https://github.com/alahmad-loay2/encryption-project

Caesar Cipher Encryption in C++ — Built and tested on Ubuntu using multithreading, multiprocessing, and standard methods. Designed for Linux systems.
https://github.com/alahmad-loay2/encryption-project

ceaser-cipher cpp decryption encryption linux multiprocessing multithreading ubuntu

Last synced: about 1 month ago
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Caesar Cipher Encryption in C++ — Built and tested on Ubuntu using multithreading, multiprocessing, and standard methods. Designed for Linux systems.

• Host: GitHub
• URL: https://github.com/alahmad-loay2/encryption-project
• Owner: alahmad-loay2
• Created: 2025-08-04T04:01:37.000Z (11 months ago)
• Default Branch: main
• Last Pushed: 2025-08-04T04:32:08.000Z (11 months ago)
• Last Synced: 2025-08-04T07:29:10.695Z (11 months ago)
• Topics: ceaser-cipher, cpp, decryption, encryption, linux, multiprocessing, multithreading, ubuntu
• Language: C++
• Homepage:
• Size: 266 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# Caesar Cipher Project

C++ program to encrypt/decrypt text files using Caesar cipher (shift by 2).

## Versions

- Normal (single-threaded)

- Process-based (fork)

- Multithreaded (threads + semaphores) — fastest

## Usage (Ubuntu)

```bash

git clone https://github.com/alahmad-loay2/encryption-project.git

```

cd to directory 

./normal-way

./multi-process

./multi-thread

#### or g++ to re create executables

## results 

multi threading version was the fastest due to having a shared memory and not being a cpu intesive task

![Alt text](https://github.com/alahmad-loay2/encryption-project/blob/main/images/Screenshot%20from%202024-11-26%2020-29-49.png)

![Alt text](https://github.com/alahmad-loay2/encryption-project/blob/main/images/Screenshot%20from%202024-11-26%2020-31-09.png)

![Alt text](https://github.com/alahmad-loay2/encryption-project/blob/main/images/Screenshot%20from%202024-11-26%2020-33-05.png)

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