Scatter-Secure Code Authentication for Efficient Reprogramming in Wireless Sensor Networks
Currently proposed solutions to secure code dissemination in Wireless Sensor Networks (WSNs) involve the use of expensive public-key digital signatures. In this paper, the authors present Scatter, a secure code dissemination protocol that enables sensor nodes to authenticate the program image efficiently. To achieve this, they use a scheme that offers source authentication in the group setting like a public-key signature scheme, but with signature and verification times much closer to those of a MAC. In this way, Scatter avoids the use of Elliptic Key Cryptography and manages to surpass all previous attempts for secure code dissemination in terms of energy consumption, memory and time efficiency.
Provided by: Goethe University of Frankfurt Topic: Mobility Date Added: Jun 2011 Format: PDF