Messages in this thread Patch in this message | | | From | megha.dey@linux ... | Subject | [PATCH 2/6] crypto: sha512-mb - Enable SHA512 multibuffer support | Date | Thu, 24 Mar 2016 13:27:25 -0700 |
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From: Megha Dey <megha.dey@linux.intel.com>
Add the config CRYPTO_SHA512_MB which will enable the computation using the SHA512 multi-buffer algorithm.
Signed-off-by: Megha Dey <megha.dey@linux.intel.com> Reviewed-by: Fenghua Yu <fenghua.yu@intel.com> Reviewed-by: Tim Chen <tim.c.chen@linux.intel.com> --- crypto/Kconfig | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/crypto/Kconfig b/crypto/Kconfig index 3c763d8..02fce62 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -694,6 +694,22 @@ config CRYPTO_SHA256_MB lanes remain unfilled, a flush operation will be initiated to process the crypto jobs, adding a slight latency. +config CRYPTO_SHA512_MB + tristate "SHA512 digest algorithm (x86_64 Multi-Buffer, Experimental)" + depends on X86 && 64BIT + select CRYPTO_SHA512 + select CRYPTO_HASH + select CRYPTO_MCRYPTD + help + SHA-512 secure hash standard (FIPS 180-1/DFIPS 180-2) implemented + using multi-buffer technique. This algorithm computes on + multiple data lanes concurrently with SIMD instructions for + better throughput. It should not be enabled by default but + used when there is significant amount of work to keep the keep + the data lanes filled to get performance benefit. If the data + lanes remain unfilled, a flush operation will be initiated to + process the crypto jobs, adding a slight latency. + config CRYPTO_SHA256 tristate "SHA224 and SHA256 digest algorithm" select CRYPTO_HASH -- 1.9.1
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