Oh the memories,

Years ago I wrote a COBOL program to secure the companies dialup line.
I used the hour and minute times that the user connected to create an
algorithm that was used in creating the dialup password.  The person
logging on had to know what the time stamp was and then use the
algorithm to get the password and they had 60 seconds to do it.

-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On
Behalf Of okappert
Sent: Tuesday, February 14, 2006 7:00 AM
To: [log in to unmask]
Subject: Re: [HP3000-L] Encryption

Dennis:

One solution I have used before.

Take the decimal equivalent of each byte character and on every even
bytes subtract a certain decimal number and one every odd byte add the
same decimal number and then convert it back to a byte character.

Don't forget to keep the number of people knowing the encryption to a
minimum and do code it in a program with. documentation.

Olav.

Dennis Stoner wrote:

>Hello everyone,
>
>I'm looking for some help from the MPE veterans out there.  I'm
researching encryption libraries for the MPE platform.  Does anyone know
of a library (either commercial or open source gpl) that works on MPE?  
> 
>I'm specifically looking for an encryption algorithm like Blowfish that
will encrypt data in the same footprint as the original data.  i.e.
Start with 16 bytes unencrypted, when it's encrypted, it's still 16
bytes.
>
>Thank you,
>
>Dennis Stoner
>
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