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Universite Bordeaux 1
(17 results)-
White Papers
A Declarative Approach for Easy Specification and Automated Enforcement of Security Policy
February 1, 2008, 12:00am PST
A security policy presents a critical component of the overall security architecture and an essential basis on which an effective and comprehensive security program can be developed. Although,...
Provided by Universite Bordeaux 1
-
White Papers
Manuscript Preparation Guidelines for International Journal of Computer Science and Security
February 2, 2010, 12:00am PST
In this paper, a new variant of cryptographic schemes based on error coding is studied. Random based techniques allow to design large families of chained codes. Therefore, in principle, such codes...
Provided by Universite Bordeaux 1
-
White Papers
Architecture for Cooperative Prefetching in P2P Video-on-Demand System
May 1, 2010, 12:00am PDT
Most P2P VoD schemes focused on service architectures and overlays optimization without considering segments rarity and the performance of prefetching strategies. As a result, they cannot better...
Provided by Universite Bordeaux 1
-
White Papers
A Secured Service Level Negotiation in Ubiquitous Environments
August 1, 2009, 12:00am PDT
The goal of the ubiquitous connectivity is to enable mobile users to be permanently and transparently connected to the Internet. These mobile users are often connected via wireless networks like...
Provided by Universite Bordeaux 1
-
Whitepapers
Power Scheduling for Distributed Estimation in Cluster-Based Wireless Sensor Networks
May 24, 2012, 12:00am PDT
This paper deals with distributed estimation problem in hierarchical wireless sensor networks, where the network is divided into spatially disjoint groups called clusters. The sensors in each...
Provided by Universite Bordeaux 1
-
Whitepapers
A Novel Class of Iterative Approximation Methods for DSL Spectrum Optimization
May 24, 2012, 12:00am PDT
Spectrum optimization is a promising means to tackle the crosstalk problem in DSL systems, and corresponds to a challenging non-convex optimization problem. Iterative Convex Approximation (ICA)...
Provided by Universite Bordeaux 1
-
Whitepapers
Multiaccess Channel with Partially Cooperating Encoders and Security Constraints
May 30, 2012, 12:00am PDT
The authors study a special case of Willems's two-user multi-access channel with partially cooperating encoders from a security perspective. This model differs from Willems's setup in that only...
Provided by Universite Bordeaux 1
-
Whitepapers
Discarding the Endpoints Makes the Cryptanalytic Time-Memory Trade-Offs Even Faster
December 4, 2012, 12:00am PST
Cryptanalytic time-memory trade-offs were introduced by Hellman in 1980 in order to perform key-recovery attacks on cryptosystems. A major advance was presented at Crypto 2003 by Oechslin, with...
Provided by Universite Bordeaux 1
-
Whitepapers
Security Evaluations Beyond Computing Power How to Analyze Side-Channel Attacks You Cannot Mount?
October 10, 2012, 12:00am PDT
Concrete security evaluations are at the core of cryptographic research. Taking the example of symmetric cryptography, they are at the same time central in formal definitions of security (e.g. as...
Provided by Universite Bordeaux 1
-
Whitepapers
Group Signatures with Almost-for-Free Revocation
August 7, 2012, 12:00am PDT
Group signatures are a central cryptographic primitive where users can anonymously and accountably sign messages in the name of a group they belong to. Several efficient constructions with...
Provided by Universite Bordeaux 1
-
Whitepapers
Bounds on the Capacity of the Relay Channel with Noncausal State at the Source
August 21, 2012, 12:00am PDT
The authors consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the...
Provided by Universite Bordeaux 1
-
Whitepapers
On Multiaccess Channel With Unidirectional Cooperation and Security Constraints
July 11, 2012, 12:00am PDT
The authors study a special case of Willems's two-user multi-access channel with partially cooperating encoders from a security perspective. This model differs from Willems's setup in the...
Provided by Universite Bordeaux 1
-
Whitepapers
Bounds on the Capacity of the Relay Channel With Noncausal State Information at Source
June 22, 2010, 12:00am PDT
The authors consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the...
Provided by Universite Bordeaux 1
-
Whitepapers
On the Capacity of a Class of Relay Channels with Orthogonal Components and Noncausal State Information at Source
May 27, 2010, 12:00am PDT
The authors study the capacity of a class of state-controlled relay channels with orthogonal channels from the source to the relay and from the source and relay to the destination. The channel...
Provided by Universite Bordeaux 1
-
Whitepapers
Rate Regions for the Partially-Cooperative Relay Broadcast Channel with Non-causal Side Information
June 18, 2007, 12:00am PDT
In this paper, the authors consider a Partially Co-operative Relay Broadcast Channel (PC-RBC) controlled by random parameters. They provide rate regions for two different situations: when Side...
Provided by Universite Bordeaux 1
-
Whitepapers
Dynamic Channel Modeling at 2.4 GHz for On-Body Area Networks
December 27, 2011, 12:00am PST
In wireless body area networks, on-body radio propagation channels are typically time-varying, because of the frequent body movements. The dynamic local body scattering dominates the temporal and...
Provided by Universite Bordeaux 1
-
White Papers
Efficient Shared Memory Message Passing for Inter-VM Communications
March 17, 2009, 12:00am PDT
Thanks to recent advances in virtualization technologies, it is now possible to benefit from the flexibility brought by virtual machines at little cost in terms of CPU performance. However on HPC...
