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701 résultats
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Séminaire
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SemSecuElec
Calibration Done Right: Noiseless Flush+Flush Attacks
Orateur : Guillaume Didier
Caches leak information through timing measurements and so-called side-channel attacks. Several primitives exist with different requirements and trade-offs. Flush+Flush is a stealthy and fast cache attack primitive that uses the timing of the clflush instruction depending on the presence of a line in the cache. However, the CPU interconnect plays a bigger role than thought in these timings, and[…] -
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Séminaire
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SemSecuElec
TRAITOR : a multi clock-glitch attack platform reproducing EMI effects at low-cost
Orateur : Ludovic Claudepierre
Electromagnetic injection (EMI) is a common and non-invasive technique used to perform fault attacks. In that case, an electromagnetic wave is radiated by an antenna in the close vicinity of the targeted microcontroller (STM32 in our case).The clock signal is generated thanks to a Phase-Locked-Loop (PLL). The PLL is highly sensitive to EMI and then induces severe disruption on the clock signal[…] -
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Séminaire
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SemSecuElec
Unique CAD-compatible SCA-security mechanisms, externally amplified coupling (EAC) attacks and (some) connection
Orateur : Itamar Levi
In this seminar I will first discuss unique computer aided design (CAD) compatible SCA security mechanisms. I will present an approach which can significantly increase the physical security-level of a design, be implemented with conventional design-tools and which does not require any special technological-support. The method consists with a correct by-design utilization of power-management[…] -
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Séminaire
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SemSecuElec
Bridging Deep Learning and Classical Profiled Side-Channel Attacks
Orateur : Gabriel Zaid
Over the recent years, the cryptanalysis community leveraged the potential of research on Deep Learning to enhance attacks. In particular, several studies have recently highlighted the benefits of Deep Learning based Side-Channel Attacks (DLSCA) to target real-world cryptographic implementations. While this new research area on applied cryptography provides impressive result to recover a secret[…] -
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Séminaire
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SemSecuElec
Challenges related to random number generation for cryptographic applications
Orateur : Elie Noumon Allini
The main purpose of cryptography is to ensure secure communication. In order to achieve this goal, cryptographic schemes make an intensive use of random numbers. Given that the security of these schemes highly depends on these numbers, it is important to produce high-quality random numbers. Knowing that most cryptographic modules are nowadays implemented in logic devices, we investigated True[…] -
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Séminaire
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SemSecuElec
HardBlare, a hardware/software co-design approach for Information Flow Control
Orateur : Guillaume Hiet – Pascal Cotret
One way to increase the security level of computer systems is to rely on both software and hardware mechanisms. In this context, the HardBlare project proposes a software hardware co-design methodology to ensure that security properties are preserved all along the execution of the system but also during file storage. The HardBlare project is a multidisciplinary project between CentraleSupélec IETR[…] -