New file |
| | |
| | | package com.mes.utils; |
| | | |
| | | import java.security.MessageDigest; |
| | | import java.security.NoSuchAlgorithmException; |
| | | |
| | | |
| | | public final class MD5 { |
| | | |
| | | public static String encrypt(String strSrc) { |
| | | try { |
| | | char hexChars[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', |
| | | '9', 'a', 'b', 'c', 'd', 'e', 'f'}; |
| | | byte[] bytes = strSrc.getBytes(); |
| | | MessageDigest md = MessageDigest.getInstance("MD5"); |
| | | md.update(bytes); |
| | | bytes = md.digest(); |
| | | int j = bytes.length; |
| | | char[] chars = new char[j * 2]; |
| | | int k = 0; |
| | | for (int i = 0; i < bytes.length; i++) { |
| | | byte b = bytes[i]; |
| | | chars[k++] = hexChars[b >>> 4 & 0xf]; |
| | | chars[k++] = hexChars[b & 0xf]; |
| | | } |
| | | return new String(chars); |
| | | } catch (NoSuchAlgorithmException e) { |
| | | e.printStackTrace(); |
| | | throw new RuntimeException("MD5加密出错!!+" + e); |
| | | } |
| | | } |
| | | |
| | | public static void main(String[] args) { |
| | | System.out.println(MD5.encrypt("111111")); |
| | | } |
| | | |
| | | } |