package com.wx.project.util; import java.security.MessageDigest; /* * sha1 加密算法 * 网上copy 一大堆 */ public class SHA1 { private static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; /** * Takes