Description
libecc is a software library for elliptic curves based cryptography (ECC), with an API supporting signature algorithms specified in the ISO14888-3 standard.
Advanced usages of this library also include the possible implementation of elliptic curve based Diffie-Hellman protocols as well as any algorithm on top of prime fields based elliptic curves (or prime fields, or rings of integers).
The presentation will introduce the rationale behind the development of libecc, as well as its architecture. Compared to other cryptographic libraries providing similar features, the differentiating points are a focus on code simplicity, portability, and auditability (self-contained and pure C99 code); a clean layer separation for all needed mathematical abstractions and operations; and a security over performance motivation (with endeavour to offer decent throughput in addition to moderate RAM and ROM memory footprints).
Though some efforts have been made to have (most of) the core algorithms constant time, turning libecc into a library shielded against side-channel attacks (SCA) is still a work in progress. The choices that have been made to resist against SPA and DPA will be contextualized and discussed.
Finally, concrete examples of libecc integration in both internal and external projects will be examined.
Infos pratiques
Prochains exposés
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Chamois: Formally verified compilation for optimisation and security
Orateur : David MONNIAUX - CNRS - Verimag
Embedded programs (including those on smart cards) are often developed in C and then compiled for the embedded processor. Sometimes they are modified by hand to incorporate countermeasures (fault attacks, etc.), but care must be taken to ensure that this does not disrupt normal program execution and that the countermeasure is actually adequate for blocking the attacks.In the process, it is[…]-
SemSecuElec
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Fault injection
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Formal methods
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Security of Smart Dust: Robust Key Derivation for Single-Chip Systems
Orateur : Sara Faour - Inria
The Smart Dust vision seeks to enable large networks of millimeter-scale wireless sensor nodes that tightly integrate sensing, computation, communication, and power management into a single-chip device. Establishing a robust hardware root of trust for such devices remains challenging, particularly in single, low-cost chip manufacturing processes that lack embedded writable Non-Volatile Memory (NVM[…] -
Securing processor's microarchitecture against SCA in a post-quantum cryptography setting
Orateur : Vincent MIGLIORE - LAAS-CNRS
Hardware microarchitecture is a well-known source of side-channel leakages, providing a notable security reduction of standard cryptographic algorithms (e.g. AES) if not properly addressed by software or hardware. In this talk, we present new design approaches to harden processor's microarchitecture against power-based side-channel attacks, relying on configurable and cascadable building blocks[…]-
SemSecuElec
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Side-channel
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Micro-architectural vulnerabilities
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Onysis: A secure European SoC FPGA
Orateur : Adrien GRASSEIN - Nanoxplore
Developed in collaboration with the DGA, the Onysis project introduces a European SoC FPGA designed to embed advanced hardware security features. This presentation will provide an overview of the Onysis architecture, focusing specifically on its native mechanisms to protect critical systems. We will detail the implementation of its integrated security subsystem, covering the secure boot sequence[…]-
SemSecuElec
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