Photon Obfuscator C#

string Password= "98347029837420938470989802740982734";

        public static string Photon_Encrypt(string Text, string Passcode) {
            string Text_encrypt = Convert.ToBase64String(Encoding.UTF8.GetBytes(Text));
            string Passcode_encrypt = Convert.ToBase64String(Encoding.UTF8.GetBytes(Passcode));
            return Text_encrypt+ Passcode_encrypt;
        }

        public static string Photon_Decrypt(string Text, string Passcode)
        {

            string Passcode_Encrypted = Convert.ToBase64String(Encoding.UTF8.GetBytes(Passcode));
            string Text_Encrypted = Text.Replace(Passcode_Encrypted, "");
            string Text_Decrypted = Encoding.UTF8.GetString(Convert.FromBase64String(Text_Encrypted));
            return Text_Decrypted;
    }