The invention relates to a method for starting a vehicle without a key. Vehicle starting is achieved with low cost and high safety. The method comprises the steps that a BCM receives a user input signal to generate a random factor R1, and a starting request signal is sent to a vehicle machine; the vehicle machine lightens a screen to request a user to confirm, and if the vehicle machine receives aconfirmation signal, the starting request signal is forwarded to a cloud platform; the cloud platform generates a control instruction original text T and a random factor R2, T and R1 are encrypted byusing a private key of an asymmetric encryption algorithm to generate E, and the R2 is used for performing a one-way hash algorithm on the E to generate M; the E and the M are sent to the vehicle machine, and the R2 is sent to a mobile terminal; if the vehicle machine receives the R2, the R2, the E and the M are forwarded to the BCM; the BCM uses R2 to perform the one-way hash algorithm on the Eto generate M', and if the M' is the same as the M, a ciphertext E passes integrity check; and the BCM uses a public key of an asymmetric cryptographic algorithm to decrypt the E to obtain T and R1',and if the R1' is the same as R1 and various parameters of the control instruction original text T meet conditions, the BCM starts the vehicle according to the T.

    本方案涉及一种无钥匙启动车辆的方法,以低成本、高安全性实现车辆启动。包括:BCM接收用户输入信号生成随机因子R1,发送启动请求信号至车机;车机点亮屏幕,请求用户确认,若车机收到确认信号,转发启动请求信号至云平台;云平台生成控制指令原文T和随机因子R2,使用非对称加密算法的私钥对T、R1加密生成E,使用R2对E进行单向散列算法生成M;发送E、M至车机,发送R2至移动终端;若车机收到R2,转发R2、E、M至BCM;BCM使用R2对E、进行单向散列算法生成M’;若M’与M相同,则密文E完整性校验通过;BCM使用非对称密码算法的公钥解密E得到T、R1’;若R1’与R1相同且控制指令原文T各项参数满足条件,则BCM根据T执行启动车辆。


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    Titel :

    Method for starting vehicle without key


    Weitere Titelangaben:

    一种无钥匙启动车辆的方法


    Beteiligte:
    LIU PING (Autor:in) / TAN CHENGYU (Autor:in) / ZHANG PENG (Autor:in) / WANG XIAOWEI (Autor:in) / LUO WEI (Autor:in) / YUAN YE (Autor:in)

    Erscheinungsdatum :

    30.10.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze



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