Tags: rsa

Rating:

TLDR

$(557p-127q) \equiv s^{-1} \pmod{n}$

Solve system of linear equations with above and $n = pq$

Now that you have p and q, rest is standard RSA.

[Original writeup](https://lucaschen1000.github.io/downunder-ctf#baby-rsa)

Original writeup (https://lucaschen1000.github.io/downunder-ctf#baby-rsa).