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Applications of theta functions for hyperelliptic curve cryptography.
Since the mid 1980's, abelian varieties have been widely used in cryptography: the discrete logarithm problem and the protocols that rely on it allow asymmetric... -
Dire sans dire à l'âge classique : entre langage gestuel et surcodage
International audience -
Tools' design and development for building secure component-based distributed...
The goal of this thesis is to provide models and tools to simplify secured component-based distributed systems' construction and the management of their security... -
Cryptographic protection of databases: conception and cryptanalysis
This thesis offers a detailed study of database cryptographic protection. It tackles every aspect of this domain: its surrounding legislation, commercial and... -
Arithmetic operators on GF(2m) for cryptographic applications: performance - ...
The efficiency of devices performing arithmetic operations in finite field is crucial for the efficiency of ECC systems. Regarding the dependency of the system on... -
(Non-)Interactive Proofs of Knowledge
In this thesis, we create new building blocks and use them to present new efficient protocols via a modular design. We first begin by using the Groth-Sahai methodology... -
Design, security proofs and cryptanalysis of cryptographic hash functions
This Thesis focuses on hash functions, which are used in numerous cryptographic mechanisms. We present various results, that belong to the fields of design and... -
Escaping from Babel : a Republic of Languages in search of a “Universal Langu...
During the Early Modern Age, Europe was the field of a protean quest for the universal language (researches on Adam’s language were carried out, encyclopedias of all... -
List Decoding and application to information security
This thesis studies some aspects of error-correcting codes and their applications to information security. We focused more specifically on the maximum-likelyhood and... -
Optimization methods for side channel attacks
The security of modern embedded systems has been the subject of intensive research in engineering areas. Recent threats called Side-Channel Analysis (SCA) have... -
Revisiting LFSRs for Cryptographic Applications
International audience -
Remote object authentication protocols
This thesis is dedicated to the description of several bitrsitring comparison based remote object authentication protocols and the study of their theoretical security.... -
Hommage : Roland Moreno (1945-2012)
National audience -
Nonlinear dynamics of photonic components. Chaos cryptography and multiplexing
With the rapid development of optical communications and the increasing amount of data exchanged, it has become utterly important to provide effective architectures to... -
Neuronal Crypto Système basé sur la Carte Logistique
International audience -
Low-cost countermeasures against physical attacks on cryptographic algorithms...
Side-Channel Analysis (SCA) and Fault Attacks (FA) are techniques to recover sensitive information in cryptographic systems by exploiting unintentional physical... -
Modules and logic programming
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Algebraic succession rules and Lattice paths with an infinite set of jumps
International audience -
Use of crypto based identifiers for IPv6 security
IPv6, next Internet protocol after IPv4, is under deployment in the Internet. It is strongly based on the Neighbor Discovery Protocol (NDP) mechanism. First, it allows...
