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Akademický článek

Securing Sensing in Supply Chains: Opportunities, Building Blocks, and Designs

Autor: Jan Pennekamp, Fritz Alder, Lennart Bader, Gianluca Scopelliti, Klaus Wehrle, Jan Tobias Muhlberg

Publikováno v: IEEE Access, Vol 12, Pp 9350-9368 (2024)

Supply chains increasingly develop toward complex networks, both technically in terms of devices and connectivity, and also anthropogenic with a growing number of actors. The lack of mutual trust in such networks results in challenges that are exacer

Externí odkaz: https://doaj.org/article/891b141d84f546cab2889bef9e044fce

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Faulty Point Unit: ABI Poisoning Attacks on Trusted Execution Environments

Autor: David Oswald, Frank Piessens, Jesse Spielman, Fritz Alder, Jo Van Bulck

This article analyzes a previously overlooked attack surface that allows unprivileged adversaries to impact floating-point computations in enclaves through the Application Binary Interface (ABI). In a comprehensive study across 7 industry-standard an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::448cf30cddee2bedd83c1ab8cfd829eb
https://lirias.kuleuven.be/handle/20.500.12942/690444

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End-to-End Security for Distributed Event-Driven Enclave Applications on Heterogeneous TEEs

Autor: Gianluca Scopelliti, Sepideh Pouyanrad, Job Noorman, Fritz Alder, Christoph Baumann, Frank Piessens, Jan Tobias Mühlberg

This paper presents an approach to provide strong assurance of the secure execution of distributed event-driven applications on shared infrastructures, while relying on a small Trusted Computing Base. We build upon and extend security primitives prov

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f81507b996110abd421be0056c8c3abc

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Aion: Enabling Open Systems through Strong Availability Guarantees for Enclaves

Autor: Jo Van Bulck, Jan Tobias Mühlberg, Frank Piessens, Fritz Alder

Publikováno v: CCS

Embedded Trusted Execution Environments (TEEs) can provide strong security for software in the IoT or in critical control systems. Approaches to combine this security with real-time and availability guarantees are currently missing. In this paper we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e78915513128e5f76762f0d542105fe9
https://doi.org/10.1145/3460120.3484782

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POSTER: An Open-Source Framework for Developing Heterogeneous Distributed Enclave Applications

Autor: Job Noorman, Sepideh Pouyanrad, Gianluca Scopelliti, Fritz Alder, Frank Piessens, Jan Tobias Mühlberg

Publikováno v: Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications Security
CCS

We present an integrated open-source framework to develop, deploy, and use event-driven distributed enclaved applications across heterogeneous Trusted Execution Environments (TEEs). Our framework strives for strong application authenticity and integr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b72b3d650d973a8d2a587f83e1f354ec
https://lirias.kuleuven.be/handle/123456789/685462

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Faulty Point Unit: ABI Poisoning Attacks on Intel SGX

Autor: Frank Piessens, David Oswald, Fritz Alder, Jo Van Bulck

Publikováno v: ACSAC
Annual Computer Security Applications Conference

This paper analyzes a previously overlooked attack surface that allows unprivileged adversaries to impact supposedly secure floating-point computations in Intel SGX enclaves through the Application Binary Interface (ABI). In a comprehensive study acr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4573f1149d1ff87d86ee95b99c815d77
https://lirias.kuleuven.be/handle/123456789/662361

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Secure End-to-End Sensing in Supply Chains

Autor: Klaus Wehrle, Fritz Alder, Roman Matzutt, Jan Pennekamp, Jan Tobias Mühlberg, Frank Piessens

Publikováno v: CNS

Trust along digitalized supply chains is challenged by the aspect that monitoring equipment may not be trustworthy or unreliable as respective measurements originate from potentially untrusted parties. To allow for dynamic relationships along supply

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8fe414a897b091df5b9242d2eb1d641
https://doi.org/10.1109/cns48642.2020.9162337

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S-FaaS

Autor: Arseny Kurnikov, Andrew Paverd, Fritz Alder, Michael Steiner, Nadarajah Asokan

Publikováno v: CCSW@CCS

Function-as-a-Service (FaaS) is a recent and already very popular paradigm in cloud computing. The function provider need only specify the function to be run, usually in a high-level language like JavaScript, and the service provider orchestrates all

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35d93fa15a7c7bb468e5d5e0e19e1ac7
https://doi.org/10.1145/3338466.3358916

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Migrating SGX Enclaves with Persistent State

Autor: Fritz Alder, Andrew Paverd, Arseny Kurnikov, Nadarajah Asokan

Publikováno v: DSN

Hardware-supported security mechanisms like Intel Software Guard Extensions (SGX) provide strong security guarantees, which are particularly relevant in cloud settings. However, their reliance on physical hardware conflicts with cloud practices, like

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::578a3e5423419771bb5f469e4c059456
https://doi.org/10.1109/dsn.2018.00031

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