Security without identification: transaction systems to make big brother obsolete
Communications of the ACM
Rethinking Public Key Infrastructures and Digital Certificates: Building in Privacy
Rethinking Public Key Infrastructures and Digital Certificates: Building in Privacy
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
Proceedings of the 11th ACM conference on Computer and communications security
How to win the clonewars: efficient periodic n-times anonymous authentication
Proceedings of the 13th ACM conference on Computer and communications security
Modular inverse algorithms without multiplications for cryptographic applications
EURASIP Journal on Embedded Systems
Implementing Embedded Security on Dual-Virtual-CPU Systems
IEEE Design & Test
Secure Communication between Web Browsers and NFC Targets by the Example of an e-Ticketing System
EC-Web '08 Proceedings of the 9th international conference on E-Commerce and Web Technologies
Performance Issues of Selective Disclosure and Blinded Issuing Protocols on Java Card
WISTP '09 Proceedings of the 3rd IFIP WG 11.2 International Workshop on Information Security Theory and Practice. Smart Devices, Pervasive Systems, and Ubiquitous Networks
Anonymous credentials on a standard java card
Proceedings of the 16th ACM conference on Computer and communications security
Understanding Cryptography: A Textbook for Students and Practitioners
Understanding Cryptography: A Textbook for Students and Practitioners
Anonymous RFID authentication using trusted computing technologies
RFIDSec'10 Proceedings of the 6th international conference on Radio frequency identification: security and privacy issues
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Modern smart-phones are equipped with various interfaces such as NFC, allowing a versatile use of the device for many different applications. However, every transaction of the phone especially via its NFC interface can be recorded and stored for further analysis, bearing a threat to the privacy of the device and its user. In this paper, we propose and analyze the efficiency of a mobile ticketing system that is designed for privacy protection. In our investigation, we lay focus on the specific algorithms which are based on selective disclosure protocols and Brands' one-time show credential system. Our proof-of-concept prototype includes client- and terminal side implementations for detailed analysis. Moreover, we propose algorithm improvements to increase the performance and efficiency of the NFC transactions on the client side in our system.