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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