High-efficiency traceable data sharing method based on mobile cloud environment

A data sharing and mobile cloud technology, applied in the field of cloud computing, can solve the problems of high computing overhead and low security, and achieve the effect of reducing the amount of computing and improving security

Active Publication Date: 2017-03-15
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an efficient and traceable data sharing method based on a mobile cloud environment

Method used

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  • High-efficiency traceable data sharing method based on mobile cloud environment
  • High-efficiency traceable data sharing method based on mobile cloud environment
  • High-efficiency traceable data sharing method based on mobile cloud environment

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] Such as figure 1 As shown, the efficient and traceable data sharing method based on the mobile cloud environment provided by the embodiment of the present invention includes the following steps:

[0036] S101: The authority executes the algorithm, and the authority generates its own private key and system public key;

[0037] S102: The authority generates a key for decrypting the ciphertext;

[0038] S103: Encryption is performed by the data owner. When a data owner wants to...

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Abstract

The invention discloses a high-efficiency traceable data sharing method based on a mobile cloud environment, and the method comprises the steps: employing the technology of convergence encryption and traitor tracing; enabling a data owner to carry out encryption, wherein the data owner firstly encrypts the data through a convergence encryption method when the data owner wants to share his own private data to a specified sharer, secondly encrypts a secret key through employing an encryption method based on attributes after convergence encryption, and transmits a ciphertext to a cloud server; enabling an authority mechanism to execute tracing, and finding the source of secret key leakage through an identity table and equality when the authority mechanism finds an illegal user visiting a system. The method employs the convergence encryption, and the encryption of the secret key is only related with the data, thereby improving the safety of data in the system. In addition, in order to prevent a legal user from leaking a secret key for his own benefits, the method adds one traitor tracing algorithm to trace the source of the secret key leakage. An experiment indicates that the method is high in efficiency, and is practical.

Description

technical field [0001] The invention belongs to the technical field of cloud computing, and in particular relates to an efficient and traceable data sharing method based on a mobile cloud environment. Background technique [0002] Due to its powerful computing and storage capabilities, cloud computing has attracted widespread attention from academia and industry in recent years. In cloud computing, computing is transferred from terminal equipment to the network, and computing resources are regarded as a service, but generally the resources of this service are limited, and generally cloud computing is outside the scope of user control, so it is stored in Data security in cloud hosts will be a huge challenge. Cloud computing can be applied in many fields, such as virtualization, intrusion detection, modular index outsourcing, searchable encryption, etc. In recent years, mobile devices have become more and more advanced, and because cloud computing can be regarded as many nod...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L9/32
CPCH04L9/3236H04L63/0428H04L63/0435H04L67/10
Inventor 陈晓峰王志英杨昌松王剑锋
Owner XIDIAN UNIV
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