$ ctf42

Challenges

Category
Difficulty
CTFtime weight
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Higher weight ≈ harder, more prestigious event.
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16 challenges · browse all techniques

Challenge CTF Weight Category Has
DesintegratedRSA
#rsa#bit-flip-recovery#prime-reconstruction
 DaVinciCTF 2023 29.26 Crypto files wu 2
CwyptographicOwacle
#ecdsa#signature-oracle#private-key-recovery#aes
 DaVinciCTF 2022 24.50 Crypto files wu 1
small_weiner
#rsa#boneh-durfee#lattice#small-private-exponent
 DaVinciCTF 2022 24.50 Crypto files wu 2
BootlessRSA
#rsa#low-exponent#cube-root
 DaVinciCTF 2021 24.50 Crypto files wu 3
Decode
#encoding#hex-to-ascii#multi-layer-encoding
 DaVinciCTF 2021 24.50 Crypto files wu 1
Substitution
#substitution-cipher#atbash
 DaVinciCTF 2021 24.50 Crypto files wu 3
TheMoreTheLess
#rsa#multiprime#factordb
 DaVinciCTF 2021 24.50 Crypto files wu 2
0neC00K1e DaVinciCTF 2025 32.59 Crypto files
Counterfeit_Arts DaVinciCTF 2025 32.59 Crypto files
IndestructibleVault DaVinciCTF 2025 32.59 Crypto files
SCAred_Generator DaVinciCTF 2025 32.59 Crypto files
DaVincisClock DaVinciCTF 2023 29.26 Crypto files
InfiniteImage DaVinciCTF 2023 29.26 Crypto files
Personalkey DaVinciCTF 2023 29.26 Crypto files
RadioactiveRSA DaVinciCTF 2023 29.26 Crypto files
VigenereXOR DaVinciCTF 2023 29.26 Crypto files