WikiLeaks

Summary

WikiLeaks (ˈwɪkiliːks) is a publisher and media organisation founded in 2006. It operates as a non-profit and is funded by donations and media partnerships. It has published classified documents and other media provided by anonymous sources. It was founded by Julian Assange, an Australian editor, publisher, and activist, who is currently challenging extradition to the United States over his work with WikiLeaks. Since September 2018, Kristinn Hrafnsson has served as its editor-in-chief. Its website states that it has released more than ten million documents and associated analyses. WikiLeaks' most recent publication was in 2021 and its most recent publication of original documents was in 2019. Beginning in November 2022, many of the documents could not be accessed. WikiLeaks has released document caches and media that exposed serious violations of human rights and civil liberties. They released footage, that WikiLeaks entitled Collateral Murder, filmed durin

Official source

https://en.wikipedia.org/wiki/WikiLeaks

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Method and device for proving his identity

Ioana Cristina Carlson, Serge Vaudenay

The invention is related to a method allowing a prover holding a secret key (x) to prove its identity to a verifier and to prove to this verifier that he is within a predetermined distance of this verifier, said method comprising an initialization phase during which: the prover picks a first nonce (Np) and communicates this first nonce to the verifier; the verifier picks a first random vector (a), a leak function (Lμ), and a second nonce (Nv); the verifier uses said leak function (Lμ) to compute a modified secret (x′) depending on the leak (Lμ(x)) of said secret; the verifier transmits to said prover said leak function and said second nonce; the prover retrieves said first random vector and said modified secret, wherein said first random vector and said modified secret are used by said prover for computing responses (ri) to challenges (ci).

2015

2018

Chasing Leaks in a Water Distribution Network by Solving Prize-Collecting Steiner Arborescence Problems

Thomas Liebling

We consider the problem of optimizing a novel acoustic leakage detection system for an urban water distribution network composed of a number of detectors and transponders to be placed in a choice of hydrants such as to provide a desired covering under given budget restrictions. The problem is modeled as a particular Prize Collecting Steiner Arborescence Problem. We present a branch and cut and bound approach taking advantage of the special structure at hand which performs well when compared to other approaches. Furthermore, using a suitable stopping criterion, we obtain approximations of provably excellent quality (in most cases actually optimal solutions). The test bed includes the real water distribution network from the Lausanne region as well as carefully randomly generated realistic instances.