Messages in this thread | | | Date | Wed, 20 Jun 2007 15:30:22 -0500 | From | Matt Mackall <> | Subject | Re: [PATCH] get_random_long() and AT_ENTROPY for auxv, kernel 2.6.21.5 |
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On Wed, Jun 20, 2007 at 05:34:13PM +0200, Alexander Gabert wrote: > Hi, > > http://dev.gentoo.org/~pappy/kernel/linux-2.6.21.5-get_urandom_long-AT_ENTROPY.patch > > this patch adds the function drivers/char/random.c:get_random_long() > and adds an AT_ENTROPY field in the auxv without config option > (the config option was removed as suggested by Arjan on LKML).
One ought to cc: the /dev/random maintainer.
> /* > + * get_random_long() returns a randomized unsigned long word. > + * It recycles it's entropy cache for a given time period and > + * uses half_md4_transform to generate a unique return value. > + * Every REKEY_INTERVAL the cache is reloaded with fresh > + * randomization data using get_random_bytes(). > + * This function is not intended for strong cryptographic routines. > + */
What's the point of this?
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