Time-Stamping with Binary Linking Schemes. - Ahto Buldas; Peeter Laud; Helger Lipmaa; Jan Willemson (CRYPTO, 1998)

New linking schemes for digital time-stamping. - Ahto Buldas; Peeter Laud (ICISC, 1998)

Optimally Efficient Accountable Time-Stamping. - Ahto Buldas; Helger Lipmaa; Berry Schoenmakers (Public Key Cryptography, 2000)

Accountable Certificate Management using Undeniable Attestations. - Ahto Buldas; Peeter Laud; Helger Lipmaa (IACR Cryptol. ePrint Arch., 2000)

Improving the Availability of Time-Stamping Services. - Arne Ansper; Ahto Buldas; Märt Saarepera; Jan Willemson (ACISP, 2001)

Efficient Long-Term Validation of Digital Signatures. - Arne Ansper; Ahto Buldas; Meelis Roos; Jan Willemson (Public Key Cryptography, 2001)

Undeniable Replies for Database Queries. - Meelis Roos; Ahto Buldas; Jan Willemson (BalticDB&IS, 2002)

Eliminating Counterevidence with Applications to Accountable Certificate Management. - Ahto Buldas; Peeter Laud; Helger Lipmaa (J. Comput. Secur., 2002)

Scalable and Efficient PKI for Inter-Organizational Communication. - Arne Ansper; Ahto Buldas; Margus Freudenthal; Jan Willemson (ACSAC, 2003)

On Provably Secure Time-Stamping Schemes. - Ahto Buldas; Märt Saarepera (ASIACRYPT, 2004)

Universally Composable Time-Stamping Schemes with Audit. - Ahto Buldas; Peeter Laud; Märt Saarepera; Jan Willemson (IACR Cryptol. ePrint Arch., 2005)

Do Broken Hash Functions Affect the Security of Time-Stamping Schemes? - Ahto Buldas; Sven Laur (ACNS, 2006)

Rational Choice of Security Measures Via Multi-parameter Attack Trees. - Ahto Buldas; Peeter Laud; Jaan Priisalu; Märt Saarepera; Jan Willemson (CRITIS, 2006)

Practical Security Analysis of E-Voting Systems. - Ahto Buldas; Triinu Mägi (IWSEC, 2007)

Knowledge-Binding Commitments with Applications in Time-Stamping. - Ahto Buldas; Sven Laur (Public Key Cryptography, 2007)

Does Secure Time-Stamping Imply Collision-Free Hash Functions? - Ahto Buldas; Aivo Jürgenson (ProvSec, 2007)

Knowledge-Binding Commitments with Applications in Time-Stamping (Full Version). - Ahto Buldas; Sven Laur (IACR Cryptol. ePrint Arch., 2007)

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)

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)

Upper Bounds for Adversaries' Utility in Attack Trees. - Ahto Buldas; Roman Stepanenko (GameSec, 2012)

Security Proofs for Hash Tree Time-Stamping Using Hash Functions with Small Output Size. - Ahto Buldas; Risto Laanoja (ACISP, 2013)

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

Protecting a Federated Database Infrastructure against Denial-of-Service Attacks. - Arne Ansper; Ahto Buldas; Margus Freudenthal; Jan Willemson (CRITIS, 2013)

New Efficient Utility Upper Bounds for the Fully Adaptive Model of Attack Trees. - Ahto Buldas; Aleksandr Lenin (GameSec, 2013)

High-Performance Qualified Digital Signatures for X-Road. - Arne Ansper; Ahto Buldas; Margus Freudenthal; Jan Willemson (NordSec, 2013)

Keyless Signatures' Infrastructure: How to Build Global Distributed Hash-Trees. - Ahto Buldas; Andres Kroonmaa; Risto Laanoja (IACR Cryptol. ePrint Arch., 2013)

Limiting Adversarial Budget in Quantitative Security Assessment. - Aleksandr Lenin; Ahto Buldas (GameSec, 2014)

Bounded Pre-Image Awareness and the Security of Hash-Tree Keyless Signatures. - Ahto Buldas; Risto Laanoja; Peeter Laud; Ahto Truu (IACR Cryptol. ePrint Arch., 2014)

Efficient Quantum-Immune Keyless Signatures with Identity. - Ahto Buldas; Risto Laanoja; Ahto Truu (IACR Cryptol. ePrint Arch., 2014)

