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
*
* Permission is hereby granted, free of charge, to any person
*obtaining a copy
* of this software and associated documentation files (the
*"Software"), to deal
* in the Software without restriction, including without limitation
*the rights
* to use, copy, modify, merge, publish, distribute, sublicense,
*and/or sell
* copies of the Software, and to permit persons to whom the Software
*is
* furnished to do so, subject to the following conditions:
...but module_license says this is GPL...
Pavel
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