Konstantinos Chalkias

53 papers A* 1A 3B 2C 5Misc 1Journal 23Unranked 17
YearRankTypeTitle / Venue / Authors
2025 J jnl
Post-Quantum Readiness in EdDSA Chains.
IACR Cryptol. ePrint Arch.
Foteini Baldimtsi, Konstantinos Chalkias, Arnab Roy
2025 J jnl
Web3 Recovery Mechanisms and User Preferences.
IACR Cryptol. ePrint Arch.
Easwar Vivek Mangipudi, Panagiotis Chatzigiannis, Konstantinos Chalkias, Aniket Kate, Mohsen Minaei, Mainack Mondal
2024 — conf
Truncator: Time-Space Tradeoff of Cryptographic Primitives.
FC (2)
Foteini Baldimtsi, Konstantinos Chalkias, Panagiotis Chatzigiannis, Mahimna Kelkar
2023 J jnl
Building Random, Fair, and Verifiable Games on Blockchain. Raffle smart contract designs on Sui Network.
CoRR
Eason Chen, Justa Liang, Ray Huang, Pierce Hung, Damien Chen, Ashley Hsu, Konstantinos Chalkias, Stefanos Pleros
2023 — conf
Double Public Key Signing Function Oracle Attack on EdDSA Software Implementations.
CAMAD
Sam Grierson, Konstantinos Chalkias, William J. Buchanan, Leandros Maglaras
2023 J jnl
Double Public Key Signing Function Oracle Attack on EdDSA Software Implementations.
CoRR
Sam Grierson, Konstantinos Chalkias, William J. Buchanan
2023 B conf
STROBE: Streaming Threshold Random Beacons.
AFT
Donald Beaver, Konstantinos Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias, Kevin Lewi, Ladi de Naurois, Valeria Nikolaenko, Arnab Roy, Alberto Sonnino
2023 J jnl
SoK: Web3 Recovery Mechanisms.
IACR Cryptol. ePrint Arch.
Panagiotis Chatzigiannis, Konstantinos Chalkias, Aniket Kate, Easwar Vivek Mangipudi, Mohsen Minaei, Mainack Mondal
2022 A conf
Aggregating and Thresholdizing Hash-based Signatures using STARKs.
AsiaCCS
Irakliy Khaburzaniya, Konstantinos Chalkias, Kevin Lewi, Harjasleen Malvai
2022 A conf
Base64 Malleability in Practice.
AsiaCCS
Konstantinos Chalkias, Panagiotis Chatzigiannis
2022 J jnl
Base64 Malleability in Practice.
IACR Cryptol. ePrint Arch.
Panagiotis Chatzigiannis, Konstantinos Chalkias
2022 — conf
Broken Proofs of Solvency in Blockchain Custodial Wallets and Exchanges.
Financial Cryptography Workshops
Konstantinos Chalkias, Panagiotis Chatzigiannis, Yan Ji
2022 J jnl
Broken Proofs of Solvency in Blockchain Custodial Wallets and Exchanges.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, Panagiotis Chatzigiannis, Yan Ji
2022 — conf
SoK: Blockchain Light Clients.
Financial Cryptography
Panagiotis Chatzigiannis, Foteini Baldimtsi, Konstantinos Chalkias
2022 J jnl
Truncator: Time-space Tradeoff of Cryptographic Primitives.
IACR Cryptol. ePrint Arch.
Foteini Baldimtsi, Konstantinos Chalkias, Panagiotis Chatzigiannis, Mahimna Kelkar
2021 J jnl
Aggregating hash-based signatures using STARKs.
IACR Cryptol. ePrint Arch.
Irakliy Khaburzaniya, Konstantinos Chalkias, Kevin Lewi, Harjasleen Malvai
2021 A* conf
Generalized Proof of Liabilities.
CCS
Yan Ji, Konstantinos Chalkias
2021 J jnl
Generalized Proof of Liabilities.
