CN114826911A - OTA upgrading implementation method combining automobile and mobile phone - Google Patents
OTA upgrading implementation method combining automobile and mobile phone Download PDFInfo
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- CN114826911A CN114826911A CN202210233534.3A CN202210233534A CN114826911A CN 114826911 A CN114826911 A CN 114826911A CN 202210233534 A CN202210233534 A CN 202210233534A CN 114826911 A CN114826911 A CN 114826911A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000004048 modification Effects 0.000 claims description 4
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- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Computer Hardware Design (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a realization method for OTA upgrade combining an automobile and a mobile phone, which overcomes the problems of slow downloading, bandwidth resource bottleneck of a server due to concurrent downloading and traffic consumption of enterprises in the prior art and comprises the following contents: s1, binding the mobile phone end vehicle APP with the intelligent vehicle; s2, downloading the OTA upgrade data packet to the mobile phone end; s3, interconnecting the mobile phone end vehicle APP and the vehicle wifi, and leading the OTA upgrade data packet of the mobile phone end into the intelligent vehicle. The invention can realize the rapid upgrade of the vehicle, ensure the data safety, avoid the interference of a transmission link, has simple and convenient operation and improves the efficiency.
Description
Technical Field
The invention relates to the technical field of internet, in particular to an OTA (over the air) upgrading implementation method combining an automobile and a mobile phone.
Background
With the continuous development of the car networking technology in the field of automobiles, the car equipment also has the function of wireless networking, and the traditional equipment upgrading is that after-sales personnel of the equipment manually upgrade the equipment one by one in the car use field, so that the great upgrading workload and the low efficiency are brought, and the waste of a large amount of human resources and cost is caused. At present, the OTA of the mainstream intelligent automobile generally downloads an upgrade package through a 4G network of the automobile, the upgrade package is downloaded and completed by using a breakpoint continuous transmission function in the multi-use time of an automobile owner, and then the upgrade time of the automobile is controlled by a mobile phone end, for example, the automobile can be automatically upgraded at a certain time point at night through setting of the mobile phone end, but the problems of bandwidth resource bottleneck of a server and enterprise vehicle flow consumption caused by slow and concurrent downloading are not solved by the scheme.
Disclosure of Invention
The object of the invention is to address the following problems:
1. with continuous iteration of the functions of the automobile software, the OTA upgrade package is larger and larger at present, so that the downloading time of the automobile upgrade package is too long; some automobiles adopt a silent downloading mode, and the downloading can be completed in several days under the condition of not using the automobiles at high frequency.
2. Generally, the automobile download upgrade package is downloaded during the use period of the automobile, which results in a large number of concurrent downloads during the peak use period, the download bandwidth is severely limited (such as the on-duty time), and the idle period has a large amount of idle bandwidth.
3. The upgrading of the vehicle OTA generally consumes the 4G network data traffic of the vehicle enterprise, so that the traffic monitoring difficulty of the vehicle enterprise is high during the OTA period, and a large amount of traffic cost needs to be paid.
The invention provides an OTA (over the air) upgrading method combining an automobile and a mobile phone, aiming at overcoming the problems of slow downloading, bandwidth resource bottleneck of concurrent downloading to a server and vehicle flow consumption of an enterprise in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an OTA upgrade implementation method combining an automobile and a mobile phone comprises the following contents:
s1, binding the mobile phone end vehicle APP with the intelligent vehicle;
s2, downloading the OTA upgrade data packet to the mobile phone end;
s3, interconnecting the mobile phone end vehicle APP and the vehicle wifi, and leading the OTA upgrade data packet of the mobile phone end into the intelligent vehicle.
In order to overcome the defects that the direct vehicle downloading of the OTA upgrading data packet is slow and is limited by a bandwidth bottleneck, the OTA upgrading data packet is led into the mobile phone end to be downloaded, the mobile phone end can use WiFi or mobile phone end flow to download, the downloading is fast, overlong waiting time is not needed, after a vehicle owner gets on the vehicle, the vehicle APP and the vehicle WiFi of the mobile phone end can be interconnected, and the downloaded OTA upgrading data packet is directly led into the vehicle to complete vehicle upgrading.
