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| author | Markus Stockhausen <stockhausen@collogia.de> | 2015-02-22 10:00:10 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-03-01 23:02:29 +1300 |
| commit | 504c6143c53dfd140d42fe76d0faed1309c6d1b6 (patch) | |
| tree | de1bda11d28c81f7df6b3235ebe8f8bc2233f545 | |
| parent | 8a28a1a89409289d9552757b95f85b50ffc26ac7 (diff) | |
| download | linux-504c6143c53dfd140d42fe76d0faed1309c6d1b6.tar.bz2 | |
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>
| -rw-r--r-- | arch/powerpc/crypto/Makefile | 2 | ||||
| -rw-r--r-- | crypto/Kconfig | 13 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/crypto/Makefile b/arch/powerpc/crypto/Makefile index a07e763befb5..1698fb94b1ae 100644 --- a/arch/powerpc/crypto/Makefile +++ b/arch/powerpc/crypto/Makefile @@ -4,8 +4,10 @@ # Arch-specific CryptoAPI modules. # +obj-$(CONFIG_CRYPTO_AES_PPC_SPE) += aes-ppc-spe.o obj-$(CONFIG_CRYPTO_SHA1_PPC) += sha1-powerpc.o obj-$(CONFIG_CRYPTO_SHA256_PPC_SPE) += sha256-ppc-spe.o +aes-ppc-spe-y := aes-spe-core.o aes-spe-keys.o aes-tab-4k.o aes-spe-modes.o aes_spe_glue.o sha1-powerpc-y := sha1-powerpc-asm.o sha1.o sha256-ppc-spe-y := sha256-spe-asm.o sha256_spe_glue.o 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 |