New Research Challenges for the Security of Ad Hoc and Sensor Networks.- Public Key Cryptography in Sensor Networks—Revisited.- Exploring Message Authentication in Sensor Networks.- Secure Initialization in Single-Hop Radio Networks.- Some Methods for Privacy in RFID Communication.- Ring Signature Schemes for General Ad-Hoc Access Structures.- Linking Ad Hoc Charging Schemes to AAAC Architectures.- Blind Spontaneous Anonymous Group Signatures for Ad Hoc Groups.- Security for Interactions in Pervasive Networks: Applicability of Recommendation Systems.- Pseudonym Generation Scheme for Ad-Hoc Group Communication Based on IDH.- Secure Overlay for Service Centric Wireless Sensor Networks.- IKE in Ad-Hoc IP Networking.- Advanced Detection of Selfish or Malicious Nodes in Ad Hoc Networks.- A Security Architecture for Mobile Wireless Sensor Networks.- Securely Propagating Authentication in an Ensemble of Personal Devices Using Single Sign-on.- Key Management in Wireless Sensor Networks.- SDD: Secure Directed Diffusion Protocol for Sensor Networks.- Secure AES Hardware Module for Resource Constrained Devices.