Re: [PATCH v28 07/12] LRNG - add kernel crypto API PRNG extension

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Am Donnerstag, 16. Januar 2020, 01:15:46 CET schrieb Randy Dunlap:

Hi Randy,

> On 1/15/20 2:34 AM, Stephan Müller wrote:
> > CC: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
> > CC: "Alexander E. Patrakov" <patrakov@xxxxxxxxx>
> > CC: "Ahmed S. Darwish" <darwish.07@xxxxxxxxx>
> > CC: "Theodore Y. Ts'o" <tytso@xxxxxxx>
> > CC: Willy Tarreau <w@xxxxxx>
> > CC: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
> > CC: Vito Caputo <vcaputo@xxxxxxxxxxx>
> > CC: Andreas Dilger <adilger.kernel@xxxxxxxxx>
> > CC: Jan Kara <jack@xxxxxxx>
> > CC: Ray Strode <rstrode@xxxxxxxxxx>
> > CC: William Jon McCann <mccann@xxxxxxx>
> > CC: zhangjs <zachary@xxxxxxxxxxxxxxxx>
> > CC: Andy Lutomirski <luto@xxxxxxxxxx>
> > CC: Florian Weimer <fweimer@xxxxxxxxxx>
> > CC: Lennart Poettering <mzxreary@xxxxxxxxxxx>
> > CC: Nicolai Stange <nstange@xxxxxxx>
> > Reviewed-by: Marcelo Henrique Cerri <marcelo.cerri@xxxxxxxxxxxxx>
> > Reviewed-by: Roman Drahtmueller <draht@xxxxxxxxxxxxxx>
> > Tested-by: Roman Drahtmüller <draht@xxxxxxxxxxxxxx>
> > Tested-by: Marcelo Henrique Cerri <marcelo.cerri@xxxxxxxxxxxxx>
> > Tested-by: Neil Horman <nhorman@xxxxxxxxxx>
> > Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx>
> > ---
> > 
> >  drivers/char/lrng/Kconfig      |  10 +
> >  drivers/char/lrng/Makefile     |   1 +
> >  drivers/char/lrng/lrng_kcapi.c | 327 +++++++++++++++++++++++++++++++++
> >  3 files changed, 338 insertions(+)
> >  create mode 100644 drivers/char/lrng/lrng_kcapi.c
> > 
> > diff --git a/drivers/char/lrng/Kconfig b/drivers/char/lrng/Kconfig
> > index 15fb623d9d1f..0d070a3897dd 100644
> > --- a/drivers/char/lrng/Kconfig
> > +++ b/drivers/char/lrng/Kconfig
> > @@ -80,6 +80,16 @@ config LRNG_DRBG
> > 
> >  	  Enable the SP800-90A DRBG support for the LRNG. Once the
> >  	  module is loaded, output from /dev/random, /dev/urandom,
> >  	  getrandom(2), or get_random_bytes is provided by a DRBG.
> > 
> > +
> > +config LRNG_KCAPI
> > +	tristate "Kernel Crypto API support for the LRNG"
> > +	select CRYPTO_RNG
> 
> Don't select CRYPTO_RNG unless you know that CRYPTO is set/enabled.

I added "depends on CRYPTO"
> 
> > +	help
> > +	  Enable the support for generic pseudo-random number
> > +	  generators offered by the kernel crypto API with the
> > +	  LRNG. Once the module is loaded, output from /dev/random,
> > +	  /dev/urandom, getrandom(2), or get_random_bytes is
> > +	  provided by the selected kernel crypto API RNG.
> > 
> >  endif # LRNG_DRNG_SWITCH
> >  
> >  endif # LRNG

Thank you.

Ciao
Stephan






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