The KeeLoq cipher is used in many wireless car door systems and garage openers. Recently the algorithm was studied and several attacks have been published. When a random seed is no...
—The IEEE 802.15.4 standard specifies an M-ary spread spectrum system with public and fixed spreading sequences. We propose instead to use secret and dynamic, random spreading ...
Bjorn Muntwyler, Vincent Lenders, Franck Legendre,...
Denial of service attack is an attempt from any authorized or unauthorized entity to allocate resources excessively to prevent normal operation of the system. A method will be pres...
Selective forwarding attacks may corrupt some mission-critical applications such as military surveillance and forest fire monitoring in wireless sensor networks. In such attacks,...
In this paper, we analyze attacks on existing time synchronization protocols for wireless sensor networks. We propose a secure time synchronization toolbox to counter these attack...