Re: [PATCH v7 0/6] SP800-90A Deterministic Random Bit Generator

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On Mon, May 26, 2014 at 07:42:57AM +0200, Stephan Mueller wrote:
>
> A second aspect is the implementation of the stdrng. Currently, the offered 
> patch does not include the stdrng selection. I am currently working on the 
> completion of the addition of the stdrng selection to the offered patch. My 
> idea is the following: currently, all DRBG types are registered with their own 
> cra_name. However, there shall be one particular DRBG registered twice. When 
> registering the instance again, the cra_name shall be "stdrng". In addition, 
> if the kernel command line contains fips=1, the cra_priority of that stdrng 
> should be set to 300. That implies that when the kernel resolves the stdrng, 
> it resolves to get_random_bytes in normal mode, but to the stdrng DRBG in FIPS 
> mode.

Just have all of them register as stdrng with differing priorities.
We already have a user-space interface to change priorities.

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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