University of Toronto Capture the Flag Competition 2025

This repository contains the solutions to challenges during UofTCTF 2025. The source is also included in most of the challenge directories.

Challenges

Challenge Name	Solve Count	Category
Funny Cipher	231/1510	Crypto
Enchanted Oracle	79/1510	Crypto
Shuffler	22/1510	Crypto
Causation	11/1510	Crypto
Timed AES	4/1510	Crypto
POOF	174/1510	Forensics
Decrypt Me	86/1510	Forensics
Minecraft Safe	3/1510	Forensics
Don't Sandbox Python 1: n-day?	11/1510	Jail
Smol JS	7/1510	Jail
Don't Sandbox Python 2: simple	3/1510	Jail
Don't Sandbox Python 3: barebones	3/1510	Jail
JS Blacklist V2	0/1510	Jail
Sanity Check	677/1510	Misc
Math Test	470/1510	Misc
Racing	325/1510	Misc
Surgery	298/1510	Misc
Racing 2	95/1510	Misc
Out of the Container	68/1510	Misc
Walk in the Forest	22/1510	Misc
Simple Signing	15/1510	Misc
Feedback	10/1510	Misc
Model Assembly Line	2/1510	Misc
Simple File Storage	2/1510	Misc
Baby Pwn	461/1510	Pwn
Baby Pwn 2	266/1510	Pwn
Echo	55/1510	Pwn
Book Editor	28/1510	Pwn
Counting Sort	25/1510	Pwn
Hash Table As a Service	15/1510	Pwn
Highly Optimized	83/1510	Rev
Py_FlagChecker	29/1510	Rev
Bloatware	14/1510	Rev
Encrypted Flag	13/1510	Rev
Scavenger Hunt	501/1510	Web
Prismatic Blogs	111/1510	Web
CodeDB	55/1510	Web
Prepared: Flag 1	33/1510	Web
1337 v4ul7	13/1510	Web
Prepared: Flag 2	6/1510	Web
Timeless	6/1510	Web
My Second App	5/1510	Web