Inexpensive Side Channel Attacks Threaten Smartcard Security

By Robert Vamosi | 6/24/11 3:23 AM

Researchers at the 7th Workshop on RFID Security and Privacy 2011 (RFIDsec11) in Amherst, Massachusetts, will demonstrate this weekend a way of observing (and therefore decoding) the encrypted RFID signals from common contactless smartcards. While side channel attacks (SAS) are not new, the method they propose to observe the electronic leakage of data is considerably less expensive than previous methods and thus provides a real world threat as RFID comes into the mainstream.

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