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SHA256: Intel flags has SHA but not AVX1 or AVX2

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Reversal of bytes when IS_INTEL_SHA only is same as when AVX1 or AVX2.
This commit is contained in:
Sean Parkinson
2025-02-27 09:25:13 +10:00
parent 307b71c0f4
commit b104887042
1 changed files with 4 additions and 2 deletions
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6
wolfcrypt/src/sha256.c
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@@ -209,7 +209,8 @@ on the specific device platform.
#define SHA256_UPDATE_REV_BYTES(ctx) (sha256->sha_method == SHA256_C)
#else
#define SHA256_UPDATE_REV_BYTES(ctx) \
(!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
(!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags) && \
!IS_INTEL_SHA(intel_flags))
#endif
#elif defined(FREESCALE_MMCAU_SHA)
#define SHA256_UPDATE_REV_BYTES(ctx) 0 /* reverse not needed on update */
@@ -1652,7 +1653,8 @@ static int InitSha256(wc_Sha256* sha256)
#ifdef WC_C_DYNAMIC_FALLBACK
if (sha256->sha_method != SHA256_C)
#else
if (IS_INTEL_AVX1(intel_flags) || IS_INTEL_AVX2(intel_flags))
if (IS_INTEL_AVX1(intel_flags) || IS_INTEL_AVX2(intel_flags) ||
IS_INTEL_SHA(intel_flags))
#endif
#endif
{