MD5加盐值加密工具类

MD5加盐值加密工具类

util/MD5Util.java

package com.mmall.util;import java.security.MessageDigest;/** * Created by name */public class MD5Util { 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; int d1 = n / 16; int d2 = n % 16; return hexDigits[d1] + hexDigits[d2]; } /** * 返回大写MD5 * * @param origin * @param charsetname * @return */ private static String MD5Encode(String origin, String charsetname) { String resultString = null; try { resultString = new String(origin); MessageDigest md = MessageDigest.getInstance("MD5"); if (charsetname == null || "".equals(charsetname)) resultString = byteArrayToHexString(md.digest(resultString.getBytes())); else resultString = byteArrayToHexString(md.digest(resultString.getBytes(charsetname))); } catch (Exception exception) { } return resultString.toUpperCase(); } public static String MD5EncodeUtf8(String origin) { origin = origin + PropertiesUtil.getProperty("password.salt", ""); return MD5Encode(origin, "utf-8"); } private static final String hexDigits[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};}

resources/mmall.properties

password.salt = geelysdafaqj23ou89ZXcj@#$@#$#@KJdjklj;D../dSF.,

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