[gull] GoFetch: attaque "side channel" sur les processeurs apple

[Philippe Strauss]

Unpatchable vulnerability in Apple chip leaks secret encryption keys
https://arstechnica.com/security/2024/03/hackers-can-extract-secret-encryption-keys-from-apples-mac-chips/

New chip flaw hits Apple Silicon and steals cryptographic keys from 
system cache — 'GoFetch' vulnerability attacks Apple M1, M2, M3 
processors, can't be fixed in hardware
https://www.tomshardware.com/pc-components/cpus/new-chip-flaw-hits-apple-silicon-and-steals-cryptographic-keys-from-system-cache-gofetch-vulnerability-attacks-apple-m1-m2-m3-processors-cant-be-fixed-in-hardware

Breaking Constant-Time Cryptographic Implementations Using Data 
Memory-Dependent Prefetchers
https://gofetch.fails