Myths about /dev/urandom (2014)

Myths about /dev/urandom Note from 2024: This article was published on March 16th, 2014. It is still correct in its discussion of entropy and randomness, but the Linux kernel random number generator has been reworked several times since then and does not look like this anymore. Good news: the separation between /dev/urandom and /dev/random is practically gone. There are a few things about /dev/urandom and /dev/random that are repeated again and again. Still they are false. I’m mostly talking abo