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Verification system and method based on ADS for integrity of SQL queries of outsourced database

An integrity verification and database technology, applied in the field of ADS-based outsourced database SQL query integrity verification system, can solve problems such as low efficiency and few solutions

Active Publication Date: 2017-12-08
NORTHEASTERN UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, among most of these schemes about the integrity verification of outsourced database SQL queries, there are few schemes that support the integrity verification of multiple SQL queries of relational databases, and few schemes that can be applied to actual systems
In addition, most of the schemes are inefficient, and there is still a certain gap from the actual application

Method used

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  • Verification system and method based on ADS for integrity of SQL queries of outsourced database
  • Verification system and method based on ADS for integrity of SQL queries of outsourced database
  • Verification system and method based on ADS for integrity of SQL queries of outsourced database

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Embodiment Construction

[0157] The following non-limiting examples can enable those skilled in the art to understand the present invention more fully, but do not limit the present invention in any way.

[0158] The outsourced database SQL query integrity verification system based on the authentication data structure of the present invention, such as figure 2 shown, including the data owner, client and server; among them,

[0159] Data owner: Initialize the key and run the system initialization algorithm, send the summary to the client, and send the data and authentication information ADS to the server.

[0160] Client: The client issues a standard SQL query request, first determines whether the query is supported, if supported, sends an integrity query request to the server (if not supported, returns an error message); then, when the client receives the query returned by the server After the result and evidence, verify the integrity of the result; if the verification is passed, the result will be a...

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Abstract

The invention relates to a verification system and method based on an ADS for the integrity of SQL queries of an outsourced database. The system comprises an initialization module comprising a key generation module and a system initialization module, an evidence generating module and an integrity verification module; the system can support the integrity verification of a variety of SQL queries of the relational database and support multidimensional range queries, connection queries and multiple function queries at the same time. According to the verification system and method, on the basis of the ADS and an accumulator, the SQL queries can be supported, and the system and method are high in efficiency and suitable for the application in actual scenes.

Description

technical field [0001] The invention belongs to the field of integrity verification of outsourced databases, in particular to an ADS (authentication data structure)-based SQL query integrity verification system and method for outsourced databases. Background technique [0002] With the rapid development of Internet applications, the amount of data and the number of users are increasing rapidly. This not only makes it more challenging for enterprises and organizations to store, manage and maintain their own data, but also puts forward higher requirements for the computing power of devices. At this time, in addition to database content services, the demand for database services also requires safe and reliable management and maintenance of database services. This service is called outsourced databases (Outsourced Databases, ODB). [0003] Outsourced database means that the data owner outsources the management of the database to a third party. The third party is usually called ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F21/62
CPCG06F16/21G06F16/2228G06F21/6218
Inventor 周福才王强玄鹏开吴淇毓王红伟
Owner NORTHEASTERN UNIV
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