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nxp lpc2000 code read protection issue

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leonardo0

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Hi to forum

I plan to use an LPC2478 for an ambedded project .Has somebody a clear view about code read protection? .I read that it has been breached. Is it so ?. Or is it a previous fault of the ISP ?. Can somebody enlighten me since it will be a serious investement i plan to make . Can anybody suggest something secure without a flash based mcu ?.I want to use a stronger cpu but i haven't found anything with flash and code read protection .
Any information would be appreciated .
 

Hi Leo

There is a method for protecting the software contact of a microcontroller using a cryptographic memory and some encryption algorithm - a colleague of mine is working on a commercial product who allow an external protection for the software inside a microcontroller (like a USB software dongle key in PC)

The cost of the product is in the range of few EURO for each system (as far as i know)

You will need to add an SOT23-6 IC, to spare one or two I/O from you micro
and a software library(DLL) who will be called from your application.

This method is not a 100% security against software copier but another layer of security who will make there work hard to bare.

All the best

Bobi
 

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