SOURCE

var _api_timestamp = Math.round(new Date().getTime()/1000).toString();
var _api_name = "hssServives";
var _api_version = "1.0.0";
var ak = "3b78a66b1bb04183a0215b7b8e6e18e9";
var sk = "4txZk+mhrU/JMLXmyP5m3S4Rc20=";


function signCalc(api_name,api_version,api_access_key,api_ecreKey,api_timestamp) {

        var param = '_api_access_key=' + api_access_key + '&_api_name=' + api_name
            + '&_api_timestamp' + api_timestamp + '&_api_version' + api_version;

        var sha1 = CryptoJS.HmacSHA1(param,api_ecreKey);
        sha1 = CryptoJS.enc.Utf8.parse(sha1);

        var api_signature = CryptoJS.enc.Base64.stringify(sha1);
        return api_signature;
}


console.log("加密串："+signCalc(_api_name,_api_version,ak,sk,_api_timestamp));