期刊
出版社
ASSOC COMPUTING MACHINERY
DOI: 10.1145/3212480.3226099
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-
类别
资金
- Honda Initiation Grant Europe
As of IEEE 802.1111, a wireless Network Interface Card (NIC) uses Channel State Information (CSI) to optimize the transmission over multiple antennas. CSI contain radio-metrics such as amplitude and phase. Due to scattering during hardware production these metrics exhibit unique properties. Since these information are transmitted unencrypted, they can be captured by a passive observer. We show that these information can be used to create a unique fingerprint of a wireless device, based on as little as 100 CSI packets per device collected with an off-the-shelf Wi-Fi card. For our proof of concept we captured data from seven smartphones including two identical models. We were able to identify more than 90% when using out of -the-box Random Forrest (RF).
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