SMS is encrypted on GSM control channels using the broken A5/1 stream cipher whi... | Hacker News

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		yuvadam on April 13, 2014 \| parent \| context \| favorite \| on: Passwords are obsolete SMS is encrypted on GSM control channels using the broken A5/1 stream cipher which has well-known weaknesses.

anaphor on April 13, 2014 [–]

and the base station can _disable_ encryption completely without any warning given to the cellphone user.

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