Preferably, after the mobile phone end vehicle APP is bound with the intelligent vehicle, the OTA upgrade data packet includes the following contents before being downloaded to the mobile phone end:
the platform server issues an OTA upgrade data packet, the OTA upgrade data packet is subjected to RSA asymmetric encryption, and meanwhile the platform server issues a modification log of the OTA upgrade data packet, an MD5 value and version number information of the OTA upgrade data packet.
Preferably, the RSA asymmetric encryption needs to be decrypted, and a corresponding decryption key is preset and stored in the intelligent automobile cabin.
RSA encryption is an asymmetric encryption. The decryption can be completed without directly transmitting the key, and the invention does not need to transmit the key and avoids the risk of being cracked caused by directly transmitting the key.
Preferably, the S2 includes the following contents:
platform server utilizes wifi of family or cell-phone flow to carry the OTA upgrading data package message to cell-phone end vehicle APP propelling movement, and cell-phone end vehicle APP utilizes the OTA upgrading data package of quick download, and after the download was accomplished, through calculating the MD5 value contrast that OTA upgrading data package and platform server released and guaranteeing OTA upgrading data package integrality.
Preferably, S3 includes the following contents:
s31, the mobile phone end vehicle APP prompts the user to know the attention, the mobile phone end vehicle APP judges whether the vehicle meets the conditions through the cloud server, and if the vehicle meets the conditions, the next step is carried out;
s32, the mobile phone end sends an OTA ready instruction to the platform server, the platform server sends the instruction to the vehicle intelligent cabin through the mobile network, the vehicle intelligent cabin actively opens vehicle wifi after receiving the instruction, the vehicle is in an OTA state, and the mobile phone end also actively enables the wifi;
s33, the mobile phone end and the vehicle intelligent cabin are connected quickly through a wifi direct protocol, an OTA upgrading data packet downloaded by the mobile phone end is transmitted to the vehicle intelligent cabin, and after the vehicle intelligent cabin receives the OTA upgrading data packet, an MD5 value is calculated and compared with a cloud server, and the integrity of the upgrading data packet is guaranteed.
Preferably, after S33, the following is also included:
s34, after the transmission of the OTA upgrading data packet is completed, the mobile phone end controls the upgrading to start, the mobile phone end sends an instruction to the vehicle intelligent cabin through the wifi connection, and the vehicle intelligent cabin conducts RSA decryption on the OTA upgrading packet to complete the vehicle upgrading.
Therefore, the invention has the following beneficial effects: in the vehicle upgrading process, a vehicle owner does not need to do complex operation on a vehicle intelligent cabin, and only a simple prompt of a mobile phone APP is clicked to complete upgrading. In the whole process, the OTA data packet has no leakage problem, although the OTA data packet is stored at the mobile phone end, the upgrading packet cannot be exported by a manual means, and the data packet has an encryption measure, so that the safety can be ensured. In the whole process, the OTA condition judgment is automatically judged by the system, so that the OTA in the driving process is avoided. The upgrade package is transmitted to the cockpit by the mobile phone in a wifi direct protocol mode, human intervention does not exist in connection between the mobile phone and the cockpit, the safety problem of a transmission link is avoided, and meanwhile efficiency is improved.
Drawings
Fig. 1 is a flowchart of the present embodiment.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In order to overcome the defects that the direct vehicle downloads the OTA upgrading data packet slowly and is limited by bandwidth bottleneck, the OTA upgrading data packet is imported into the mobile phone end for downloading. Compare in the network of traditional vehicle download upgrade package and utilize the continuous function of passing of point, the car owner downloads in the time of using a car many times and accomplishes the upgrade package, sets up the download that the vehicle carries out automatic upgrade at certain time point such as evening slowly through the cell-phone end, and enterprise's vehicle traffic consumes the problem, and the OTA upgrade data package of this embodiment is downloaded through point-to-point connection transmission cell-phone end to the encryption mode has been adopted and has been prevented information security problem. The main thinking is binding car owner cell-phone end vehicle APP rather than the intelligent vehicle who corresponds, and the car owner utilizes wifi of family or the quick download upgrade package of cell-phone flow, and through vehicle APP and vehicle wifi interconnection after the car owner gets on the bus, the realization OTA data package is leading-in fast, avoids the jamming.
