BouncyCastle PGP Encryption

Usage

-d file.encrypted privatekey.asc 12345

-e -ai file.txt publickey.asc 12345

Jars to be included:

bcmail-jdk15on-160.jar

bcpg-jdk15on-160.jar

bcpkix-jdk15on-160.jar

bcprov-ext-jdk15on-160.jar

bcprov-jdk15on-160.jar

bctls-jdk15on-160.jar

JCE Policy

Update JDK/JRE with unlimited JCE policy

Java Main

package com.sheriff

import java.io.File;

import org.bouncycastle.openpgp.examples.KeyBasedFileProcessor;

public class FileProcessor {
public static void main(String[] args) {
try {

// decryption flow
if (args[0].equalsIgnoreCase("-d")){
// if input file is empty, then skip decryption
if(new File(args[1]).length()==0L){
return;
}

//decrypt
KeyBasedFileProcessor.main(args);

// this is to delete the source file after decryption if needed
new File(args[1]).delete();

return;
}
// encryption flow
if (args[0].equalsIgnoreCase("-e")){
//encrypt
KeyBasedFileProcessor.main(args);
return;
}

} catch (Exception e) {
e.printStackTrace();
}
}
}