HTB - Crypto: YALM

Challenge Summary

  • Name: YALM
  • Category: Crypto
  • Difficulty: Medium
  • Goal: Recover encrypted secret despite hidden RSA modulus.
 

Zero

CTF notes by Zero

Recovering hidden RSA modulus via oracle boundary and solving with Coppersmith small roots.

2026-02-27

Tags

#ctf #htb #cry