// On non-Apple ARM64, the SHA-3 instructions are apparently slower than the // pure Go implementation. Checking GOOS is a bit blunt, as it also excludes // Asahi Linux; we might consider checking the MIDR model in the future. var useSHA3 = cpu.ARM64HasSHA3 && runtime.GOOS == "darwin" func init() { impl.Register("sha3", "Armv8.2", &useSHA3) } //go:noescape func keccakF1600NEON(a *[200]byte) func keccakF1600(a *[200]byte) { if useSHA3 { keccakF1600NEON(a) } else { keccakF1600Generic(a) } } func (d...