package de.gehis.aida.admin.crypt;

import java.io.*;
import java.security.*;

public class EncryptPassword {
    
    public static void main(String args[]) {
        
        if (args.length != 2) {
            System.err.println("usage: PasswordTest password testvalue");
            System.exit(1);
        }
        
        byte[] buf= new byte[args[0].length()];
        buf = args[0].getBytes();
        //args[0].getBytes(0, args[0].length(), buf, 0);
        
        MessageDigest algorithm=null;
        try {
            algorithm = MessageDigest.getInstance("SHA-1");
        }catch (NoSuchAlgorithmException e) {
            System.out.println(e);
        }
        algorithm.reset();
        algorithm.update(buf);
        byte[] digest1 = algorithm.digest();
        
        algorithm.reset();
        buf= new byte[args[1].length()];
        buf= args[1].getBytes();
        algorithm.update(buf);
        byte[] digest2 = algorithm.digest();
        
        StringBuffer digbuf = new StringBuffer();
        
        for (int i=0; i < digest1.length; i++) {
            System.out.print(digest1[i]);
            digbuf.append(digest1[i]);
        }
        System.out.println();
        System.out.println(digbuf +" :: digbuf");
        for (int i=0; i < digest2.length; i++) {
            System.out.print(digest2[i]);
        }
        System.out.println();
        
        if(digest1.length != digest2.length) {
            System.out.println("They do not match!");
            System.exit(0);
        }
        
        for(int i=0; i<digest1.length ;i++) {
            if(digest1[i] != digest2[i]) {
                System.out.println("They do not match!");
                System.exit(0);
            }
        }
        System.out.println("They match!");
    }
}