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<DocScrutinizer51> ~ping
<infobot> ~pong
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<DocScrutinizer51> wpwrak: your irc client dropped a few channels
<wpwrak> hmm, i think i dropped one or two idle ones, but that's about all
<wpwrak> could be that there were issues after the hexchat migration, too
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<Joerg-Neo900> seems so
<Joerg-Neo900> geminides <3
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<Pali> DocScrutinizer51: do you know if n900 supports A5/3 GSM encryption? and if neo900 modem will support it?
<Pali> I'm asking in context of https://talk.maemo.org/showthread.php?t=39248 -- if on n900 (and also on neo900) it is possible to implement cipher identifier
<Pali> like old Nokia phones has (it shown open lock in status area when A5/0 or A5/2 was in use)
<wpwrak> Pali: had a quick search through the documents we have and they say nothing about "A5", "KASUMI", "privacy", "crypto", "cipher", or (other than about SIM and such) "security". surprising
<wpwrak> maybe dos1 knows more. he seems to have looked into this some time ago
<wpwrak> dos1: do you ? :)
<Pali> I found that in ISI it is probably named ciphering indicator
<Pali> from /usr/include/ISI/icpr82/pn_modem_network_isi.h it looks like ISI does not export chosen GSM encryption, but just ciphering indicator ON/OFF
<Pali> and I think OFF mean A5/0 or A5/2 and ON others
<Pali> I was told that some Nokia phones had firmware bug and show "unencrypted" icon also when A5/3 was used :D looks like their firmware just checked bool encryption = is_used(A5/1)
<wpwrak> no hit for "cipher". i poked around a bit on wikipedia for alternate terminology, but none of the terms match
<wpwrak> nice ;-)
<Pali> can you look at AT commands from this PDF? https://talk.maemo.org/showthread.php?p=1519985#post1519985
<Pali> on SIM card can be stored bit if phone should show that ciphering icon or not
<Pali> and via AT commands can be that bit switched
<Pali> so maybe something aroud it could specify how to detect encryption status...
<wpwrak> no CRSM
<wpwrak> (in the AT 2012 document. lemme see if i have a newer version ...)
<wpwrak> ah yes, 2013 has CRSM :)
<wpwrak> okay .. CRSM is general-purpose access (kinda like unix read(2)/write(2)). but at least it's there.
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<wpwrak> mmh. that PDF explains how to access the settings in the SIM (CRSM) but doesn't mention how they relate to the phone's capabilities. also, no mention from what that indicator is generated.
<wpwrak> similar module. document from 2014. now it has "ciphcall", for the indicator. i guess chances are that the phs8 is the same, we just don't have up to date documentation
<Pali> that ciphcall looks like for what I asked :-)
<Pali> wpwrak: that ciphcall status is "event" from modem, or it is needed to do some busy polling to have actual state?
<wpwrak> event, apparently
<Pali> so if we can wait for that event and parse it we could show some status indicator
<Pali> there is also written about that administrative data field on SIM card
<Pali> it could be nice to allow user to disable sending SMSs or do GSM calls when ciphcall=0
<Pali> http://link.springer.com/chapter/10.1007/978-3-319-23829-6_18 see Table 2. Baseband behavior on MAC failure
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<ceene> someone knows about these guys? https://www.freecalypso.org/
<ceene> i'm finding the history of free gsm quite interesting
<bencoh> I'd suggest you have a look at osmocom then :)
<bencoh> (I suppose you already had, though)
<ceene> yes, but i'm liking more the more obscure parts :)
<ceene> i'm loving all those source code leaks :D
<bencoh> huhu
<bencoh> you know the source leak part is usually the most problematic part in that kind of projects, right? ;)
<ceene> lots of info but no legally usable code, i guess
<bencoh> exactly
<ceene> on the other hand, i'm hating all the gsm framework with hundreds of elements with confusing acronyms, i don't understand a thing :/
<ceene> and theoretically i had an asignature in college about it, but... i still don't know how i passed it
<bencoh> huhu
<bencoh> those usually dont really assess much anyway
<bencoh> apart from the general idea / infrastructure
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<ceene> the freecalypso project is mostly alive, it seems
<ceene> lacking funds, though :/
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<wpwrak> Joerg-Neo900: oh, stupid question: you don't plan to have the BB-xM for v2 reworked to 1 GB RAM, do you ?
<Joerg-Neo900> not really
<wpwrak> (BB-xM already has 0.5 GB, so that's twice n900)
<wpwrak> perfect
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<atk> Will we get videos of some tests of the v2 proto?
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* atk is excited
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<Joerg-Neo900> CRSM os clearly access to *SIM* (which is a tiny MCU in itself) and thus not realy modem related. And AIUI all GSM/dellular encryption/cyphering is completely handled inside SIM
<Joerg-Neo900> CRSM also is age old and I recall we implemented it for Swiss provider in MOKO10 or 11
<Joerg-Neo900> actually we just enabled it, it was already implemented but blocked "for security concerns"
<Joerg-Neo900> wi9t, no. that was the UNrestricted variant of that function, the restricted variant is mandatory IIRC
<Joerg-Neo900> wait*
<Joerg-Neo900> AT+CSIM was what I enabled
<Joerg-Neo900> not AT+CRSM
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<Joerg-Neo900> === Moko9-Beta2 ===
<Joerg-Neo900> * Adds "AT+CSIM" (for swisscom)
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