$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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9 challenges · browse all techniques

Challenge CTF Weight Category Has
curved-mvm
#ecdsa#weak-nonce#nonce-bruteforce#signature-forgery
 x3ctf 2025 – Crypto files wu 1
man_vs_matrix
#linear-algebra#matrix-inversion#finite-field
 x3ctf 2025 – Crypto files wu 1
babyrng x3ctf 2025 – Crypto files
fastcrypto x3ctf 2025 – Crypto files
much-vulnerable-machine-1 x3ctf 2025 – Crypto files
much-vulnerable-machine-2 x3ctf 2025 – Crypto files
much-vulnerable-machine-3 x3ctf 2025 – Crypto files
rubiks-dsa x3ctf 2025 – Crypto files
sourceless-crypto x3ctf 2025 – Crypto files