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Research on Key Management Technology in Identity-based Cryptography

Author: LiZuo
Tutor: SuJinHai
School: PLA Information Engineering University
Course: Military Communication
Keywords: Key Management Self-signed IBC CPK
CLC: TN918.2
Type: Master's thesis
Year: 2010
Downloads: 69
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Abstract


Identity-based cryptography ( IBC ) , the user's public key certificate-based cryptography has zero authentication features , reducing the administrative overhead of certificate . However, IBC application key revocation , key escrow and private key distribution problem , practicality is limited . Address the problem , do the following : 1. Based on the key hierarchical management ideas and IBC signature technology , research and design IBC - based self-signed public key generation algorithm, the safety and performance of the algorithm ; this algorithm can realize user key independent update to solve the problem of key revocation . CPK technology extension system master key study design extended master key self-signed public key generation algorithm, to improve the system master key anti - attack capability . With threshold secret sharing method to design a multi-center expansion master key to generate a self-signed public key algorithm, to solve the key escrow problem . IBC private key distribution Saki program can not resist dictionary attacks and steal authentication attacks , study and improvement of Saki program ; improving security at the same time retain the original program is simple and efficient features . Meanwhile , this paper presents the based IBC self-signed public key generation algorithm and extend the experimental analysis of the main key is self-signed public key generation algorithm .

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