[Resource Topic] 2014/651: A note on CCA2-protected McEliece Cryptosystem with a systematic public key

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Title:
A note on CCA2-protected McEliece Cryptosystem with a systematic public key

Authors: Pavol Zajac

Abstract:

We show that the plaintext of some of the proposed CCA2 conversions of McEliece cryptosystem with a public key in systematic form can be recovered faster than with a general linear decoding. This is due to the fact that an attacker only needs to recover a part of the cleartext to decrypt the relevant plaintext.

ePrint: https://eprint.iacr.org/2014/651

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