IACR Cryptol. ePrint Arch.
Yan Ji, Konstantinos Chalkias
2021 J jnl
HashWires: Hyperefficient Credential-Based Range Proofs.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, Shir Cohen, Kevin Lewi, Fredric Moezinia, Yolan Romailler
2021 J jnl
HashWires: Hyperefficient Credential-Based Range Proofs.
Proc. Priv. Enhancing Technol.
Konstantinos Chalkias, Shir Cohen, Kevin Lewi, Fredric Moezinia, Yolan Romailler
2021 — conf
Homomorphic Decryption in Blockchains via Compressed Discrete-Log Lookup Tables.
DPM/CBT@ESORICS
Panagiotis Chatzigiannis, Konstantinos Chalkias, Valeria Nikolaenko
2021 J jnl
Homomorphic decryption in blockchains via compressed discrete-log lookup tables.
IACR Cryptol. ePrint Arch.
Panagiotis Chatzigiannis, Konstantinos Chalkias, Valeria Nikolaenko
2021 B conf
Non-interactive Half-Aggregation of EdDSA and Variants of Schnorr Signatures.
CT-RSA
Konstantinos Chalkias, François Garillot, Yashvanth Kondi, Valeria Nikolaenko
2021 J jnl
Non-interactive half-aggregation of EdDSA and variants of Schnorr signatures.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, François Garillot, Yashvanth Kondi, Valeria Nikolaenko
2021 — conf
Proof of Assets in the Diem Blockchain.
ACNS Workshops
Panagiotis Chatzigiannis, Konstantinos Chalkias
2021 J jnl
Proof of Assets in the Diem Blockchain.
IACR Cryptol. ePrint Arch.
Panagiotis Chatzigiannis, Konstantinos Chalkias
2021 — conf
Reactive Key-Loss Protection in Blockchains.
Financial Cryptography Workshops
Sam Blackshear, Konstantinos Chalkias, Panagiotis Chatzigiannis, Riyaz Faizullabhoy, Irakliy Khaburzaniya, Eleftherios Kokoris-Kogias, Joshua Lind, David Wong, Tim Zakian
2021 J jnl
Reactive Key-Loss Protection in Blockchains.
IACR Cryptol. ePrint Arch.
Sam Blackshear, Konstantinos Chalkias, Panagiotis Chatzigiannis, Riyaz Faizullabhoy, Irakliy Khaburzaniya, Eleftherios Kokoris-Kogias, Joshua Lind, David Wong, Tim Zakian
2021 J jnl
STROBE: Stake-based Threshold Random Beacons.
IACR Cryptol. ePrint Arch.
Donald Beaver, Konstantinos Chalkias, Mahimna Kelkar, Lefteris Kokoris-Kogias, Kevin Lewi, Ladi de Naurois, Valeria Nicolaenko, Arnab Roy, Alberto Sonnino
2021 — conf
SoK: Auditability and Accountability in Distributed Payment Systems.
ACNS (2)
Panagiotis Chatzigiannis, Foteini Baldimtsi, Konstantinos Chalkias
2021 J jnl
SoK: Auditability and Accountability in Distributed Payment Systems.
IACR Cryptol. ePrint Arch.
Panagiotis Chatzigiannis, Foteini Baldimtsi, Konstantinos Chalkias
2021 J jnl
SoK: Blockchain Light Clients.
IACR Cryptol. ePrint Arch.
Panagiotis Chatzigiannis, Foteini Baldimtsi, Konstantinos Chalkias
2020 J jnl
Distributed Auditing Proofs of Liabilities.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, Kevin Lewi, Payman Mohassel, Valeria Nikolaenko
2020 — conf
Taming the Many EdDSAs.
