validate Password - Android java.util

Android examples for java.util:Date

  1. HOME
  2. Android
  3. java.util
  4. Date

Description

validate Password

Demo Code


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

public class Main {
    private final static String[] hexDigits = { "0", "1", "2", "3", "4",
            "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };

    public static boolean validatePassword(String password,
            String inputString) {
        if (password.equals(encodeByMD5(inputString))) {
            return true;
        } else {/*from   w w w .ja  va 2s.c  om*/
            return false;
        }
    }

    private static String encodeByMD5(String originString) {
        if (originString != null) {
            try {
                MessageDigest md = MessageDigest.getInstance("MD5");

                byte[] results = md.digest(originString.getBytes());

                String resultString = byteArrayToHexString(results);
                return resultString.toUpperCase();
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
        return null;
    }

    private static String byteArrayToHexString(byte[] b) {
        StringBuffer resultSb = new StringBuffer();
        for (int i = 0; i < b.length; i++) {
            resultSb.append(byteToHexString(b[i]));
        }
        return resultSb.toString();
    }

    private static String byteToHexString(byte b) {
        int n = b;
        if (n < 0)
            n = 256 + n;
        int d1 = n / 16;
        int d2 = n % 16;
        return hexDigits[d1] + hexDigits[d2];
    }
}

Related Tutorials