$ ctf42

#aes CTF challenges

10 CTF challenges using aes from 10 CTFs (2021–2026), 10 with writeups. Mostly Crypto (70%) and Reverse (30%).

Crypto · 7 Reverse · 3

Often combined with

#bruteforce 2 #signature-oracle 1 #private-key-recovery 1 #ecdsa 1 #python-obfuscation 1 #xor 1 #custom-sbox 1 #block-cipher 1 #authentication-bypass 1 #pkcs7-padding 1 #cryptoapi 1 #windows-reversing 1 #meet-in-the-middle 1 #zlib 1 #iv-leaks-password 1

Challenges

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Challenge CTF Weight Category Has
435 TMUCTF 2021 – Crypto files wu 3
service zer0pts 2022 35.97 Reverse files wu 1
obfpyscated RITSEC 2026 – Reverse files wu 1
CwyptographicOwacle DaVinciCTF 2022 24.50 Crypto files wu 1
token WRECKCTF 2022 – Crypto files wu 1
4aes Defcamp 2023 Quals – Crypto files wu 1
My_Zed PwnMe 2025 Quals 24.95 Crypto files wu 1
DIY_Crypto Tenable 2022 22.37 Crypto files wu 1
mom_can_we_have_AES UIUCTF 2022 – Crypto files wu 1
rusty_vault DownUnderCTF 2024 68.04 Reverse files wu 1