ch. 1. Introduction to wireless sensor networks -- ch. 2. Security in wireless sensor networks -- ch. 3. Elliptic curve cryptography -- ch. 4. Identity-based cryptography -- ch. 5. Identity-based authentication and encryption in wireless sensor networks -- ch. 6. Identity-based key distribution in wireless sensor networks -- ch. 7. Routing in wireless sensor networks using identity-based cryptography -- ch. 8. Cross-layer security in wireless sensor networks -- ch. 9. Implementation of elliptic curve cryptography in wireless sensor networks.