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Commit 9be7e244 authored by Megha Dey's avatar Megha Dey Committed by Herbert Xu
Browse files

crypto: sha256-mb - Enable multibuffer support 



Add the config CRYPTO_SHA256_MB which will enable the computation using the
SHA256 multi-buffer algorithm.

Signed-off-by: default avatarMegha Dey <megha.dey@linux.intel.com>
Reviewed-by: default avatarFenghua Yu <fenghua.yu@intel.com>
Reviewed-by: default avatarTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f876f440

crypto/Kconfig

+16 −0
Original line number Diff line number Diff line
@@ -704,6 +704,22 @@ config CRYPTO_SHA1_MB 
	  lanes remain unfilled, a flush operation will be initiated to

	  process the crypto jobs, adding a slight latency.



config CRYPTO_SHA256_MB

	tristate "SHA256 digest algorithm (x86_64 Multi-Buffer, Experimental)"

	depends on X86 && 64BIT

	select CRYPTO_SHA256

	select CRYPTO_HASH

	select CRYPTO_MCRYPTD

	help

	  SHA-256 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