$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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1454 challenges in family ⊕ crypto ✕ clear · browse all techniques

Challenge CTF Weight Category Has
FromTheFUTURE VishwaCTF 2021 – Crypto files wu 1
Rotations VishwaCTF 2021 – Reverse files wu 2
QR_Codebook VolgaCTF 2021 Quals 32.73 Crypto files wu 1
S+7 WPICTF 2021 – Crypto files wu 1
1n_jection Zh3r0 2021 – Crypto files src wu 1
Sabloom_Text_6 Zh3r0 2021 – Reverse files src wu 1
alice_bob_dave Zh3r0 2021 – Crypto files src wu 2
chaos Zh3r0 2021 – Crypto files wu 2
import_numpy_as_MT Zh3r0 2021 – Crypto files src wu 1
real_mersenne Zh3r0 2021 – Crypto files src wu 2
twist_and_shout Zh3r0 2021 – Crypto files src wu 2
Exclusive_Cipher angstromCTF 2021 – Crypto files wu 1
Im_so_Random angstromCTF 2021 – Crypto files wu 1
Relatively_Simple_Algorithm angstromCTF 2021 – Crypto files wu 1
RSASSS b01lers 2021 22.99 Crypto files wu 1
Reasonable_Security_Ahead b01lers 2021 22.99 Crypto files wu 1
Unlucky_Strike b01lers 2021 22.99 Crypto files wu 1
roulette_wheel b01lers 2021 22.99 Reverse files wu 2
weenie_hut_general b01lers 2021 22.99 Reverse files wu 2
4096 corCTF 2021 24.92 Crypto files wu 3
LCG_k corCTF 2021 24.92 Crypto files src wu 1
babypad corCTF 2021 24.92 Crypto files wu 2
babyrsa corCTF 2021 24.92 Crypto files wu 1
bank corCTF 2021 24.92 Crypto files src wu 2
dividing_secrets corCTF 2021 24.92 Crypto files wu 2
supercomputer corCTF 2021 24.92 Crypto files wu 2
zoom_zoom_vision corCTF 2021 24.92 Reverse files wu 2
MITM darkCON 2021 24.06 Crypto files wu 1
Risk_Security_Analyst_Alice_Vs_Eve darkCON 2021 24.06 Crypto files wu 3
TakeItEasy darkCON 2021 24.06 Crypto files wu 3
TonyAndJames darkCON 2021 24.06 Crypto files wu 3
caBalS_puking hxp 2021 99.41 Crypto files wu 2
f_cktoring hxp 2021 99.41 Crypto files wu 1
gipfel hxp 2021 99.41 Crypto files wu 1
infinity hxp 2021 99.41 Crypto files wu 1
kipferl hxp 2021 99.41 Crypto files wu 1
zipfel hxp 2021 99.41 Crypto files wu 1
Nameless idekCTF 2021 24.56 Crypto files wu 2
Polyphenol idekCTF 2021 24.56 Crypto files wu 2
Retrosynthesis idekCTF 2021 24.56 Reverse files wu 1