Automotive safety monitoring method
Technical field
The present invention relates to vehicle state monitoring technical field, more particularly, to a kind of automotive safety monitoring method。
Background technology
Intelligent automobile is in the ascendant, but its correlation technique has become as automobile industry forward position focus。At present, unmanned technology, or claim the focus of intelligent navigation technology to be concentrated mainly on algorithm aspect。But, when itself and network integration, the network security monitoring of navigation also can not be ignored。
Through retrieval, prior art there is no comparing deep probing in this respect。Relevant technology includes: the Chinese invention patent application of CN201510329268.4 discloses a kind of universal fully-automatic intelligent automotive safety black box and system, black box includes face-piece, drain pan, protection lid and circuit module, face-piece and drain pan are fixedly installed togather formation shell, circuit module is arranged in the enclosure, protection lid is arranged on face-piece, face-piece is provided with SIM mounting groove corresponding to protection lid position, protection lid is connected with SIM interface, SIM interface is arranged in SIM mounting groove, circuit module includes CPU, signal output interface, GPS module, GSM chip, mike, loudspeaker, SOS button, charging inlet and battery, signal output interface, GPS module, GSM chip, mike, loudspeaker and SOS button are connected on CPU。The Chinese invention patent application of CN201410432496.X provides the Unmanned Systems of a kind of intelligent automobile, relates to intelligent automobile field, including: external environment condition perception subsystem, programmed decision-making subsystem and motion control subsystem;Described external environment condition perception subsystem, for gathering the data message of described intelligent automobile itself and surrounding thereof;Described programmed decision-making subsystem, for planning driving path according to described data message, and sends control instruction to motion control subsystem;Motion control subsystem, for according to the described control instruction received, controlling described intelligent automobile and perform corresponding operation。
Summary of the invention
In order to improve unmanned period vehicle safety monitoring ability, improve the unpiloted safety of vehicle, the invention provides a kind of automotive safety monitoring method, including:
(1) vehicle is registered to first server;
(2) receive the navigation information of driver's input, after encryption, transmit described navigation information;
(3) first server carries out path planning, and sends automatic Pilot information to vehicle。
Further, described step (1) including:
(11) vehicle sends vehicle identification code and the encryption factor to first server, and described vehicle identification code is registered in advance in first server;
(12) first server is according to vehicle identification code and the encryption factor, it is determined that the first AES;
(13) first server utilizes the first AES to send registration response message;
(14) vehicle receiver preserve registration response message, this registration response message includes the ciphertext identifier representing the decruption key with the first AES, then select described ciphertext identifier and determine the second ciphertext identifier according to this chosen ciphertext identifier, second ciphertext identifier is sent to second server, and this second ciphertext identifier is corresponding to being stored in some AES in the algorithm set of second server;
(15) second server is according to the selection result received, it is determined that with using this selection result the second AES as encryption key, and the decruption key of the second AES is sent to first server。
Further, described identifier is plaintext identifier。
Further, described step (2) including:
(211) driver sends navigation identification sound;
(212) vocal print of described navigation identification sound is identified;
(213) voiceprint and the second ciphertext identifier that will identify that are transferred to second server;
(214) second server is encrypted with the AES that described second ciphertext identifier is corresponding by voiceprint, and the information after encryption is transferred to first server;
(215) voiceprint being encrypted through the second AES received is decrypted by first server, is compared by the voiceprint prestored, comparison result is sent to vehicle in the information after deciphering and first server;
(216) vehicle determines whether the navigation purpose ground voice of reception driver according to comparison result;
(217) if it is determined that receive the navigation purpose ground voice of driver, then the navigation purpose ground voice of driver and the second ciphertext identifier are sent to second server;
(218) second server is encrypted with the AES that described second ciphertext identifier is corresponding by navigation purpose ground voice, and the information after encryption is transferred to first server;
(219) in vehicle and second server, multiple additional encryption algorithm it is respectively provided with;
(220) arranging decruption key set in vehicle, it includes the decruption key that additional encryption algorithm each described is decrypted, and guarantees that the plurality of additional encryption algorithm is all different from described first AES and the second AES。
Further, described step (3) including:
(311) first server is decrypted through the navigation purpose ground voice that the second AES is encrypted what receive, carries out path planning according to the information after deciphering, obtains final path planning according to rule set in advance;
(312) described final path planning is divided into multiple section by first server, and the navigation information of the first check information and the first section is sent to vehicle in part through the information after the first AES encryption, and the remainder of the navigation information of the first section is sent to second server by the second AES;
(313) second server is after receiving the navigation information that the remainder of navigation information of described first section is obtained by the second AES, it is decrypted, determine in the plurality of additional encryption algorithm and the ciphering sequence number corresponding with this additional encryption algorithm, then the remainder utilizing this described additional encryption algorithm being determined navigation information to obtaining after the deciphering of above-mentioned second server is encrypted, by the second check information, information after described ciphering sequence number and encryption is sent to vehicle, this ciphering sequence number is corresponding with the decruption key in the decruption key set being arranged at vehicle;
