[removed] Equivalent of PHP's hash_hmac() with RAW BINARY output?

Question

I am connecting to the Amazon Product Advertising API, and to sign my request I need to base64-encode the raw binary output of an HMAC-SHA256 hash.

In t

Answer 1

You can also use this npm package to do the same in Javascript.

var jsSHA = require('jssha');

hmac_sha1(string, key){
    let shaObj = new jsSHA("SHA-1", "TEXT");
    shaObj.setHMACKey(key, "TEXT");
    shaObj.update(string);
    let hmac = shaObj.getHMAC("B64");
    return hmac;
};