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Tag: Half GCD

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Half GCD

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Updated Apr 24, 2026
Half GCD Challenges
RSALCG2
keymoon

keymoon

Crypto
0 solves

RSALCG2

zer0pts CTF 2023
0 solves
Crypto

by

keymoon

keymoon

LCG is weak even when it is used with RSA, but what if when they are stacked?

This challenge was inspired by the RSALCG in Ricerca CTF 2023

rsalcg2.tar.gz
descriptionsolveswriteups