Publications

• Lachlan J. Gunn, Jian Liu, Bruno Vavala, N. Asokan: Making Speculative BFT Resilient with Trusted Monotonic Counters, 38th International Symposium on Reliable Distributed Systems (SRDS), 2019.
• Lachlan J. Gunn, Ricardo Vieitez Parra, N. Asokan: Circumventing Cryptographic Deniability with Remote Attestation, Proceedings on Privacy-Enhancing Technologies, 2019(3), pp. 350–369. 2019.
• Jian Liu, Wenting Li, Ghassan Karame, N. Asokan: Scalable Byzantine Consensus via Hardware-assisted Secret Sharing, IEEE Transactions on Computers, 68(1), pp. 139–151, 2018.
• Jian Liu, Wenting Li, Ghassan Karame, N. Asokan: Towards Fairness of Cryptocurrency Payments, IEEE Security and Privacy, 16(3), pp. 81–89, 2018.

Reports

• Lachlan J. Gunn, Jian Liu, Bruno Vavala, N. Asokan: Making Speculative BFT Resilient with Trusted Monotonic Counters.
• Lachlan J. Gunn, Ricardo Vieitez Parra, N. Asokan: On The Use of Remote Attestation to Break and Repair Deniability.
• Jian Liu, Wenting Li, Ghassan Karame, N. Asokan: Scalable Byzantine Consensus via Hardware-assisted Secret Sharing.
• Jian Liu, Wenting Li, Ghassan Karame, N. Asokan: Towards Fairness of Cryptocurrency Payments.

Master’s theses

• Koen Tange: High Speed Consensus with Trusted Execution Environments, Aalto Master’s thesis, (2018).
• Ricardo Vieitez Parra: The Impact of Attestation on Deniable Communications, Aalto Master’s thesis, (2018).

Awards

Talks

• OTRv4 Summit 2019: Remote attestation and deniability: challenges and opportunities presented at the OTRv4 Summit 2019 by Lachlan J Gunn.
• Black Hat Europe 2018: The Undeniable Truth: How Remote Attestation Circumvents Deniability Guarantees in Secure Messaging Protocols presented at Black Hat Europe by N. Asokan and Lachlan Gunn (video).

Demos & Posters

• Secure Systems Demo Day 2020: The Ship of Theseus Protocol: efficient & long-lived ledgers (October 29, Aalto University).
• Secure Systems Demo Day 2019: Tolerating Common-Mode Faults in Byzantine Consensus (May 29, Aalto University), poster
• Secure Systems Demo Day 2019: Making speculative BFT Resilient with Trusted Monotonic Counters (May 29, Aalto University), poster
• Secure Systems Demo Day 2018: “Breaking and repairing deniable messaging using remote attestation” (June 20, 2018, Aalto University), poster
• Secure Systems Demo Day 2018: “Robust and efficient sharding for smart contracts” (June 20, 2018, Aalto University), poster
• Secure Systems Demo Day 2018: “SACBFT: single active counter Byzantine fault tolerance” (June 20, 2018, Aalto University), poster

Events

Media coverage

Research visits