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author | Petr Štetiar <ynezz@true.cz> | 2019-05-20 14:02:20 +0200 |
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committer | Petr Štetiar <ynezz@true.cz> | 2019-07-22 09:53:01 +0200 |
commit | 5082c1b20494e76c29fbfc5519153a6ad4fc389e (patch) | |
tree | bb385256ba772201c4a7e8205af8f30d2a18c18c /package/system/urandom-seed | |
parent | bc0c0a55643f4ca69ef1f431d9c4542705d9bfb2 (diff) | |
download | upstream-5082c1b20494e76c29fbfc5519153a6ad4fc389e.tar.gz upstream-5082c1b20494e76c29fbfc5519153a6ad4fc389e.tar.bz2 upstream-5082c1b20494e76c29fbfc5519153a6ad4fc389e.zip |
urngd: add micro non-physical true RNG based on timing jitter
μrngd is OpenWrt's micro non-physical true random number generator based
on timing jitter.
Using the Jitter RNG core, the rngd provides an entropy source that
feeds into the Linux /dev/random device if its entropy runs low. It
updates the /dev/random entropy estimator such that the newly provided
entropy unblocks /dev/random.
The seeding of /dev/random also ensures that /dev/urandom benefits from
entropy. Especially during boot time, when the entropy of Linux is low,
the Jitter RNGd provides a source of sufficient entropy.
Acked-by: Jo-Philip Wich <jow@mein.io>
Tested-by: Lucian Cristian <lucian.cristian@gmail.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
(cherry picked from commit 714bd89fceee494282984d0ed76e4a3acde419e0)
Diffstat (limited to 'package/system/urandom-seed')
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