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-rw-r--r--contrib/chkpass/README.chkpass6
1 files changed, 5 insertions, 1 deletions
diff --git a/contrib/chkpass/README.chkpass b/contrib/chkpass/README.chkpass
index 1dd3347c1ff..41ae3ce7be1 100644
--- a/contrib/chkpass/README.chkpass
+++ b/contrib/chkpass/README.chkpass
@@ -1,4 +1,4 @@
-$PostgreSQL: pgsql/contrib/chkpass/README.chkpass,v 1.2 2003/11/29 19:51:19 pgsql Exp $
+$PostgreSQL: pgsql/contrib/chkpass/README.chkpass,v 1.3 2005/09/23 15:05:04 tgl 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
@@ -17,6 +17,10 @@ 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.
+The encryption uses the standard Unix function crypt(), and so it suffers
+from all the usual limitations of that function; notably that only the
+first eight characters of a password are considered.
+
D'Arcy J.M. Cain
darcy@druid.net