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authorJan Glauber <jan.glauber@de.ibm.com>2007-02-05 21:18:22 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-02-05 21:18:22 +0100
commit1b2782948997cf5a0d1747de13d43ba7dfa7c543 (patch)
tree3c9c74179f2e8feaaaf48c1ff6dad78e979ed2e5 /arch/s390/defconfig
parentd54853ef8cb17296ac7bce9c77430fb7c80532d0 (diff)
downloadlinux-linaro-android-1b2782948997cf5a0d1747de13d43ba7dfa7c543.tar.gz
[S390] Support for s390 Pseudo Random Number Generator
Starting with the z9 the CPU Cryptographic Assist Facility comes with an integrated Pseudo Random Number Generator. The generator creates random numbers by an algorithm similar to the ANSI X9.17 standard. The pseudo-random numbers can be accessed via a character device driver node called /dev/prandom. Similar to /dev/urandom any amount of bytes can be read from the device without blocking. Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/defconfig')
-rw-r--r--arch/s390/defconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 12eb97f9c1d..dbe3df4b0da 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -757,6 +757,7 @@ CONFIG_CRYPTO_CBC=y
# CONFIG_CRYPTO_SHA256_S390 is not set
# CONFIG_CRYPTO_DES_S390 is not set
# CONFIG_CRYPTO_AES_S390 is not set
+CONFIG_S390_PRNG=m
#
# Library routines