Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.Charset;
import java.security.KeyStore;
import java.security.cert.Certificate;

public class Main {
    public static void main(String[] argv) throws Exception {
        FileInputStream is = new FileInputStream("your.keystore");

        KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
        keystore.load(is, "my-keystore-password".toCharArray());

        String alias = "myalias";
        Certificate cert = keystore.getCertificate(alias);

        File file = null;
        byte[] buf = cert.getEncoded();

        FileOutputStream os = new FileOutputStream(file);
        os.write(buf);
        os.close();

        Writer wr = new OutputStreamWriter(os, Charset.forName("UTF-8"));
        wr.write(new sun.misc.BASE64Encoder().encode(buf));
        wr.flush();

    }
}