Merge pull request #23 from shocknet/bug/e2e-key-size

Bug/e2e key size

services/gunDB/Mediator/index.js

@@ -325,9 +325,9 @@ class Mediator {
         const deviceId = socket.handshake.query['x-shockwallet-device-id']
         socket.on(eventName, data => {
           try {
-            // if (nonEncryptedEvents.includes(eventName)) {
+            if (Encryption.isNonEncrypted(eventName)) {
-            //   return cb(data)
+              return cb(data)
-            // }
+            }
 
             if (!data) {
               return cb(data)
@@ -350,7 +350,8 @@ class Mediator {
               console.error('Unknown Device', error)
               return false
             }
-            if(typeof data === 'string'){
+            console.log('Emitting Data...', data)
+            if (typeof data === 'string') {
               data = JSON.parse(data)
             }
             console.log('Event:', eventName)
@@ -378,6 +379,11 @@ class Mediator {
       },
       emit: (eventName, data) => {
         try {
+          if (Encryption.isNonEncrypted(eventName)) {
+            socket.emit(eventName, data)
+            return
+          }
+
           const deviceId = socket.handshake.query['x-shockwallet-device-id']
           const authorized = Encryption.isAuthorizedDevice({ deviceId })
           const encryptedMessage = authorized

src/routes.js

@@ -327,7 +327,7 @@ module.exports = async (
     try {
       const { publicKey, deviceId } = req.body;
   
-      if (!publicKey || publicKey.length < 600) {
+      if (!publicKey) {
         return res.status(400).json({
           field: 'publicKey',
           message: "Please provide a valid public key"

utils/encryptionStore.js

@@ -6,7 +6,10 @@ const { Buffer } = require('buffer')
 const APIKeyPair = new Map()
 const authorizedDevices = new Map()
 
+const nonEncryptedEvents = ['ping', 'disconnect']
+
 const Encryption = {
+  isNonEncrypted: event => nonEncryptedEvents.includes(event),
   encryptKey: ({ deviceId, message }) => {
     if (!authorizedDevices.has(deviceId)) {
       throw { field: 'deviceId', message: 'Unknown Device ID' }
@@ -87,7 +90,7 @@ const Encryption = {
       Crypto.generateKeyPair(
         'rsa',
         {
-          modulusLength: 4096,
+          modulusLength: 2048,
           privateKeyEncoding: {
             type: 'pkcs1',
             format: 'pem'