SSR
Konstantinos Chalkias, François Garillot, Valeria Nikolaenko
2020 J jnl
Taming the many EdDSAs.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, François Garillot, Valeria Nikolaenko
2018 — conf
Blockchained Post-Quantum Signatures.
iThings/GreenCom/CPSCom/SmartData
Konstantinos Chalkias, James Brown, Mike Hearn, Tommy Lillehagen, Igor Nitto, Thomas Schroeter
2018 J jnl
Blockchained Post-Quantum Signatures.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, James Brown, Mike Hearn, Tommy Lillehagen, Igor Nitto, Thomas Schroeter
2016 — conf
Going Beyond the Coinbase Transaction Fee: Alternative Reward Schemes for Miners in Blockchain Systems.
PCI
K. Harald Gjermundrød, Konstantinos Chalkias, Ioanna Dionysiou
2012 C conf
A Compatible Implementation between Identity-based and Certificateless Encryption Schemes.
WEBIST
Antigoni Polychroniadou, Konstantinos Chalkias, George Stephanides
2012 C conf
The Concept of Compatibility between Identity-based and Certificateless Encryption Schemes.
SECRYPT
Antigoni Polychroniadou, Konstantinos Chalkias, George Stephanides
2010 J jnl
Attacks on the AKACP Protocol.
IACR Cryptol. ePrint Arch.
Konstantinos Chalkias, Foteini Baldimtsi, Dimitrios Hristu-Varsakelis, Spyros T. Halkidis, George Stephanides
2010 — conf
Parallel Collection of Live Data Using Hadoop.
Panhellenic Conference on Informatics
Kyriacos Talattinis, Aikaterini Sidiropoulou, Konstantinos Chalkias, George Stephanides
2010 — conf
Practical Implementation of Identity Based Encryption for Secure E-mail Communication.
Panhellenic Conference on Informatics
Anastasios Kihidis, Konstantinos Chalkias, George Stephanides
2010 — —
Secure cryptographic protocols and applications based on bilinear pairings
Konstantinos Chalkias
2008 C conf
An Implementation Infrastructure for Server-Passive Timed-Release Cryptography.
IAS
Konstantinos Chalkias, Foteini Baldimtsi, Dimitrios Hristu-Varsakelis, George Stephanides
2008 — conf
Surveying Wi-Fi Security - Presentation of Wi-Fi Security Measures, Varius Wi-Fi Attacks and a Classification Survey of Wi-Fi Networks in Thessaloniki.
WINSYS
George E. Violettas, Tryfon Theodorou, Konstantinos Chalkias, George Stephanides
2007 Misc conf
A Provably Secure One-Pass Two-Party Key Establishment Protocol.
Inscrypt
Konstantinos Chalkias, Spyros T. Halkidis, Dimitrios Hristu-Varsakelis, George Stephanides, Anastasios Alexiadis
2007 A conf
Improved Anonymous Timed-Release Encryption.
ESORICS
Konstantinos Chalkias, Dimitrios Hristu-Varsakelis, George Stephanides
2007 C conf
Low-cost Anonymous Timed-Release Encryption.
IAS
Dimitrios Hristu-Varsakelis, Konstantinos Chalkias, George Stephanides
2007 C conf
On the Key-Compromise Impersonation Vulnerability of One-Pass Key Establishment Protocols.
SECRYPT
Konstantinos Chalkias, F. Mpaldimtsi, Dimitris Hristu-Varsakelis, George Stephanides
2007 — conf
Two Types of Key-Compromise Impersonation Attacks against One-Pass Key Establishment Protocols.
ICETE (Selected Papers)
Konstantinos Chalkias, Foteini Baldimtsi, Dimitris Hristu-Varsakelis, George Stephanides
2006 — conf
Timed Release Cryptography from Bilinear Pairings Using Hash Chains.
Communications and Multimedia Security
Konstantinos Chalkias, George Stephanides
2005 — conf
Implementing Authentication Protocol for Exchanging Encrypted Messages via an Authentication Server based on Elliptic Curve Cryptography with the ElGamal's Algorithm.
IEC (Prague)
Konstantinos Chalkias, George Filiadis, George Stephanides