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authorGerald Schaefer <gerald.schaefer@de.ibm.com>2011-04-19 21:29:18 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-05-04 15:06:32 +1000
commitdf1309ce955a490eac6697a41159b43e24d35995 (patch)
treefd53613e37728e3774c3343bc31cbf7c6d983750 /drivers/crypto
parent99d97222150a24e6096805530e141af94183b9a1 (diff)
crypto: s390 - add System z hardware support for GHASH
This patch adds System z hardware acceleration support for the GHASH algorithm for GCM (Galois/Counter Mode). The hardware support is available beginning with System z196. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 78df36adbe6..d459cc7894d 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -151,6 +151,16 @@ config S390_PRNG
ANSI X9.17 standard. The PRNG is usable via the char device
/dev/prandom.
+config CRYPTO_GHASH_S390
+ tristate "GHASH digest algorithm"
+ depends on S390
+ select CRYPTO_HASH
+ help
+ This is the s390 hardware accelerated implementation of the
+ GHASH message digest algorithm for GCM (Galois/Counter Mode).
+
+ It is available as of z196.
+
config CRYPTO_DEV_MV_CESA
tristate "Marvell's Cryptographic Engine"
depends on PLAT_ORION