crypto

Details This challenge was given to the HackTheBox University CTF 2023. It was a crypto challenge of easy difficulty. A server is running for this challenge, and the code running on it is given. Overview The code import os, random, json from hashlib import sha256 from Crypto.Util.number import bytes_to_long from Crypto.Cipher import AES from Crypto.Util.Padding import pad from secret import FLAG class MSS: def __init__(self, BITS, d, n): # 256, 30, 19 self....

Table of Contents Crypto Asan (400) Forensics Stealth (176) Picapu (304) Misc Easy (100) Pwn Bitsy (304) Reversing Hardcoded (100) Jaguar (100) MD5 (176) Stegano Hidden (100) Steagu (176) Web Bruta (176) Blogy (244) Fr33 Storage (304) Contactu (400) Overview This is a write-up for the challenges from the RSTCon 3 CTF. The CTF was held on the 29th-30th of April and lasted for 30 hours. I managed to solve 14 of the 16 challenges....

Details This challenge was given to the HackTheBox University CTF 2022. It was a crypto challenge of medium difficulty. The source code is given Description Few people on this planet studied wandlore. It was known that the wand selects the wizard, but a good wand seller should be able to guess it with at most 3 suggestions. During the 190th Great Wizard Examination, the last question was created by Olivender, the greatest wand seller of all time....