Simple Browser-Based Server-Client Implementation of libsignal-protocol-javascript

To build an open source signal protocol example application for developing a better understanding of the library and signal protocol itself.

Currently hosted on AWS

Getting Started

How to Run

Clone repository
Install dependencies
```
 npm install
```
Get libsignal-protocol-javascript from github page
Extract contents of zip in root (./) folder
Root folder should not also have ./libsignal-protocol-javascript-master folder
Navigate to root folder

Install emscripten

 git clone https://github.com/juj/emsdk.git
 cd emsdk
 ./emsdk install latest
 ./emsdk activate latest
 source ./emsdk_env.sh

Navigate to folder cd ./libsignal-protocol-javascript-master

Run the following commands

 npm install -g grunt-cli
 npm install
 grunt compile

Run app
```
 node server.js
```

How to Use

Receiver

Navigate to localhost:3000
Set a device ID manually (numeric)
Wait for registration ID and initial key packet generation
Send initial key packet to server
Wait for Sender to send a message
Enter Senders address (concat registration ID + device ID)
Get Message

Sender

Navigate to localhost:3000
Set a device ID manually (numeric)
Wait for registration ID and initial key packet generation
Send initial key packet to server
Enter Receiver's device ID and registration ID to retrieve key packet
Process keys
Copy Receiver's address from the contact list and paste in To field
Enter a message
Send