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Subject: Re: [Bitcoin-development] Time
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On Thu, Jul 24, 2014 at 10:39 PM, Gregory Maxwell <gmaxwell@gmail.com>
wrote:

>
> 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.
>
>
It's an iOS application. I would imagine it is substantially more difficult
to attach to a process (which, at the very least, requires root, and
perhaps other things on iOS) than to convince the device to change its
system time.

That said, the security benefits might not be too substantial.

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<div dir=3D"ltr">On Thu, Jul 24, 2014 at 10:39 PM, Gregory Maxwell <span di=
r=3D"ltr">&lt;<a href=3D"mailto:gmaxwell@gmail.com" target=3D"_blank">gmaxw=
ell@gmail.com</a>&gt;</span> wrote:<br><div class=3D"gmail_extra"><div clas=
s=3D"gmail_quote">
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p=
adding-left:1ex"><div class=3D""><br>
</div>Is breadwallet tamper resistant &amp; zero on tamper hardware? otherw=
ise<br>
this sounds like security theater.... I attach a debugger to the<br>
process (or modify the program) and ignore the block sourced time.<br>
<div class=3D""><div class=3D"h5"><br>
</div></div></blockquote></div><br></div><div class=3D"gmail_extra"><div st=
yle=3D"font-family:arial,sans-serif;font-size:13px">It&#39;s an iOS applica=
tion. I would imagine it is substantially more difficult to attach to a pro=
cess (which, at the very least, requires root, and perhaps other things on =
iOS) than to convince the device to change its system time.</div>
<div style=3D"font-family:arial,sans-serif;font-size:13px"><br></div><div s=
tyle=3D"font-family:arial,sans-serif;font-size:13px">That said, the securit=
y benefits might not be too substantial.</div></div></div>

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