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crypto: arm64/aes-ce-ccm: add non-SIMD generic fallback
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Mon, 24 Jul 2017 10:28:12 +0000 (11:28 +0100)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 4 Aug 2017 01:27:21 +0000 (09:27 +0800)
commit5092fcf3490811a735ef44bd22d8b5ff1bd63926
tree3420b048e064a25771c433f460958a46d72e540dtree
parentb8fb993a836cd432309410eadf083bbe9c0e9e9ccommit | diff
crypto: arm64/aes-ce-ccm: add non-SIMD generic fallback

The arm64 kernel will shortly disallow nested kernel mode NEON.

So honour this in the ARMv8 Crypto Extensions implementation of
CCM-AES, and fall back to a scalar implementation using the generic
crypto helpers for AES, XOR and incrementing the CTR counter.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/arm64/crypto/Kconfig diff | blob | history
arch/arm64/crypto/aes-ce-ccm-glue.c diff | blob | history
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