https://ld.je Notes on security, hacking, and bare-metal computing. en https://ld.je/blog/through-sand-and-star https://ld.je/blog/through-sand-and-star Jane Street gave us a chip layout and a success signal. We reverse engineered the circuit, solved the challenge, and found more along the way. Tue, 11 Aug 2026 00:00:00 GMT https://ld.je/blog/reading-memory-by-painting-it https://ld.je/blog/reading-memory-by-painting-it A short note on the ideas behind a Chromium renderer-to-GPU sandbox escape via Skia. Thu, 06 Aug 2026 00:00:00 GMT