Use of elliptic curves in cryptography
Lecture notes in computer sciences; 218 on Advances in cryptology---CRYPTO 85
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IEEE Pervasive Computing
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ACM Transactions on Sensor Networks (TOSN)
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IEEE Pervasive Computing
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HCMDSS-MDPNP '07 Proceedings of the 2007 Joint Workshop on High Confidence Medical Devices, Software, and Systems and Medical Device Plug-and-Play Interoperability
Elliptic curve cryptography-based access control in sensor networks
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KES-AMSTA '07 Proceedings of the 1st KES International Symposium on Agent and Multi-Agent Systems: Technologies and Applications
A secure mobile healthcare system using trust-based multicast scheme
IEEE Journal on Selected Areas in Communications - Special issue on wireless and pervasive communications for healthcare
IEEE Journal on Selected Areas in Communications - Special issue on wireless and pervasive communications for healthcare
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ICUCT'06 Proceedings of the 1st international conference on Ubiquitous convergence technology
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The application of wireless sensor networks (WSNs) in healthcare is one of the most important and rapidly growing areas. One of the most critical security concerns is patients' privacy. Since patients are monitored all the time, authentication of who can access the information, and what information one is authorized to access are indispensable to maintain privacy. In healthcare environments, authentication and access control face a big challenge due to dynamic network topology, mobility, and stringent resource constraints. In this paper, we propose a secure, scalable, and energy-efficient security scheme called Mutual Authentication and Access Control scheme based on Elliptic Curve Cryptography (MAACE). MAACE provides mutual authentication where a healthcare professional can authenticate to an accessed node (a PDA or medical sensor) and vice versa. This is to ensure that medical data is not exposed to an unauthorized person. On the other hand, it ensures that medical data sent to healthcare professionals did not originate from a malicious node. By applying elliptic curve cryptography (ECC), MAACE provides a public key approach which is more scalable and requires less memory compared to symmetric key-based schemes. Furthermore, it is practically feasible to implement it on sensor platforms. Security analysis and performance evaluation results are presented and compared to existing schemes to show advantages of the proposed scheme.