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From: Brian Erdelyi <brian.erdelyi@gmail.com>
To: "Martin Habovštiak" <martin.habovstiak@gmail.com>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Proposal to address Bitcoin malware
Date: Sun, 1 Feb 2015 09:54:08 -0400	[thread overview]
Message-ID: <45C925F1-8872-4441-AEC8-B8AFAAE93D24@gmail.com> (raw)
In-Reply-To: <CALkkCJbiv3o-oGoKY6sQkiLSeaCUfKVKHj1wqZUjfprmf9M5BA@mail.gmail.com>


> BIP70 is quite safe agains MitB. If user copies URL belonging to other
> merchant, he would see the fact after entering it into his wallet
> application. The only problem is, attacker can buy from the same
> merchant with user's money. (sending him different URL) This can be
> mitigated by merchant setting "memo" to the description of the basket
> and some user info (e.g. address to which goods are sent).

I think BIP 70 does a good job at verifying where the payment request came from.  I’m not convinced this is the same as verifying the transaction (ideally OOB).

> But if whole computer is compromised, you're already screwed. Trezor
> should help, but I'm not sure if it supports BIP70.

The reason for OOB verification is if the entire computer is compromised.  Again, this may only be possible with a trusted intermediary or a web wallet.

Brian Erdelyi


  parent reply	other threads:[~2015-02-01 13:54 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-31 22:15 [Bitcoin-development] Proposal to address Bitcoin malware Brian Erdelyi
2015-01-31 22:38 ` Natanael
2015-01-31 23:04   ` Brian Erdelyi
2015-01-31 23:37     ` Natanael
2015-01-31 23:41       ` Natanael
2015-02-01 12:49         ` Brian Erdelyi
2015-02-01 13:31           ` Martin Habovštiak
2015-02-01 13:46             ` Mike Hearn
2015-02-01 13:54             ` Brian Erdelyi [this message]
2015-02-01 13:48           ` Mike Hearn
2015-02-01 14:28 ` mbde
2015-02-02 17:40   ` Brian Erdelyi
2015-02-02 17:54     ` Martin Habovštiak
2015-02-02 17:59       ` Mike Hearn
2015-02-02 18:02         ` Martin Habovštiak
2015-02-02 18:25           ` Mike Hearn
2015-02-02 18:35             ` Brian Erdelyi
2015-02-02 18:45               ` Eric Voskuil
2015-02-02 19:58                 ` Brian Erdelyi
2015-02-02 20:57                   ` Joel Joonatan Kaartinen
2015-02-02 21:03                     ` Brian Erdelyi
2015-02-02 21:09                       ` Pedro Worcel
2015-02-02 21:30                         ` devrandom
2015-02-02 21:49                           ` Brian Erdelyi
2015-02-02 21:42                         ` Brian Erdelyi
2015-02-02 21:02                   ` Pedro Worcel
2015-02-03  7:38                   ` Eric Voskuil
2015-02-02 18:10         ` Brian Erdelyi
2015-02-02 18:07       ` Brian Erdelyi
2015-02-02 18:05     ` Eric Voskuil
2015-02-02 18:53       ` Mike Hearn
2015-02-02 22:54         ` Eric Voskuil
2015-02-03  0:41           ` Eric Voskuil

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