[PATCH v2 0/3] crypto: powerpc - convert SPE AES algorithms to skcipher API
Herbert Xu
herbert at gondor.apana.org.au
Sat Oct 26 02:19:14 AEDT 2019
On Mon, Oct 14, 2019 at 07:45:14PM -0700, Eric Biggers wrote:
> This series converts the glue code for the PowerPC SPE implementations
> of AES-ECB, AES-CBC, AES-CTR, and AES-XTS from the deprecated
> "blkcipher" API to the "skcipher" API. This is needed in order for the
> blkcipher API to be removed.
>
> Patch 1-2 are fixes. Patch 3 is the actual conversion.
>
> Tested with:
>
> export ARCH=powerpc CROSS_COMPILE=powerpc-linux-gnu-
> make mpc85xx_defconfig
> cat >> .config << EOF
> # CONFIG_MODULES is not set
> # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
> CONFIG_DEBUG_KERNEL=y
> CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y
> CONFIG_CRYPTO_AES=y
> CONFIG_CRYPTO_CBC=y
> CONFIG_CRYPTO_CTR=y
> CONFIG_CRYPTO_ECB=y
> CONFIG_CRYPTO_XTS=y
> CONFIG_CRYPTO_AES_PPC_SPE=y
> EOF
> make olddefconfig
> make -j32
> qemu-system-ppc -M mpc8544ds -cpu e500 -nographic \
> -kernel arch/powerpc/boot/zImage \
> -append cryptomgr.fuzz_iterations=1000
>
> Note that xts-ppc-spe still fails the comparison tests due to the lack
> of ciphertext stealing support. This is not addressed by this series.
>
> Changed since v1:
>
> - Split fixes into separate patches.
>
> - Made ppc_aes_setkey_skcipher() call ppc_aes_setkey(), rather than
> creating a separate expand_key() function. This keeps the code
> shorter.
>
> Eric Biggers (3):
> crypto: powerpc - don't unnecessarily use atomic scatterwalk
> crypto: powerpc - don't set ivsize for AES-ECB
> crypto: powerpc - convert SPE AES algorithms to skcipher API
>
> arch/powerpc/crypto/aes-spe-glue.c | 389 ++++++++++++-----------------
> crypto/Kconfig | 1 +
> 2 files changed, 166 insertions(+), 224 deletions(-)
All applied. Thanks.
--
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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