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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2016-09-04 13:41:02 +0300 |
|---|---|---|
| committer | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2016-09-05 20:08:48 +0300 |
| commit | 0b332c1aef03a735c1fb0df184f74d523deb2f98 (patch) | |
| tree | 2efc348903aa54b6c746e9c72786889eb68bc885 /cipher/cipher-internal.h | |
| parent | 2d4bbc0ad62c54bbdef77799f9db82d344b7219e (diff) | |
| download | libgcrypt-0b332c1aef03a735c1fb0df184f74d523deb2f98.tar.gz | |
Add ARMv8/AArch64 Crypto Extension implementation of GCM
* cipher/Makefile.am: Add 'cipher-gcm-armv8-aarch64-ce.S'.
* cipher/cipher-gcm-armv8-aarch64-ce.S: New.
* cipher/cipher-internal.h (GCM_USE_ARM_PMULL): Enable on
ARMv8/AArch64.
--
Benchmark on Cortex-A53 (1152 Mhz):
Before:
| nanosecs/byte mebibytes/sec cycles/byte
GMAC_AES | 15.54 ns/B 61.36 MiB/s 17.91 c/B
After (11.9x faster):
| nanosecs/byte mebibytes/sec cycles/byte
GMAC_AES | 1.30 ns/B 731.5 MiB/s 1.50 c/B
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Diffstat (limited to 'cipher/cipher-internal.h')
| -rw-r--r-- | cipher/cipher-internal.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cipher/cipher-internal.h b/cipher/cipher-internal.h index 52504f6b..01352f31 100644 --- a/cipher/cipher-internal.h +++ b/cipher/cipher-internal.h @@ -79,6 +79,10 @@ && defined(HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS) \ && defined(HAVE_GCC_INLINE_ASM_AARCH32_CRYPTO) # define GCM_USE_ARM_PMULL 1 +# elif defined(__AARCH64EL__) && \ + defined(HAVE_COMPATIBLE_GCC_AARCH64_PLATFORM_AS) && \ + defined(HAVE_GCC_INLINE_ASM_AARCH64_CRYPTO) +# define GCM_USE_ARM_PMULL 1 # endif #endif /* GCM_USE_ARM_PMULL */ |