UMA a possibility in the future?

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Johannes Schmitz jsemail at gmx.de
Mon Aug 3 20:56:08 UTC 2009


Am Montag, den 03.08.2009, 12:59 +0200 schrieb Harald Welte:
> A3/A8 is either proprietary by the operator, or comp128v2 or v3 (both are
> officially closed, but it's safe to assume them to be known).
> 
> As Dieter has indicated in earlier mails, you can get SIM's that have comp128v1
> or XOR as A3/A8 and which allow you to set the Ki of the SIM.  With those
> SIM's, or an emulated SIM you can test any implementation of encryption for
> OpenBSC, once it has been done.

At this point I have got one general question, maybe also towards
Dieter:
How can A3/A8 be proprietary by any operator? How does international
roaming work then if there is no standardized algorithm?

Johannes





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