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http://dx.doi.org/10.7471/ikeee.2019.23.1.200

A Study on NTRUSign security to prevent script attacks  

Bae, Sung-Hyun (Dept. of Aviations Information & Communication, KyungWoon University)
Jeong, Jong-hyeog (Dept. of Aviations Information & Communication, KyungWoon University)
Publication Information
Journal of IKEEE / v.23, no.1, 2019 , pp. 200-206 More about this Journal
Abstract
Recently, there is a growing preference for a fast and secure cryptographic protocol that is applicable to Internet of things environments. Among the lattice-based cryptographic algorithms, the NTRU cryptosystem is secure by virtue of the shortest vector problem (SVP) and the closest problem(CVP), which is a problem of finding very short vectors and closest vector. NTRUSign, an electronic signature based on this cryptographic algorithm, has been proposed and proved unsafe for script attacks. In this paper, we propose a security protocol using a symmetric key algorithm by securing a shared key using key exchange. Therefore, the attacker can not compute the key value and intends to propose a more secure digital signature.
Keywords
NTRUSign; SVP; CVP; script attacks; finite field;
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