Just learned something - thanks. My experience with triggers have been written in RPG and never on an 'instead of" trigger. So the RPG app might do a write or an INSERT and not worry about encryption and the instead of trigger would take control and do the insert after encrypting the data. But I would still need to code the decrypt in the apps that needed to see the real data since a trigger would decrypt it for everything.
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of rob@xxxxxxxxx
Sent: Tuesday, March 25, 2008 3:49 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: _cipher API vs Qc3Encrypt/Qc3DecryptData vs SQL
Why wouldn't it? You just wouldn't use INSERT. You would use VALUES.
Rob Berendt
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Mike Cunningham <mcunning@xxxxxxx>
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
03/25/2008 03:47 PM
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RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
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RE: _cipher API vs Qc3Encrypt/Qc3DecryptData vs SQL
True, and that is where I might put it since I do want it to be always
encrypted but I still need to figure out if I do the trigger with _cipher
or Qc3 APIs. I don't think the SQL method would work in a trigger
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of rob@xxxxxxxxx
Sent: Tuesday, March 25, 2008 3:36 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: _cipher API vs Qc3Encrypt/Qc3DecryptData vs SQL
Is there a way to determine if a field has already been encrypted? If so,
then the encryption could be in the trigger associated with that file.
Rob Berendt
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Group Dekko Services, LLC
Dept 01.073
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
Mike Cunningham <mcunning@xxxxxxx>
Sent by: rpg400-l-bounces@xxxxxxxxxxxx
03/25/2008 03:32 PM
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_cipher API vs Qc3Encrypt/Qc3DecryptData vs SQL
I am working on my first application that needs to use Triple DES
encryption to encrypt a single field in a database. I found an example of
doing this using the _cipher mi API and the Qc3.. APIs and SQL. Is there
any difference between the three methods I found to encrypt data?
Obviously the SQL method would require me to do SQL inserts instead of
writes. Is there any difference between the two different APIs? _cipher
looks like it can do both where the Qc3 apis have one for each direction.
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