[PATCH] arm: crypto: Add NEON optimized SHA-256

Sami Tolvanen samitolvanen at google.com
Tue Mar 17 08:21:20 PDT 2015

On Tue, Mar 17, 2015 at 04:09:40PM +0100, Andy Polyakov wrote:
> I have no problems with reusing assembly modules in kernel context.

Awesome, thank you for clarifying this.

> I'd prefer if it can be arranged in way similar to bsaes-armv7 module,
> i.e. we work together on shared copy of module that generates assembly
> that can be then compiled for OpenSSL or kernel. Is it sensible?

Sure, that sounds good to me.

> BTW, why stop at SHA256? There is SHA512 and NEON SHA1...

The kernel already has NEON SHA-1 and SHA-512, but for some reason is
lacking SHA-256. I have not tested how they compare to yours though.


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