From 504c6143c53dfd140d42fe76d0faed1309c6d1b6 Mon Sep 17 00:00:00 2001 From: Markus Stockhausen Date: Sun, 22 Feb 2015 10:00:10 +0100 Subject: crypto: powerpc/aes - kernel config Integrate the module into the kernel configuration Signed-off-by: Markus Stockhausen Signed-off-by: Herbert Xu --- crypto/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'crypto') 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 -- cgit v1.2.3