$ ctf42

Challenges

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

Challenge CTF Weight Category Has
RSASSS
#rsa#hastad-broadcast-attack#crt
 b01lers 2021 22.99 Crypto files wu 1
Reasonable_Security_Ahead
#rsa#franklin-reiter-related-message#coppersmith
 b01lers 2021 22.99 Crypto files wu 1
Unlucky_Strike
#cbc-padding-oracle
 b01lers 2021 22.99 Crypto files wu 1
ecb_lasagna b01lers 2026 66.00 Crypto files
manytags b01lers 2026 66.00 Crypto files
qss b01lers 2026 66.00 Crypto files
sporadiclogarithms b01lers 2026 66.00 Crypto files
ASSS b01lers 2025 44.50 Crypto files
Pesky_CBC b01lers 2025 44.50 Crypto files
Provisioned_Secret_Sharing b01lers 2025 44.50 Crypto files
cver1 b01lers 2025 44.50 Crypto files
leetprime b01lers 2025 44.50 Crypto files
sporadic_elucidation b01lers 2025 44.50 Crypto files
Fetus_RSA b01lers 2024 30.80 Crypto files
Propagating_Counter_Block_Chaining b01lers 2024 30.80 Crypto files
R_esurre_C_tion_4 b01lers 2024 30.80 Crypto files
Snoopy b01lers 2024 30.80 Crypto files
choose_the_param b01lers 2024 30.80 Crypto files
count_the_counter b01lers 2024 30.80 Crypto files
half_big_rsa b01lers 2024 30.80 Crypto files
schnore b01lers 2024 30.80 Crypto files
shamir_for_dummies b01lers 2024 30.80 Crypto files
MajesticLop b01lers 2023 36.84 Crypto files
poeticrypto b01lers 2023 36.84 Crypto files
voidciphr b01lers 2023 36.84 Crypto files
Baby_Data_Science b01lers 2022 33.05 Crypto files
Data_Science b01lers 2022 33.05 Crypto files
Hardcore b01lers 2022 33.05 Crypto files
Hardcore2 b01lers 2022 33.05 Crypto files
Baby_double_XOR b01lers 2021 22.99 Crypto files
Cold_War_Gets_Hotter b01lers 2021 22.99 Crypto files
Double_XOR b01lers 2021 22.99 Crypto files