let mut x = Vec::new();

        let encrypto = EncryptoRSA::init(512);
        let encrypto1 = EncryptoRSA::init(512);
        let msg = b"abc".as_slice();

        let enc = encrypto.encrypt(msg, EncryptoRSA::desterilize_pub_key(encrypto1.get_sterilized_pub_key())).unwrap();
        let dec = encrypto1.decrypt(enc.as_bytes());
        x.push(dec);

        let enc = encrypto.encrypt_with_pkcsv1_15(msg, EncryptoRSA::desterilize_pub_key(encrypto1.get_sterilized_pub_key())).unwrap();
        let dec = encrypto1.decrypt_with_pkcsv1_15(enc.as_bytes());
        x.push(dec);

        let enc = encrypto.double_encrypt(msg, EncryptoRSA::desterilize_pub_key(encrypto1.get_sterilized_pub_key())).unwrap();
        let dec = encrypto1.double_decrypt(enc.as_bytes(), encrypto.get_public_key());
        x.push(dec);

        let enc = encrypto.double_encrypt_with_pkcsv1_15(msg, encrypto1.pbl.clone()).unwrap();
        let dec = encrypto1.double_decrypt_with_pkcsv1_15(enc, encrypto.pbl.clone());
        x.push(dec);

        for f in x.iter() {
            assert_eq!(&msg.to_vec(), f);
        }