DecryptNoKeyTest()
        {
            MonoAlphaSubCipher myCipher = new MonoAlphaSubCipher();

            TestCtor(myCipher);
            myCipher.Decrypt(Convert.ToBase64String(Encoding.ASCII.GetBytes(TEST_STR)));
        }
        public void DecryptStrTest()
        {
            MonoAlphaSubCipher myCipher = new MonoAlphaSubCipher();

            TestCtor(myCipher);
            myCipher.GenKey();
            string encStr = myCipher.Encrypt(TEST_STR);

            TestStrEnc(myCipher, encStr);
            TestStrDec(encStr, myCipher.Decrypt(encStr));
        }
        public void DecryptFileTest()
        {
            MonoAlphaSubCipher masc = new MonoAlphaSubCipher();

            System.IO.File.Exists(ENC_FILE);
            System.IO.File.Exists(DEC_FILE);
            masc.GenKey();
            masc.Encrypt(BASE_FILE, ENC_FILE);
            TestFileEnc();
            masc.Decrypt(ENC_FILE, DEC_FILE);
            TestFileDec();
        }