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Message authentication method based on semi-trusted management center in vehicle networking

A technology for message authentication and Internet of Vehicles, which is applied in the field of message authentication based on semi-trusted management centers in Internet of Vehicles, and can solve problems such as not being able to meet practical needs well.

Active Publication Date: 2018-12-21
ANHUI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional solutions are implemented based on a trusted third party. Although VANET is relatively safe, this assumption cannot well meet the needs of reality.

Method used

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  • Message authentication method based on semi-trusted management center in vehicle networking
  • Message authentication method based on semi-trusted management center in vehicle networking
  • Message authentication method based on semi-trusted management center in vehicle networking

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Embodiment Construction

[0073] The technical solutions of the present invention will be described in detail below, but the protection scope of the present invention is not limited to the embodiments.

[0074] like figure 1 As shown, a method for message authentication based on a semi-trusted management center in a kind of Internet of Vehicles of the present invention comprises the following steps:

[0075] (1) System initialization: This step includes three stages: initialization of STA, initialization of RSU and initialization of OBU;

[0076] (2) Driving process: This step includes six stages: partial key generation, group key acquisition, signature key and pseudo-identity generation, message signature, sending and receiving information, and group key update.

[0077] In this embodiment, the corresponding parameters and their meanings are shown in Table 1

[0078] Table 1:

[0079]

[0080] The system initialization process in the above step (1) includes the following steps: This part mainly ...

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Abstract

The invention discloses a message authentication method based on a semi-trusted management center in the vehicle networking. The user communicates with RSU and other vehicles arranged on both sides ofthe road through OBU, and extracts, analyzes and effectively utilizes the message, so that the vehicle runs more safely, and the user can obtain more efficient service at the same time. The inventionis based on the environment of a semi-trusted management center, more realistic, at the same time the vehicle's pseudonym is generated by the vehicle, RSU and STA together, RSU and STA trace the identity of the vehicle jointly, A single party cannot obtain the true identity of the vehicle, thus the safety is improved.The invention adopts the self-healing key distribution method to exclude the revoked vehicles from the group, so that the vehicles do not need to store and query the revoked list, the storage space, the resources are calculated and the searching time are reduced, and the efficiency of the message authentication is improved.

Description

technical field [0001] The invention belongs to the wireless communication security technology of the Internet of Vehicles, and in particular relates to a message authentication method based on a semi-trusted management center in the Internet of Vehicles. Background technique [0002] Vehicle Networking (VANET), also known as Vehicle Ad Hoc Network, is a new type of mobile Ad Hoc network that can extract messages sent by vehicles through mutual communication between vehicles or communication between vehicles and roadside equipment. analysis and effective utilization. VANET can obtain surrounding environmental conditions and road information in a timely manner, and realize the early warning function for emergencies, so as to better ensure traffic safety. At the same time, VANET can keep abreast of traffic information and improve traffic efficiency. In VANET, vehicles communicate with each other or with roadside units (RSUs) through the dedicated short-range communication (D...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04L9/30H04L9/32H04W4/40H04W12/06H04W12/069
CPCH04L9/083H04L9/0869H04L9/0891H04L9/3066H04L9/3297H04W4/40H04W12/06
Inventor 崔杰吴迪仲红许艳张静应作斌
Owner ANHUI UNIVERSITY
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