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SubjectRe: Concurrent access to /dev/urandom
On Sat, 27 Nov 2004 15:45:49 -0500, Bernard Normier <bernard@zeroc.com> wrote:

> I use /dev/urandom to generate UUIDs by reading 16 random bytes from
> /dev/urandom (very much like e2fsprogs' libuuid).

Why not use /dev/random for such data instead?

/dev/urandom suffers from a poor level of entropy if you keep reading
from it over and over again whereas the alternative can block until it
has more randomness available.

Cheers,

Jon.
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