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crypto: s390 - add System z hardware support for GHASH

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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 <[email protected]>
Signed-off-by: Gerald Schaefer <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Gerald Schaefer 2011-04-19 21:29:18 +02:00 • committed by Herbert Xu
commit df1309ce95
4 changed files with 174 additions and 0 deletions
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10
drivers/crypto/Kconfig
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@ -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