Efficient Implementation of Keyless Signatures with Hash Sequence Authentication. - Ahto Buldas; Risto Laanoja; Ahto Truu (IACR Cryptol. ePrint Arch., 2014)

Security Proofs for the BLT Signature Scheme. - Ahto Buldas; Risto Laanoja; Ahto Truu (IACR Cryptol. ePrint Arch., 2014)

Efficient Record-Level Keyless Signatures for Audit Logs. - Ahto Buldas; Ahto Truu; Risto Laanoja; Rainer Gerhards (IACR Cryptol. ePrint Arch., 2014)

Long-Term Secure Commitments via Extractable-Binding Commitments. - Ahto Buldas; Matthias Geihs; Johannes Buchmann 001 (ACISP (1), 2017)

Server-Supported RSA Signatures for Mobile Devices. - Ahto Buldas; Aivo Kalu; Peeter Laud; Mart Oruaas (ESORICS (1), 2017)

Are the Current System Engineering Practices Sufficient to Meet Cyber Crime? - Ahto Buldas; Märt Saarepera (HCI (22), 2017)

Simple Infeasibility Certificates for Attack Trees. - Ahto Buldas; Aleksandr Lenin; Jan Willemson; Anton Charnamord (IWSEC, 2017)

Long-Term Secure Time-Stamping Using Preimage-Aware Hash Functions - (Short Version). - Ahto Buldas; Matthias Geihs; Johannes Buchmann 001 (ProvSec, 2017)

Long-Term Secure Time-Stamping using Preimage-Aware Hash Functions. - Ahto Buldas; Matthias Geihs; Johannes Buchmann 001 (IACR Cryptol. ePrint Arch., 2017)

Keyless signature infrastructure and PKI: hash-tree signatures in pre- and post-quantum world. - Ahto Buldas; Risto Laanoja; Ahto Truu (Int. J. Serv. Technol. Manag., 2017)

A New Approach to Constructing Digital Signature Schemes - (Short Paper). - Ahto Buldas; Denis Firsov; Risto Laanoja; Henri Lakk; Ahto Truu (IWSEC, 2019)

A New Approach to Constructing Digital Signature Schemes (Extended Paper). - Ahto Buldas; Denis Firsov; Risto Laanoja; Henri Lakk; Ahto Truu (IACR Cryptol. ePrint Arch., 2019)

A Server-Assisted Hash-Based Signature Scheme. - Ahto Buldas; Risto Laanoja; Ahto Truu (IACR Cryptol. ePrint Arch., 2019)

A Blockchain-Assisted Hash-Based Signature Scheme. - Ahto Buldas; Risto Laanoja; Ahto Truu (IACR Cryptol. ePrint Arch., 2019)

Blockchain Technology: Intrinsic Technological and Socio-Economic Barriers - FDSE'2020 Keynote. - Ahto Buldas; Dirk Draheim; Takehiko Nagumo; Anton Vedeshin (FDSE, 2020)

Attribute evaluation on attack trees with incomplete information. - Ahto Buldas; Olga Gadyatskaya; Aleksandr Lenin; Sjouke Mauw; Rolando Trujillo-Rasua (Comput. Secur., 2020)

Verified Security of BLT Signature Scheme. - Denis Firsov; Ahto Buldas; Ahto Truu; Risto Laanoja (IACR Cryptol. ePrint Arch., 2020)

Towards a Foundation of Web3. - Ahto Buldas; Dirk Draheim; Mike Gault; Märt Saarepera (FDSE (CCIS Volume), 2022)

Secure and Efficient Implementation of Electronic Money. - Ahto Buldas; Dirk Draheim; Märt Saarepera (FDSE (CCIS Volume), 2022)

An Ultra-Scalable Blockchain Platform for Universal Asset Tokenization: Design and Implementation. - Ahto Buldas; Dirk Draheim; Mike Gault; Risto Laanoja; Takehiko Nagumo; Märt Saarepera; Syed Attique Shah; Joosep Simm; Jamie Steiner; Tanel Tammet; Ahto Truu (IEEE Access, 2022)

A Theory of Secure and Efficient Implementation of Electronic Money. - Ahto Buldas; Dirk Draheim; Märt Saarepera (SN Comput. Sci., 2023)