Publications (recent first)
2025
[S&P’25] PEARTS: Provable Execution in Real-Time Embedded Systems
- Authors: Antonio Joia Neto, Norrathep Rattanavipanon, and Ivan De Oliveira Nunes
- In: IEEE Symposium on Security and Privacy (Oakland) 2025 (to appear)
- Download: paper
[S&P’25] SoK: Integrity, Attestation, and Auditing of Program Execution
- Authors: Mahmoud Ammar, Adam Caulfield, and Ivan De Oliveira Nunes
- In: IEEE Symposium on Security and Privacy (Oakland) 2025 (to appear)
- Download: paper
2024
[ACSAC’24] TRACES: TEE-based Runtime Auditing for Commodity Embedded Systems
- Authors: Adam Caulfield, Antonio Joia Neto, Norrathep Rattanavipanon, and Ivan De Oliveira Nunes
- In: 40th Annual Computer Security Applications Conference (to appear)
- Download: paper
[ACSAC’24] SpecCFA: Enhancing Control Flow Attestation and Auditing via Application-Aware Sub-Path Speculation
- Authors: Adam Caulfield, Liam Tyler, and Ivan De Oliveira Nunes
- In: 40th Annual Computer Security Applications Conference (to appear)
- Download: paper
- Authors: Liam Tyler and Ivan De Oliveira Nunes
- In: ACM SIGBED International Conference on Embedded Software (EMSOFT) and IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD)(to appear)
- Download: paper
[IEEE ComMag’24] Towards Remotely Verifiable Software Integrity in Resource-Constrained IoT Devices
- Authors: Ivan De Oliveira Nunes, Norrathep Rattanavipanon, Sashidhar Jakkamsetti, and Gene Tsudik
- In: IEEE Communications Magazine 2024
- Download: paper
2023
[USENIX SEC’23] ACFA: Secure Runtime Auditing & Guaranteed Device Healing via Active Control Flow Attestation
- Authors: Adam Caulfield, Norrathep Rattanavipanon, and Ivan De Oliveira Nunes
- In: USENIX Security Symposium 2023
- Download: paper
[RTAS’23] ISC-FLAT: On the Conflict Between Control Flow Attestation and Real-Time Operations
- Authors: Antonio Joia Neto and Ivan De Oliveira Nunes
- In: IEEE Real-Time and Embedded Technology and Applications Symposium 2023
- Download: paper
[ICCAD’23] DiCA: A Hardware-Software Co-Design for Differential Check-Pointing in Intermittently Powered Devices
- Authors: Antonio Joia Neto, Adam Caulfield, Christabelle Alvares and Ivan De Oliveira Nunes
- In: IEEE/ACM International Conference on Computer-Aided Design
- Download: paper
[ICCAD’23] PARseL: Towards a Verified Root-of-Trust over seL4
- Authors: Ivan De Oliveira Nunes, Seoyeon Hwang, Sashidhar Jakkamsetti, Norrathep Rattanavipanon and Gene Tsudik
- In: IEEE/ACM International Conference on Computer-Aided Design
- Download: paper
[ESORICS’23] Oblivious Extractors and Improved Security in Biometric-based Authentication Systems
- Authors: Ivan De Oliveira Nunes, Peter Rindal and Maliheh Shirvanian
- In: 28th European Symposium on Research in Computer Security
- Download: paper
2022
[ICCAD’22] CASU: Compromise Avoidance via Secure Updates for Low-end Embedded Systems
- Authors: Ivan De Oliveira Nunes, Sashidhar Jakkamsetti, Youngil Kim, and Gene Tsudik
- In: IEEE/ACM International Conference on Computer-Aided Design 2022
- Download: paper
[S&P’22] Privacy-from-Birth: Protecting Sensed Data from Malicious Sensors with VERSA
- Authors: Ivan De Oliveira Nunes, Seoyeon Hwang, Sashidhar Jakkamsetti, and Gene Tsudik
- In: IEEE Symposium on Security and Privacy 2022
- Download: paper
[DAC’22] ASAP: Reconciling Asynchronous Real-Time Operations and Proofs of Execution in Simple Embedded Systems
- Authors: Adam Caulfield, Norrathep Rattanavipanon, and Ivan De Oliveira Nunes
- In: DAC 2022
- Download: paper
[USENIX SEC’22] GAROTA: Generalized Active Root-Of-Trust Architecture (for Tiny Embedded Devices)
- Authors: Esmerald Aliaj, Ivan De Oliveira Nunes, and Gene Tsudik
- In: USENIX Security Symposium 2022
- Download: paper
2021
[CCS’21] On the TOCTOU Problem in Remote Attestation
- Authors: Ivan De Oliveira Nunes, Sashidhar Jakkamsetti, Norrathep Rattanavipanon, and Gene Tsudik
- In: ACM CCS 2021
- Download: paper
[DAC’21] DIALED: Data Integrity Attestation for Low-end Embedded Devices
- Authors: Ivan De Oliveira Nunes, Sashidhar Jakkamsetti, and Gene Tsudik
- In: DAC 2021
- Download: paper
[WiSec’21] Delegated Attestation: Scalable Remote Attestation of Commodity CPS by Blending Proofs of Execution with Software Attestation
- Authors: Mahmoud Ammar, Bruno Crispo, Ivan De Oliveira Nunes, and Gene Tsudik
