Re: How to store a password encripted in a userdefinedtable

From: "Ezequias Rodrigues da Rocha" <ezequias(dot)rocha(at)gmail(dot)com>
To: "Bart Degryse" <Bart(dot)Degryse(at)indicator(dot)be>
Cc: PostgreSQL <pgsql-sql(at)postgresql(dot)org>
Subject: Re: How to store a password encripted in a userdefinedtable
Date: 2007-03-01 16:53:21
Message-ID: 55c095e90703010853n2e34a260pd7fb8e9430d789a@mail.gmail.com
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I am just passing the database owner password (postgresql
autentication) to the statement:

Select md5('the password I have in my mind') and compare with the
password pgAdmin3 shows me.

They are completely different.

Ezequias

2007/3/1, Bart Degryse <Bart(dot)Degryse(at)indicator(dot)be>:
>
>
> It doesn't do that for me. I've tried it on three different databases (of
> two different versions) as three different users and the result is always
> the same (as it should be):
>
> select USER, md5('password')
>
> current_user md5
> bigdbuser 5f4dcc3b5aa765d61d8327deb882cf99
>
> current_user md5
> bigdbsys 5f4dcc3b5aa765d61d8327deb882cf99
>
>
> current_user md5
> logstocksys 5f4dcc3b5aa765d61d8327deb882cf99
>
> Show us some statements.
>
>
> >>> "Ezequias Rodrigues da Rocha" <ezequias(dot)rocha(at)gmail(dot)com> 2007-03-01
> 16:02 >>>
>
> Just another thing.
>
> Why md5 function return a different string from user role of postgresql ?
>
> It allways put an md5 string concated with another sequence of string.
>
> Why does it occurs ?
> Ezequias
>
> 2007/3/1, Ezequias Rodrigues da Rocha <ezequias(dot)rocha(at)gmail(dot)com>:
> > I know it. Thank you so much.
> >
> > Ezequias
> > Grettings from Brazil.
> >
> > 2007/3/1, Bart Degryse <Bart(dot)Degryse(at)indicator(dot)be>:
> > >
> > >
> > > update yourtable set passwordfield = md5(passwordfield)
> > >
> > > watch out: md5 is irreversable! you can't "un_md5"
> > >
> > >
> > > >>> "Ezequias Rodrigues da Rocha" <ezequias(dot)rocha(at)gmail(dot)com> 2007-03-01
> > > 15:08 >>>
> > >
> > > John,
> > >
> > > That was what I was looking for for a long time.
> > >
> > > Now I will change my teller password account to md5.
> > >
> > > Could someone suggest me how to change all passwords (PLAIN) to md5 ?
> > >
> > > My real best regards
> > > Ezequias
> > >
> > > 2007/3/1, John DeSoi <desoi(at)pgedit(dot)com>:
> > > > MD5 is built-in to PostgreSQL. It is what PostgreSQL itself uses to
> > > > hash passwords. For example:
> > > >
> > > > select md5('this is my password');
> > > >
> > > > md5
> > > > ----------------------------------
> > > > 210d53992dff432ec1b1a9698af9da16
> > > > (1 row)
> > > >
> > > >
> > > >
> > > > On Mar 1, 2007, at 6:06 AM, Eugenio Flores wrote:
> > > >
> > > > > Thanks Andrej. But how can I use such algoritms in postgresql? arey
> > > > > they defined in a function that I can call?
> > > > >
> > > > > Or, do I have to code one of those algorithm to use it in my
> > > > > application?
> > > >
> > > >
> > > >
> > > > John DeSoi, Ph.D.
> > > > http://pgedit.com/
> > > > Power Tools for PostgreSQL
> > > >
> > > >
> > > > ---------------------------(end of
> > > broadcast)---------------------------
> > > > TIP 9: In versions below 8.0, the planner will ignore your desire to
> > > > choose an index scan if your joining column's datatypes do not
> > > > match
> > > >
> >
>
>
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Atenciosamente
> (Sincerely)
> Ezequias Rodrigues da Rocha
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> A pior das democracias ainda é melhor do que a melhor das ditaduras
> The worst of democracies is still better than the better of dictatorships
> http://ezequiasrocha.blogspot.com/
>

--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/

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