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.

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
benaloh #benaloh-cryptosystem #lcg-nonce #higher-residuosity	DiceCTF 2021	24.82	Crypto	files wu 1
LCG_k #ecdsa #lcg-nonce #signature-forgery	corCTF 2021	24.92	Crypto	files src wu 1