This patch converts authenc to the new ahash interface.
Signed-off-by: Steffen Klassert
---
crypto/authenc.c | 215 +
1 files changed, 150 insertions(+), 65 deletions(-)
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 2e16ce0..bd456e3
From: Steffen Klassert
Date: Thu, 16 Jul 2009 13:17:47 +0200
> + /*
> + * head must be a scatterlist with two entries.
> + * We remove a potentially set termination bit
> + * on the first enty.
> + */
> + head->page_link &= ~0x02;
> +
> if (chain) {
>
On Fri, Jul 17, 2009 at 10:03:34AM -0700, David Miller wrote:
> From: Steffen Klassert
> Date: Thu, 16 Jul 2009 13:17:47 +0200
>
> > + /*
> > +* head must be a scatterlist with two entries.
> > +* We remove a potentially set termination bit
> > +* on the first enty.
> > +*/
> >
On Mon, Jul 20, 2009 at 08:26:43AM +0200, Steffen Klassert wrote:
>
> We have sg_mark_end() which sets the termination bit on a sg list entry,
> but we don't have an interface to remove the termination bit from a sg
> list entry.
For the case at hand, as we've agreed to only do the chaining
if th
On Mon, Jul 20, 2009 at 02:55:14PM +0800, Herbert Xu wrote:
>
> For the case at hand, as we've agreed to only do the chaining
> if there is only a single entry in the list, we don't need this
> at all. All you need to do is copy the page pointer, offset and
> length without copying the raw scatte
On Mon, Jul 20, 2009 at 09:57:01AM +0200, Steffen Klassert wrote:
>
> Agreed for this case. What about the existing code, should we create an
> interface for it?
Can you point me to the existing code?
Thanks,
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On Mon, Jul 20, 2009 at 04:21:16PM +0800, Herbert Xu wrote:
>
> Can you point me to the existing code?
>
For the crypto-layer it's just scatterwalk_sg_chain() that removes the
termination bit.
For the block-layer it's blk_rq_map_integrity_sg() and two times in
blk_rq_map_sg().
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On Mon, Jul 20, 2009 at 10:36:40AM +0200, Steffen Klassert wrote:
>
> For the crypto-layer it's just scatterwalk_sg_chain() that removes the
> termination bit.
The history behind this is that the crypto layer has used chaining
way before generic chaining was invented. When the generic code
was
