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Mobile terminal identity digital signature scheme based on research

Author: HaoLiFeng
Tutor: HuHanPing
School: Huazhong University of Science and Technology
Course: Information Security
Keywords: Identity-based cryptography Digital signature Mobile instant messaging The mobile terminal Tate pairing
CLC: TN918.1
Type: Master's thesis
Year: 2011
Downloads: 32
Quote: 0
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Abstract


With the development of computer technology and the Internet , e-government as a combination of information technology and management of modern management , service means, in the work of government agencies play an important role . With the mobile phone as the representative of the popularity of mobile terminals , mobile instant messaging has become an important part of e-government . Digital signatures are used to ensure the integrity of information transmission , sender authentication, to prevent the transaction repudiation occurred . Research applied to mobile instant messaging on the mobile terminal digital signature scheme is of great significance . Since the limited computing resources of mobile terminals and wireless communication bandwidth is limited , so the certificate-based public key cryptosystem is not suitable for the environment . In identity-based public key cryptosystem , you can take advantage of the user's identity information directly generate the user 's public key certificate management to avoid the problem of high complexity and cost . Therefore, the existing identity-based digital signature scheme , proposed an improved identity-based digital signature scheme , and analyzes prove that the security of the scheme and effectiveness. The improved scheme not only with identity-based public key cryptosystem advantages, but also to avoid the possibility of a third-party forged signatures , and can provide aggregate signature functionality. In order to implement the program has good versatility , not simply be applied in a certain particular mobile terminal , but to build a portable mobile terminal emulation platform and the platform simulation to achieve the the program. Simulation results show that : the program is safe and effective , can be better used in mobile instant messaging , there is a good research value and application prospects.

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