Myths about /dev/urandomThere are a few things about /dev/urandom and /dev/random that are repeated again and again. Still they are false. /dev/urandom is insecure. Always use /dev/random for cryptographic purposes. Fact: /dev/urandom is the preferred source of cryptographic randomness on UNIX-like systems. /dev/urandom is a pseudo random number generator, a PRNG, while /dev/random is a “true” random number generator. Fa
