Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.security.NoSuchAlgorithmException;

public class Main {
    public static String computePasswordHash(String password) {
        return byteArrayToHexString(computeHash(password));
    }

    private static String byteArrayToHexString(byte[] b) {
        StringBuffer sb = new StringBuffer(b.length * 2);
        for (int i = 0; i < b.length; i++) {
            int v = b[i] & 0xff;
            if (v < 16) {
                sb.append('0');
            }
            sb.append(Integer.toHexString(v));
        }
        return sb.toString().toUpperCase();
    }

    private static byte[] computeHash(String x) {
        java.security.MessageDigest d = null;
        try {
            d = java.security.MessageDigest.getInstance("SHA-1");
            d.reset();
            d.update(x.getBytes());
            return d.digest();
        } catch (NoSuchAlgorithmException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return null;
        }

    }
}