olemus
füüsilistest allikatest
(hiire liikumine, klahvivajutused vms)
kogutava juhuslikkuse hoidla,
näiteks krüptograafia vajadusteks
=
the store of this randomness which gets built up by entropy harvesting and drained by the generation of random numbers

ülevaateid
https://stackoverflow.com/questions/19981189/how-does-the-kernel-entropy-pool-work

https://hackaday.com/2017/11/02/what-is-entropy-and-how-do-i-get-more-of-it/

https://crypto.stackexchange.com/questions/12652/random-number-generation-with-a-entropy-pool-versus-seed

https://blog.cloudflare.com/ensuring-randomness-with-linuxs-random-number-generator/

https://www.blackhat.com/docs/us-15/materials/us-15-Potter-Understanding-And-Managing-Entropy-Usage.pdf

https://www.cryptolux.org/images/7/7f/RNG_Survey.pdf

https://lwn.net/Articles/586427/