Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

Year

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
Export_Grade_Cipher #chosen-plaintext #custom-cipher	UofTCTF 2024	23.90	Crypto	files wu 1
rediary #cpp-reversing #custom-cipher	S4CTF 2021	24.52	Reverse	files wu 1
Self-HostedCrypto #custom-cipher	HackPack 2022	35.11	Reverse	files wu 1