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Date:	Mon, 22 Dec 2014 23:04:43 +1100
From:	Herbert Xu <>
To:	Stephan Mueller <>
Cc:	'LKML' <>,
Subject: Re: [RESEND][PATCH] crypto: drbg - panic on continuous self test

On Fri, Dec 05, 2014 at 10:40:21PM +0100, Stephan Mueller wrote:
> This patch adds a panic if the FIPS 140-2 self test error failed.
> Note, that entire code is only executed with fips_enabled (i.e. when the
> kernel is booted with fips=1. It is therefore not executed for 99.9% of
> all user base.
> As mathematically such failure cannot occur, this panic should never be
> triggered. But to comply with NISTs current requirements, an endless
> loop must be replaced with the panic.
> When the new version of FIPS 140 will be released, this entire
> continuous self test function will be ripped out as it will not be
> needed any more.
> This patch is functionally equivalent as implemented in ansi_cprng.c and drivers/char/random.c.
> Signed-off-by: Stephan Mueller <>

Patch applied.
Email: Herbert Xu <>
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