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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2014-07-29 17:14:14 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-08-02 08:51:47 +0100 |
| commit | 604682551aa511e00e57706ad5d9fcf955ee0323 (patch) | |
| tree | ed97c0b46b271b45dd02209482b7ea81d594728d /crypto | |
| parent | 1f8673d31a999ed7e20d9f66fcdad39e39f6b276 (diff) | |
| download | linux-0-day-604682551aa511e00e57706ad5d9fcf955ee0323.tar.gz linux-0-day-604682551aa511e00e57706ad5d9fcf955ee0323.tar.xz | |
ARM: 8119/1: crypto: sha1: add ARM NEON implementation
This patch adds ARM NEON assembly implementation of SHA-1 algorithm.
tcrypt benchmark results on Cortex-A8, sha1-arm-asm vs sha1-neon-asm:
block-size bytes/update old-vs-new
16 16 1.04x
64 16 1.02x
64 64 1.05x
256 16 1.03x
256 64 1.04x
256 256 1.30x
1024 16 1.03x
1024 256 1.36x
1024 1024 1.52x
2048 16 1.03x
2048 256 1.39x
2048 1024 1.55x
2048 2048 1.59x
4096 16 1.03x
4096 256 1.40x
4096 1024 1.57x
4096 4096 1.62x
8192 16 1.03x
8192 256 1.40x
8192 1024 1.58x
8192 4096 1.63x
8192 8192 1.63x
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index ce4012a58781b..a379dada495ce 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -540,6 +540,17 @@ config CRYPTO_SHA1_ARM SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented using optimized ARM assembler. +config CRYPTO_SHA1_ARM_NEON + tristate "SHA1 digest algorithm (ARM NEON)" + depends on ARM && KERNEL_MODE_NEON && !CPU_BIG_ENDIAN + select CRYPTO_SHA1_ARM + select CRYPTO_SHA1 + select CRYPTO_HASH + help + SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented + using optimized ARM NEON assembly, when NEON instructions are + available. + config CRYPTO_SHA1_PPC tristate "SHA1 digest algorithm (powerpc)" depends on PPC |