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authorMarkus Stockhausen <stockhausen@collogia.de>2015-02-22 10:00:10 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2015-03-01 23:02:29 +1300
commit504c6143c53dfd140d42fe76d0faed1309c6d1b6 (patch)
treede1bda11d28c81f7df6b3235ebe8f8bc2233f545 /crypto
parent8a28a1a89409289d9552757b95f85b50ffc26ac7 (diff)
downloadkernel-504c6143c53dfd140d42fe76d0faed1309c6d1b6.tar.gz
crypto: powerpc/aes - kernel config
Integrate the module into the kernel configuration Signed-off-by: Markus Stockhausen <stockhausen@collogia.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 2ca8d15e0b6f..14106b267c6f 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -866,6 +866,19 @@ config CRYPTO_AES_ARM_BS
This implementation does not rely on any lookup tables so it is
believed to be invulnerable to cache timing attacks.
+config CRYPTO_AES_PPC_SPE
+ tristate "AES cipher algorithms (PPC SPE)"
+ depends on PPC && SPE
+ help
+ AES cipher algorithms (FIPS-197). Additionally the acceleration
+ for popular block cipher modes ECB, CBC, CTR and XTS is supported.
+ This module should only be used for low power (router) devices
+ without hardware AES acceleration (e.g. caam crypto). It reduces the
+ size of the AES tables from 16KB to 8KB + 256 bytes and mitigates
+ timining attacks. Nevertheless it might be not as secure as other
+ architecture specific assembler implementations that work on 1KB
+ tables or 256 bytes S-boxes.
+
config CRYPTO_ANUBIS
tristate "Anubis cipher algorithm"
select CRYPTO_ALGAPI