diff options
| author | Jan Glauber <jang@linux.vnet.ibm.com> | 2011-04-19 21:29:19 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-05-04 07:06:34 +0200 |
| commit | d393d9b8ca7f3296b50cb6fd0dc550ed6f72cdbc (patch) | |
| tree | 83662bad298204b83eef698ce76298015f227c86 /drivers/crypto | |
| parent | crypto: s390 - add System z hardware support for GHASH (diff) | |
| download | linux-d393d9b8ca7f3296b50cb6fd0dc550ed6f72cdbc.tar.xz linux-d393d9b8ca7f3296b50cb6fd0dc550ed6f72cdbc.zip | |
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>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/Kconfig | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index d459cc7894d9..dc601ff4bcfd 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -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" |