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

From	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] crypto/drbg: report backend_cra_name when allocation fails
Date	2015-06-11 01:40 +0200
Message-ID	<pzXLc-4Bf-1@gated-at.bofh.it> (permalink)
References	<pzOeS-7se-13@gated-at.bofh.it> <pzOeT-7se-31@gated-at.bofh.it> <pzPXk-1F2-37@gated-at.bofh.it>
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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@gmail.com>
> 
> 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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Re: [PATCH] crypto/drbg: report backend_cra_name when allocation  fails Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2015-06-11 01:40 +0200

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