On Fri, Jun 12, 2015 at 09:15:56AM +0200, Boris Brezillon wrote:
>
> +static int mv_cesa_cbc_aes_op(struct ablkcipher_request *req,
> + struct mv_cesa_op_ctx *tmpl)
> +{
> + mv_cesa_update_op_cfg(tmpl, CESA_SA_DESC_CFG_CRYPTCM_CBC,
> + CESA_SA_DESC_CFG_CRYPTCM_MSK);
> + memcpy(tmpl->ctx.blkcipher.iv, req->info, 16);
You need to copy the IV back into req->info after completion.
Incidentally we don't seem to test for output IVs in our self-
test so bugs like this can slip through until someone tries to
do chaining with it. That's something worth adding to testmgr.
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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