Ben’s Blog

In small proportions we just beauties see. And in short measures life may perfect be.

Essay in 2025 Spring

Some thoughts in 3rd year as UG

April 4, 2025 · 1 min · 500 words · Ben Chan

Mole: Breaking GPU TEE with GPU-Embedded MCU

Shouldn’t blame the GPU TEE on ARM Mali GPU, but the Shim-Style GPU TEE’s credit chain.

March 20, 2025 · 4 min · 1824 words · Ben Chan

FlushTime: Towards Mitigating Flush-based Cache Attacks via Collaborating Flush Instructions and Timers on ARMv8-A

Depowering the timer to mitigate flush-based cache attacks

February 6, 2025 · 8 min · 3754 words · Ben Chan

SysBumps: Exploiting Speculative Execution in System Calls for Breaking KASLR in macOS for Apple Silicon

Hacking Apple Silicon by macOS. Kinda ironic.

January 24, 2025 · 9 min · 4415 words · Ben Chan

KnightCTF 2025 Personal Writeup

Full of guessing. No idea what the organizers are thinking.

January 21, 2025 · 2 min · 377 words · Ben Chan