I've been doing Darwin Reverse Engineering since 2013 until around 2020. Now I've quit RE for the most part, and instead focus on working with LLVM. I spend spare time submitting all kinds of patches to LLVM upstream:

• D137700
• D138641
• D141256

You can verify my social identities using Keybase

• EAB47648 Revoked. Private Key destroyed
• C03D3AB0 Revoked. Private Key destroyed
• 25EF1AC0 Lost the physical token on 2023.07.23
• D056BE73 Lost the physical token on 2023.07.23
• B3D4AFE2
• E128CB18

• Download YubiKey Yubikey OPGP Attestation CA
• wget https://developers.yubico.com/PGP/opgp-attestation-ca.pem
• openssl verify -no-CAfile -no-CApath -partial_chain -trusted opgp-attestation-ca.pem ${KEY_ID}-attestation/{auth,sign,dec}.pem
• Verify the output for all .pems are .pem: OK

• Nov 2022 - Compiler Infrastructure @ miHoYo
  • Static Analysis
  • Link Time Optimization
  • Middle-End / Backend Transformation
  • Internal ToolChain Vendoring
• Nov 2021 - Oct 2022 Secured Compiler Architecture / MobileVMP @ Tencent Mobile TenProtect
• June 2020 - Oct 2020 PUBGM iOS AntiCheat @ Tencent Mobile TenProtect
• June 2019 - May 2020 DevOps Engineer @ Alibaba