标签:md5加密
public class MD5Utils { /** * 使用md5的算法进行加密 */ public static String md5(String plainText) { byte[] secretBytes = null; try { secretBytes = MessageDigest.getInstance("md5").digest( plainText.getBytes()); } catch (NoSuchAlgorithmException e) { throw new RuntimeException("没有md5这个算法!"); } String md5code = new BigInteger(1, secretBytes).toString(16);// 16进制数字 // 如果生成数字未满32位,需要前面补0 for (int i = 0; i < 32 - md5code.length(); i++) { md5code = "0" + md5code; } return md5code; } public static void main(String[] args) { System.out.println(md5("1234")); } }
标签:md5加密
原文地址:http://blog.csdn.net/pengweid/article/details/46470893