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(parent: e059738) | patch
armv8 SHA-256 using ARMv8 Crypto Extensions
authorLoic Poulain <loic.poulain@linaro.org>
Wed, 1 Jun 2022 18:26:31 +0000 (20:26 +0200)
committerTom Rini <trini@konsulko.com>
Mon, 27 Jun 2022 17:36:28 +0000 (13:36 -0400)
commitc29ea09822fc0dc68970ea223ebddd48008acc8e
tree5f9a634239d20404cbc5cf97080ae558176d28betree | snapshot
parente059738c2c8c1ed892844760765912aed1a67887commit | diff
armv8 SHA-256 using ARMv8 Crypto Extensions

This patch adds support for the SHA-256 Secure Hash Algorithm for CPUs
that have support for the SHA-256 part of the ARM v8 Crypto Extensions.

It greatly improves sha-256 based operations, about 17x faster on iMX8M
evk board. ~12ms vs ~208ms for a 20MiB kernel sha-256 verification.

asm implementation is a simplified version of the Linux version (from
Ard Biesheuvel).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
arch/arm/cpu/armv8/Kconfig diff | blob | history
arch/arm/cpu/armv8/Makefile diff | blob | history
arch/arm/cpu/armv8/sha256_ce_core.S [new file with mode: 0644] blob
arch/arm/cpu/armv8/sha256_ce_glue.c [new file with mode: 0644] blob
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