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Date: Thu, 26 Sep 2013 02:37:19 -0400
From: Peter Todd <pete@petertodd.org>
To: Melvin Carvalho <melvincarvalho@gmail.com>
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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>,
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Subject: Re: [Bitcoin-development] Payment Protocol: BIP 70, 71, 72
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On Wed, Sep 25, 2013 at 01:35:48PM +0200, Melvin Carvalho wrote:
> On 25 September 2013 13:15, Mike Hearn <mike@plan99.net> wrote:
>=20
> > It won't fit. But I don't see the logic. A URI contains instructions for
> > making a payment. If that instruction is "pay to this address" or "down=
load
> > this file and do what you find there", it's no different unless there's
> > potential for a MITM attack. If the request URL is HTTPS or a secured
> > Bluetooth connection then there's no such possibility.
> >
>=20
> It depends on the attacker.  I think a large entity such as a govt or big
> to medium size corporation *may* be able to MITM https, of course the
> incentive to do so is probably not there ...

=2E..until the Bitcoin payment protocol showed up and let anyone with the
ability to MITM https turn that ability into untraceable cash.

I won't be at all surprised if one of the most valuable things to come
out of the payment protocol using the SSL PKI infrastructure is to give
us a good understanding of exactly how it's broken, and to give everyone
involved good reasons to fix it.

Even if the flaws of SSL PKI were exploited as a way to harm bitcoin by
governments and other large players - and SSL PKI remained unfixed - I'd
much rather have that solid evidence that it was broken than not.

--=20
'peter'[:-1]@petertodd.org

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