Sotabase

Career

· Professor, University of Helsinki2015–
· Professor of Mathematics, University of Helsinki2012–2015
· Associate Professor of Mathematics and Statistics, University of Vaasa1993–1997
· PhD in Theoretical Computer Science, University of Turku1989–
· Various Positions, Nokia Corporation
· Professor of Mathematics, University of Turku

Publications (192)

Practical Attacks Against Privacy and Availability in 4G/LTE Mobile Communication Systems
Network and Distributed System Security Symposium · 2015
332
cited
UMTS Networks: Architecture, Mobility and Services
2001
327
cited
Secure Vickrey Auctions without Threshold Trust
Financial Cryptography · 2002
194
cited
Man-in-the-Middle in Tunnelled Authentication Protocols
Security Protocols Workshop · 2003
163
cited
Distributed Usage Control
ANT/MobiWIS · 2011
144
cited
Man-in-the-Middle in Tunneled Authentication Protocols
2002
76
cited
How to Prevent Buying of Votes in Computer Elections
International Conference on the Theory and Application of Cryptology and Information Security · 1994
73
cited
Secure Multiparty Computations Without Computers
Theoretical Computer Science · 1998
73
cited
Two Schemes of Privacy-Preserving Trust Evaluation
Future generations computer systems · 2016
71
cited
LTE Security: Horn/LTE Security
2010
69
cited
UAKA-D2D: Universal Authentication and Key Agreement Protocol in D2D Communications
Journal on spesial topics in mobile networks and applications · 2017
55
cited
Defeating the Downgrade Attack on Identity Privacy in 5G
ACM SIGSOFT Symposium on Software Reusability · 2018
32
cited
Cellular Authentication for Mobile and Internet Services
2008
31
cited
Exploring trust of mobile applications based on user behaviors: an empirical study
2013
30
cited
Track Me If You Can: On the Effectiveness of Context-based Identifier Changes in Deployed Mobile Networks
Network and Distributed System Security Symposium · 2012
30
cited
Inferring social ties in academic networks using short-range wireless communications
Workshop on Privacy in the Electronic Society · 2013
29
cited
Meetings through the cloud: Privacy-preserving scheduling on mobile devices
Journal of Systems and Software · 2011
28
cited
Extending cellular authentication as a service
2005
23
cited
Privacy-preserving activity scheduling on mobile devices
Conference on Data and Application Security and Privacy · 2011
23
cited
Solitaire Zero-knowledge
Fundamenta Informaticae · 1999
23
cited
Sotabase
Valtteri Niemi | Researcher Profile | Sotabase | Sotabase