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A Query Integrity Verification Method for Outsourced Streaming Data

A technology for integrity verification and streaming data, applied in transmission systems, electrical components, etc., can solve problems such as inapplicability to actual scenarios, excessive overhead of additional data operations, etc., to reduce storage overhead, reduce computing overhead, and improve computing efficiency Effect

Active Publication Date: 2021-07-13
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there are still many problems, such as the need to pre-define the total amount of outsourced streaming data or the overhead of additional data operations is too large to be applicable to actual scenarios, etc.

Method used

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  • A Query Integrity Verification Method for Outsourced Streaming Data
  • A Query Integrity Verification Method for Outsourced Streaming Data
  • A Query Integrity Verification Method for Outsourced Streaming Data

Examples

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Embodiment Construction

[0046] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0047] The present invention is a query integrity verification system for outsourced stream data, such as figure 1 As shown, it includes initialization module, data management module and query verification module, which operate under the action of three entities: data user, data owner and server.

[0048] The initialization module mainly includes two sub-modules of key generation and communication functions. When the system is started, the entities in the system will first establish a communication connection, and the data owner generates public and private keys and other parameters required by the system by executing the key generation sub-module, and then distributes the public key to the server and data users through the communication function.

[0049] The data management module mainly includes two sub-modules of additional data and u...

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Abstract

The invention relates to a query integrity verification method for outsourced streaming data. The system includes an initialization module, a data management module and a query verification module. The initialization module is used for the data owner to generate public and private keys and other parameters required by the system when the system starts, and distributes the public key to the server and data users; the data management module is used for the data owner to outsource real-time streaming data to the server, Afterwards, when it is necessary to change the data previously stored on the server side, execute the update data sub-module to update the data and corresponding evidence; the user data user of the query verification module queries the data stored on the server, and will get the corresponding query returned by the server Indexed data and corresponding evidence, and use the returned evidence to verify whether the query result is correct.

Description

technical field [0001] The invention belongs to the field of network security, and in particular relates to a query integrity verification system and method for outsourcing streaming data. Background technique [0002] With the development of cloud computing and the popularity of Internet of Things applications, the amount of data and the number of users are increasing rapidly, and data streams are widely used in today's information systems. For example, data such as air temperature, air pressure, and PM2.5 collected by sensors in real time, data such as blood pressure and heart rate monitored by wearable medical devices in real time, or DNA data generated by DNA computing servers, etc., can all be regarded as streaming data. Due to the huge amount of streaming data and its continuous generation, it becomes more challenging for devices to store, manage and maintain data. Many devices are limited by storage resources or computing resources, and are more willing to outsource ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/062H04L63/123
Inventor 周福才吴淇毓王强
Owner NORTHEASTERN UNIV LIAONING
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