Look up CodeGuard feature of 16-bit PICs:
http://techtrain.microchip.com/webseminars/documents/CodeGuard_100906.pdf

The tech stuff is in document DS70180 but I couldn't find the link to it 
right off the bat.

Danny

Vitaliy wrote:
> How secure are the "out of the box" bootloaders available from Microchip? In 
> particular, I'm interested in a secure bootloader for the 16-bit PICs.
>
> Obviously, I would want to protect both the bootloader and the application 
> code. So I'm guessing it comes down to two things:
>
>     1. Protecting the bootloader code on the PIC
>     2. Using strong encryption for the app code
>
> I'm assuming I don't have much control over #1, the protection is only as 
> strong as Microchip makes it. But what about #2? Which encryption scheme 
> would be reasonably sufficient to protect the code?
>
> Vitaliy 
>
>   

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