Trading-Off Type-Inference Memory Complexity Against Communication. - Konstantin Hyppönen; David Naccache; Elena Trichina; Alexei Tchoulkine (IACR Cryptol. ePrint Arch., 2003)

Strong mobile authentication. - Marko Hassinen; Konstantin Hyppönen (ISWCS, 2005)

An Open, PKI-Based Mobile Payment System. - Marko Hassinen; Konstantin Hyppönen; Keijo Haataja (ETRICS, 2006)

SIM-enabled Open Mobile Payment System Based on Nation-wide PKI. - Elena Trichina; Konstantin Hyppönen; Marko Hassinen (ISSE, 2007)

An Open Mobile Identity Tool: An Architecture for Mobile Identity Management. - Konstantin Hyppönen (EuroPKI, 2008)

Transforming Mobile Platform with KI-SIM Card into an Open Mobile Identity Tool. - Konstantin Hyppönen; Marko Hassinen; Elena Trichina (ISSE, 2008)

Pseudonymous Mobile Identity Architecture Based on Government-Supported PKI. - Konstantin Hyppönen; Marko Hassinen; Elena Trichina (TRUST, 2008)

Combining Biometric Authentication with Privacy-Enhancing Technologies. - Konstantin Hyppönen; Marko Hassinen; Elena Trichina (TRUST, 2008)

Utilizing national public-key infrastructure in mobile payment systems. - Marko Hassinen; Konstantin Hyppönen; Elena Trichina (Electron. Commer. Res. Appl., 2008)

Computer science research articles: the locations of different section types, and a proposal for standardization in the structure. - Konstantin Hyppönen; Vivian Michael Paganuzzi (Scientometrics, 2010)

XHTML with RDFa as a Semantic Document Format for CCTS Modelled Documents and Its Application for Social Services. - Konstantin Hyppönen; Miika Alonen; Sami Korhonen; Virpi Hotti (ESWC Workshops, 2011)

Bluetooth Security Attacks - Comparative Analysis, Attacks, and Countermeasures. - Keijo Haataja; Konstantin Hyppönen; Sanna Pasanen; Pekka J. Toivanen (Springer, 2013)