Encrypted Diary

A simple C++ program that uses AES encryption to protect diary entries with password protection.

Features

• AES-256 encryption using OpenSSL
• Password-based key derivation
• Simple command-line interface
• File-based storage

Requirements

• C++ compiler
• OpenSSL development libraries

Building the Program

g++ encrypted_diary.cpp -o encrypted_diary -lssl -lcrypto

Usage

1. Run the program: ./encrypted_diary
2. Choose to encrypt or decrypt a diary entry
3. Enter the filename and password
4. Follow the prompts to write or read your diary