Blog - Latest Posts

CSAW CTF 2020 Quals - Crypto Challenges

[write-up] Some crypto challenges from CSAW CTF 2020

Google CTF 2020 - Chunk Norris

[write-up] The easy crypto challenge from Google CTF 2020

Reverse Engineering Pokemon NDS save files

[project] Reverse Engineering 4th generation Pokemon NDS games' save files and writting a save file editor

Ultimate Tic-Tac-Toe

[project] Javascrip implementation of the fun version of Tic-Tac-Toe

Merkle-Hellman knapsack and the LLL algorithm

[project] An ilustrative implementation of the original Merkle-Hellman knapsack cryptosystem and the algorithm that can break it in polynomial time

Cryptopals Challenges Set 2 - Solutions

[write-up] Written in Python 3 (code only)

Hacktm CTF 2020 Quals - RSA is easy

[write-up] A couple of RSA challenges from Hacktm CTF Quals 2020

Cryptopals Challenges Set 1 - Solutions

[write-up] Written in Python 3 (code only)

Midnight Sun CTF 2019 Quals Write-Up: open-gyckel-crypto

[write-up] Fun RSA/Math challenge

nullcon HackIM 2019 CTF Write-up: 2FUN

[write-up] Meet in the middle attack on 2DES-like cipher