secureApp (JavaCard - Smartcard)

Secure ChatRoom RSA Encryption Challenge/Response Authentication by SmartCard insertion, DES exchange encryption

Author

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Setup

$ git clone https://github.com/Yulypso/SecureApp.git

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Required misc

Required JDK:

• jdk-17.0.2
• jdk1.6

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Run batch files (Windows only)

Run these scripts from 1 to 7 in order to start the secureApp.

> 1_makeApplet.bat
> 2_card-deleteApplet.bat
> 3_card-installApplet.bat
> 4_makeServer.bat
> 5_run_server.bat
> 6_makeClient.bat
> 7_runClient.bat

Server default port is: 7777

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Features

Registration

Insert Smartcard to get registered.

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Login and List connected users

Insert the Smartcard to connect to the server.

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Send encrypted messages

1. Messages are encrypted by the Smartcard before being sent to the server.
2. Users retrieve and decrypt the encrypted message using their Smartcard.

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Send files

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Other commands

• Private message: /msg
• Exit: /exit or /logout
• List: /list

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Administrator

• Kill all connected users: /killall
• Kill a specific connected user: /kill
• Halt server: /halt
• Save registered users into a database: /savebdd <database_name>
• Load registered users from the database: /loadbdd <database_name>