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Marek Sebera marek.sebera at gmail.comHi Harald, thank you, I'll be happy to provide patches, as soon as I learn how to communicate with card. Is there anything to start with? Supplier just told us they obtained the SIM cards from "http://www.copysim.cn" and there is no reference to recommended software for programming these cards. I did obtain some informations using various utilities, but all I can now do is to study "ETSI TS 102 221" and implement the card-commands-discovery or bruteforce myself. Or am I wrong, and I've missed some utilities that could aid my fight? I've wrote some shell using both pySim and mitshell/card frameworks, and I've confirmed few things (ie. available commands, and CLA being 0x00, which means these cards are USIM), but passwords for ADM1 PIN (12345678, 44444444, 00000000) do not work. Also card partially responds to CLA 0x80, which probably indicates the availability of proprietary PDUs, as mentioned in grcardsim wiki. Is there any better tool, or am I using best available ones? Also mentioning the "bad echo value", is this related to implementation of specific sim-card, the usb reader/writer (possibly faulty) or the sim card? Because something as simple as ping/pong (or at least this is what it seems like from code) should not fail generally, and it occurs only when I provide "pin_adm" (adm1) and using grcardsim and sysmoUSIM-SJS1 (prefered). Thank you Marek On 01/29/2018 11:15 PM, Harald Welte wrote: > Hi Marek, > > On Mon, Jan 29, 2018 at 05:39:24PM +0100, Marek Sebera wrote: >> ATR: 3B 9F 95 80 1F C3 80 31 E0 73 FE 21 13 57 86 81 02 86 98 44 18 A8 >> GREEN CARD, Grcard (Hong Kong ) Co.,Limited, LTE Usim Card >> (Telecommunication) >> Celcom Postpaid 3G (Telecommunication) > > The supplier of the cards you mention hasever contributed > in any way to pySim. We simply did some protocol tracing of an early > GRSIM card (2G, not USIM or LTE) and implemented code for it based on reverse > engineering, just like for the early MagicSIM. If you have a different > card, it will for sure not work. > > If you would like to implement support for the card models you are using, > please feel free to contribute patches, we're happy to add support for > more cards. > > The only SIM card supplier that ever contributed development of pySim code > was sysmocom, and most recently, also fairwaves. > > So I guess you have the choice of either contributing code for the cards > you work with, or use cards where the suppliers actually care about pySim > support. > > Kind regards, > Harald > > > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 851 bytes Desc: OpenPGP digital signature URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20180131/cb14a171/attachment.bin>