Proceedings of the 2002 ACM workshop on Privacy in the Electronic Society
Practical Group Signatures from RSA
AINA '06 Proceedings of the 20th International Conference on Advanced Information Networking and Applications - Volume 01
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Untraceability of Group Signature Schemes based on Bilinear Mapping and Their Improvement
ITNG '07 Proceedings of the International Conference on Information Technology
An identity-based proxy signature scheme from pairings
ICICS'06 Proceedings of the 8th international conference on Information and Communications Security
Efficient ID-based proxy signature and proxy signcryption form bilinear pairings
CIS'05 Proceedings of the 2005 international conference on Computational Intelligence and Security - Volume Part II
An efficient ID-Based delegation network
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part I
A Password-Based User Authentication Scheme for the Integrated EPR Information System
Journal of Medical Systems
A smart-card-enabled privacy preserving E-prescription system
IEEE Transactions on Information Technology in Biomedicine
A Secure Integrated Medical Information System
Journal of Medical Systems
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In 2002, Ateniese and Medeiros proposed an e-prescription system, in which the patient can store e-prescription and related information using smart card. Latter, Yang et al. proposed a novel smart-card based e-prescription system based on Ateniese and Medeiros's system in 2004. Yang et al. considered the privacy issues of prescription data and adopted the concept of a group signature to provide patient's privacy protection. To make the e-prescription system more realistic, they further applied a proxy signature to allow a patient to delegate his signing capability to other people. This paper proposed a novel security and privacy preserving e-prescription system model based on smart cards. A new role, chemist, is included in the system model for settling the medicine dispute. We further presented a concrete identity-based (ID-based) group signature scheme and an ID-based proxy signature scheme to realize the proposed model. Main property of an ID-based system is that public key is simple user's identity and can be verified without extra public key certificates. Our ID-based group signature scheme can allow doctors to sign e-prescription anonymously. In a case of a medical dispute, identities of the doctors can be identified. The proposed ID-based proxy signature scheme can improve signing delegation and allows a delegation chain. The proposed e-prescription system based on our proposed two cryptographic schemes is more practical and efficient than Yang et al.'s system in terms of security, communication overheads, computational costs, practical considerations.