Tag: xor

• Reversing the Windows Photos AI Eraser Models

  2026-05-11

  Reversing the Windows Photos AI eraser models, digging into the on-device machine learning model files to understand how the feature works, including the pitfalls and the fix.

• How WeChat Channels Encrypts Video: Reversing WxIsaac64 and the 128KB XOR Key

  2023-12-01

  How WeChat Channels encrypts video: reversing the WxIsaac64 PRNG in WebAssembly and the 128KB XOR key it uses, via JS instrumentation and MITM, with the tools and offsets documented.