crypto: pcrypt - Add pcrypt crypto parallelization wrapper

This patch adds a parallel crypto template that takes a crypto algorithm and converts it to process the crypto transforms in parallel. For the moment only aead algorithms are supported. Signed-off-by: Steffen Klassert <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
primiano · Jan 7, 2010 · 5068c7a · 5068c7a
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diff --git a/crypto/Kconfig b/crypto/Kconfig
@@ -114,6 +114,16 @@ config CRYPTO_NULL
  help
  These are 'Null' algorithms, used by IPsec, which do nothing.
 
+config CRYPTO_PCRYPT
+ tristate "Parallel crypto engine (EXPERIMENTAL)"
+ depends on SMP && EXPERIMENTAL
+ select PADATA
+ select CRYPTO_MANAGER
+ select CRYPTO_AEAD
+ help
+ This converts an arbitrary crypto algorithm into a parallel
+ algorithm that executes in kernel threads.
+
 config CRYPTO_WORKQUEUE
  tristate
 

diff --git a/crypto/Makefile b/crypto/Makefile
@@ -56,6 +56,7 @@ obj-$(CONFIG_CRYPTO_XTS) += xts.o
 obj-$(CONFIG_CRYPTO_CTR) += ctr.o
 obj-$(CONFIG_CRYPTO_GCM) += gcm.o
 obj-$(CONFIG_CRYPTO_CCM) += ccm.o
+obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
 obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
 obj-$(CONFIG_CRYPTO_DES) += des_generic.o
 obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o