Security without identification: transaction systems to make big brother obsolete
Communications of the ACM
Anonymous authentication with subset queries (extended abstract)
CCS '99 Proceedings of the 6th ACM conference on Computer and communications security
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
ISDN-MIXes: Untraceable Communication with Small Bandwidth Overhead
Kommunikation in Verteilten Systemen, Grundlagen, Anwendungen, Betrieb, GI/ITG-Fachtagung
An Efficient System for Non-transferable Anonymous Credentials with Optional Anonymity Revocation
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
ASIACRYPT '01 Proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Unlinkable Serial Transactions
FC '97 Proceedings of the First International Conference on Financial Cryptography
Anonymous Authentication of Membership in Dynamic Groups
FC '99 Proceedings of the Third International Conference on Financial Cryptography
A Practical and Provably Secure Coalition-Resistant Group Signature Scheme
CRYPTO '00 Proceedings of the 20th Annual International Cryptology Conference on Advances in Cryptology
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
ARES '08 Proceedings of the 2008 Third International Conference on Availability, Reliability and Security
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In the area of health care and sports in recent years a variety of mobile applications have been established. Mobile devices are of emerging interest due to their high availability and increasing computing power in many different health scenarios. In this paper we present a scalable secure sensor monitoring platform (SSMP) which collects vital data of users. Vital parameters can be collected by just one single sensor or in a multi-sensor configuration. Nowadays a wide spectrum of sensors is available which provide wireless connectivity (e.g. Bluetooth). Vital data can then easily be transmitted to a mobile device which subsequently transmits these data to an eHealth portal. There are already solutions implementing these capabilities, however privacy aspects of users are very often neglected. Since health data may enable people to draw potentially compromising conclusions (e.g. insurance companies), it is absolutely necessary to design an enhanced security concept in this context. To complicate matters further, the trustworthiness of providers which are operating with user's health data can not be determined by users a priori. This means that the security concept implemented by the provider may bear security flaws. Additionally there is no guarantee that the provider preserves the users privacy claims. In this work we propose a security concept incorporating privacy aspects using mobile devices for transferring and storing health data at a portal. In addition, the concept guarantees anonymity in the transfer process as well as for stored data at a service provider. Hence, insider attacks based on stored data can be prevented.