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NTRU Public Key Cryptosystem and Its Optimizations

Lijie Zhao

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Abstract

The NTRU cryptosystem is a new public key cryptographic algorithm, its security is based on a hard mathematical problem of finding the shortest vector in a lattice of very high dimension. NTRU has improved the speed of PCKS significantly, which greatly prompts its wide application and become one of the best public key cryptosystem. In this paper, the basic principle of NTRU is introduced, and then the main algorithm is optimized, which makes it possible for the better application of the NTRU.

About this research paper

What this paper is about

The NTRU cryptosystem is a new public key cryptographic algorithm, its security is based on a hard mathematical problem of finding the shortest vector in a lattice of very high dimension. NTRU has improved the speed of PCKS significantly, which greatly prompts its wide application and become one of the best public key cryptosystem. In this paper, the basic principle of NTRU is introduced, and then the main algorithm is optimized, which makes it possible for the better application of the NTRU.

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Key contribution

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Method / approach

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Available abstract

The NTRU cryptosystem is a new public key cryptographic algorithm, its security is based on a hard mathematical problem of finding the shortest vector in a lattice of very high dimension. NTRU has improved the speed of PCKS significantly, which greatly prompts its wide application and become one of the best public key cryptosystem. In this paper, the basic principle of NTRU is introduced, and then the main algorithm is optimized, which makes it possible for the better application of the NTRU.

Key concepts: NTRU, Cryptosystem, Public key cryptosystem, Computer science, Public-key cryptography, Cryptography, Lattice problem, Theoretical computer science

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