Network file system and method based on certificate-free public key infrastructure

A network file system and certificate-free technology, applied in the field of computer data storage, can solve the problems of high complexity, key escrow security and certificate management, difficult implementation and configuration, etc., achieve high privacy, eliminate certificate redundancy In addition, the effect of reducing the number of communications

Inactive Publication Date: 2012-04-18
SHANGHAI SHENGPAY E PAYMENT SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a network file system and method based on a certificateless public key mechanism, so as to solve the problem of existing network file systems with high complexity, difficulty in implementation and configuration, security and certificate issues such as key escrow, etc. management problem

Method used

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  • Network file system and method based on certificate-free public key infrastructure
  • Network file system and method based on certificate-free public key infrastructure
  • Network file system and method based on certificate-free public key infrastructure

Examples

Experimental program
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Effect test

Embodiment 1

[0049] Such as figure 1 As shown, this embodiment provides a network file system based on a certificateless public key mechanism, including a key generation center server 10 and more than two client nodes 20, wherein,

[0050] The key generation central server 10 is configured to receive registrations of all client nodes 20, generate system parameters and broadcast public parameters in the system parameters, the public parameters include system public keys and partial private keys of each client node 20 ;

[0051] The client node 20 is configured to register with the key generation central server 10, and generate a node public key according to the system public key, and generate a node private key according to its partial private key, and a client node passes through its node public key. key and node private key to authenticate the identity of a client node to be communicated, and transmit the content of a target file point-to-point to the client node to be communicated after...

Embodiment 2

[0068] Such as Figure 4 As shown, this implementation provides a method for applying the above-mentioned network file system based on the certificateless public key mechanism, including the following steps:

[0069] S41, a client node and a client node to be communicated with the client node register with the key generation central server;

[0070] S42, the key generation central server receives the registration of the client node and the client node to be communicated, generates system parameters and broadcasts the public parameters in the system parameters, the public parameters include the system public key, the client node Part of the private key of the node and the client node to be communicated;

[0071] S43, the client node generates a node public key according to the system public key, generates a node private key according to its partial private key, and performs identity authentication to the client node to be communicated through its node public key and node priva...

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Abstract

The invention provides a network file system and method based on a certificate-free public key infrastructure. All client side nodes are registered in a key generating centre server, and node public keys and node private keys of the client side nodes are generated according to system public keys and partial private keys in system parameters generated by the key generating centre server; no key hosting problem exists, the node public keys and identities of the client side nodes are not needed to be bound by certificates, thus the certificate redundancy problem brought by certificate utilization is eliminated, and a secure channel is not needed to be built between the key generating centre server and each client side node; the identity authentication of two communicating client side nodes is directly finished according to the node public keys, the node private keys and the system parameters, and the key generating centre server is not needed anymore; the communication frequency for mutual authentication of the client side nodes is greatly reduced, the bandwidth resources used in the identity authentication process are lowered, and the calculation amount is reduced and higher efficiency is obtained.

Description

technical field [0001] The invention relates to the field of computer data storage, in particular to a network file system and method based on a certificateless public key mechanism. Background technique [0002] Network File System (Network File System, NFS) refers to the method of sharing disk files between computers on the network. Through this method, remote files stored on the server can provide transparent file access and file transfer to the client. The client does not need to spend any cost for file storage and maintenance, and accessing files on the server is as convenient as accessing files located on the client's local hard drive. The network file system makes it more flexible and convenient for clients to access remote files. [0003] For data and user security, traditional network file systems usually use public key cryptography (PKI), which provides key and certificate management necessary for cryptographic services such as encryption and digital signatures, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L9/32
Inventor 段雪涛
Owner SHANGHAI SHENGPAY E PAYMENT SERVICE CO LTD
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