An ISS project at Damascus University using AES, PGP and Digital Signatures to implement a secure messaging system with handshakes and session keys.

• Language and Requirements
• Structure
• Running the project
• License
• Contributors

The project was made using C# as a .NET console app with the following packages:

• Newtonsoft JSON.NET

• Safester.CryptoLibrary

There are 4 csprojects in the repo:

1. Server: includes the driver class Program and server specific classes : - Connection: an instance that contains all of a connected client information - DBEntry a model to read/write to a file for storage - Server: the main class for all the server logic

2. Client: includes the driver class Program and client class: - Client: the main class for all the client logic

3. CA: is a copy of Server with some specific functions

4. Common: contains classes used by all other projects: - Coder: a class that handles all encoding and decoding using AES, PGP or non - Logger: for writing to cli in a clean format - Package: a model to convert a class to a json string or a json string to a class - Utils: miscellaneous functions

use clients.sln to open the project as a VS solution, install the packages and then open a server and a client instances

Distributed under the MIT License. See LICENSE for more information

• Redwan Alloush
• Hasan Mothaffar
• Iyad Al-Ansary
• Tarek Al-Habbal