如何创建签名使用HmacSHA256在javascript AWS API? [英] How can I create signature for AWS API in javascript using HmacSHA256?
问题描述
我试图让使用Javascript请求AWS的API,并与他们的实例提供启动<一href="http://docs.aws.amazon.com/AWSECommerceService/latest/DG/rest-signature.html#rest_detailedexample"相对=nofollow>这里
I'm trying to make a request to AWS API using Javascript, and starting with their examples provided here
我使用 HMAC-sha256.js 库对于这一点。
下面是code:
var today = new Date();
time = today.toISOString();
time = encodeURIComponent(time);
var messageToEncrypt ="GET\nwebservices.amazon.com\n/onca/xml\nService=AWSECommerceService&AWSAccessKeyId=ACCESS&Operation=ItemLookup&ItemId=0679722769&ResponseGroup=SalesRank&Version=2013-08-01&Timestamp="+time;
var sig = CryptoJS.HmacSHA256(messageToEncrypt, "MY SECRET KEY");
var request = "http://webservices.amazon.com/onca/xml?Service=AWSECommerceService&AWSAccessKeyId=ACCESSKEY&Operation=ItemLookup&ItemId=0679722769&ResponseGroup=SalesRank&Version=2013-08-01&Timestamp="+time+"&Signature="+sig;
我已经使用这个库的例子是亚马逊提供的,但我没有得到他们与虚拟访问way没门儿provieded相同的签名 1234567890
我失去了一些东西呢?
推荐答案
最后,它的工作原理后,现在我申请的这个答案
Finally it works now after I applied this answer
我将 sig.toString()
到的base64
用一个简单的功能,但使用 ENC-base64.js
库转换 wordArray
为Base64,我不知道什么是真的不同,我希望有人解释我说:)
I was converting sig.toString()
to base64
using a simple function, but using enc-base64.js
library is converting wordArray
to base64, I don't know what is the different really and I hope someone explain to me that :)
下面是一个功能我用:
function base64Encode(str) {
var CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var out = "", i = 0, len = str.length, c1, c2, c3;
while (i < len) {
c1 = str.charCodeAt(i++) & 0xff;
if (i == len) {
out += CHARS.charAt(c1 >> 2);
out += CHARS.charAt((c1 & 0x3) << 4);
out += "==";
break;
}
c2 = str.charCodeAt(i++);
if (i == len) {
out += CHARS.charAt(c1 >> 2);
out += CHARS.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += CHARS.charAt((c2 & 0xF) << 2);
out += "=";
break;
}
c3 = str.charCodeAt(i++);
out += CHARS.charAt(c1 >> 2);
out += CHARS.charAt(((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4));
out += CHARS.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6));
out += CHARS.charAt(c3 & 0x3F);
}
return out;
}
感谢。
这篇关于如何创建签名使用HmacSHA256在javascript AWS API?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!