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author | Markus Stockhausen <stockhausen@collogia.de> | 2015-02-22 10:00:10 +0100 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-03-01 23:02:29 +1300 |
commit | 999604a9f22b23cfd841090c6624b8a4e831d7e9 (patch) | |
tree | 003aefd830340552b0d6ad73987d099431d7dd2b /crypto | |
parent | d3afd1757fa31360a79fb94aa9ce945113345d3e (diff) | |
download | linux-crypto-999604a9f22b23cfd841090c6624b8a4e831d7e9.tar.gz linux-crypto-999604a9f22b23cfd841090c6624b8a4e831d7e9.zip |
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/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 2ca8d15e..14106b26 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 |