Hello Johannes,
On Mon, 03 Aug 2009 22:56:08 +0200, "Johannes Schmitz" <jsemail(a)gmx.de>
wrote:
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?
As far as I know for roaming the foreign network receives a RAND-Kc-SRES
Triple from the home network so there is no need to know A3/A8 used by
the other operator.
Best regards,
Dieter
--
Dieter Spaar, Germany spaar(a)mirider.augusta.de