[Resource Topic] 2003/209: Using the Trace Operator to repair the Polynomial Reconstruction based Cryptosystem presented at Eurocrypt 2003

Welcome to the resource topic for 2003/209

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

Authors: Daniel Augot, Matthieu Finiasz, 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.

ePrint: https://eprint.iacr.org/2003/209

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