On Thu, Dec 10, 2020 at 01:03:56PM +0100, Ard Biesheuvel wrote:
>
> But we should probably start policing this a bit more. For instance, we now have
>
> drivers/net/macsec.c:
>
> /* Pick a sync gcm(aes) cipher to ensure order is preserved. */
> tfm = crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC);
>
> (btw the comment is bogus, right?)
>
> TLS_SW does the same thing in net/tls/tls_device_fallback.c.
Short of us volunteering to write code for every user out there
I don't see a way out.
> Async is obviously needed for h/w accelerators, but could we perhaps
> do better for s/w SIMD algorithms? Those are by far the most widely
> used ones.
If you can come up with a way that avoids the cryptd model without
using a fallback obviously that would be the ultimate solution.
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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