105 lines
3.0 KiB
Plaintext
105 lines
3.0 KiB
Plaintext
/*
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* COPYRIGHT. ShenZhen JiMi Technology Co., Ltd. 2017.
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* ALL RIGHTS RESERVED.
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*
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* No part of this publication may be reproduced, stored in a retrieval system, or transmitted,
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* on any form or by any means, electronic, mechanical, photocopying, recording,
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* or otherwise, without the prior written permission of ShenZhen JiMi Network Technology Co., Ltd.
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*
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* Amendment History:
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*
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* Date By Description
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* ------------------- ----------- -------------------------------------------
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* 2017年4月5日 yaojianping Create the class
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* http://www.jimilab.com/
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*/
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package com.bonus.data;
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import java.io.IOException;
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import java.security.GeneralSecurityException;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import java.util.Map;
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import javax.crypto.Mac;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.SecretKeySpec;
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/**
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* @FileName CodeUtils.java
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* @Description: 服务器签名工具类
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*
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* @Date 2017年4月5日 下午4:59:06
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* @author yaojianping
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* @version 1.0
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*/
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public class SignUtils {
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public static String signTopRequest(Map<String, String> params, String secret, String signMethod) throws IOException {
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// 第一步：检查参数是否已经排序
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String[] keys = params.keySet().toArray(new String[0]);
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Arrays.sort(keys);
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// 第二步：把所有参数名和参数值串在一起
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StringBuilder query = new StringBuilder();
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if ("md5".equals(signMethod)) {
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query.append(secret);
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}
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for (String key : keys) {
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String value = params.get(key);
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if (StringUtil.areNotEmpty(key, value)) {
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query.append(key).append(value);
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}
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}
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// 第三步：使用MD5/HMAC加密
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query.append(secret);
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byte[] bytes = encryptMD5(query.toString());
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// 第四步：把二进制转化为大写的十六进制
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return byte2hex(bytes);
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}
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public static byte[] encryptHMAC(String data, String secret) throws IOException {
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byte[] bytes = null;
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try {
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SecretKey secretKey = new SecretKeySpec(secret.getBytes("utf-8"), "HmacMD5");
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Mac mac = Mac.getInstance(secretKey.getAlgorithm());
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mac.init(secretKey);
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bytes = mac.doFinal(data.getBytes("utf-8"));
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} catch (GeneralSecurityException gse) {
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throw new IOException(gse.toString());
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}
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return bytes;
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}
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public static byte[] encryptMD5(String data) throws IOException {
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return encryptMD5(data.getBytes("utf-8"));
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}
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private static byte[] encryptMD5(byte[] bytes) throws IOException {
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MessageDigest md = null;
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try {
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md = MessageDigest.getInstance("MD5");
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} catch (NoSuchAlgorithmException e) {
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throw new IOException(e.toString());
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}
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return md.digest(bytes);
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}
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public static String byte2hex(byte[] bytes) {
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StringBuilder sign = new StringBuilder();
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for (int i = 0; i < bytes.length; i++) {
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String hex = Integer.toHexString(bytes[i] & 0xFF);
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if (hex.length() == 1) {
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sign.append("0");
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}
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sign.append(hex.toUpperCase());
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}
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return sign.toString();
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}
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}
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