----- Original Message -----
From: "Werner Soekoe" <WernerS@fsl.gov.za>
Sent: Monday, May 13, 2002 2:24 PM
Subject: Re: [PIC]: Data Encryption Using PIC16F84


> The problem with a permanent public key programmed on the PIC device, is
the
> ability to "rip" the protected code and/or eeprom memory on some PIC
> devices. Even though Microchip confirms that this is no longer possible,
I'm
> still a bit sceptical.

If you're serious about the need for data encryption, then the slightest
chance that the code and or eeprom could be extracted should make you steer
clear of /whichever microcontroller/.

There seems little point in encrypting things, if a hacker can just read
your chip and reverse engineer your code. - or am I missing something?

--
Jon Baker

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