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Research on Special Digital Signature Scheme Based on the Bilinear Pairing

Author: YuanMinMin
Tutor: JiangZuoMing
School: Xi'an University of Electronic Science and Technology
Course: Applied Computer Technology
Keywords: Digital Signature Bilinear pairings Threshold Signature Group signature Blind signature
CLC: TN918.1
Type: Master's thesis
Year: 2009
Downloads: 21
Quote: 0
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Abstract


Generation of computer networks makes it into an information age , the network provides a great convenience for the mass transfer and access to information , but the loopholes in the system , illegal means to make a variety of important information security and integrity are great threat of destruction . Information security has become one of the most needed to solve the problem of network data transmission . Digital signatures as a message integrity authentication to identify anti deny anti- resistance technology and encryption functions occupy an important position in the computer network security , it can provide authentication source and integrity of the data on the network function. With the depth signature technology in the fields of military , communications , e-commerce applications , ordinary digital signatures have been unable to meet the special requirements of the people , to study with the special nature of the digital signature to become a valuable areas . Firstly, the existing special digital signature , analyzed and summarized in the study of a large number of documents found most of the existing special digital signature scheme based on discrete logarithm difficulty or improved RSA system , pointed out that these the signature programs more or less there is a security problem . Second, the existing threshold group signature scheme of collusion attack , the threshold fixed and system instability issues , good threshold group based the bilinear pairings threshold signature schemes and threshold group signature scheme , the scheme satisfies all the requirements of the signature to make up for the defects in the existing threshold group program . Finally, in order to meet the requirements of the e-commerce electronic money system , blind signature and door threshold signature combined limit blind signature scheme based on bilinear door , and the efficiency and security of the program analysis proved . Study the establishment of a variety of the bilinear in achieving efficiency and safety , the next step , the bilinear of technology to promote deeper and broader special digital signature scheme , based on bilinear digital signature system . Meanwhile, to the nature of security prior to the study , the former introduced to the Security special digital signature scheme , set up a meet the strong forward secure threshold signature scheme .

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