AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/arm/crypto
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Ard Biesheuvel 0d149ce67d crypto: arm/aes - avoid expanded lookup tables in the final round 
For the final round, avoid the expanded and padded lookup tables
exported by the generic AES driver. Instead, for encryption, we can
perform byte loads from the same table we used for the inner rounds,
which will still be hot in the caches. For decryption, use the inverse
AES Sbox directly, which is 4x smaller than the inverse lookup table
exported by the generic driver.

This should significantly reduce the Dcache footprint of our code,
which makes the code more robust against timing attacks. It does not
introduce any additional module dependencies, given that we already
rely on the core AES module for the shared key expansion routines.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-08-04 09:27:25 +08:00
..
.gitignore
aes-ce-core.S crypto: arm/aes-ce - remove cra_alignmask 2017-02-03 18:16:16 +08:00
aes-ce-glue.c crypto: algapi - make crypto_xor() take separate dst and src arguments 2017-08-04 09:27:15 +08:00
aes-cipher-core.S crypto: arm/aes - avoid expanded lookup tables in the final round 2017-08-04 09:27:25 +08:00
aes-cipher-glue.c crypto: arm/aes - replace scalar AES cipher 2017-01-13 00:26:50 +08:00
aes-neonbs-core.S crypto: arm/aes - don't use IV buffer to return final keystream block 2017-02-03 18:16:21 +08:00
aes-neonbs-glue.c crypto: algapi - make crypto_xor() take separate dst and src arguments 2017-08-04 09:27:15 +08:00
chacha20-neon-core.S crypto: arm/chacha20 - implement NEON version based on SSE3 code 2017-01-13 00:26:48 +08:00
chacha20-neon-glue.c crypto: arm/chacha20 - remove cra_alignmask 2017-02-03 18:16:19 +08:00
crc32-ce-core.S crypto: arm/crc32 - fix build error with outdated binutils 2017-03-01 19:47:51 +08:00
crc32-ce-glue.c crypto: arm/crc32 - enable module autoloading based on CPU feature bits 2017-06-01 12:55:42 +08:00
crct10dif-ce-core.S crypto: arm/crct10dif - port x86 SSE implementation to ARM 2016-12-07 20:01:21 +08:00
crct10dif-ce-glue.c crypto: arm/crct10dif - port x86 SSE implementation to ARM 2016-12-07 20:01:21 +08:00
ghash-ce-core.S crypto: arm/ghash - add NEON accelerated fallback for vmull.p64 2017-08-04 09:27:24 +08:00
ghash-ce-glue.c crypto: arm/ghash - add NEON accelerated fallback for vmull.p64 2017-08-04 09:27:24 +08:00
Kconfig crypto: arm/ghash - add NEON accelerated fallback for vmull.p64 2017-08-04 09:27:24 +08:00
Makefile crypto: arm/crc32 - add build time test for CRC instruction support 2017-03-01 19:47:53 +08:00
sha1_glue.c
sha1_neon_glue.c
sha1-armv4-large.S
sha1-armv7-neon.S
sha1-ce-core.S
sha1-ce-glue.c crypto: arm/sha1-ce - enable module autoloading based on CPU feature bits 2017-06-01 12:55:40 +08:00
sha1.h
sha2-ce-core.S
sha2-ce-glue.c crypto: arm/sha2-ce - enable module autoloading based on CPU feature bits 2017-06-01 12:55:41 +08:00
sha256_glue.c
sha256_glue.h
sha256_neon_glue.c
sha256-armv4.pl
sha256-core.S_shipped
sha512-armv4.pl
sha512-core.S_shipped
sha512-glue.c
sha512-neon-glue.c
sha512.h