Privacy-Preserving Protocols for Smart Camera Systems and Other IoT Devices
summary
Design returns full data control to users by combining end-to-end encryption with a device bootstrap over physical pairing + out-of-band visual channel and an authenticated key exchange, then managing keys with a binary key tree that derives per-frame keys and rotates them every 10-second epochs to provide forward secrecy. Sharing a single subtree key enables fine-grained delegation to guests. Protocols are implemented for smart cameras, support live and recorded features, and extend to other IoT with cable pairing or sensor-triggered OOB authentication.
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chapters (6)
- 0:00Introduction
- 0:42Smart Camera Systems
- 1:15Privacy Issues
- 2:14Objectives
- 4:43Key Management
- 9:40Conclusion
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