Publications associées à Politique de sécurité nationale

OmniLedger: A Secure, Scale-Out, Decentralized Ledger via Sharding

Bryan Alexander Ford, Linus Gasser, Eleftherios Kokoris Kogias, Philipp Svetolik Jovanovic, Nicolas Gailly

Designing a secure permissionless distributed ledger (blockchain) that performs on par with centralized payment processors, such as Visa, is a challenging task. Most existing distributed ledgers are unable to scale-out, i.e., to grow their total processing ...

2018

Proof-of-Personhood: Redemocratizing Permissionless Cryptocurrencies

Bryan Alexander Ford, Linus Gasser, Eleftherios Kokoris Kogias, Philipp Svetolik Jovanovic, Nicolas Gailly, Maria Fernanda Borge Chavez

Permissionless blockchain-based cryptocurrencies commonly use proof-of-work (PoW) or proof-of-stake (PoS) to ensure their security, e.g. to prevent double spending attacks. However, both approaches have disadvantages: PoW leads to massive amounts of wasted ...

IEEE2017

JPEG Privacy and Security framework for social networking and GLAM services

Touradj Ebrahimi

Current image coding standards provide limited support for privacy and security features. An exception is the JPSEC standard, which defines security extensions in JPEG 2000 specifications (part 8). Notwithstanding this shortcoming, the JPEG committee is cu ...

Springer International Publishing Ag2017

Circular Security Reconsidered

Serge Vaudenay, Fatma Betül Durak

The notion of circular security of pseudorandom functions (PRF) was introduced in Distance Bounding Protocols. So far, only a construction based on a random oracle model was proposed. Circular security stands between two new notions which we call Key Depen ...

Springer International Publishing2016

Privacy and Security in the Genomic Era

Jean-Pierre Hubaux, Erman Ayday

With the help of rapidly developing technology, DNA sequencing is becoming less expensive. As a consequence, the research in genomics has gained speed in paving the way to personalized (genomic) medicine, and geneticists need large collections of human gen ...

Assoc Computing Machinery2016

Practical Private Range Search Revisited

Odysseas Papapetrou, Ioannis Demertzis

We consider a data owner that outsources its dataset to an untrusted server. The owner wishes to enable the server to answer range queries on a single attribute, without compromising the privacy of the data and the queries. There are several schemes on "pr ...

2016

Governing Cyber Security Risks and Benefits of the Internet of Things: Application to Connected Vehicles and Medical Devices

Marie-Valentine Renée Agnès Florin

Creating trust in connectivity including confidentiality, integrity and availability will be key to achieving the promises of the IoT, at least in the automotive and medical sector. Assessing vulnerability, implementing and assessing security controls, des ...

International Risk Governance Center (IRGC)2016

Side-Channel Attacks on Threshold Implementations using a Glitch Algebra

Serge Vaudenay

Threshold implementations allow to implement circuits us- ing secret sharing in a way to thwart side-channel attacks based on prob- ing or power analysis. It was proven they resist to attacks based on glitches as well. In this report, we show the limitatio ...

Springer Int Publishing Ag2016

Imprecise Security: Quality and Complexity Tradeoffs for Hardware Information Flow Tracking

Paolo Ienne, Andrew James Becker, Ryan Charles Kastner, Wei Hu

Secure hardware design is a challenging task that goes far beyond ensuring functional correctness. Important design properties such as non-interference cannot be verified on functional circuit models due to the lack of essential information (e.g., sensitiv ...

Assoc Computing Machinery2016

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Politique de sécurité nationale

OmniLedger: A Secure, Scale-Out, Decentralized Ledger via Sharding

SUNDAE: Small Universal Deterministic Authenticated Encryption for the Internet of Things

Proof-of-Personhood: Redemocratizing Permissionless Cryptocurrencies

JPEG Privacy and Security framework for social networking and GLAM services

Circular Security Reconsidered

Privacy and Security in the Genomic Era

Practical Private Range Search Revisited

Governing Cyber Security Risks and Benefits of the Internet of Things: Application to Connected Vehicles and Medical Devices

Side-Channel Attacks on Threshold Implementations using a Glitch Algebra

Imprecise Security: Quality and Complexity Tradeoffs for Hardware Information Flow Tracking

Graph Chatbot

Chattez avec Graph Search

OmniLedger: A Secure, Scale-Out, Decentralized Ledger via Sharding

JPEG Privacy and Security framework for social networking and GLAM services

Privacy and Security in the Genomic Era

Governing Cyber Security Risks and Benefits of the Internet of Things: Application to Connected Vehicles and Medical Devices

Practical Private Range Search Revisited

Side-Channel Attacks on Threshold Implementations using a Glitch Algebra

SUNDAE: Small Universal Deterministic Authenticated Encryption for the Internet of Things

Circular Security Reconsidered

Proof-of-Personhood: Redemocratizing Permissionless Cryptocurrencies

Imprecise Security: Quality and Complexity Tradeoffs for Hardware Information Flow Tracking