Re: Concurrent access to /dev/urandom

From: Sven-Haegar Koch
Date: Mon Nov 29 2004 - 18:46:23 EST


On Mon, 29 Nov 2004, Bernard Normier 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?

A UUID generator that blocks from time to time waiting for entropy would not be usable.

Especially when used on a box without any effective entropy source - like praktically most cheap servers stashed away into some rack.

c'ya
sven

--

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