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Paper 2003/209

Using the Trace Operator to repair the Polynomial Reconstruction based Cryptosystem presented at Eurocrypt 2003

Daniel Augot and Matthieu Finiasz and Pierre Loidreau

Abstract

In this paper, we present a modification of the Augot-Finiasz cryptosystem presented at EUROCRYPT 2003. Coron managed to design an attack against the original cryptosystem enabling an attacker to decrypt any intercepted ciphertext efficiently. We introduce here a modification of the scheme which appears to resist to this attack. We furthermore propose parameters thwarting the state of the art attacks.

Metadata
Available format(s)
PDF PS
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Contact author(s)
Daniel Augot @ inria fr
History
2003-10-02: received
Short URL
https://ia.cr/2003/209
License
Creative Commons Attribution
CC BY
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