Key revocation in wireless sensor networks: a survey on a less-addressed yet vital issue
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Title: Key Revocation in Wireless Sensor Networks: A Survey on a Less-Addressed Yet Vital Issue

Section 1: Introduction
Description 1: Provide an overview of the paper’s focus on key revocation in wireless sensor networks, its importance, and the structure of the survey.

Section 2: Background and Related Work
Description 2: Discuss the foundational concepts of key management in wireless sensor networks and review related work in key revocation mechanisms.

Section 3: Key Revocation Mechanisms
Description 3: Present different mechanisms and approaches for key revocation in wireless sensor networks.

Section 4: Comparative Analysis
Description 4: Compare the various key revocation mechanisms based on different criteria such as efficiency, security, and scalability.

Section 5: Challenges and Open Issues
Description 5: Identify the current challenges in the implementation of key revocation in wireless sensor networks and propose potential areas for future research.

Section 6: Case Studies and Applications
Description 6: Provide examples of key revocation implementations in real-world wireless sensor network applications.

Section 7: Conclusion
Description 7: Summarize the key points discussed in the paper and the overall importance of addressing key revocation in wireless sensor networks.