원문정보
초록
영어
To establish secure communication, authenticated key agreement, which combines user authentication and key agreement, is the basic services for many security and privacy services over wireless sensor networks (WSNs). Recently, Jiang et al. proposed an efficient authenticated key agreement scheme with unlinkability for WSNs. Unfortunately, this paper shows two weaknesses in Jiang et al.’s scheme, which are the problem of global time synchronization requirement and the lack of forward secrecy. After that, this paper proposes an enhanced authenticated key agreement scheme with forward secrecy to remedy Jiang et al.’s scheme. The proposed scheme does not use timestamp that requires the global time synchronization and provides forward secrecy. It provides user anonymity and un-traceability by adopting dynamic identifier depending on each session dependent random number.
목차
1. Introduction
2. Network Configuration
3. Jiang User Authentication Scheme
3.1 Registration Phase
3.2 Login and Authentication Phase
3.3 Password Update Phase
4. Weakness Analysis On Jiang Et al.'s Scheme
4.1 Global Time Synchronization
4.2 Forward Secrecy
5. Proposed Authenticated Key Agreement Scheme
5.1 Registration Phase
5.2 Login and Authenticated Key Agreement Phase
5.3 Password Update Phase
6. Security Analysis
6.1 Global Time Synchronization
6.2 Forward Secrecy
6.3 Resilience of Password Guessing Attack
6.4 Resilience of Replay Attack
6.5 Resilience of User Identity Guessing Attack
7. Conclusion
References