postgres

History

Tom Lane 2f606ed87d Remove another useless, counterproductive srandom() call.		2003-09-07 15:27:25 +00:00
..
Makefile	Might need to link with -lcrypt.	2002-10-21 18:55:10 +00:00
README.chkpass	Initial checkin of a contributed type that handles passwords efficiently.	2001-05-03 12:32:13 +00:00
chkpass.c	Remove another useless, counterproductive srandom() call.	2003-09-07 15:27:25 +00:00
chkpass.sql.in	Backend support for autocommit removed, per recent discussions. The	2003-05-14 03:26:03 +00:00

README.chkpass

$Header: /cvsroot/pgsql/contrib/chkpass/Attic/README.chkpass,v 1.1 2001/05/03 12:32:13 darcy Exp $

Chkpass is a password type that is automatically checked and converted upon
entry.  It is stored encrypted.  To compare, simply compare agains a clear
text password and the comparison function will encrypt it before comparing.
It also returns an error if the code determines that the password is easily
crackable.  This is currently a stub that does nothing.

I haven't worried about making this type indexable.  I doubt that anyone
would ever need to sort a file in order of encrypted password.

If you precede the string with a colon, the encryption and checking are
skipped so that you can enter existing passwords into the field.

On output, a colon is prepended.  This makes it possible to dump and reload
passwords without re-encrypting them.  If you want the password (encrypted)
without the colon then use the raw() function.  This allows you to use the
type with things like Apache's Auth_PostgreSQL module.

D'Arcy J.M. Cain
darcy@druid.net