diff options
| author | Ralph Wuerthner <rwuerthn@de.ibm.com> | 2008-04-17 07:46:15 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-04-17 07:47:02 +0200 |
| commit | 2f7c8bd6dc6540aa3275c0ad9f657401985c00e9 (patch) | |
| tree | 12cb12d661424d332ad960113c8849b3579e7e6a /drivers/crypto | |
| parent | [S390] hw_random: allow rng_dev_read() to return hardware errors. (diff) | |
| download | linux-2f7c8bd6dc6540aa3275c0ad9f657401985c00e9.tar.xz linux-2f7c8bd6dc6540aa3275c0ad9f657401985c00e9.zip | |
[S390] zcrypt: add support for large random numbers
This patch allows user space applications to access large amounts of
truly random data. The random data source is the build-in hardware
random number generator on the CEX2C cards.
Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 6b658d84d521..6d2f0c8d419a 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -64,6 +64,7 @@ config ZCRYPT tristate "Support for PCI-attached cryptographic adapters" depends on S390 select ZCRYPT_MONOLITHIC if ZCRYPT="y" + select HW_RANDOM help Select this option if you want to use a PCI-attached cryptographic adapter like: |