diff options
| author |   Damjan Marion <dmarion@me.com> | 2020-02-12 20:12:55 +0100 |
|---|---|---|
| committer |   Neale Ranns <nranns@cisco.com> | 2020-02-13 09:41:24 +0000 |
| commit | 11da575089cd73fb75b847d01aee81fb551e8598 (patch) | |
| tree | 8100b381269223c56c057645a2afa642bc61e96c | |
| parent | 98bd75778736d4322db5ee7ecf5c548133e05d0f (diff) | |
crypto-native: add AArch64 ghash support
Type: improvement
Change-Id: I1f204685ea9374389fc24fc53184ce06806beed3
Signed-off-by: Damjan Marion <dmarion@me.com>
| -rw-r--r-- | src/plugins/crypto_native/ghash.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/plugins/crypto_native/ghash.h b/src/plugins/crypto_native/ghash.h index 79f4a348af2..1ee1a997997 100644 --- a/src/plugins/crypto_native/ghash.h +++ b/src/plugins/crypto_native/ghash.h @@ -120,25 +120,44 @@ ghash_xor3 (u8x16 a, u8x16 b, u8x16 c) static_always_inline u8x16 gmul_lo_lo (u8x16 a, u8x16 b) { +#if defined (__PCLMUL__) return (u8x16) _mm_clmulepi64_si128 ((__m128i) a, (__m128i) b, 0x00); +#elif defined (__ARM_FEATURE_CRYPTO) + return (u8x16) vmull_p64 ((poly64_t) vget_low_p64 ((poly64x2_t) a), + (poly64_t) vget_low_p64 ((poly64x2_t) b)); +#endif } static_always_inline u8x16 gmul_hi_lo (u8x16 a, u8x16 b) { +#if defined (__PCLMUL__) return (u8x16) _mm_clmulepi64_si128 ((__m128i) a, (__m128i) b, 0x01); +#elif defined (__ARM_FEATURE_CRYPTO) + return (u8x16) vmull_p64 ((poly64_t) vget_high_p64 ((poly64x2_t) a), + (poly64_t) vget_low_p64 ((poly64x2_t) b)); +#endif } static_always_inline u8x16 gmul_lo_hi (u8x16 a, u8x16 b) { +#if defined (__PCLMUL__) return (u8x16) _mm_clmulepi64_si128 ((__m128i) a, (__m128i) b, 0x10); +#elif defined (__ARM_FEATURE_CRYPTO) + return (u8x16) vmull_p64 ((poly64_t) vget_low_p64 ((poly64x2_t) a), + (poly64_t) vget_high_p64 ((poly64x2_t) b)); +#endif } static_always_inline u8x16 gmul_hi_hi (u8x16 a, u8x16 b) { +#if defined (__PCLMUL__) return (u8x16) _mm_clmulepi64_si128 ((__m128i) a, (__m128i) b, 0x11); +#elif defined (__ARM_FEATURE_CRYPTO) + return (u8x16) vmull_high_p64 ((poly64x2_t) a, (poly64x2_t) b); +#endif } typedef struct @@ -222,7 +241,6 @@ ghash_reduce (ghash_data_t * gd) gd->lo ^= midl; gd->hi ^= midr; } - r = gmul_hi_lo (ghash_poly2, gd->lo); gd->lo ^= u8x16_word_shift_left (r, 8); } @@ -261,7 +279,11 @@ ghash_precompute (u8x16 H, u8x16 * Hi, int count) H = (u8x16) ((u64x2) H << 1); H |= u8x16_word_shift_left (r8, 8); r32 = (u32x4) u8x16_word_shift_right (r8, 8); +#ifdef __SSE2__ r32 = u32x4_shuffle (r32, 0, 1, 2, 0); +#else + r32[3] = r32[0]; +#endif /* *INDENT-OFF* */ r32 = r32 == (u32x4) {1, 0, 0, 1}; /* *INDENT-ON* */ |