Authors: Eadan Plotnizky, Naama Scandarion

Programming Language: C++

This program let a user choose if he wants to encrypt or decrypt a message using DES algorithm with ECB Mode Of Operation, or to exit the program.

Encryption: The user will input a secret message to be encrypted and a secret 8 character password/key. The output will be the encrypted binary string and the encrypted cipher text.

Decryption: The user will input an encrypted message to be decrypted and a secret 8 character password/key. The output will be the decrypted cipher text.

To run the program through VSCode make sure you have a G++ compiler.

1. open Terminal
2. make sure you are in the right directory

3. type g++ -o main.exe .\des.cpp .\main.cpp to compile the program and to create an executable file.
4. type ./main.exe to run the executable through the terminal.

3. type g++ -o main.out des.cpp main.cpp to compile the program and to create an executable file.
4. type ./main.out to run the executable through the terminal.