Privacy data protection method of Internet of Vehicles based on double pseudonym under fog computing environment

A private data and fog computing technology, applied in digital data protection, computing, computer security devices, etc., can solve problems such as high communication cost, long delay, and vehicles cannot execute commands in time, so as to achieve good vehicle anonymity and reduce transmission Cost, the effect of improving decision-making efficiency

Active Publication Date: 2021-10-12
SHANGHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using the cloud to make decisions can easily lead to long delays and high communication costs, making it impossible for vehicles to execute commands in time

Method used

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  • Privacy data protection method of Internet of Vehicles based on double pseudonym under fog computing environment
  • Privacy data protection method of Internet of Vehicles based on double pseudonym under fog computing environment
  • Privacy data protection method of Internet of Vehicles based on double pseudonym under fog computing environment

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Embodiment Construction

[0021] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. The symbols involved in this embodiment are shown in Table 1.

[0022] Table 1 Symbol Description

[0023]

[0024] Such as figure 1 As shown, a method for protecting privacy data of Internet of Vehicles based on double pseudonyms in a fog computing environment in this embodiment, the specific steps are as follows:

[0025] 1) System initialization and key generation: Based on the elliptic curve discrete logarithm problem, the system parameter initialization is completed; when the vehicle enters the Internet of Vehicles system, it sends its real identity RID to the cloud global authentication center CA, and obtains the internal pseudonym IPID after successful authentication , public and private keys and certificates, specifically:

[0026] a)F n is a finite field of order n prime numbers, a,b∈F n is the finite field F n upper elliptic...

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Abstract

The present invention proposes a privacy data protection method for Internet of Vehicles based on double pseudonyms in a fog computing environment, including 1) system initialization and key generation, 2) external pseudonym generation, 3) vehicle interaction and verification, and 4) pseudonym revocation. The invention adds a fog layer between the cloud layer and the user layer, and integrates the roadside unit RSU into the fog layer, so that the system can effectively reduce the interaction delay and transmission cost between the cloud layer and the user layer by means of fog computing, and improve decision-making efficiency. At the same time, by designing a double pseudonym algorithm for the user layer and the fog layer, it is ensured that the security of vehicle privacy data can still be guaranteed even if the roadside unit RSU is compromised.

Description

technical field [0001] The invention relates to a method for protecting privacy data of Internet of Vehicles based on double pseudonyms in a fog computing environment. Background technique [0002] Traffic injury is one of the main causes of human abnormal death. After the arrival of the Internet of Vehicles, the car can actively explore the surrounding environment through its own sensors, and then transmit the collected information to the vehicle system through the Internet of Things card to realize automatic reminders and avoid dangers. , ensuring driving safety. The Internet of Vehicles not only greatly reduces the number of traffic accidents, but also improves travel efficiency, promotes low-carbon environmental protection, and benefits both enterprises and individuals. With the in-depth development of science and technology, the Internet of Vehicles will bring us more convenience. [0003] The Internet of Vehicles realizes information sharing and exchange between vehi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/08H04L9/30H04L29/06G06F21/64G06F21/62G06F21/60
CPCG06F21/602G06F21/6254G06F21/64H04L9/0863H04L9/3066H04L63/0421H04L63/123
Inventor 韩锦涛吴汉舟张新鹏王子驰侯丽敏
Owner SHANGHAI UNIV
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