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Anaïs Barthoulot

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Articles

Cryptographic Accumulators: New Definitions, Enhanced Security, and Delegatable Proofs

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By Anaïs Barthoulot, Olivier Blazy, Ecole Polytechnique, Sébastien Canard
| hal.science
Cryptographic Accumulators: New Definitions, Enhanced Security, and Delegatable Proofs Mots clés Cryptographic accumulators Dual pairing vector spaces Security reductions Cryptographic accumulators Dual pairing vector spaces Security reductions
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Dually Computable Cryptographic Accumulators and Their Application to Attribute Based Encryption

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By Anaïs Barthoulot, Olivier Blazy, Sébastien Canard, Université de Limoges
| eprint.iacr.org
Paper 2023/1277 , Université de Limoges, XLIM , Computer Science Laboratory of the École Polytechnique , Télécom Paris In 1993, Benaloh and De Mare introduced cryptographic accumulator, a primitive that allows the representation of a set of values by a short object (the accumulator) and offers the possibility to prove that some input values are in the accumulator. For this purpose, so-called asymmetric accumulators require the creation of an additional cryptographic object, called a witness.
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(Augmented) Broadcast Encryption from Identity Based Encryption with Wildcard

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By Olivier Blazy, Sébastien Canard, Université de Limoges, Anaïs Barthoulot
| eprint.iacr.org
Paper 2022/1192 (Augmented) Broadcast Encryption from Identity Based Encryption with Wildcard , Orange (France), Université de Limoges, XLIM , Computer Science Laboratory of the École Polytechnique , Orange (France) Abstract Several broadcast encryption (BE) constructions have been proposed since Fiat and Naor introduced the concept, some achieving short parameters size while others achieve better security.
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