public void IsEncrypted_Should_Return_False_When_Text_Is_Not_Encrypted()
        {
            var          encryptSvc  = new SymmetricEncryptionSvc();
            const string plainText   = "The cow jumped over the moon.";
            var          isEncrypted = encryptSvc.IsEncrypted(plainText, EncryptionKey256);

            Assert.IsFalse(isEncrypted);
        }
        public void IsEncrypted_Should_Return_True_When_Text_Is_Encrypted()
        {
            var          encryptSvc       = new SymmetricEncryptionSvc();
            const string preEncryptedText = "FCDBB7CF7AFCE440899AE9D2949B1110C8289EF602A290467968FFF76EABA94B_4D220909BD9B34192F288931A347B1A0109931F76D7475286CA095A7F80CBF5F42BBAFEDD27ACE52C600AC1D7E061ABE1D46EFCAB6EF75531D4F40B84558082C";
            var          isEncrypted      = encryptSvc.IsEncrypted(preEncryptedText, EncryptionKey256);

            Assert.IsTrue(isEncrypted);
        }