QC-MDPC: A Timing Attack and a CCA2 KEM.

Edward Eaton,Matthieu Lequesne,Alex Parent,Nicolas Sendrier

IACR Cryptology ePrint Archive（2018）

引用 47|浏览22

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摘要

In 2013, Misoczki, Tillich, Sendrier and Barreto proposed a variant of the McEliece cryptosystem based on quasi-cyclic moderate-density parity-check (QC-MDPC) codes. This proposal uses an iterative bit-flipping algorithm in its decryption procedure. Such algorithms fail with a small probability.

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关键词

Post-Quantum Cryptography, Code-based cryptography, QC-MDPC codes, Side-channel attack, Timing attack, CCA2 security, Key encapsulation

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