From: Gregory Maxwell <gmaxwell@gmail•com>
To: Aaron Voisine <voisine@gmail•com>
Cc: "bitcoin-development@lists•sourceforge.net"
<bitcoin-development@lists•sourceforge.net>,
Ron OHara <ron.ohara54@gmail•com>
Subject: Re: [Bitcoin-development] Time
Date: Thu, 24 Jul 2014 19:39:41 -0700 [thread overview]
Message-ID: <CAAS2fgSncktfkq0J23O04BWhtUD7V7OHCKAyuPbg7gJTKz-rTQ@mail.gmail.com> (raw)
In-Reply-To: <CACq0ZD56NuADphK-28zxR=dAPnZOPY4C0GO=zLdOhVxBpRKwoA@mail.gmail.com>
On Thu, Jul 24, 2014 at 7:35 PM, Aaron Voisine <voisine@gmail•com> wrote:
> The upcoming release of breadwallet uses the height of the blockchain to
> enforce timed pin code lockouts for preventing an attacker from quickly
> making multiple pin guesses. This prevents them changing the devices system
> time to get around the lockout period.
Is breadwallet tamper resistant & zero on tamper hardware? otherwise
this sounds like security theater.... I attach a debugger to the
process (or modify the program) and ignore the block sourced time.
next prev parent reply other threads:[~2014-07-25 2:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-25 1:14 Ron OHara
2014-07-25 1:41 ` Jeff Garzik
2014-07-25 2:35 ` Aaron Voisine
2014-07-25 2:39 ` Gregory Maxwell [this message]
2014-07-25 3:21 ` William Yager
2014-07-25 5:56 ` Aaron Voisine
2014-07-25 10:26 ` Mike Hearn
2014-07-25 14:45 ` Aaron Voisine
2014-07-25 16:03 ` Mike Hearn
2014-07-25 16:22 ` Natanael
2014-07-25 18:14 ` Aaron Voisine
2014-07-25 10:30 ` Mike Hearn
2014-07-27 22:22 ` Peter Todd
2014-07-28 17:33 ` Troy Benjegerdes
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