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core/crypto/sha2: Use hardware SHA224/256 when available (AMD64)

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Yawning Angel
2025-03-23 19:14:33 +09:00
parent f3f5fbd373
commit 982ab11aa1
5 changed files with 285 additions and 3 deletions
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core/sys/info/cpu_intel.odin
+2
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@@ -23,6 +23,7 @@ CPU_Feature :: enum u64 {
popcnt, // Hamming weight instruction POPCNT.
rdrand, // RDRAND instruction (on-chip random number generator)
rdseed, // RDSEED instruction (on-chip random number generator)
sha, // SHA Extensions (SHA-1, SHA-224, SHA-256)
sse2, // Streaming SIMD extension 2 (always available on amd64)
sse3, // Streaming SIMD extension 3
ssse3, // Supplemental streaming SIMD extension 3
@@ -115,6 +116,7 @@ init_cpu_features :: proc "c" () {
_, ebx7, ecx7, edx7 := cpuid(7, 0)
try_set(&set, .bmi1, 3, ebx7)
try_set(&set, .sha, 29, ebx7)
if os_supports_avx {
try_set(&set, .avx2, 5, ebx7)
}