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Attestation Checkpoint

Attestation Checkpoint. Jonathan Yang. Urban sensing. Sensor data is gathered from mobile devices (cell phones) and sent to a database. The sensor can be sound detection, image detection, motion detection, etc...

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Attestation Checkpoint

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  1. Attestation Checkpoint • Jonathan Yang

  2. Urban sensing • Sensor data is gathered from mobile devices (cell phones) and sent to a database. • The sensor can be sound detection, image detection, motion detection, etc... • We want the data to be credible to the location and time of the sensor’s reading.

  3. Attestation • Provides location credibility by attesting the location measured by the GPS sensor on the device with our own network measurement. • The device connects to the internet through an access point. We have a database with the MAC addresses of the APs along with their GPS locations. • The network checks if the GPS location measured by the device is within a certain radius from the GPS location of the AP. If it is, then we flag the sensor packet as location credible.

  4. Last Quarter Accomplishments • Installed software on network server in order to run Nagios. • Nagios is a network monitoring program that checks the status and service (Ping, DNS, NTP, SNMP, etc...) of all the nodes on the network. • Nagios was custom configured for our network use and currently monitors all nodes on the network. • Nagios is needed in order to tell us if any nodes go down in the network.

  5. quarter goals • Research a method to intercept sensor data packets on the network. This must be done while it is still possible to determine which AP the packets came from. • Once the packets are intercepted, implement a method to verify the GPS location of the device with the GPS location of the AP. • Test the correctness of the implementation.

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