[Resource Topic] 2017/1037: DAGS: Key Encapsulation using Dyadic GS Codes

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DAGS: Key Encapsulation using Dyadic GS Codes

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


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.

ePrint: https://eprint.iacr.org/2017/1037

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