Made in 2 months by team 4, Software Engineering, Karlstad University, 2018. Made with windows, winforms and C# using Visual studio 2017.

Supported features:

• P2P messaging
• Server based messaging
• Encrypted messagning
• Registration
• Friends and requests
• Global chat
• Send file
• Userbase search
• Emojis

Messagetypes:

• 0: Register | 0:username:mail:pass:name:surname
• 1: Register ACK | 1:(0/1)
• 2: Client Message | 2:sender:receiver:message
• 3: Login Message | 3:username:password
• 4: Login ACK | 4:(0/1):userkey
• 5: Logout Message | 5:1
• 6: Onlinelist | 6:(0/1):A:B:C:D (Offline/online list)
• 7: FriendRequest | 7:sender:receiver
• 8: FriendResponse | 8:sender:receiver:(0/1) (Decline/Accept)
• 9: OnlineStatus | 9:(0/1):UserName (Offline/Online)
• 10:EstablishP2P | 10:sender:receiver
• 11:IncommingP2P | 11:sender:port:key
• 12:OutgoingP2P | 12:receiver:port:key
• 13:StatusUpdate | 13:sender:receiver:status