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Subject: Re: Make a unique filesystem path, without creating the file
Date: Mon, 22 Feb 2016 14:41:01 -0500
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On Mon, Feb 22, 2016, at 14:32, Marko Rauhamaa wrote:
> urandom() is not quite random and so should not be considered
> cryptographically airtight.
> 
> Under Linux, /dev/random is the way to go when strong security is
> needed. Note that /dev/random is a scarce resource on ordinary systems.

http://www.2uo.de/myths-about-urandom/