$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

37 challenges · browse all techniques

Challenge CTF Weight Category Has
Gleamering_Star
#bit-truncation
 HITCON 2024 Quals 100.00 Crypto files wu 1
Careless_Padding
#padding-oracle
 HITCON 2023 Quals 99.75 Crypto files wu 1
BabyLWE HITCON 2025 – Crypto files
Granular_Counter_Mode HITCON 2025 – Crypto files
MRSA HITCON 2025 – Crypto files
Paranoid HITCON 2025 – Crypto files
Pedantic HITCON 2025 – Crypto files
Sharing_is_caring HITCON 2025 – Crypto files
simple_drive HITCON 2025 – Crypto files
simple_drive_revenge HITCON 2025 – Crypto files
BrokenShare HITCON 2024 Quals 100.00 Crypto files
ECLCG HITCON 2024 Quals 100.00 Crypto files
Hyper512 HITCON 2024 Quals 100.00 Crypto files
MatProd HITCON 2024 Quals 100.00 Crypto files
PCBC_Revenge HITCON 2024 Quals 100.00 Crypto files
ZKPoF HITCON 2024 Quals 100.00 Crypto files
Collision HITCON 2023 Quals 99.75 Crypto files
EZRSA HITCON 2023 Quals 99.75 Crypto files
Echo HITCON 2023 Quals 99.75 Crypto files
Random_Shuffling_Algorithm HITCON 2023 Quals 99.75 Crypto files
Share HITCON 2023 Quals 99.75 Crypto files
babysss HITCON 2022 – Crypto files
chimera HITCON 2022 – Crypto files
easy_ntru HITCON 2022 – Crypto files
everywhere HITCON 2022 – Crypto files
secret HITCON 2022 – Crypto files
secure_paste HITCON 2022 – Crypto files
superprime HITCON 2022 – Crypto files
a_little_easy_rsa HITCON 2021 – Crypto files
dlog HITCON 2021 – Crypto files
magic_rsa HITCON 2021 – Crypto files
so_easy_but_not_rsa HITCON 2021 – Crypto files
so_easy_rsa HITCON 2021 – Crypto files
still_not_rsa HITCON 2021 – Crypto files
Luaky HITCON 2017 Quals 69.38 Crypto files
SSSP HITCON 2017 Quals 69.38 Crypto files src
Very Luaky HITCON 2017 Quals 69.38 Crypto files