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Identity-based NVD remote key system design and implementation

Author: ChenMing
Tutor: LinAn
School: Huazhong University of Science and Technology
Course: Computer System Architecture
Keywords: Public key cryptography Authenticate Identity Key generation center
CLC: TN918.2
Type: Master's thesis
Year: 2011
Downloads: 5
Quote: 0
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Abstract


Red HD NVD (Next-generation Versatile Disc) is an independent domestic unit co -developed high-definition disc player , its performance indicators have reached the international advanced level of similar products , but in the manufacturing cost advantages with big industry . NVD is currently constrained industrialization is one of the main factors problem sources . Strengthen security and confidentiality disc information sources related to copyright protection technology has become the NVD for more sources of technical assurance. The disc is encrypted , the original NVD system there is a certain security risk, should be solved . In order to ensure NVD playback speed of response under the premise of solving NVD disc while preserving key ciphertext security risks , CD video services through the NVD rethinking of the overall architecture , design identity-based public key cryptosystem remotely close key ideas . Set in the network and third-party certification as a remote key basis of the information provided . Users playing a disc key request to the authentication server initiates . Authentication server is responsible for the user's identity certification authority , and gather information about the user and the program . Authentication information will be forwarded to a third party trusted these key generation center (PKG). PKG is responsible for third-party CD-ROM based program ID as a CD-ROM disc to produce identity decryption key , while public-key cryptography mechanism through secure communication channel based on the generated key is sent to NVD users. The program involves two kinds of symmetric and asymmetric cryptographic techniques , as well as in the communication process and a network socket technology . Experimental process safety performance of three high encryption algorithm implementation and testing , and response time during playback system with the original data , it is shown elliptic curve encryption algorithm can live in security and response speed , can reach better performance. The program also NVD -definition network video services provide authentication mechanisms and communication model . NVD remote video services on the safety performance provides an important reference value .

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