Provided by Universite Bordeaux 1
-
Whitepapers
Dynamic Channel Modeling at 2.4 GHz for On-Body Area Networks
December 27, 2011, 12:00am PST
In wireless body area networks, on-body radio propagation channels are typically time-varying, because of the frequent body movements. The dynamic local body scattering dominates the temporal and...
Provided by Universite Bordeaux 1
-
Whitepapers
Rate Regions for the Partially-Cooperative Relay Broadcast Channel with Non-causal Side Information
June 18, 2007, 12:00am PDT
In this paper, the authors consider a Partially Co-operative Relay Broadcast Channel (PC-RBC) controlled by random parameters. They provide rate regions for two different situations: when Side...
Provided by Universite Bordeaux 1
-
Whitepapers
On the Capacity of a Class of Relay Channels with Orthogonal Components and Noncausal State Information at Source
May 27, 2010, 12:00am PDT
The authors study the capacity of a class of state-controlled relay channels with orthogonal channels from the source to the relay and from the source and relay to the destination. The channel...
Provided by Universite Bordeaux 1
-
Whitepapers
Bounds on the Capacity of the Relay Channel With Noncausal State Information at Source
June 22, 2010, 12:00am PDT
The authors consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the...
Provided by Universite Bordeaux 1
-
Whitepapers
On Multiaccess Channel With Unidirectional Cooperation and Security Constraints
July 11, 2012, 12:00am PDT
The authors study a special case of Willems's two-user multi-access channel with partially cooperating encoders from a security perspective. This model differs from Willems's setup in the...
Provided by Universite Bordeaux 1
-
Whitepapers
Bounds on the Capacity of the Relay Channel with Noncausal State at the Source
August 21, 2012, 12:00am PDT
The authors consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the...
Provided by Universite Bordeaux 1
-
Whitepapers
Group Signatures with Almost-for-Free Revocation
August 7, 2012, 12:00am PDT
Group signatures are a central cryptographic primitive where users can anonymously and accountably sign messages in the name of a group they belong to. Several efficient constructions with...
Provided by Universite Bordeaux 1
-
Whitepapers
Security Evaluations Beyond Computing Power How to Analyze Side-Channel Attacks You Cannot Mount?
October 10, 2012, 12:00am PDT
Concrete security evaluations are at the core of cryptographic research. Taking the example of symmetric cryptography, they are at the same time central in formal definitions of security (e.g. as...
Provided by Universite Bordeaux 1
-
Whitepapers
Discarding the Endpoints Makes the Cryptanalytic Time-Memory Trade-Offs Even Faster
December 4, 2012, 12:00am PST
Cryptanalytic time-memory trade-offs were introduced by Hellman in 1980 in order to perform key-recovery attacks on cryptosystems. A major advance was presented at Crypto 2003 by Oechslin, with...
Provided by Universite Bordeaux 1
-
Whitepapers
Multiaccess Channel with Partially Cooperating Encoders and Security Constraints
May 30, 2012, 12:00am PDT
The authors study a special case of Willems's two-user multi-access channel with partially cooperating encoders from a security perspective. This model differs from Willems's setup in that only...
Provided by Universite Bordeaux 1
-
Whitepapers
A Novel Class of Iterative Approximation Methods for DSL Spectrum Optimization
May 24, 2012, 12:00am PDT
Spectrum optimization is a promising means to tackle the crosstalk problem in DSL systems, and corresponds to a challenging non-convex optimization problem. Iterative Convex Approximation (ICA)...
Provided by Universite Bordeaux 1
-
Whitepapers
Power Scheduling for Distributed Estimation in Cluster-Based Wireless Sensor Networks
May 24, 2012, 12:00am PDT
This paper deals with distributed estimation problem in hierarchical wireless sensor networks, where the network is divided into spatially disjoint groups called clusters. The sensors in each...
Provided by Universite Bordeaux 1
-
White Papers
Efficient Shared Memory Message Passing for Inter-VM Communications
March 17, 2009, 12:00am PDT
Thanks to recent advances in virtualization technologies, it is now possible to benefit from the flexibility brought by virtual machines at little cost in terms of CPU performance. However on HPC...
Provided by Universite Bordeaux 1
-
White Papers
A Secured Service Level Negotiation in Ubiquitous Environments
August 1, 2009, 12:00am PDT
The goal of the ubiquitous connectivity is to enable mobile users to be permanently and transparently connected to the Internet. These mobile users are often connected via wireless networks like...
Provided by Universite Bordeaux 1
-
White Papers
Architecture for Cooperative Prefetching in P2P Video-on-Demand System
May 1, 2010, 12:00am PDT
Most P2P VoD schemes focused on service architectures and overlays optimization without considering segments rarity and the performance of prefetching strategies. As a result, they cannot better...
Provided by Universite Bordeaux 1
-
White Papers
Manuscript Preparation Guidelines for International Journal of Computer Science and Security
February 2, 2010, 12:00am PST
In this paper, a new variant of cryptographic schemes based on error coding is studied. Random based techniques allow to design large families of chained codes. Therefore, in principle, such codes...
Provided by Universite Bordeaux 1
-
White Papers
A Declarative Approach for Easy Specification and Automated Enforcement of Security Policy
February 1, 2008, 12:00am PST
A security policy presents a critical component of the overall security architecture and an essential basis on which an effective and comprehensive security program can be developed. Although,...
Provided by Universite Bordeaux 1
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