Cryptology ePrint Archive: Report 2017/1037

DAGS: Key Encapsulation using Dyadic GS Codes

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

Abstract: Code-based Cryptography is one of the main areas of interest for the 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.

Category / Keywords: Key-Encapsulation, Code-Based, Dyadic

Date: received 19 Oct 2017, last revised 28 Dec 2017

Contact author: epersichetti at fau edu

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Version: 20171228:195334 (All versions of this report)

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