AES Cryptography Implementation

C++ implementation of AES encryption/decryption for university cryptography assignment.

Features

• Full AES-128 encryption (configurable rounds 1-10)
• Full AES-128 decryption (configurable rounds 1-10)
• Detailed step-by-step output for each round
• Standard hex input/output for interoperability

Compilation

g++ -o aes_sim aes_sim.cpp

Usage

./aes_sim

Input Format

• Plaintext/Ciphertext: 0x000102030405060708090A0B0C0D0E0F or with spaces
• Key: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01

Assignment Details

Course: CryptoGraphy 2025/2026 Term 2530 Tasks: AES Encryption/Decryption