Re: [PATCH v24 11/12] LRNG - add SP800-90B compliant health tests

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Am Dienstag, 12. November 2019, 20:58:32 CET schrieb Alexander E. Patrakov:

Hi Alexander,
 
> > +config LRNG_HEALTH_TESTS
> > +	bool "Enable noise source online health tests"
> > +	help
> > +	  The online health tests validate the noise source at
> > +	  runtime for fatal errors. These tests include SP800-90B
> > +	  compliant tests which are invoked if the system is booted
> > +	  with fips=1. In case of fatal errors during active
> > +	  SP800-90B tests, the issue is logged and the noise
> > +	  data is discarded. These tests are required for full
> > +	  compliance with SP800-90B.
> 
> How have you tested that these tests work at runtime? Maybe add some
> code under a new CONFIG item that depends on CONFIG_BROKEN that
> deliberately botches the RNG and triggers failures?


I am unable to find sensible information about CONFIG_BROKEN in the recent 
kernel tree. 

Do you happen to have a pointer on how that option is to be used?

Thanks a lot

Ciao
Stephan





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