Re: Generating random values.

From: Edmund <ebacon-xlii(at)onesystem(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Generating random values.
Date: 2005-08-17 21:54:40
Message-ID: m3br3wdyan.fsf@elb_lx.onesystem.ca
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jd(at)commandprompt(dot)com ("Joshua D. Drake") writes:

> Fernando Lujan wrote:
> > Hi folks,
> > I have a table wich contains my users... I want to insert to each
> > user
> > a random password, so I need a random function. Is there such function
> > in Postgres? I just found the RANDOM which generates values between
> > 0.0 and 1.0.
> > Any help or suggestion will be appreciated. :)
>
> I would do someting like:
>
> select substring(md5(random() || random()), 5, 8);
>
> Sincerely,
>
> Joshua D. Drkae

Great! a simple, dumb program can generate all your passwords in very
quickly. My 2.4 Ghz Pentium 4 did it in under 10 minutes. A token set of
16 characters, and a fixed length of 8 charachters just isnt a very big
search space.

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