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Newsgroups: comp.databases.informix
Subject: Encryption under I4GL


From: dberg@informix.com (David I. Berg)
Date: 6 Jan 95 21:40:08 GMT

smorrow@dotrisc.cfr.usf.edu (Steve Morrow) writes:

>We have a screen which prompts for a PIN number, and the value
>entered is referenced against a value in a table for validation.

>I am interested in encrypting this PIN number.  Since such a function
>doesn't exist (yet) in 4GL, has anybody written such a routine, or has
>anyone made use of the UNIX encrypt() call from within I4GL?

>Any sample code or pointers would be appreciated.

>Thanks!

Following is a simple encryption function based on a variation of ROT13
that I wrote for password encryption. You could probably use a variation
of this scheme to do what you want.
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Source: readme.txt, updated 2020-05-11