Comment on Passwords are obsoleteparentComments−yuvadam12ySMS is encrypted on GSM control channels using the broken A5/1 stream cipher which has well-known weaknesses.−anaphor12yand the base station can _disable_ encryption completely without any warning given to the cellphone user.
Comments
SMS is encrypted on GSM control channels using the broken A5/1 stream cipher which has well-known weaknesses.
and the base station can _disable_ encryption completely without any warning given to the cellphone user.