(314) vehicle is after receiving a part for the first server the first check information after the first AES encryption and the first section navigation information, a part for first check information and this first section navigation information is decrypted by the decruption key according to the first AES, obtains a part and first check information of the first section navigation information;
(315) vehicle is after receiving the second server remainder of the first section navigation information after the described additional encryption algorithm for encryption being determined, the second check information and described ciphering sequence number, the decruption key in the decruption key set identified with this ciphering sequence number is determined according to ciphering sequence number, and then be decrypted according to exposition key, it is thus achieved that the remainder of the second check information and described first section navigation information;
(316) above-mentioned first check information after deciphering and the second check information are merged by vehicle, and verify that it obtains after merging according to the checking algorithm pre-set and whether meet the pre-conditioned of this checking algorithm;
(317) if meeting described pre-conditioned, then vehicle's current condition information and the second ciphertext identifier are sent to second server;
(318) second server vehicle's current condition information to receiving is encrypted according to the second AES corresponding with the second ciphertext identifier, is then sent to first server;
(319) the vehicle's current condition information through the second AES encryption received is decrypted by first server, determine the positional information that vehicle is current, velocity information, vehicle condition information, and in conjunction with the traffic information in the determined region of the positional information that described vehicle is current, set transport condition switching instant sequence, the travel speed sequence of vehicle and travel direction sequence, each travel speed and travel direction in described travel speed sequence and travel direction sequence matingly form automatic Pilot information pair one by one, namely described travel speed sequence and travel direction sequence include multiple automatic Pilot information pair, and multiple transport condition switching instant one_to_one corresponding that these automatic Pilot information pair include with transport condition switching instant sequence;
(320) automatic Pilot information is sent to vehicle to transport condition switching instant sequence by first server after the first AES encryption;
(321) vehicle is decrypted according to the decruption key of the first AES with transport condition switching instant sequence according to the automatic Pilot information received, then drive vehicle when each transport condition switching instant is specified in described transport condition switching instant sequence, according to certain automatic Pilot information pair corresponding with this transport condition switching instant, vehicle is driven to travel with travel speed and the travel direction of described automatic Pilot information pair;
(322) after the scheduled time of interval, navigation information for being close to the next section of the first section in the plurality of section repeats and the process step that above-mentioned first section navigation information is identical, namely step (312)-(321) are repeated, until last section that above-mentioned automatic Pilot proceeds in the plurality of section terminates。
Further, described rule set in advance includes: shortest path rule and the most in short-term calipers are then。
Further, described vehicle condition information includes fr information。
The invention has the beneficial effects as follows: by the present invention in that vehicle to outside significant data (such as, state parameter and the navigation instructions such as the speed that vehicle is current) communication be all the form adding ciphertext data, and AES is all saved on the remote server, vehicle itself is also sightless by it, thus significantly reducing after information of vehicles is compromised, the probability of the outside vehicle that directly navigates not via given server, improve vehicle unmanned time navigation instruction transmitting-receiving safety。
Accompanying drawing explanation
Fig. 1 illustrates the flow chart of the automotive safety monitoring method according to the present invention。
Detailed description of the invention
As it is shown in figure 1, the automotive safety monitoring method of the present invention, including:
(1) vehicle is registered to first server;
(2) receive the navigation information of driver's input, after encryption, transmit described navigation information;
(3) first server carries out path planning, and sends automatic Pilot information to vehicle。
Wherein, described step (1) including:
(11) vehicle sends vehicle identification code and the encryption factor to first server, and described vehicle identification code is registered in advance in first server;
(12) first server is according to vehicle identification code and the encryption factor, it is determined that the first AES;
(13) first server utilizes the first AES to send registration response message;
(14) vehicle receiver preserve registration response message, this registration response message includes the ciphertext identifier representing the decruption key with the first AES, then select described ciphertext identifier and determine the second ciphertext identifier according to this chosen ciphertext identifier, second ciphertext identifier is sent to second server, and this second ciphertext identifier is corresponding to being stored in some AES in the algorithm set of second server;
(15) second server is according to the selection result received, it is determined that with using this selection result the second AES as encryption key, and the decruption key of the second AES is sent to first server。
Above-mentioned identifier is plaintext identifier。
Described step (2) including:
(211) driver sends navigation identification sound;
(212) vocal print of described navigation identification sound is identified;
(213) voiceprint and the second ciphertext identifier that will identify that are transferred to second server;
(214) second server is encrypted with the AES that described second ciphertext identifier is corresponding by voiceprint, and the information after encryption is transferred to first server;
(215) voiceprint being encrypted through the second AES received is decrypted by first server, is compared by the voiceprint prestored, comparison result is sent to vehicle in the information after deciphering and first server;
