From: Pavel Machek <pavel@ucw.cz>
To: ofono@ofono.org
Subject: Re: [PATCH] sim: Sim PIN1 cache upon modem reset/crash
Date: Thu, 13 Dec 2018 23:06:28 +0100 [thread overview]
Message-ID: <20181213220628.GA3237@amd> (raw)
In-Reply-To: <20181213220145.GA28696@amd>
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On Thu 2018-12-13 23:01:45, Pavel Machek wrote:
> Hi!
>
> > If a firmware crashes on a device with a PIN lock and the user was browsing
> > the internet at that time, it would be quite intrusive to interrupt the user
> > and prompt them for a PIN (after all, they already entered the PIN).
> > Additionally, if the PIN was stored for just this case and the firmware
> > reboots fast enough, a crash might not even be noticed by the user at all.
> > Now one can argue that the firmware shouldn't crash, and I agree, but
> > realistically the chances of that never happening are NIL.
>
> Can I have another scenario?
>
> User is waiting for important call, phone in his pocket, expecting it
> to ring. Firmware crashes, reboots... and asks for a PIN.
>
> When the important call comes, phone is not available... as it is
> waiting for PIN...
And when user realizes what happened, he disables the PIN on his SIM
card. When his phone is stolen, thief is able to do many expensive
calls on his account...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-12-13 22:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-12 6:49 [PATCH] sim: Sim PIN1 cache upon modem reset/crash Nandini Rebello
2018-12-12 7:59 ` Giacinto Cifelli
2018-12-12 10:04 ` Pavel Machek
2018-12-12 10:12 ` Giacinto Cifelli
2018-12-12 15:35 ` Denis Kenzior
2018-12-12 16:22 ` Giacinto Cifelli
2018-12-12 16:44 ` Denis Kenzior
2018-12-13 7:42 ` Giacinto Cifelli
2018-12-13 16:28 ` Denis Kenzior
2018-12-13 16:42 ` Giacinto Cifelli
2018-12-13 17:31 ` Denis Kenzior
2018-12-14 9:33 ` Giacinto Cifelli
2018-12-13 22:01 ` Pavel Machek
2018-12-13 22:06 ` Pavel Machek [this message]
2018-12-14 9:19 ` Christophe Ronco
2018-12-14 9:27 ` Giacinto Cifelli
-- strict thread matches above, loose matches on Subject: below --
2019-01-03 11:01 Nandini Rebello
2019-01-03 11:08 ` Giacinto Cifelli
2019-01-04 0:09 ` Denis Kenzior
2019-01-16 6:37 Nandini Rebello
2019-01-23 23:47 ` Denis Kenzior
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