public static byte[] encryptWithPublicKey(String text) throws Exception {
        String publicKey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCf61/PMOVIIt2Z0xQ0NBe1rZxd8lrOKxzAyQWSpElV39TY279w1NRBMzbVvyiU5XfFjbA07JtcUkNxu1uyysKioB6yQHIXIDXAorvuinrpNMTYQDl5cyZTDNA9F3UJyhfhFEPdSWXY53ObXW61lICCmZlZRHFGPLfJQjjEzu7dvwIDAQAB";
        PublicKey apiPublicKey= getRSAPublicKeyFromString(publicKey);
        Cipher rsaCipher = Cipher.getInstance("RSA/None/PKCS1Padding", "BC");
        rsaCipher.init(Cipher.ENCRYPT_MODE, apiPublicKey);
        return rsaCipher.doFinal(text.getBytes("ISO-8859-1"));
    }

    private static PublicKey getRSAPublicKeyFromString(String publicKey) throws Exception{
        KeyFactory keyFactory = KeyFactory.getInstance("RSA", "BC");
        byte[] publicKeyBytes = Base64.decode(publicKey.getBytes("ISO-8859-1"), Base64.DEFAULT);
        X509EncodedKeySpec x509KeySpec = new X509EncodedKeySpec(publicKeyBytes);
        return keyFactory.generatePublic(x509KeySpec);
    }

 Base64.encodeToString(EncryptionSHA.encryptWithPublicKey("qwerty1234"), Base64.NO_WRAP)