Challenges

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

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

–

Higher weight ≈ harder, more prestigious event.

Year

–

CTF

Country

Must have Source / Docker Writeup

Sort

Reset

Challenge	CTF	Weight	Category	Has
silver-water-industries #quadratic-residue	Hack.lu 2021	94.48	Crypto	files wu 3
dividing_secrets #discrete-log #quadratic-residue	corCTF 2021	24.92	Crypto	files wu 2
janken_vs_yoshiking #elgamal #quadratic-residue #legendre-symbol	zer0pts 2021	24.56	Crypto	files wu 2