LWN.net Logo

Random numbers for embedded devices

Random numbers for embedded devices

Posted Jul 20, 2012 0:53 UTC (Fri) by pr1268 (subscriber, #24648)
In reply to: Random numbers for embedded devices by cpeterso
Parent article: Random numbers for embedded devices

That might make get_random_bytes() very expensive (relatively speaking). My suggestion is that the mixing operations happen only when the entropy pool gets below a low-water mark (but then again perhaps this might make the RNG a little more vulnerable; I'm not totally sure about this).


(Log in to post comments)

Copyright © 2013, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds