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

Daniel Augot; Matthieu Finiasz; Pierre Loidreau

Paper 2003/209

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

Daniel Augot, 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: CC BY

BibTeX

@misc{cryptoeprint:2003/209,
      author = {Daniel Augot and Matthieu Finiasz and Pierre Loidreau},
      title = {Using the Trace Operator to repair the Polynomial Reconstruction based Cryptosystem presented at Eurocrypt 2003},
      howpublished = {Cryptology {ePrint} Archive, Paper 2003/209},
      year = {2003},
      url = {https://eprint.iacr.org/2003/209}
}