SDES Implementation

This project contains a simple implementation of the Simplified DES (SDES) encryption algorithm. Note: Padding is not yet implemented.

Usage

To run the program, use one of the following flags to choose the operation mode:

• --ecb for Electronic Code Book mode
• --cbc for Cipher Block Chaining mode

You can also add the --debug flag to display debug messages during execution.

Input Files

Before running, make sure to provide the required inputs inside the data folder:

• key: the encryption key
• iv: the initialization vector (used only in CBC mode)
• plaintext: the message to be encrypted