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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-08-04 21:46:25 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2018-08-07 12:51:40 +0300
commit22240df7ac6d76a271197571a7be45addef2ba15 (patch)
treec173745896b9a7f0c1fff2328b7f63b284af6abf /lib
parent8e492eff7de955e6ed1dc2989b17c41cd862aa28 (diff)
downloadlinux-22240df7ac6d76a271197571a7be45addef2ba15.tar.xz
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>
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