签名示例

import sun.misc.BASE64Encoder;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;

public class CmeSign {
    public static void main(String[] args) throws Exception {
        Long currentTime = System.currentTimeMillis() / 1000;
        Integer random = new Random().nextInt(java.lang.Integer.MAX_VALUE);
        Long expireTime = currentTime + 5 * 60; // 5分钟有效

        HashMap<String, String> paramMap = new HashMap<String, String>();
        // 必填参数
        paramMap.put("secretId", "Your SecretId");
        paramMap.put("currentTimeStamp", currentTime.toString());
        paramMap.put("random", random.toString());
        paramMap.put("expireTime", expireTime.toString());
        paramMap.put("platform", "Your Platform");
        paramMap.put("userId", "Your UserId");
        paramMap.put("action", "OpenProject");  // 可选值：OpenProject、Upload

        // 选填参数
        paramMap.put("openProject.projectId", "Your PorjectId");  // action=OpenProject时必填

        String secretKey = "Your SecretKey";
        String original = urlEncodeUTF8(paramMap);

        Mac mac = Mac.getInstance("HmacSHA1");
        SecretKeySpec keySpec = new SecretKeySpec(secretKey.getBytes("UTF-8"), mac.getAlgorithm());
        mac.init(keySpec);
        byte[] hash = mac.doFinal(original.getBytes("UTF-8"));
        byte[] signBuffer = byteMerger(hash, original.getBytes("UTF-8"));
        String sign = new String(new BASE64Encoder().encode(signBuffer).getBytes());
        sign = sign.replace(" ", "").replace("\\n", "").replace("\\r", "");

        System.out.println(sign);
    }

    private static byte[] byteMerger(byte[] byte1, byte[] byte2) {
        byte[] byte3 = new byte[byte1.length + byte2.length];
        System.arraycopy(byte1, 0, byte3, 0, byte1.length);
        System.arraycopy(byte2, 0, byte3, byte1.length, byte2.length);
        return byte3;
    }

    private static String urlEncodeUTF8(Map<String, String> map) throws Exception {
        StringBuilder sb = new StringBuilder();
        for (Map.Entry<String, String> entry : map.entrySet()) {
            if (sb.length() > 0) {
                sb.append("&");
            }
            sb.append(String.format("%s=%s",
                    URLEncoder.encode(entry.getKey(), "UTF-8"),
                    URLEncoder.encode(entry.getValue(), "UTF-8")
            ));
        }
        return sb.toString();
    }
}


package main

import (
    "crypto/hmac"
    "crypto/sha1"
    "encoding/base64"
    "fmt"
    "math/rand"
    "net/url"
    "strconv"
    "time"
)

func main() {
    secretId := "Your SecretId"
    secretKey := "Your SecretKey"
    platform := "Your Platform"
    userId := "Your UserId"

    currentTime := time.Now().Unix()
    expireTime := currentTime + 5 * 60 // 签名有效期：5分钟
    rand.Seed(time.Now().Unix())
    random := rand.Uint32()

    values := url.Values{}
    values.Add("secretId", secretId)
    values.Add("currentTimeStamp", strconv.FormatInt(currentTime, 10))
    values.Add("expireTime", strconv.FormatInt(expireTime, 10))
    values.Add("random", strconv.Itoa(int(random)))
    values.Add("platform", platform)
    values.Add("action", "OpenProject") // 可选值：OpenProject、Upload
    values.Add("openProject.projectId", "Your ProjectId") // action=OpenProject时必填
    values.Add("userId", userId)

    queryStr := values.Encode()
    mac := hmac.New(sha1.New, []byte(secretKey))
    mac.Write([]byte(queryStr))
    macBuffer := mac.Sum(nil)

    origin := string(macBuffer) + queryStr
    signature := base64.StdEncoding.EncodeToString([]byte(origin))
    fmt.Println(signature)
}


#!/usr/local/bin/python3
#coding=utf-8

import time
import random
import hmac
import hashlib
import base64
from urllib.parse import urlencode

# 确定签名的当前时间和失效时间
currentTime = int(time.time())
expireTime = currentTime + 5 * 60  # 签名有效期：5分钟

# 参数
argList = {
    "secretId" : "Your SecretId",
    "currentTimeStamp" : currentTime,
    "expireTime" : expireTime,
    "random" : random.randint(0, 999999),
    "platform": "Your Platform",
    "userId": "Your UserId",
    "action": "OpenProject",  # 可选值：OpenProject、Upload
    "openProject.projectId": "Your ProjectId"  # 可选参数，action=OpenProject时必填
}

secretKey = "Your SecretKey"

# 计算签名
original = urlencode(argList)
secretKeyHmac = hmac.new(bytes(secretKey, 'utf-8'), bytes(original, 'utf-8'), hashlib.sha1)
secretKeySha = secretKeyHmac.digest()
signTemp = bytes(secretKeySha) + bytes(original, 'utf-8')
sign = base64.b64encode(signTemp)

print("sign: ", sign)

<?php
// 确定签名的当前时间和失效时间
$currentTime = time();
$expireTime = $currentTime + 5 * 60;  // 签名有效期：5分钟

// 必填参数
$arg_list = array(
    "secretId" => "Your SecretId",
    "currentTimeStamp" => $currentTime,
    "expireTime" => $expireTime,
    "random" => rand(),
    "platform" => "Your Platform",
    "userId" => "Your UserId",
    "action" => "OpenProject" // 可选值：OpenProject、Upload
);

// 选填参数
$arg_list["openProject.projectId"] = "Your ProjectId";
$secretKey = "Your SecretKey";

// 计算签名
$original = http_build_query($arg_list);
$signature = base64_encode(hash_hmac('SHA1', $original, $secretKey, true).$original);

echo $signature;

var querystring = require("querystring");
var crypto = require('crypto');

// 确定签名的当前时间和失效时间
var currentTime = parseInt((new Date()).getTime() / 1000);
var expireTime = currentTime + 5 * 60;  // 签名有效期：5分钟

// 必填参数
var arg_list = {
    secretId : "Your SecretId",
    currentTimeStamp : currentTime,
    expireTime : expireTime,
    random : Math.round(Math.random() * Math.pow(2, 32)),
    platform: "Your Platform",
    userId: "Your UserId",
    action: "OpenProject" // 可选值：OpenProject、Upload
};

// 可选参数
arg_list["openProject.projectId"] = "Your PorjectId";

var secretKey = "Your SecretKey";

// 计算签名
var orignal = querystring.stringify(arg_list);
var orignal_buffer = Buffer.from(orignal, "utf8");
var hmac = crypto.createHmac("sha1", secretKey);
var hmac_buffer = hmac.update(orignal_buffer).digest();
var sign = Buffer.concat([hmac_buffer, orignal_buffer]).toString("base64");

console.log(sign);