National Security Agency

Applied sciences
Génie informatique
Sécurité des systèmes d'inf...
Cryptographie asymétrique

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Publications associées (25)

A Lightweight Cryptographic System for Implantable Biosensors

Giovanni De Micheli, Sandro Carrara, Seyedeh Sara Ghoreishizadeh, Wayne Burleson, Tolga Yalçin

This paper presents a lightweight cryptographic system integrated onto a multi-function implantable biosensor prototype. The resulting heterogeneous system provides a unique and fundamental capability by immediately encrypting and signing the sensor data u ...

2014

Improved Linear Cryptanalysis of Reduced-Round MIBS

Serge Vaudenay, Asli Bay, Jialin Huang

MIBS is a 32-round lightweight block cipher with 64-bit block size and two different key sizes, namely 64-bit and 80-bit keys. Bay et al. provided the first impossible differential, differential and linear cryptanalyses of MIBS. Their best attack was a lin ...

Springer2014

MediaEval 2014 Visual Privacy Task: Geometrical Privacy Protection Tool

Touradj Ebrahimi

This paper describes EPFL privacy protection tool for the MediaEval 2014 Visual Privacy task. The goal of the task is to obscure faces, body silhouettes, and personal items of people in the provided surveillance clips to preserve their personal privacy. Th ...

2014

Secure & Lightweight Distance-Bounding

Serge Vaudenay, Aikaterini Mitrokotsa, Ioana Cristina Carlson

Distance-bounding is a practical solution to be used in security-sensitive contexts, mainly to prevent relay attacks. The main challenge when designing such protocols is maintaining their inexpensive cryptographic nature, whilst being able to protect again ...

2013

Scalable and Secure Polling in Dynamic Distributed Networks

Rachid Guerraoui, Anne-Marie Kermarrec, Hamza Harkous, Florian Huc

We consider the problem of securely conducting a poll in synchronous dynamic networks equipped with a Public Key Infrastructure (PKI). Whereas previous distributed solutions had a communication cost of O(n^2) in an n nodes system, we present SPP (Secure an ...

2012

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