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crypto: s390 - cleanup s390 Kconfig options 

Cleanup the remaining s390 crypto options by mentioning the earliest machine
type that supports an accelerated algorithm.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jan Glauber 2011-04-19 21:29:19 +02:00 committed by Herbert Xu
parent df1309ce95
commit d393d9b8ca
1 changed files with 8 additions and 8 deletions
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16
drivers/crypto/Kconfig
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@ -91,6 +91,8 @@ config CRYPTO_SHA1_S390
This is the s390 hardware accelerated implementation of the
SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).
It is available as of z990.
config CRYPTO_SHA256_S390
tristate "SHA256 digest algorithm"
depends on S390
@ -99,8 +101,7 @@ config CRYPTO_SHA256_S390
This is the s390 hardware accelerated implementation of the
SHA256 secure hash standard (DFIPS 180-2).
This version of SHA implements a 256 bit hash with 128 bits of
security against collision attacks.
It is available as of z9.
config CRYPTO_SHA512_S390
tristate "SHA384 and SHA512 digest algorithm"
@ -110,10 +111,7 @@ config CRYPTO_SHA512_S390
This is the s390 hardware accelerated implementation of the
SHA512 secure hash standard.
This version of SHA implements a 512 bit hash with 256 bits of
security against collision attacks. The code also includes SHA-384,
a 384 bit hash with 192 bits of security against collision attacks.
It is available as of z10.
config CRYPTO_DES_S390
tristate "DES and Triple DES cipher algorithms"
@ -148,8 +146,10 @@ config S390_PRNG
Select this option if you want to use the s390 pseudo random number
generator. The PRNG is part of the cryptographic processor functions
and uses triple-DES to generate secure random numbers like the
ANSI X9.17 standard. The PRNG is usable via the char device
/dev/prandom.
ANSI X9.17 standard. User-space programs access the
pseudo-random-number device through the char device /dev/prandom.
It is available as of z9.
config CRYPTO_GHASH_S390
tristate "GHASH digest algorithm"