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liboqs/docs/algorithms/kem/hqc.md
Douglas Stebila 1d08c9d6ab
Sync with PQClean (#817) 
* Sync with PQClean

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* Update commit in documentation
2020-09-10 18:16:18 -04:00

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HQC

  • Algorithm type: key encapsulation mechanism
  • Main cryptographic assumption: Syndrome decoding of structure codes (Hamming Quasi-Cyclic)
  • Scheme authors: Carlos Aguilar Melchor, Nicolas Aragon, Slim Bettaieb, Loïc Bidoux, Olivier Blazy, Jean-Christophe Deneuville, Philippe Gaborit, Edoardo Persichetti, Gilles Zémor
  • Authors' website: http://pqc-hqc.org
  • Version: 2019/08/24

Implementation

Parameter sets

Parameter set Security model Claimed NIST security level Public key size (bytes) Secret key size (bytes) Ciphertext size (bytes) Shared secret size (bytes)
HQC-128-1-CCA2 IND-CCA 1 3125 3165 6234 64
HQC-192-1-CCA2 IND-CCA 3 5499 5539 10981 64
HQC-192-2-CCA2 IND-CCA 3 5884 5924 11749 64
HQC-256-1-CCA2 IND-CCA 5 7989 8029 15961 64
HQC-256-2-CCA2 IND-CCA 5 8503 8543 16985 64
HQC-256-3-CCA2 IND-CCA 5 8897 8937 17777 64