DBMS_CRYPTO is server-side only (encrypting data at rest). If you're looking to encrypt SQL*Net traffic, you're going to need Advanced Security, which IIRC costs 1/4 a license (and EE). Thanks, T. J. -----Original Message----- From: Zelli, Brian [mailto:Brian.Zelli@xxxxxxxxxxxxxxx] Sent: Tuesday, March 19, 2013 10:39 AM To: TJ Kiernan; gints.plivna@xxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: RE: encryption So if you encrypt, do you need de-cryption on the client side? ciao, Brian -----Original Message----- From: TJ Kiernan [mailto:tkiernan@xxxxxxxxxxx] Sent: Tuesday, March 19, 2013 11:09 AM To: gints.plivna@xxxxxxxxx; Zelli, Brian Cc: oracle-l@xxxxxxxxxxxxx; TJ Kiernan Subject: RE: encryption DBMS_CRYPTO is free (included in your basic license), even in SE. As is almost always the case, Tim Hall has a great primer on the subject: http://www.oracle-base.com/articles/10g/database-security-enhancements-10g.php#dbms_crypto HTH, T. J. -- //www.freelists.org/webpage/oracle-l