Android MD5加密算與J2SE平臺一模一樣,因爲Android 平臺支持 java.security.MessageDigest這個包。實際上與J2SE平臺一模一樣。
算法簽名:
- String getMD5(String val) throws NoSuchAlgorithmException
- package com.tencent.utils;
- import java.security.MessageDigest;
- import java.security.NoSuchAlgorithmException;
- /**
- * 對外提供getMD5(String)方法
- * @author randyjia
- *
- */
- public class MD5 {
- public static String getMD5(String val) throws NoSuchAlgorithmException{
- MessageDigest md5 = MessageDigest.getInstance("MD5");
- md5.update(val.getBytes());
- byte[] m = md5.digest();//加密
- return getString(m);
- }
- private static String getString(byte[] b){
- StringBuffer sb = new StringBuffer();
- for(int i = 0; i < b.length; i ++){
- sb.append(b[i]);
- }
- return sb.toString();
- }
- }