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Kathryn Heckman exuberant.kathryn.heckman at gmail.comI really appreciate your quick replies. I have a USIM that I wanted to program. However, I am getting the runtime error for exceeding the number of attempts to enter the ADM1 key. Is there any fix for it? -- Kathryn On Wed, Sep 27, 2017 at 6:52 PM, Harald Welte <laforge at gnumonks.org> wrote: > Hi Kathryn, > > On Wed, Sep 27, 2017 at 05:37:36PM -0400, Kathryn Heckman wrote: > > Is there any way to retrieve the value of OP from OPc and Ki? > > No, that defeats the entire purpose of having card-individual OPc > values. > > If you could just revert that operation, there would be no [security] > advantage of card-individual OPc values over a global OP value, and > hence that entire option could be dropped from the specifications > altogether. > > Regards, > Harald > -- > - Harald Welte <laforge at gnumonks.org> > http://laforge.gnumonks.org/ > ============================================================ > ================ > "Privacy in residential applications is a desirable marketing option." > (ETSI EN 300 175-7 Ch. > A6) > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20170927/620a2963/attachment.htm>