other: Flashing displays: User-friendly solution for bootstrapping secure associations between multiple constrained wireless devices

Flashing displays

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Future healthcare systems, smart homes, power management systems and similar will all involve a large number of smart inter-connected wireless devices (such as wireless sensor and M2M nodes). One of the major challenges to securing these systems presents loading initial cryptographic credentials into a relatively large number of wireless devices. This challenge is further aggravated by the fact that many of these technologies and systems involve low cost and highly interface constrained devices - lacking usual wired interfaces, displays, keypads, and alike.

We propose a novel multichannel key deployment schemes for wireless sensor networks that only requires a presence of a light source device, such as a multitouch screen or a tablet or a smartphone device. In our solution we use one-way visible light channel (VLC) of multitouch screens (the flashing displays) to initialize sensor devices in a secure, usable and scalable way. From the user’s perspective, this boils down to merely placing down the devices on the top of the multitouch screen after which the remaining process is fully automatized.

Info

Day: 2015-09-14
Start time: 14:15
Duration: 00:15
Room: Room 1 - FOI
Track: Defense (Lecture)
Language: en

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