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Lpc2000

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Message

Re: Code protection again....

2004-12-21 by ggindele

How good is that if the product was ripped off let's say in China? Any
litigation seems to extremely difficult.

--- In lpc2000@yahoogroups.com, onestone <onestone@b...> wrote:
> Ultimately it is impossible to totally protect code. Perhaps the best 
> you can prove is that somebody actually ripped you off. I routinely 
> embed a copyright notice that is encrypted. The notice is functional, 
> working code that cannot be removed easily. Does not appear as any kind 
> of sensible ASCII, yet is revealed by a simple key. I also repeat the 
> same messages in plain text. Which may help to reveal 'holes' in the 
> memory map.
> 
> Al
> 
> ggindele wrote:
> 
> > 
> > I think we reached the consensus (with a little Philips help) that
> > code protection is available only in the 64 pin package, when the boot
> > loader >= 1.63
> > 
> > I wonder would that be a commercially reasonable protection when 2106
> > is used with an external electronic serial number. The flash can be
> > customized to accept only the right serial number, but there's no code
> > protection against JTAG attack.
> > 
> > What do you think? How long would it hold?
> > 
> > 
> > 
> > 
> > 
> > 
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