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    • 4. 发明授权
    • 차량 네트워크 공격 탐지 장치 및 그 방법
    • 用于检测车辆网络的装置及其方法
    • KR101371902B1
    • 2014-03-10
    • KR1020120144900
    • 2012-12-12
    • 현대자동차주식회사서울대학교산학협력단조선대학교산학협력단
    • 안현수이정희이병욱배현철노종선김지엽우준영조창민김영식문영식
    • H04L12/26H04L12/851
    • H04L63/1425H04L67/12
    • The present invention relates to a device for detecting an attack on a vehicle network and a method thereof and is to provide to a device for detecting an attack on a vehicle network and a method thereof which accumulatively counts packets by each device (ID) connected to a vehicle network bus, calculates the accumulated value by accumulating an inspected value (S) whenever accumulatively counting packets and determines that an attack is occurred if the average accumulated value calculated by dividing the accumulated value by the accumulated counting does not exceed a first threshold value. For the purpose, in a vehicle network environment in which devices, having a priority for packet transmission, connected to a vehicle network bus include: a packet collection unit for collecting packets transmitted through the vehicle network bus; a packet counting unit for accumulatively counting the number of packets collected by the packet collection unit; an inspected value calculation unit for calculating an inspected value based on a time difference between packets having the same ID; an accumulated value calculation unit for calculating an accumulated value by adding the inspected value which is calculated by the inspected value calculation unit to the previous inspected value; an average accumulated value calculation unit for calculating the average accumulated value by dividing the accumulated value calculated by the accumulated value calculation unit by accumulated counting value by the packet counting unit; and an attack determination unit for determining the existence of attack based on the average accumulated value calculated by the average accumulated value calculation unit. [Reference numerals] (10) Packet collection unit; (20) Packet counting unit; (30) Inspected value calculation unit; (40) Accumulated value calculation unit; (50) Average accumulated value calculation unit; (60) Attack determination unit; (70) Control unit
    • 本发明涉及一种用于检测车辆网络攻击的装置及其方法,并提供给用于检测对车辆网络的攻击的装置及其方法,其中每个装置(ID)对连接到车辆网络的数据进行累积计数 车辆网络总线,每当累积计数分组时累积检查值(S)来计算累积值,并且如果通过将累加值除以累加计数而计算的平均累积值不超过第一阈值,则确定发生攻击 。 为此,在车辆网络环境中,具有连接到车辆网络总线的分组传输优先级的设备包括:分组收集单元,用于收集通过车辆网络总线传送的分组; 分组计数单元,用于累积计数由所述分组收集单元收集的分组的数量; 检查值计算单元,用于基于具有相同ID的分组之间的时间差计算检查值; 累积值计算单元,用于通过将由检查值计算单元计算的检查值与先前检查值相加来计算累积值; 平均累计值计算单元,用于通过将由累积值计算单元计算出的累积值除以累积计数值来计算平均累积值; 以及攻击确定单元,用于基于由平均累积值计算单元计算的平均累积值来确定攻击的存在。 (附图标记)(10)分组收集单元; (20)分组计数单元; (30)检验价值计算单位; (40)累计值计算单位; (50)平均累计值计算单位; (60)攻击判定单元; (70)控制单元
    • 5. 发明授权
    • CAN 패킷 자동 분석 방법
    • CAN通信中的自动分组分析方法
    • KR101371895B1
    • 2014-03-10
    • KR1020120144901
    • 2012-12-12
    • 현대자동차주식회사서울대학교산학협력단조선대학교산학협력단
    • 이병욱배현철이정희안현수김지엽노종선우준영조창민김영식전보환문영식
    • H04L12/70
    • H04L43/045H04L43/16H04L2012/40215
    • A controller area network (CAN) packet automatic analysis method according to the present invention, which comprises the steps of sorting packets related to the performance of a specific function among data packets used in CAN, and comparing and analyzing the change of packet data values with time on the graph, enables a simple and efficient analysis on the function, the type and the operation method of the packet. [Reference numerals] (AA) Start; (BB) End; (ST10) Input data and perform a function?; (ST11) Read a log file and write ID array; (ST12) Calculate a data variation value (A) before performing the function; (ST13) Calculate a difference (B) of average data amount by section before and during performing the function; (ST14) Record and store the variation according to the time relative to a packet satisfying with 'B/A > Threshold value'; (ST15) Performing analysis?; (ST16) Display an analysis result; (ST17) Section '1' increase; (ST18) Section end?
    • 一种根据本发明的控制器局域网(CAN)数据包自动分析方法,包括以下步骤:对与CAN中使用的数据包中的特定功能的性能相关的分组进行排序,并将分组数据值的变化与 时间在图上,能够对数据包的功能,类型和操作方法进行简单有效的分析。 (附图标记)(AA)开始; (BB)结束; (ST10)输入数据并执行功能? (ST11)读取日志文件并写入ID数组; (ST12)在执行功能之前计算数据变化值(A) (ST13)在执行功能之前和期间计算平均数据量的差(B); (ST14)根据相对于满足“B / A>阈值”的包的时间记录和存储变化; (ST15)进行分析? (ST16)显示分析结果; (ST17)第1节增加; (ST18)截面?