update yourtable set passwordfield = md5(passwordfield)
 
watch out: md5 is irreversable! you can't "un_md5"


>>> "Ezequias Rodrigues da Rocha" <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]>:
> 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/ 

---------------------------(end of
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