Re: [PATCH 0/2] Add in-kernel /dev/random equivalent

From: Pavel Machek
Date: Fri Jun 06 2014 - 07:59:10 EST


On Mon 2014-05-12 00:36:01, Stephan Mueller wrote:
> Hi,
>
> as discussed in thread [1], an in-kernel equivalent to the blocking
> /dev/random device behavior is suggested. This in-kernel blocking access to
> the RNG can be used to seed deterministic random number generators with random
> numbers that are directly backed by the underlying noise sources.
>
> The following patch implements this concept by adding a third output pool, the
> kernel_pool that is only accessible inside the kernel. That kernel_pool feeds
> the blocking operation API calls to obtain random numbers.
>
> Please find a test kernel module attached. You can unload it even while the
> collection process is ongoing.
>
> [1] https://lkml.org/lkml/2014/4/27/174
>
> Stephan Mueller (2):
> Addition of kernel_pool
> Asynchronous and syncronous API for accessing kernel_pool
>
> drivers/char/random.c | 163
> +++++++++++++++++++++++++++++++++++++++++++++----
> include/linux/random.h | 16 +++++
> 2 files changed, 166 insertions(+), 13 deletions(-)

* Copyright (c) 2014
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...but module_license says this is GPL...
Pavel
--
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