On Thu, May 30, 2019 at 01:45:47PM +0000, Iuliana Prodan wrote:
>
> On the current structure of caamalg, to work, iv needs to be copied
> before memcpy(iv, req->iv, ivsize), from skcipher_edesc_alloc function.
> For this we need edesc, but this cannot be allocated before knowing how
> much memory we need. So, to make it work, we'll need to modify more in CAAM.
All the copying does is:
if (ivsize)
scatterwalk_map_and_copy(req->iv, req->src, req->cryptlen -
ivsize, ivsize, 0);
Why do you need to allocate the edesc before doing this?
Cheers,
--
Email: Herbert Xu <herb...@gondor.apana.org.au>
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