A variant of the McEliece cryptosystem with increased public key security

Abstract : We propose a new variant of the McEliece cryptosystem which ensures that the code used as the public key is not permutation-equivalent to the secret code. This allows to increase the security of the public key, and to reconsider possible adoption of classical families of codes, like Reed-Solomon codes. A reduction in the key size or, equivalently, an increased level of security against nformation set decoding are the main advantages of the modi ed cryptosystem. As a drawback, the domain of intentional error vectors must be restricted, but we show that this has no signi cant impact on the security level.
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Communication dans un congrès
WCC 2011 - Workshop on coding and cryptography, Apr 2011, Paris, France. pp.173-182, 2011
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Marco Baldi, Marco Bianchi, Franco Chiaraluce, Joachim Rosenthal, Davide Schipani. A variant of the McEliece cryptosystem with increased public key security. WCC 2011 - Workshop on coding and cryptography, Apr 2011, Paris, France. pp.173-182, 2011. 〈inria-00607772〉

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