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Challenges

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

Challenge CTF Weight Category Has
iheartrsa
#rsa#hastad-broadcast
 TJCTF 2023 – Crypto files wu 1
squishy
#rsa#signature-oracle
 TJCTF 2023 – Crypto files wu 1
factor-master
#rsa#factorization
 TJCTF 2022 – Crypto files wu 1
mac-master
#hash-collision#md5
 TJCTF 2022 – Crypto files wu 1
morph-master
#paillier#homomorphic
 TJCTF 2022 – Crypto files wu 1
rsa-apprentice
#rsa
 TJCTF 2022 – Crypto files wu 2
baby-rsa TJCTF 2023 – Crypto files wu 2
ezdlp TJCTF 2023 – Crypto files wu 1
TAUtology TJCTF 2026 – Crypto files
bit_leak TJCTF 2026 – Crypto files
celestial_vault TJCTF 2026 – Crypto files
crashout TJCTF 2026 – Crypto files
minervas_stopwatch TJCTF 2026 – Crypto files
multiplication_as_a_service TJCTF 2026 – Crypto files
squares TJCTF 2026 – Crypto files
stained_glass TJCTF 2026 – Crypto files
trust_issues TJCTF 2026 – Crypto files
wavy TJCTF 2026 – Crypto files
alchemist_recipe TJCTF 2025 – Crypto files
bacon_bits TJCTF 2025 – Crypto files
close_secrets TJCTF 2025 – Crypto files
dotdotdotv2 TJCTF 2025 – Crypto files
double_trouble TJCTF 2025 – Crypto files
pseudo_secure TJCTF 2025 – Crypto files
seeds TJCTF 2025 – Crypto files
theartofwar TJCTF 2025 – Crypto files
accountleak TJCTF 2024 – Crypto files
alkane TJCTF 2024 – Crypto files
assume TJCTF 2024 – Crypto files
c_8 TJCTF 2024 – Crypto files
hulksmash TJCTF 2024 – Crypto files
iodomethane TJCTF 2024 – Crypto files
lightweight_crypto_guard_system TJCTF 2024 – Crypto files
lithium_stearate TJCTF 2024 – Crypto files
tetraethyllead TJCTF 2024 – Crypto files
titanium_isopropoxide TJCTF 2024 – Crypto files
u_235 TJCTF 2024 – Crypto files
weird_crypto TJCTF 2024 – Crypto files
aluminum-isopropoxide TJCTF 2023 – Crypto files
drm-1 TJCTF 2023 – Crypto files