Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.FileInputStream;
import java.io.InputStream;
import java.security.MessageDigest;

public class Main {
    public static void main(String args[]) throws Exception {
        InputStream fis = new FileInputStream("a.exe");

        byte[] buffer = new byte[1024];
        MessageDigest complete = MessageDigest.getInstance("MD5");
        int numRead;
        do {
            numRead = fis.read(buffer);
            if (numRead > 0) {
                complete.update(buffer, 0, numRead);
            }
        } while (numRead != -1);
        fis.close();

        byte[] b = complete.digest();
        String result = "";
        for (int i = 0; i < b.length; i++) {
            result += Integer.toString((b[i] & 0xff) + 0x100, 16).substring(1);
        }
        System.out.println(result);

    }
}