Email PGP

Email PGP is an online PGP (Pretty Good Privacy) service that offers all the major functionalities of a typical PGP program, like encrypting and authenticating emails. It allows the user to :

• Generate key pairs
• Encrypt/decrypt messages
• Revoke keys
• Download keys
• Sign and verify messages

It uses openpgp.js library to implement those functions. You can visit their github repo here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.

Prerequisites

You need to install node in your system. Download it from here.

Installing

A step by step series of examples that tell you how to get the web application running

Clone the repo and enter inside the directory

$ git clone https://github.com/imabhi786/Email_pgp.git 
$ cd Email_pgp

Install all npm modules

$ npm install

Run the node app

$ node index.js

The app should be up and running at localhost:3000

How to use

Follow the following steps to use the app properly :

1. Signing-in
   • Sign-in to the application using your google account
   • Once successfully done, you will be redirected to the home page
   • The home page contains the entire roadmap of the application
2. Generating key-pair
   • Firstly, you have to create your key-pair to use main features of PGP Express
   • Click on manage keys button on the home page and then click on generate keys
   • Fill in the form correctly and hit generate
   • The private key will be stored locally and public key will be sent to the server
3. Encrypting the message
   • Click on encrypt link on the navigation bar
   • Enter the recipients email id and type in the message
   • Finally, click on encrypt
4. Signing the message
   • Click on sign link on the navigation bar
   • Paste the encrypted message inside the textbox
   • Finally, click on generate to generate the signature
5. Verifying the signature
   • Click on sign verify link on the navigation bar
   • Paste the signature part of received message inside the textbox
   • Finally, click on verify to see if the message is from the authentic user
6. Decrypting the message
   • Click on decrypt link on the navigation bar
   • Enter the encrypted message in the textbox
   • Finally, click on decrypt to see the original message
7. Revoking public key
   • On the key management page click on revoke keys button
   • Enter your password and confirm the revoke operation
8. Getting/displaying public key
   • On the key management page click on get key button
   • Enter the email id pf the user whose public key you want to see
   • Hit display public key to fetch the key from the server

Screen shots

Following are two screen shots of our application. For indepth explanation and more screen shots see our project report.

Home Page

Key Management

Report

Kindly go through the report for detailed description and indepth understanding of PGPExpress.

Built With

• HTML
• Javascript with AJAX
• CSS/bootstrap
• NodeJs
• MongoDB

Contributors

• Abhijeet Mathur - U16CO081
• Atharva Kalsekar - U16CO063
• Karan Chevli - U16CO112
• Jashwanth Reddy - U16CO073
• Noel Aby Das - U16CO072
• Vedansh Agarwal - U16CO066

Get more info and chekout the contributions here.