Re: [PATCH] crypto/drbg: report backend_cra_name when allocation fails

From: Sergey Senozhatsky
Date: Wed Jun 10 2015 - 19:37:52 EST


On (06/10/15 17:09), Stephan Mueller wrote:
> Hi Sergey,
>
> >Be more verbose and also report ->backend_cra_name when
> >crypto_alloc_shash() or crypto_alloc_cipher() fail in
> >drbg_init_hash_kernel() or drbg_init_sym_kernel()
> >correspondingly.
> >
> >Example
> > DRBG: could not allocate digest TFM handle: hmac(sha256)
> >
> >Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
>
> Headscratch -- the Kconfig should have HMAC selected for compilation. When
> HMAC is available (regardless whether it is a module or not), it is pulled in
> by the kernel crypto API. Thus, there should not have been the error that HMAC
> is missing.
>
> Can you send your .config file, please?
>

Hi Stephan,

sure, will post it later (as soon as I get back to my laptop).

-ss
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