MaTRU-KE revisited: CCA2-secure key establishment protocol based on MaTRU

被引：1

作者：

Akleylek, Sedat ^{[1
]}

Cevik, Nursah ^{[1
]}

机构：

[1] Ondokuz Mayis Univ, Dept Comp Engn, Samsun, Turkey

来源：

INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2020年 / 33卷 / 07期

关键词：

CCA-CPA security; cryptography; key exchange; MaTRU-KE; NTRU-based cryptosystems;

D O I：

10.1002/dac.4326

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Quantum attack-resistant cryptosystems are required for secure communication since there is a big demand to have quantum computers. Lattice-based cryptography is one of the quantum-secure families due to its key/ciphertext sizes and performance. NTRU-based cryptosystems, a member of lattice-based cryptosystems, have received much more attention. MaTRU, a noncommutative version of NTRU with some matrix properties, is used to obtain a key exchange protocol in 2018. In this paper, we focus on MaTRU-based key exchange protocols having CCA2 properties. We propose CCA2-secure versions of MaTRU-KE and then provide a security analysis of CCA2-secure key establishment protocols. We also provide a comparison with the previous ones.

引用

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