Cellular Network Infrastructure » IMSI Pseudonymization

refactor the menu, the mi2str() implementation, and tests

Instead of a sub-menu for changing the IMSI, just offer a dialog with the
current IMSI pre-filled in an edit field.
"Show IMSI" becomes just "Change IMSI" without changing anything.

Change mi2str() so that it simply returns a byte[] of the right size....

add MobileIdentity as separate class, add test

Use fixed applet-project.mk to put Mobile Identity implementations in a
separate class MobileIdentity.java.

That allows trivially testing the MobileIdentity implementation outside of an
actual SIM card environment: add a 'test' target to the Makefile and a...