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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
