On Fri, Apr 26, 2013 at 02:17:49PM -0500, Derek Martin wrote: > Using /dev/urandom on systems that have it isn't without its own > problems... if your system doesn't have enough entropy, reading from > /dev/urandom will block until it does.
On systems with a Linux kernel, /dev/urandom does not block but produces lower entropy pseudorandom numbers instead. The /dev/random device does block, and is used when full entropy is essential. imc
