d8d-admin-mobile-starter-public/docs/vod_sign_gen_demo.md

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

// 确定 app 的云 API 密钥 var secret_id = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"; var secret_key = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";

// 确定签名的当前时间和失效时间 var current = parseInt((new Date()).getTime() / 1000) var expired = current + 86400; // 签名有效期：1天

// 向参数列表填入参数 var arg_list = {

secretId : secret_id,
currentTimeStamp : current,
expireTime : expired,
random : Math.round(Math.random() * Math.pow(2, 32))

}

// 计算签名 var orignal = querystring.stringify(arg_list); var orignal_buffer = new Buffer(orignal, "utf8");

var hmac = crypto.createHmac("sha1", secret_key); var hmac_buffer = hmac.update(orignal_buffer).digest();

var signature = Buffer.concat([hmac_buffer, orignal_buffer]).toString("base64");

console.log(signature);