Comment on Passwords are obsoleteComments−ybaumes12yIs sms channel really secure? Isn't it a plain text channel, as opposed to an unencrypted channel?−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.
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Is sms channel really secure? Isn't it a plain text channel, as opposed to an unencrypted channel?
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.