PGPTutorial_decrypt.java

public static void main(String[] args) throws Exception{
    Security.addProvider(new BouncyCastleProvider());
        
    byte[] str = "OneDirection".getBytes();
    ByteArrayInputStream bIn = new ByteArrayInputStream(str);
    ByteArrayOutputStream bOut = new ByteArrayOutputStream();

    JMemPGP.encryptBytes(bOut,bIn,str.length,"C:\\pub.gpg",true,true);
        
    byte[] output = bOut.toByteArray();
    bOut.close();
    bIn.close();

    System.out.println("Message:\n\n"+(new String(output))+"\n");
        
    ByteArrayInputStream input2 = new ByteArrayInputStream(output);
    bOut = new ByteArrayOutputStream();
        
    JMemPGP.decryptBytes(input2,"C:\\sec.gpg","test".toCharArray(),bOut);

    byte[] output2 = bOut.toByteArray();
    String decryptedString = new String(output2);
    System.out.println("Decrypted Message: \""+decryptedString+"\"");
    System.out.println("Decrypted message length in bytes: "+decryptedString.length());
}