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Research and Application of Multivariate Public Key Cryptosystems

Author: ZhaoDong
Tutor: HuYuZuo
School: Xi'an University of Electronic Science and Technology
Course: Information Security
Keywords: Public key cryptography Digital Signature Multivariate Polynomial
CLC: TN918.1
Type: Master's thesis
Year: 2011
Downloads: 81
Quote: 0
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Abstract


The emergence of quantum computers pose a threat to the security of the traditional public-key cryptosystem , multivariate public key cryptography came into being , and become one of the hot spots of cryptography in recent years . Multivariate public key cryptography security depends on the difficulty of solving multivariate nonlinear polynomial equations , and multivariate public key cryptography in the storage space and execution time has obvious advantages compared to the traditional public-key cryptosystem . Multivariate public key cryptography system , learning and research , summed up the multi- variable history of the development of public key cryptography and Research , made ??a brief presentation on the construction of the trapdoor function , described for multivariate public key cryptosystem the main method of attack . On this basis , the main work is as follows : (1) the Yuan Fengbo raised by a new multivariate public key cryptography program analysis , and mathematical calculations Magma complete realization of the program , on the basis of several experiments , the analysis of the experimental data , recommended a balance between efficiency and security parameters . ( 2) a new hybrid multivariate public key cryptography signature scheme , the institution-building in the finite field to odd primes , combine embedded ideological structure . By theoretical analysis of its security and software obtained the system is not only effective against various known attack methods , but also has the characteristics of easy to implement .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Confidentiality of communications and communications security > Theory
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