Removing the Linux /dev/random blocking pool
Removing the Linux /dev/random blocking pool
Posted Jan 7, 2020 20:41 UTC (Tue) by nivedita76 (subscriber, #121790)In reply to: Removing the Linux /dev/random blocking pool by Cyberax
Parent article: Removing the Linux /dev/random blocking pool
That is the point of how state extension attacks work. You may have added 32 bits of entropy, but if you added them 1 bit at a time while the attacker was reading the output of your RNG, you've lost.
https://lwn.net/ml/linux-kernel/20190919143427.GQ6762@mit...