1. About
2. Installation
3. Usage Guide

• Change text: The sender sends the text file and the json file to the server. In respond, the server must read the json file and swap the words from the text according to it.

• Encode/Decode text: The sender sends the text file and the key (another text). In respond, the server must XOR the text message with the key (One Time Pad cipher) and return it to the client. The decrypting process happens in the same way, but instead of the text message, the client sends the cipher text. Client on odd-numbered request encodes and on even-numbered request decodes.

In terminal window enter:

git clone https://github.com/TrapTheOnly/Test_Service.git

To install requirements in terminal window enter:

pip install -r requirements.txt

You need at least 2 seperate terminals being open:

Server Terminal

python3 test_service.py --hostname {Hostname} -p {Port number}

Client Terminal

python3 test_service.py [-h] [-p P] [--hostname HOSTNAME] [--mode {change_text,encode_decode}] file1 file2

By default Hostname is set to 127.0.0.1

By default Port number is set to 65432

In client terminal --mode argument is necessary

After entering --mode argument, file1 and file2 arguments are also necessary

file1 and file2 arguments have to contain the address of required files:

• In --mode change_text:
  • file1 = some .txt format file that has to be changed
  • file2 = some .json format file that has to be used to repalce text
• In --mode enrypt_decrypt:
  • When encrypting:
    • file1 = some .txt format file that has to be encrypted
    • file2 = some .txt format file that has to contain key for encrypting
  • When decrypting:
    • file1 = some .txt format file that has to be decrypted
    • file2 = some .txt format file that has to contain key for decrypting

To stop server, head to Server Terminal and press Ctrl+C in terminal.