Re: Changing email password storage format

[Camaleón <noelamac@gmail.com>]

On Wed, 05 Sep 2012 18:02:40 +0200, Sebastian wrote:

(...)

> I want to upgrade the password storage from crypt to SSHA512, which
> makes hashes harder to crack in case the hashes get stolen.
> bcrypt/scrypt would be even better, although Dovecot does not seem to
> support these natively (am I right here?).

According to this recent post I think you're right:

http://www.dovecot.org/list/dovecot/2012-July/067156.html

> Anyway:
> In order to convert the hashes, I need the cleartext passwords. So one
> idea would be to tell Dovecot to spit out the cleartext password when a
> user authenticates via POP or IMAP. Do you know of any such
> functionality?

(...)

Maybe this is worth reading:

http://wiki2.dovecot.org/HowTo/ConvertPasswordSchemes

Greetings,

-- 
Camaleón