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3 Commits

Author SHA1 Message Date
Ard Biesheuvel
b7171ce9eb crypto: arm64/chacha20 - implement NEON version based on SSE3 code 
This is a straight port to arm64/NEON of the x86 SSE3 implementation
of the ChaCha20 stream cipher. It uses the new skcipher walksize
attribute to process the input in strides of 4x the block size.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2017-01-13 00:26:48 +08:00
Herbert Xu
5386e5d1f8 Revert "crypto: arm64/ARM: NEON accelerated ChaCha20" 
This patch reverts the following commits:

8621caa0d45e731f2e9f5889ff5bb384fcd6e059
8096667273477e735b0072b11a6d617ccee45e5f

I should not have applied them because they had already been
obsoleted by a subsequent patch series.  They also cause a build
failure because of the subsequent commit 9ae433bc79f9.

Fixes: 9ae433bc79f ("crypto: chacha20 - convert generic and...")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2016-12-28 17:39:26 +08:00
Ard Biesheuvel
8621caa0d4 crypto: arm64/chacha20 - implement NEON version based on SSE3 code 
This is a straight port to arm64/NEON of the x86 SSE3 implementation
of the ChaCha20 stream cipher.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 2016-12-27 17:47:28 +08:00