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SubjectRe: [PATCH] crypto: ccree: fix iv copying for small buffers
On Thu, Jun 07, 2018 at 12:02:04PM +0300, Gilad Ben-Yossef wrote:
>
> I'd be really happy to get a review on this patch - not so much what
> it is doing but
> rather the rational behind it - how is a tfm provider supposed to
> handle copying the
> last block of ciphertext into the request structure if the ciphertext
> size is less than a
> block?

Which algorithm is this? In general we disallow requests which
are not a multiple of a block for block ciphers. Obviously this
doesn't apply to stream ciphers such as ctr(aes), but in that case
it doesn't really matter as you cannot chain such a request.

Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

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