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Claude Crépeau

Researcher at McGill University

Publications -  104
Citations -  22368

Claude Crépeau is an academic researcher from McGill University. The author has contributed to research in topics: Oblivious transfer & Quantum cryptography. The author has an hindex of 43, co-authored 104 publications receiving 20454 citations. Previous affiliations of Claude Crépeau include Université de Montréal & Massachusetts Institute of Technology.

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Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels

TL;DR: An unknown quantum state \ensuremath{\Vert}\ensure Math{\varphi}〉 can be disassembled into, then later reconstructed from, purely classical information and purely nonclassical Einstein-Podolsky-Rosen (EPR) correlations.
Proceedings ArticleDOI

Multiparty unconditionally secure protocols

TL;DR: It is shown that any reasonable multiparty protocol can be achieved if at least 2n/3 of the participants are honest and the secrecy achieved is unconditional.
Journal ArticleDOI

Generalized privacy amplification

TL;DR: This paper provides a general treatment of privacy amplification by public discussion, a concept introduced by Bennett, Brassard, and Robert for a special scenario, and yields results on wiretap and broadcast channels for a considerably strengthened definition of secrecy capacity.
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Minimum disclosure proofs of knowledge

TL;DR: In this article, the authors present protocols for allowing a "prover" to convince a "verifier" that the prover knows some verifiable secret information, without allowing the verifier to learn anything about the secret.