Example (b):
the embodiment provides a method for realizing OTA (over the air) upgrade by combining an automobile and a mobile phone, as shown in FIG. 1, comprising the following steps: step 1: the vehicle APP at the mobile phone end of the vehicle owner is bound with the corresponding intelligent vehicle, the same mobile phone end can bind a plurality of intelligent vehicles, and the same intelligent vehicle can also be bound with the plurality of mobile phone ends.
Step 2: the cloud platform server is used for storing intelligent vehicle information and the like, the cloud platform server is connected with an intelligent vehicle and a mobile phone end vehicle APP, OTA upgrade data package information is stored in the cloud platform server, the MD5 value of the OTA upgrade data package, the modification log of the OTA upgrade data package, information such as version number and the like, the cloud platform server issues the OTA upgrade data package, the server carries out RSA asymmetric encryption on the OTA upgrade data package, the RSA asymmetric encryption of the data package needs to be decrypted before upgrading, and a corresponding decryption key is preset and stored in an automobile intelligent cabin.
RSA encryption is an asymmetric encryption. Decryption can be done without directly passing the key. This ensures the security of the information and avoids the risk of being cracked due to the direct transfer of the key. Is the process of encryption and decryption by a pair of keys, which are respectively called a public key and a private key. There is a mathematical correlation between the two, and the principle of the encryption algorithm is to factor the difficulty of a very large integer to ensure security. Typically, an individual holds a private key, while a public key is public and may be held by multiple people at the same time.
And step 3: the cloud platform server pushes OTA data packet information stored in the cloud platform server to the mobile phone end vehicle APP, the vehicle holds the mobile phone end vehicle APP to carry out quick downloading on the received OTA upgrading data packet under the household wifi or by using the mobile phone flow, after the OTA upgrading data packet is downloaded to the mobile phone end, the MD5 value of the OTA upgrading data packet is calculated to compare the received OTA upgrading data packet with the MD5 value published by the cloud platform server, the MD5 values of the two should be the same, the OTA upgrading data packet is ensured to be complete, the OTA upgrading data packet at the moment should be in an encryption state, and if the MD5 values are different, the OTA upgrading data packet is downloaded again to the mobile phone end.
And 4, step 4: and then the vehicle owner can import the OTA data packet downloaded by the mobile phone end into the vehicle, and the APP of the vehicle at the mobile phone end prompts the user to know the attention items and prompts the vehicle to stop alongside and other attention items. The mobile phone end vehicle APP judges whether the vehicle real-time state meets the OTA condition through the cloud platform server, if the vehicle real-time state meets the OTA condition, the next step is carried out, and if the vehicle real-time state does not meet the OTA condition, the OTA upgrading data packet is conducted.
And 5: the mobile phone end sends an OTA ready instruction to the cloud platform server, the platform server sends the instruction to the vehicle intelligent cabin through the mobile network, the vehicle wifi is actively opened after the vehicle intelligent cabin receives the instruction, the vehicle is in an OTA state, and the mobile phone end also actively enables the wifi.
Step 6: the mobile phone end and the vehicle intelligent cabin are connected quickly through a wifi direct protocol, an OTA upgrading data packet downloaded by the mobile phone end is transmitted to the vehicle intelligent cabin, after the vehicle intelligent cabin receives the OTA upgrading data packet, an MD5 value is calculated and compared with an MD5 value of the OTA upgrading data packet stored by a cloud platform server, and the integrity of the upgrading data packet is ensured.
Wi-Fi Direct is a point-to-point connection technology, and can directly establish tcp/ip link between two stations without participation of AP; one of the stations functions as a conventional AP and is called Group Owner (GO), and the other station is called Group Client (GC) and is connected to the GO like an AP. GO and GC may be not only one-to-one but also one-to-many.
Wi-Fi Direct and traditional wifi technologies are not mutually exclusive: GO can serve several GCs like AP; it can also connect to an AP like a traditional station; it may also be an AP itself.