- In: ACM WiSec 2021
- Download: paper
[IPSN’21] On the Root of Trust Identification Problem
- Authors: Ivan De Oliveira Nunes, Xuhua Ding, and Gene Tsudik
- In: ACM IPSN 2021
- Download: paper
[DATE’21] Tiny-CFA: Minimalistic Control-Flow Attestation Using Verified Proofs of Execution
- Authors: Ivan De Oliveira Nunes, Sashidhar Jakkamsetti, and Gene Tsudik
- In: DATE 2021
- Download: paper
2020
[USENIX Sec’20] APEX: A Verified Architecture for Proofs of Execution on Remote Devices Under Full Software Compromise
- Authors: Ivan De Oliveira Nunes, Karim Eldefrawy, Norrathep Rattanavipanon, and Gene Tsudik
- In: USENIX Security Symposium 2020
- Download: paper
2019
[USENIX Sec’19] VRASED: A Verified Hardware/Software Co-Design for Remote Attestation
- Authors: Ivan De Oliveira Nunes, Karim Eldefrawy, Michael Steiner, Norrathep Rattanavipanon, and Gene Tsudik
- In: USENIX Security Symposium 2019
- Download: paper
[ICCAD’19] PURE: Using Verified Remote Attestation to Obtain Proofs of Update, Reset and Erasure in Low-End Embedded Systems
- Authors: Ivan De Oliveira Nunes, Karim Eldefrawy, Norrathep Rattanavipanon, and Gene Tsudik
- In: ACM/IEEE ICCAD 2019
- Download: paper
[ICDCS’19] Towards Systematic Design of Collective Remote Attestation Protocols
- Authors: Ivan De Oliveira Nunes, Ghada Dessouky, Ahmad Ibrahim, Norrathep Rattanavipanon, Ahmad-Reza Sadeghi and Gene Tsudik
- In: IEEE ICDCS 2019
- Download: paper
[FGCS’19] SNUSE: A Secure Computation Approach for Large-Scale User Re-Enrollment in Biometric Authentication Systems
- Authors: Ivan De Oliveira Nunes; Karim Eldefrawy; Tancrede Lepoint
- In: Future Generation Computer Systems 2019
- Download: paper
2018
[ACNS’18] KRB-CCN: Lightweight Authentication & Access Control for Private Content-Centric Networks
- Authors: Ivan De Oliveira Nunes and Gene Tsudik
- In: ACNS 2018
- Download: paper
[CSCML’18] Secure Non-Interactive User Re-Enrollment in Biometrics-based Identification and Authentication Systems
- Authors: Ivan De Oliveira Nunes; Karim Eldefrawy; Tancrede Lepoint
- In: CSCML 2018
- Download: paper
[IEEE ComMag’18] Combining Spatial and Social Awareness in D2D Opportunistic Routing
- Authors: Ivan O. Nunes; Clayson Celes; Pedro O. S. Vaz de Melo; Antonio A. F. Loureiro
- In: IEEE Communications Magazine 2018
- Download: paper
2017
[LCN’17] Namespace Tunnels in Content-Centric Networks
- Authors: Ivan De Oliveira Nunes; Gene Tsudik; Christopher Wood
- In: IEEE LCN 2017
- Download: paper
[MSWIM’17] GRM: Group Regularity Mobility Model
- Authors: Ivan O. Nunes; Clayson Celes; Michael Silva; Pedro O. S. Vaz de Melo; Antonio A. F. Loureiro
- In: ACM MSWIM 2017
- Download: paper
[ComNet’17] GROUPS-NET: Group Meetings Aware Routing in Multi-Hop D2D Networks
- Authors: Ivan O. Nunes; Clayson Celes; Pedro O. S. Vaz de Melo; Antonio A. F. Loureiro
- In: Computer Networks 2017
- Download: paper
[ISCC’17] ST-Drop: A Novel Buffer Management Strategy for D2D Opportunistic Networks
- Authors: Michael D. Silva; Ivan O. Nunes; Raquel A. F. Mini; Antonio A. F. Loureiro
- In: IEEE ISCC 2017
- Download: paper
2016
[SenSys’16] AoT: Authentication and Access Control for the Entire IoT Device Life-Cycle
- Authors: Antonio Lemos Maia Neto; Artur Luis Fernandes; Ítalo Cunha; Michele Nogueira; Ivan Oliveira Nunes;
Leonardo Cotta; Nicolas Gentille; Antonio A. F. Loureiro; Diego F. Aranha; Harsh Kupwade Patil; Leonardo B. Oliveira
- In: ACM SenSys 2016
- Download: paper
[IEEE WCM’16] Leveraging D2D Multi-Hop Communication Through Social Group Meetings Awareness
- Authors: Ivan O. Nunes; Pedro O. S. Vaz de Melo; Antonio A. F. Loureiro
- In: IEEE Wireless Communications 2016
- Download: paper
[ICC’16] Group Mobility: Detection, Tracking and Characterization
- Authors: Ivan De Oliveira Nunes ; Pedro O. S. Vaz de Melo; Antonio A. F. Loureiro
- In: IEEE ICC 2016
- Download: paper
2015
[SBRC (workshops)’15] Fault Tolerance in Strongly Minimum Energy Topology with MLD: A Distributed, Energy Efficient yet Simple Protocol
- Authors: Ivan Oliveira Nunes ; Luiz F. M. Vieira; Antonio A. F. Loureiro
- In: SBRC (Workshops) 2015
- Download: paper
[SBRC (workshops)’15] Designing a Low Cost Home WSN for Remote Energy Monitoring and Eletronic Devices Control
- Authors: Ivan Oliveira Nunes ; Magnos Martinello; Antonio A. F. Loureiro
- In: SBRC (Workshops) 2015
- Download: paper