Research on Secure Aggregation in VANETs
|School||Beijing Jiaotong University|
|Course||Computer Science and Technology|
|Keywords||Security polymerization Syndication Vehicle ad hoc network communication Aggregation algorithm Data Compression|
VANETs: Vehicle MANET ) is a new technology to improve road traffic safety and efficiency . The global number of motor vehicles has been substantial and has been showing an upward trend , leading to increasing the VANETs system complexity . How to ensure the safety and efficacy of VANETs data transmission VANETs research and applications has become a key issue . The information aggregation is a mechanism to improve data transmission efficiency . How guarantee communication safety and efficiency of communication at the same time , there are many algorithms proposed to address this issue , in securing communications , most of these algorithms are based on public key system under the digital signature technology for secure authentication , so the introduction of a large number of communication overhead and computational overhead ; improve communication efficiency , in order to reduce communication overhead , a large number of some algorithms compress the original message , resulting in the loss of the contents of the message part after the polymerization , there are also some algorithm to some extent give up or reduce the security . Therefore, the lack of an effective program to meet the requirements of VANETs security and efficiency . This article draws on some of the advantages of the algorithm , a trusted computing based the VANETs information security aggregation scheme , authentication and message integrity of the sources can be achieved with a relatively small network overhead . In this paper, the embedded TPM ( Trusted Computing Module) to the vehicle MANET system to achieve the credibility of automotive systems , to prevent the destruction of malicious programs , and the use of TPM secure storage of keys , not malicious user to steal . The last text in the program 's implementation analysis and simulation experiments to demonstrate the performance of the proposed scheme , to prove the superiority of this article scheme in VANETs system .