And 7: after OTA upgrading data package transmission is accomplished, the mobile phone end control upgrading begins, and the mobile phone end is connected the send command through wifi and is given vehicle intelligence passenger cabin, and vehicle intelligence passenger cabin has in advance to the asymmetric encrypted decryption key of OTA upgrading package RSA, and vehicle intelligence passenger cabin carries out the RSA deciphering, accomplishes the vehicle and upgrades after having deciphered the OTA data package.
In the whole upgrading process, a vehicle owner does not need to do complex operation on the intelligent vehicle cabin, and only clicks the simple prompt of the mobile phone APP to finish upgrading;
the OTA data package does not have the problem of revealing, though the OTA data package keeps the cell-phone end, the OTA data package is through RSA encryption, can't derive the upgrade package through the artificial means to the data package itself has the encryption measure, and the security can guarantee. In the whole process, the OTA condition judgment is automatically judged by the system, and the OTA is carried out only when the safety condition is met, so that the OTA in the driving process is avoided.
The upgrade package is transmitted to the cockpit by the mobile phone in a wifi direct protocol mode, human intervention does not exist in connection between the mobile phone and the cockpit, the safety problem of a transmission link is avoided, and meanwhile efficiency is improved.
The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.
Claims (6)
1. An OTA upgrade implementation method combining an automobile and a mobile phone is characterized by comprising the following contents:
s1, binding the mobile phone end vehicle APP with the intelligent vehicle;
s2, downloading the OTA upgrade data packet to the mobile phone end;
s3, interconnecting the mobile phone end vehicle APP and the vehicle wifi, and leading the OTA upgrade data packet of the mobile phone end into the intelligent vehicle.
2. The method for realizing the OTA upgrade combined with the mobile phone and the automobile as claimed in claim 1, wherein the OTA upgrade data package after the APP of the vehicle at the mobile phone end is bound with the intelligent vehicle comprises the following contents before the OTA upgrade data package is downloaded to the mobile phone end:
the platform server issues an OTA upgrade data packet, the OTA upgrade data packet is subjected to RSA asymmetric encryption, and meanwhile the platform server issues a modification log of the OTA upgrade data packet, an MD5 value and version number information of the OTA upgrade data packet.
3. The OTA upgrade implementation method for the combination of the automobile and the mobile phone according to claim 2, wherein the RSA asymmetric encryption needs to be decrypted, and a corresponding decryption key is preset and stored in an intelligent automobile cabin.
4. The OTA upgrading method for vehicle and mobile phone combination according to claim 2, wherein said S2 includes the following contents:
platform server utilizes wifi of family or cell-phone flow to carry the OTA upgrading data package message to cell-phone end vehicle APP propelling movement, and cell-phone end vehicle APP utilizes the OTA upgrading data package of quick download, and after the download was accomplished, through calculating the MD5 value contrast that OTA upgrading data package and platform server released and guaranteeing OTA upgrading data package integrality.
5. The OTA upgrading method for vehicle and mobile phone combination according to claim 1, wherein the step S3 includes the following steps:
s31, the mobile phone end vehicle APP prompts the user to know the attention, the mobile phone end vehicle APP judges whether the vehicle meets the conditions through the cloud server, and if the vehicle meets the conditions, the next step is carried out;
s32, the mobile phone end sends an OTA ready instruction to the platform server, the platform server sends the instruction to the vehicle intelligent cabin through the mobile network, the vehicle intelligent cabin actively opens vehicle wifi after receiving the instruction, the vehicle is in an OTA state, and the mobile phone end also actively enables the wifi;
s33, the mobile phone end and the vehicle intelligent cabin are connected quickly through a wifi direct protocol, an OTA upgrading data packet downloaded by the mobile phone end is transmitted to the vehicle intelligent cabin, and after the vehicle intelligent cabin receives the OTA upgrading data packet, an MD5 value is calculated and compared with a cloud server, and the integrity of the upgrading data packet is guaranteed.
6. The OTA upgrade implementation method for a combination of an automobile and a mobile phone according to claim 5, wherein after S33, the method further comprises the following steps:
s34, after the transmission of the OTA upgrading data packet is completed, the mobile phone end controls the upgrading to start, the mobile phone end sends an instruction to the vehicle intelligent cabin through the wifi connection, and the vehicle intelligent cabin conducts RSA decryption on the OTA upgrading packet to complete the vehicle upgrading.
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