hash_hmac() with RAW Binary OUTPUT in JavaScript

Question

I have the php code to generate hash_hmac

key = base64_encode(hash_hmac('sha1',$public_key, $private_key,TRUE));

I've tried the CryptoJS library to solve it.

According to the documentation:

var public_key = 'msg', private_key = 'key'; var hash = CryptoJS.HmacSHA1(public_key, private_key)

I don't know how to set the Raw Output to Binary like set $raw_output to true in php.

Can anyone help me?

Thanks:)

CryptoJS doesn't provide an encoder to get a "binary string". Why would you even need it? There are all sorts of problems when dealing with binary data in JavaScript. What's wrong with Hex (hash.toString())? — Artjom B.
– Artjom B., Commented Mar 6, 2016 at 16:18
Did you finally got it in js? I have the same problem, and need the raw output. Thanks in advance — Hugo
– Hugo, Commented Jul 8, 2019 at 12:17

muhawo · Accepted Answer · 2017-09-22 12:45:03Z

php code

echo base64_encode(hash_hmac('SHA1', 'shanghai', '0', true).'beijing');

php output

xvBv49PpaYvXAIfy3iOSDWNQj89iZWlqaW5n

node code

var crypto = require('crypto'); var buf1 = crypto.createHmac("sha1", "0").update("shanghai").digest(); var buf2 = Buffer.from('beijing'); console.log(Buffer.concat([buf1, buf2]).toString('base64'));

node output

xvBv49PpaYvXAIfy3iOSDWNQj89iZWlqaW5n

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