Details of GSM voice encryption algorithm "illegally" published http://bit.ly/5LwEIo (New York Times)
Of course, the entities most interested in tapping wireless calls have no need for such techniques, since they're already wired directly into the serving networks via CALEA and the like. Also, if memory serves, calls made via GSM 3G already are encrypted via a form of A5/3 on the air link. --Lauren-- NNSquad Moderator
