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Message

Re: [AVR-Chat]Programming protection

2006-08-14 by Ralph Hilton

On Mon, 14 Aug 2006 20:30:07 +0200 you wrote:

>I would like to sell a board with an Atmega128 and my customer should not be able to read and program my software updates. I myself want to program and update that chip whenever I want. 
>Any ideas?
>
>Thanks
>
>Eric

Use an encrypted bootloader. 

The update files are encrypted. The bootloader containing the decryption key is
protected by fuses and cannot be read.


--
Ralph Hilton
http://www.ralphhilton.org
C-Meter: http://www.cmeter.org
FZAOINT http://www.fzaoint.net

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