Can We Construct Unbounded Time-Stamping Schemes from Collision-Free Hash Functions?. - Ahto Buldas; Margus Niitsoo (ProvSec, 2008)

Efficiency Bounds for Adversary Constructions in Black-Box Reductions. - Ahto Buldas; Aivo Jürgenson; Margus Niitsoo (ACISP, 2009)

Python prevails. - Vambola Leping; Marina Lepp; Margus Niitsoo; Eno Tõnisson; Varmo Vene; Anne Villems (CompSysTech, 2009)

Oracle Separation in the Non-uniform Model. - Ahto Buldas; Sven Laur; Margus Niitsoo (ProvSec, 2009)

Optimally Tight Security Proofs for Hash-Then-Publish Time-Stamping. - Ahto Buldas; Margus Niitsoo (ACISP, 2010)

Optimal Adversary Behavior for the Serial Model of Financial Attack Trees. - Margus Niitsoo (IACR Cryptol. ePrint Arch., 2010)

Deterministic Random Oracles. - Margus Niitsoo (ProvSec, 2012)

High-performance secure multi-party computation for data mining applications. - Dan Bogdanov; Margus Niitsoo; Tomas Toft; Jan Willemson (Int. J. Inf. Sec., 2012)

Black-Box Separations and Their Adaptability to the Non-uniform Model. - Ahto Buldas; Margus Niitsoo (ACISP, 2013)

MatchMySound: Introducing Feedback to Online Music Education. - Kristo Kão; Margus Niitsoo (ICWL Workshops, 2014)