Writeup for Invoice Generator from LA CTF 2026. A Web challenge involving PDF generation and SSRF via XSS.
Writeup for The Clock from LA CTF 2026. A Crypto challenge involving Diffie-Hellman over a clock group and Pohlig-Hellman attack.
Writeup for Pasty from Nullcon HackIM CTF 2026. A Crypto/Web challenge involving XOR-based signature forgery.
