Publications de Martin Vuagnoux

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On the Effectiveness of Time Travel to Inject COVID-19 Alerts

Serge Vaudenay, Martin Vuagnoux

Digital contact tracing apps allow to alert people who have been in contact with people who may be contagious. The Google/Apple Exposure Notification (GAEN) system is based on Bluetooth proximity estimation. It has been adopted by many countries around the ...

Springer, Cham2021

Tornado Attack on RC4 with Applications to WEP & WPA

Serge Vaudenay, Martin Vuagnoux, Pouyan Sepehrdad, Petr Susil

In this paper, we construct several tools for building and manipulating pools of biases in the analysis of RC4. We report extremely fast and optimized active and passive attacks against IEEE 802.11 wireless communication protocol WEP and a key recovery and ...

2015

Statistical Attack on RC4: Distinguishing WPA

Serge Vaudenay, Martin Vuagnoux, Pouyan Sepehrdad

In this paper we construct several tools for manipulating pools of biases in the analysis of RC4. Then, we show that optimized strategies can break WEP based on 4000 packets by assuming that the first bytes of plaintext are known for each packet. We descri ...

Springer2011

An Improved Technique to Discover Compromising Electromagnetic Emanations

Martin Vuagnoux, Sylvain Pasini

The techniques generally used to detect compromising emanations are based on a wide-band receiver tuned on a specific frequency or a spectral analyzer with a limited bandwidth. However, these methods may not be optimal since a significant amount of informa ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Discovery and Exploitation of New Biases in RC4

Serge Vaudenay, Martin Vuagnoux, Pouyan Sepehrdad

In this paper, we present several weaknesses in the stream cipher RC4. First, we present a technique to automatically reveal linear correlations in the PRGA of RC4. With this method, 48 new exploitable correlations have been discovered. Then we bind these ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2010

Compromising Electromagnetic Emanations of Wired and Wireless Keyboards

Martin Vuagnoux, Sylvain Pasini

Computer keyboards are often used to transmit confidential data such as passwords. Since they contain electronic components, keyboards eventually emit electromagnetic waves. These emanations could reveal sensitive information such as keystrokes. The techni ...

USENIX Association2009

About Machine-Readable Travel Documents

Serge Vaudenay, Martin Vuagnoux, Jean Monnerat

Passports are now equipped with RFID chips that contain private information, biometric data, and a digital signature by issuing authorities. We review most of applicable security and privacy issues. We argue that the main privacy issue is not unauthorized ...

Springer2007

Passive-Only Key Recovery Attacks on RC4

Serge Vaudenay, Martin Vuagnoux

We present several weaknesses in the key scheduling algorithm of RC4 when the secret key contains an initialization vector - a cryptographic scheme typically used by the WEP and WPA protocols to protect IEEE 802.11 wireless communications. First, we show h ...

Springer2007

Martin Vuagnoux

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SwissCovid in the Perspective of Its Goals

On the Effectiveness of Time Travel to Inject COVID-19 Alerts

Tornado Attack on RC4 with Applications to WEP & WPA

Statistical Attack on RC4: Distinguishing WPA

Computer Aided Cryptanalysis from Ciphers to Side Channels

An Improved Technique to Discover Compromising Electromagnetic Emanations

Discovery and Exploitation of New Biases in RC4

Compromising Electromagnetic Emanations of Wired and Wireless Keyboards

About Machine-Readable Travel Documents

Passive-Only Key Recovery Attacks on RC4

Discovery and Exploitation of New Biases in RC4

Computer Aided Cryptanalysis from Ciphers to Side Channels

Tornado Attack on RC4 with Applications to WEP & WPA

Statistical Attack on RC4: Distinguishing WPA

About Machine-Readable Travel Documents

SwissCovid in the Perspective of Its Goals

Compromising Electromagnetic Emanations of Wired and Wireless Keyboards

An Improved Technique to Discover Compromising Electromagnetic Emanations

On the Effectiveness of Time Travel to Inject COVID-19 Alerts

Passive-Only Key Recovery Attacks on RC4