$ ctf42

#gcd CTF challenges

2 CTF challenges using gcd from 2 CTFs (2021–2022), 2 with writeups.

Crypto · 2

Often combined with

#rsa 2 #common-prime 1 #common-factor 1

Challenges

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Challenge CTF Weight Category Has
alice_bob_dave
#rsa#common-prime#gcd
 Zh3r0 2021 – Crypto files src wu 2
escrime
#rsa#common-factor#gcd
 Securinets 2022 Quals 50.11 Crypto files wu 1