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added media send/recieve, extended text messages send/recieve

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This commit is contained in:
Adhiraj
2020-04-16 16:20:48 +05:30
parent 6629c08c70
commit 9ea4b0b381
13 changed files with 987 additions and 61 deletions
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3
WhatsAppWeb.Session.js
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@@ -1,6 +1,5 @@
const WebSocket = require('ws')
const Curve = require ('curve25519-js')
const HKDF = require('futoin-hkdf')
const Utils = require('./WhatsAppWeb.Utils')
const QR = require('qrcode-terminal')
@@ -68,7 +67,7 @@ module.exports = function (WhatsAppWeb) {
// generate shared key from our private key & the secret shared by the server
const sharedKey = Curve.sharedKey( this.curveKeys.private, secret.slice(0, 32) )
// expand the key to 80 bytes using HKDF
const expandedKey = HKDF(sharedKey, 80, [ Buffer.alloc(32), '', 'SHA-256' ])
const expandedKey = Utils.hkdf(sharedKey, 80)
// perform HMAC validation.
const hmacValidationKey = expandedKey.slice(32, 64)