Re: Concurrent access to /dev/urandom

Sven-Haegar Koch
2004-11-29T23:43:54Z

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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