DAGS: Key encapsulation using dyadic GS codes

Gustavo Banegas, Paulo S.L.M. Barreto, Brice Odilon Boidje, Pierre Louis Cayrel, Gilbert Ndollane Dione, Kris Gaj, Cheikh Thiécoumba Gueye, Richard Haeussler, Jean Belo Klamti, Ousmane N'Diaye, Duc Tri Nguyen, Edoardo Persichetti, Jefferson E. Ricardini

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)
40 Downloads (Pure)

Abstract

Code-based cryptography is one of the main areas of interest for NIST's Post-Quantum Cryptography Standardization call. In this paper, we introduce DAGS, a Key Encapsulation Mechanism (KEM) based on quasi-dyadic generalized Srivastava codes. The scheme is proved to be IND-CCA secure in both random oracle model and quantum random oracle model. We believe that DAGS will offer competitive performance, especially when compared with other existing code-based schemes, and represent a valid candidate for post-quantum standardization.

Original languageEnglish
Pages (from-to)221-239
Number of pages19
JournalJournal of Mathematical Cryptology
Volume12
Issue number4
DOIs
Publication statusPublished - 1 Dec 2018

Keywords

  • code-based cryptography
  • key exchange
  • Post-quantum cryptography

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