From: Jan Glauber <[email protected]>
Cleanup the remaining s390 crypto options by mentioning the earliest machine
type that supports an accelerated algorithm.
Signed-off-by: Jan Glauber <[email protected]>
---
drivers/crypto/Kconfig | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
--- 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"
@@ -151,8 +149,10 @@ 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"
--