| 2008 |
| 6 | EE | Konstantin Hyppönen:
An Open Mobile Identity Tool: An Architecture for Mobile Identity Management.
EuroPKI 2008: 207-222 |
| 5 | EE | Konstantin Hyppönen,
Marko Hassinen,
Elena Trichina:
Pseudonymous Mobile Identity Architecture Based on Government-Supported PKI.
TRUST 2008: 107-118 |
| 4 | EE | Konstantin Hyppönen,
Marko Hassinen,
Elena Trichina:
Combining Biometric Authentication with Privacy-Enhancing Technologies.
TRUST 2008: 155-165 |
| 3 | EE | Marko Hassinen,
Konstantin Hyppönen,
Elena Trichina:
Utilizing national public-key infrastructure in mobile payment systems.
Electronic Commerce Research and Applications 7(2): 214-231 (2008) |
| 2006 |
| 2 | EE | Marko Hassinen,
Konstantin Hyppönen,
Keijo Haataja:
An Open, PKI-Based Mobile Payment System.
ETRICS 2006: 86-100 |
| 2003 |
| 1 | EE | Konstantin Hyppönen,
David Naccache,
Elena Trichina,
Alexei Tchoulkine:
Trading-Off Type-Inference Memory Complexity against Communication.
ICICS 2003: 60-71 |