車載自組網(wǎng)隱私保護技術(shù)和安全協(xié)議研究
發(fā)布時間：2019-01-27 12:45
【摘要】：車載自組網(wǎng)是智能交通應(yīng)用和服務(wù)的支撐，能為駕駛者提供安全、有序、智能的道路環(huán)境。和傳統(tǒng)網(wǎng)絡(luò)一樣，車載自組網(wǎng)中的安全和隱私問題不容忽視，它是影響和制約車載自組網(wǎng)使用和推廣的重要因素。由于網(wǎng)絡(luò)形態(tài)的特殊性，車輛通信時容易泄露駕駛者的身份和出行路線等個人敏感信息，因此隱私保護在車載自組網(wǎng)中尤為重要，設(shè)計符合特定安全需求的通信協(xié)議或應(yīng)用系統(tǒng)是一項非常具有挑戰(zhàn)性的工作。 本文首先介紹了在車載自組網(wǎng)通信中保護隱私常用的幾種技術(shù)，針對每一種技術(shù)選擇一個代表性的方案或協(xié)議介紹它們的系統(tǒng)組成、方案（協(xié)議）框架和優(yōu)缺點。然后提出了一個安全消息驗證方案、一個出租車叫車協(xié)議和一個車輛導航協(xié)議。考慮到車輛流動性強，本文提出的安全消息驗證方案使用帶有效期的簽名密鑰來實現(xiàn)車輛合法身份的定期自動撤銷，采用“隨機化”密鑰的方式簡化簽名操作、同時保證簽名的匿名性和簽名者身份的可追蹤性。使用手機軟件呼叫出租車是基于車載自組網(wǎng)的一個應(yīng)用，本文提出的安全叫車協(xié)議使用基于屬性的加密技術(shù)和自認證公鑰簽名技術(shù)，能為乘客提供靈活的選車功能，規(guī)避違約行為的發(fā)生，最大程度保護乘客的出行隱私。車輛導航是車載自組網(wǎng)一類重要的舒適性應(yīng)用，本文提出的安全導航協(xié)議使用統(tǒng)一的身份認證平臺，車輛通過附近的RSU網(wǎng)關(guān)和認證服務(wù)器交互，，使用口令證明自己合法身份的同時建立無線安全信道；采用群簽名技術(shù)生成消費單，既能為服務(wù)器核算用戶消費情況提供依據(jù)，又能保護用戶的出行隱私；RSU簽發(fā)授權(quán)票據(jù)保證用戶獲得安全可靠的接力導航服務(wù)，同時保護行駛路線不被跟蹤。安全性分析表明，本文提出的三個方案（協(xié)議）均能滿足所在場景下的安全需求，性能分析和仿真實驗結(jié)果顯示它們的運行效率都比較高，適合應(yīng)用于車載自組網(wǎng)中。
[Abstract]:Vehicular ad hoc network is the support of intelligent transportation application and service. It can provide a safe, orderly and intelligent road environment for drivers. Like the traditional network, the security and privacy problems in the vehicle-mounted ad hoc network can not be ignored. It is an important factor that affects and restricts the use and promotion of the vehicle-mounted ad hoc network. Because of the particularity of the network form, it is easy to reveal the identity and route of the driver when the vehicle communicates, so the privacy protection is especially important in the vehicle ad hoc network. Designing communication protocols or application systems that meet specific security requirements is a challenging task. This paper first introduces several common technologies of privacy protection in vehicle-mounted ad hoc network communications, and selects a representative scheme or protocol for each technology to introduce their system composition, scheme (protocol) framework and advantages and disadvantages. Then a security message verification scheme, a taxi-hailing protocol and a vehicle navigation protocol are proposed. Considering the strong mobility of vehicles, the security message verification scheme proposed in this paper uses the signature key with validity period to realize the automatic revocation of the legal identity of the vehicle on a regular basis, and simplifies the signature operation by using the "randomized" key. At the same time, the anonymity of the signature and the traceability of the signer's identity are guaranteed. Using mobile phone software to call a taxi is an application based on the vehicle-mounted ad hoc network. The proposed security cab-hailing protocol uses attribute-based encryption technology and self-authenticated public key signature technology, which can provide a flexible vehicle selection function for passengers. Circumvent the occurrence of breach of contract, maximize the protection of travel privacy of passengers. Vehicle navigation is an important comfort application in vehicle Ad Hoc network. The security navigation protocol proposed in this paper uses a unified identity authentication platform. The vehicle interacts with the authentication server through the nearby RSU gateway. Establishing wireless secure channel while using password to prove their legal identity; The use of group signature technology to generate consumption orders can not only provide a basis for the server to calculate the user's consumption, but also protect the user's travel privacy. RSU issues authorized tickets to ensure that users have access to safe and reliable relay navigation services, while protecting the route from being tracked. The security analysis shows that the three protocols proposed in this paper can meet the security requirements in the scene. The performance analysis and simulation results show that the performance analysis and simulation results show that they are more efficient and suitable for vehicle ad hoc networks.
【學位授予單位】：上海交通大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U495;TN929.5
本文編號：2416269
[Abstract]:Vehicular ad hoc network is the support of intelligent transportation application and service. It can provide a safe, orderly and intelligent road environment for drivers. Like the traditional network, the security and privacy problems in the vehicle-mounted ad hoc network can not be ignored. It is an important factor that affects and restricts the use and promotion of the vehicle-mounted ad hoc network. Because of the particularity of the network form, it is easy to reveal the identity and route of the driver when the vehicle communicates, so the privacy protection is especially important in the vehicle ad hoc network. Designing communication protocols or application systems that meet specific security requirements is a challenging task. This paper first introduces several common technologies of privacy protection in vehicle-mounted ad hoc network communications, and selects a representative scheme or protocol for each technology to introduce their system composition, scheme (protocol) framework and advantages and disadvantages. Then a security message verification scheme, a taxi-hailing protocol and a vehicle navigation protocol are proposed. Considering the strong mobility of vehicles, the security message verification scheme proposed in this paper uses the signature key with validity period to realize the automatic revocation of the legal identity of the vehicle on a regular basis, and simplifies the signature operation by using the "randomized" key. At the same time, the anonymity of the signature and the traceability of the signer's identity are guaranteed. Using mobile phone software to call a taxi is an application based on the vehicle-mounted ad hoc network. The proposed security cab-hailing protocol uses attribute-based encryption technology and self-authenticated public key signature technology, which can provide a flexible vehicle selection function for passengers. Circumvent the occurrence of breach of contract, maximize the protection of travel privacy of passengers. Vehicle navigation is an important comfort application in vehicle Ad Hoc network. The security navigation protocol proposed in this paper uses a unified identity authentication platform. The vehicle interacts with the authentication server through the nearby RSU gateway. Establishing wireless secure channel while using password to prove their legal identity; The use of group signature technology to generate consumption orders can not only provide a basis for the server to calculate the user's consumption, but also protect the user's travel privacy. RSU issues authorized tickets to ensure that users have access to safe and reliable relay navigation services, while protecting the route from being tracked. The security analysis shows that the three protocols proposed in this paper can meet the security requirements in the scene. The performance analysis and simulation results show that the performance analysis and simulation results show that they are more efficient and suitable for vehicle ad hoc networks.
【學位授予單位】：上海交通大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U495;TN929.5
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