On Thu, 17 Oct 2019 at 17:18, Kamil Konieczny <k.konieczny@xxxxxxxxxxx> wrote:
>
> Hi,
>
> On 14.10.2019 14:18, Ard Biesheuvel wrote:
> > Commit 7a7ffe65c8c5 ("crypto: skcipher - Add top-level skcipher interface")
> > dated 20 august 2015 introduced the new skcipher API which is supposed to
> > replace both blkcipher and ablkcipher. While all consumers of the API have
> > been converted long ago, some producers of the ablkcipher remain, forcing
> > us to keep the ablkcipher support routines alive, along with the matching
> > code to expose [a]blkciphers via the skcipher API.
> >
> > So switch this driver to the skcipher API, allowing us to finally drop the
> > blkcipher code in the near future.
> >
> > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> > Cc: Vladimir Zapolskiy <vz@xxxxxxxxx>
> > Cc: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx>
> > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx
> > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> > ---
>
> There are comments for hash functions changed, see below.
> With that fixed, you can add my
>
> Reviewed-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxx>
> Tested-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxx>
>
Thanks!
> > drivers/crypto/s5p-sss.c | 191 ++++++++++----------
> > 1 file changed, 91 insertions(+), 100 deletions(-)
> > [...]
> > diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
> > index 010f1bb20dad..e6f1d4d5186c 100644
> > --- a/drivers/crypto/s5p-sss.c
> > +++ b/drivers/crypto/s5p-sss.c
> > [...]
> > @@ -660,7 +660,7 @@ static irqreturn_t s5p_aes_interrupt(int irq, void *dev_id)
> > {
> > struct platform_device *pdev = dev_id;
> > struct s5p_aes_dev *dev = platform_get_drvdata(pdev);
> > - struct ablkcipher_request *req;
> > + struct skcipher_request *req;
> > int err_dma_tx = 0;
> > int err_dma_rx = 0;
> > int err_dma_hx = 0;
>
> These two comments below should not be touched, they are for hash part.
>
> > @@ -1208,7 +1208,7 @@ static int s5p_hash_prepare_sgs(struct s5p_hash_reqctx *ctx,
> > *
> > * Note 1: we can have update flag _and_ final flag at the same time.
> > * Note 2: we enter here when digcnt > BUFLEN (=HASH_BLOCK_SIZE) or
> > - * either req->nbytes or ctx->bufcnt + req->nbytes is > BUFLEN or
> > + * either req->cryptlen or ctx->bufcnt + req->cryptlen is > BUFLEN or
> > * we have final op
> > */
> > static int s5p_hash_prepare_request(struct ahash_request *req, bool update)
> > @@ -1555,7 +1555,7 @@ static int s5p_hash_final_shash(struct ahash_request *req)
> > * s5p_hash_final() - close up hash and calculate digest
> > * @req: AHASH request
> > *
> > - * Note: in final req->src do not have any data, and req->nbytes can be
> > + * Note: in final req->src do not have any data, and req->cryptlen can be
> > * non-zero.
> > *
> > * If there were no input data processed yet and the buffered hash data is
> > [...]
>
> --
> Best regards,
> Kamil Konieczny
> Samsung R&D Institute Poland
>
