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- Universidade de Santiago de CompostelaES23 papers
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12 papers · 1 filter
Beating direct transmission bounds for quantum key distribution with a multiple quantum memory station
Róbert Trényi, Norbert Lütkenhaus
Overcoming repeaterless bounds for the secret key rate capacity of quantum key distribution protocols is still a challenge with current technology. D. Luong et al. [Applied Physics…
Filter Design for Delay-Based Anonymous Communications
Simon Oya, Fernando Pérez-González, Carmela Troncoso
In this work, we address the problem of designing delay-based anonymous communication systems. We consider a timed mix where an eavesdropper wants to learn the communication patter…
Understanding the Effects of Real-World Behavior in Statistical Disclosure Attacks
Simon Oya, Carmela Troncoso, Fernando Pérez-González
High-latency anonymous communication systems prevent passive eavesdroppers from inferring communicating partners with certainty. However, disclosure attacks allow an adversary to r…
A Least Squares Approach to the Static Traffic Analysis of High-Latency Anonymous Communication Systems
Fernando Pérez-González, Carmela Troncoso, Simon Oya
Mixes, relaying routers that hide the relation between incoming and outgoing messages, are the main building block of high-latency anonymous communication networks. A number of so-…
Meet the Family of Statistical Disclosure Attacks
Simon Oya, Carmela Troncoso, Fernando Pérez-González
Disclosure attacks aim at revealing communication patterns in anonymous communication systems, such as conversation partners or frequency. In this paper, we propose a framework to…
Fractional integral equations tell us how to impose initial values in fractional differential equations
Daniel Cao Labora
The goal of this work is to discuss how should we impose initial values in fractional problems to ensure that they have exactly one smooth unique solution, where smooth simply mean…