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759 results

• • Seminar

  • SoSysec

  How to decrypt without keys with GlobalPlatform SCP02 protocol

  • July 06, 2018

  • Inria Center of the University of Rennes - - See the page of each talk for the room.

  Speaker : par Loic Ferreira (Orange Labs, IRISA)

  The GlobalPlatform SCP02 protocol is a security protocol implemented in smart cards, and used by transport companies, in the banking world and by mobile network operators (UICC/SIM cards). We describe how to perform a padding oracle attack against SCP02. The attack allows an adversary to efficiently retrieve plaintext bytes from an encrypted data field. We provide results of our experiments done[…]

• • Seminar

  • SoSysec

  Breaking and fixing HB+DB: A Short Tale of Provable vs Experimental Security and Lightweight Designs

  • February 02, 2018

  • Inria Center of the University of Rennes - - See the page of each talk for the room.

  Speaker : Ioana Boureanu (University of Surrey)

  HB+ is a well-know authentication scheme purposely designed to be lightweight. However, HB+ is vulnerable to a key-recovery, man-in-the-middle (MiM) attack dubbed GRS. To this end, at WiSec2015, the HB+DB protocol added a distance-bounding dimension to HB+, which was experimentally shown to counteract the GRS attack.In this talk, we will exhibit however a number of security flaws in the HB+DB[…]

• • Seminar

  • SoSysec

  Voting : You Can’t Have Privacy without Individual Verifiability

  • March 01, 2019

  • Inria Center of the University of Rennes - - See the page of each talk for the room.

  Speaker : Joseph Lallemand (Loria)

  Electronic voting typically aims at two main security goals: vote privacy and verifiability. These two goals are often seen as antagonistic and some national agencies even impose a hierarchy between them: first privacy, and then verifiability as an additional feature. Verifiability typically includes individual verifiability (a voter can check that her ballot is counted); universal verifiability […]

• • Seminar

  • SoSysec

  Binary Edwards Curves for intrinsically secure ECC implementations for the IoT

  • September 07, 2018

  • Inria Center of the University of Rennes - - See the page of each talk for the room.

  Speaker : Antoine Loiseau (CEA)

  Even if recent advances in public key cryptography tend to focus on algorithms able to survive the post quantum era, at present, there is a urgent need to propose fast, low power and securely implemented cryptography to address the immediate security challenges of the IoT. In this talk, we present a new set of Binary Edwards Curves which have been defined to achieve the highest security levels (up[…]

• • Seminar

  • SoSysec

  DroidGuard: A Deep Dive into SafetyNet

  • January 06, 2023

  • Inria Center of the University of Rennes - - See the page of each talk for the room.

  Speaker : Romain Thomas (Quarkslab)

  SafetyNet is the Android component developed by Google to verify the devices’ integrity. These checks are used by the developers to prevent running applications on devices that would not meet security requirements but it is also used by Google to prevent bots, fraud and abuse.In 2017, Collin Mulliner & John Kozyrakis made one of the first public presentations about SafetyNet and a glimpse into the[…]

• • Seminar

  • SoSysec

  Browser fingerprinting: past, present and possible future

  • January 21, 2022

  • Inria Center of the University of Rennes - - See the page of each talk for the room.

  Speaker : Pierre Laperdrix (CRIStAL)

  Browser fingerprinting has grown a lot since its debut in 2010. By collecting specific information in the browser, one can learn a lot about a device and its configuration. It has been shown in previous studies that it can even be used to track users online, bypassing current tracking methods like cookies. In this presentation, we will look at how this technique works and present an overview of[…]