(216) vehicle determines whether the navigation purpose ground voice of reception driver according to comparison result;
(217) if it is determined that receive the navigation purpose ground voice of driver, then the navigation purpose ground voice of driver and the second ciphertext identifier are sent to second server;
(218) second server is encrypted with the AES that described second ciphertext identifier is corresponding by navigation purpose ground voice, and the information after encryption is transferred to first server;
(219) in vehicle and second server, multiple additional encryption algorithm it is respectively provided with;
(220) arranging decruption key set in vehicle, it includes the decruption key that additional encryption algorithm each described is decrypted, and guarantees that the plurality of additional encryption algorithm is all different from described first AES and the second AES。
Described step (3) including:
(311) first server is decrypted through the navigation purpose ground voice that the second AES is encrypted what receive, carries out path planning according to the information after deciphering, obtains final path planning according to rule set in advance;
(312) described final path planning is divided into multiple section by first server, and the navigation information of the first check information and the first section is sent to vehicle in part through the information after the first AES encryption, and the remainder of the navigation information of the first section is sent to second server by the second AES;
(313) second server is after receiving the navigation information that the remainder of navigation information of described first section is obtained by the second AES, it is decrypted, determine in the plurality of additional encryption algorithm and the ciphering sequence number corresponding with this additional encryption algorithm, then the remainder utilizing this described additional encryption algorithm being determined navigation information to obtaining after the deciphering of above-mentioned second server is encrypted, by the second check information, information after described ciphering sequence number and encryption is sent to vehicle, this ciphering sequence number is corresponding with the decruption key in the decruption key set being arranged at vehicle;
(314) vehicle is after receiving a part for the first server the first check information after the first AES encryption and the first section navigation information, a part for first check information and this first section navigation information is decrypted by the decruption key according to the first AES, obtains a part and first check information of the first section navigation information;
(315) vehicle is after receiving the second server remainder of the first section navigation information after the described additional encryption algorithm for encryption being determined, the second check information and described ciphering sequence number, the decruption key in the decruption key set identified with this ciphering sequence number is determined according to ciphering sequence number, and then be decrypted according to exposition key, it is thus achieved that the remainder of the second check information and described first section navigation information;
(316) above-mentioned first check information after deciphering and the second check information are merged by vehicle, and verify that it obtains after merging according to the checking algorithm pre-set and whether meet the pre-conditioned of this checking algorithm;
(317) if meeting described pre-conditioned, then vehicle's current condition information and the second ciphertext identifier are sent to second server;
(318) second server vehicle's current condition information to receiving is encrypted according to the second AES corresponding with the second ciphertext identifier, is then sent to first server;
(319) the vehicle's current condition information through the second AES encryption received is decrypted by first server, determine the positional information that vehicle is current, velocity information, vehicle condition information, and in conjunction with the traffic information in the determined region of the positional information that described vehicle is current, set transport condition switching instant sequence, the travel speed sequence of vehicle and travel direction sequence, each travel speed and travel direction in described travel speed sequence and travel direction sequence matingly form automatic Pilot information pair one by one, namely described travel speed sequence and travel direction sequence include multiple automatic Pilot information pair, and multiple transport condition switching instant one_to_one corresponding that these automatic Pilot information pair include with transport condition switching instant sequence;
(320) automatic Pilot information is sent to vehicle to transport condition switching instant sequence by first server after the first AES encryption;
(321) vehicle is decrypted according to the decruption key of the first AES with transport condition switching instant sequence according to the automatic Pilot information received, then drive vehicle when each transport condition switching instant is specified in described transport condition switching instant sequence, according to certain automatic Pilot information pair corresponding with this transport condition switching instant, vehicle is driven to travel with travel speed and the travel direction of described automatic Pilot information pair;
(322) after the scheduled time of interval, navigation information for being close to the next section of the first section in the plurality of section repeats and the process step that above-mentioned first section navigation information is identical, namely step (312)-(321) are repeated, until last section that above-mentioned automatic Pilot proceeds in the plurality of section terminates。
Preferably, described rule set in advance includes: shortest path rule and the most in short-term calipers are then。Described vehicle condition information includes fr information。
The narration made for presently preferred embodiments of the present invention above is the purpose for illustrating, and it is not intended to limit the present invention accurately for disclosed form, learn and make an amendment or change to be possible based on above instruction or from embodiments of the invention, embodiment is for explaining orally principles of the invention and allowing those skilled in the art utilize the present invention select in practical application and describe with various embodiments, and the technological thought attempt of the present invention is determined by claim and equalization thereof。