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crypto: arm64/ghash-ce - implement 4-way aggregation
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Sat, 4 Aug 2018 18:46:25 +0000 (20:46 +0200)
committerHerbert Xu <herbert@gondor.apana.org.au>
Tue, 7 Aug 2018 09:51:40 +0000 (17:51 +0800)
commit374b923feeb8e96e6ea7a4513e4209991c8cce8f
treec173745896b9a7f0c1fff2328b7f63b284af6abftree | snapshot
parenta22f6aa4f0140a393b639e8ffe6e6770acfd3064commit | diff
crypto: arm64/ghash-ce - implement 4-way aggregation

Enhance the GHASH implementation that uses 64-bit polynomial
multiplication by adding support for 4-way aggregation. This
more than doubles the performance, from 2.4 cycles per byte
to 1.1 cpb on Cortex-A53.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/arm64/crypto/ghash-ce-core.S diff | blob | history
arch/arm64/crypto/ghash-ce-glue.c diff | blob | history
Linux Kernel Source Tree.