CN102223630A - Remote control system and method - Google Patents
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Abstract
The invention relates to a remote control system and a method; wherein the remote control system comprises a control device and a controlled device, wherein the control device comprises a mobile communication terminal for receiving remote control information input by a user; a remote control module arranged in the mobile communication terminal for converting the remote control information into a remote control command with a communication signal mode and transmitting the remote control command to a radio frequency IC (integrated circuit) card, and the radio frequency IC card arranged in the mobile communication terminal for transmitting the remote control command to the controlled device; the controlled device comprises a radio frequency IC card reading-writing module for receiving the remote control command, a control module for converting the remote control command received by the radio frequency IC card reading-writing module into a standard industrial interface signal, and an interface module for transmitting the standard industrial interface signal to a controlled target. In the invention, remote control in a sight distance range can be realized under a condition that a communication network resource is not occupied, and the invention is low in cost and easy for realization of real-time control.
Description
Technical field
The present invention relates to the Control on Communication field, relate in particular to a kind of remote control system and method.
Background technology
Along with scientific technological advance, in common mobile communication terminal, set up various radio-frequency (RF) circuit module by the whole bag of tricks, make SIM (Subscriber Identity Module, subscriber identification module) card, TF (Trans-Flash, flash memory) card, SD card (Secure Digital Memory Card, the secure digital storage card) etc. except having basic function, also increase other and be close to the wireless transmission function of life more, as radio-frequency SIM card, radio frequency TF card or the like, we are referred to as RF IC card with this class card.The frequency of RF IC card is generally 2.4GHz.Consumer applications functions such as RF IC card possesses wireless payment functions such as stored value card, and perhaps the gate inhibition is current.
Place the RF IC card in the mobile communication terminal to adopt active antenna, and be in very high frequency(VHF) VHF and high band more, because power controlled and very high frequency(VHF) VHF and the far-field characteristic of high frequency band signal more, the penetrability of RF IC card and transmission capacity are all very strong.RF IC card places mobile communication terminal inside, and under enough transmitting powers, radiofrequency signal can penetrate various different mediums and be delivered to the mobile communication terminal outside, and possesses the communication distance of reaction more than 5 meters.
RF IC card is used as wireless payment, distance of reaction can be controlled at below 10 centimetres usually, guarantees to be in very near distance with radio frequency reader device (such as point of sale POS machine), to ensure transaction privacy and safety of payment.
Application number is that 00124256.3 Chinese invention patent discloses a kind of mobile phone remote control system and method that electric equipment is controlled, need to carry out Long-distance Control by the wireless network of mobile base station, WAP (Wireless ApplicationProtocol, WAP (wireless application protocol)) gateway and WAP server.Its practical range is very big, in whole mobile communications network, need take communication network resource.
Summary of the invention
Technical problem to be solved by this invention provides a kind of remote control system and method, need not take communication network resource, and cost is low, and is easy to realize real-time control.
In order to solve the problems of the technologies described above, the present invention proposes a kind of remote control system, be applied to the remote control control in the horizon range, comprise control device and controlled device, wherein:
Described control device comprises:
Mobile communication terminal is used to receive the remote information that the user imports;
Place the remote control module in the described mobile communication terminal, be used for described remote information is converted to the remote control command of signal of communication form, send to RF IC card; And
Place the RF IC card in the described mobile communication terminal, be used for described remote control command is sent to described controlled device;
Described controlled device comprises:
The RF IC card module for reading and writing is used to receive described remote control command;
Control module is used for the remote control command that described RF IC card module for reading and writing receives is converted to the standard industry interface signal; And
Interface module is used for described standard industry interface signal is sent to controlled object.
Further, said system also can have following characteristics, and described RF IC card also is used for carrying out mutual authentication with described RF IC card module for reading and writing.
Further, said system also can have following characteristics, and described RF IC card is radio-frequency SIM card, radio frequency UIM card, radio frequency usim card, radio frequency TF card, radio frequency SD card or radio frequency mmc card.
Further, said system also can have following characteristics, and described mobile communication terminal is mobile phone or personal digital assistant PDA.
Further, said system also can have following characteristics, and described standard industry interface is UART interface, SPI interface or I
2C interface.
Further, said system also can have following characteristics, and described horizon range is in 15 meters.
In order to solve the problems of the technologies described above, the present invention proposes remote control thereof based on aforementioned each described remote control system, be applied to the remote control control in the horizon range, may further comprise the steps:
Step a, control device receives the remote information to certain controlled object of user's input, and this remote information is converted to the remote control command of signal of communication form;
Step b, the RF IC card in the control device sends to controlled device with described remote control command;
Step c, controlled device is converted to the standard industry interface signal with the remote control command that receives, and this standard industry interface signal is sent to controlled object, and described controlled object is controlled.
Further, said method also can have following characteristics, before described step a, also comprises: step h, carry out mutual authentication between control device and the controlled device, and if authentication is passed through, then carry out next step, otherwise do not carry out.
Further, said method also can have following characteristics, after described step h, before the described step a, also comprises:
Step I 1, control device carries out the state self check, and whether examination has installed remote control module, if then open remote control module, execution in step a, otherwise execution in step j;
Step j, control device sends the request that transmits remote control module to controlled device, and controlled device sends to control device with remote control module after receiving this request, and control device is received back operation and unlatching remote control module on mobile communication terminal, execution in step a.
Further, said method also can have following characteristics, after described step h, before the described step a, also comprises:
Step I 2, control device carries out the state self check, and whether the examination remote control module is opened, if execution in step a then, otherwise open behind the remote control module execution in step a again.
Further, said method also can have following characteristics, also comprises after the described step c:
Further, said method also can have following characteristics, and also comprise after the described step b: steps d 2, control device cuts out remote control module.
Further, said method also can have following characteristics, and among the described step h, described authentication is the challenge based on symmetric key, specifically comprises:
Step h1, the both sides' generative process key K ey_proc that authenticates, described process key K ey_proc are encrypted or are obscured to handle by the first key K ey1, the random number R p that store among the authentication both sides self and identification code ID and obtain;
Step h2, authentication direction the opposing party among the both sides sends authentication request, after the opposing party receives this authentication request, generates the first word string Ra at random, encrypts this with described process key K ey_proc and first sends the opposing party to behind the word string Ra at random;
Step h3, the opposing party decipher the back and obtain the first word string Ra at random, self generate the second word string Rb at random then, with first at random word string Ra and second pass through a described side after with described process key K ey_proc encryption in word string Rb splicing back at random;
Step h4, described side deciphering obtains first word string Ra and the second word string Rb at random at random, judge this first at random word string Ra whether generate with self first word string is identical at random, if identical then with second at random word string Rb pass through described the opposing party after with described process key K ey_proc encryption, otherwise authentification failure;
Step h5, described the opposing party decipher and obtain the second word string Rb at random, judge this second at random word string Rb whether generate with self second word string is identical at random, if identical then authentication passes through, otherwise authentification failure.
The present invention can realize the remote control control in the horizon range under the situation that does not take communication network resource, cost is low, and is easy to realize real-time control.
Description of drawings
Fig. 1 is the structure chart of remote control system in the first embodiment of the invention;
Fig. 2 is a remote control flow chart in the second embodiment of the invention;
Fig. 3 is the schematic diagram of changing based on distance mode in the second embodiment of the invention;
Fig. 4 is flow for authenticating ID figure in the second embodiment of the invention;
The schematic diagram of Fig. 5 in the instantiation of the present invention air-conditioning being carried out remote control.
Embodiment
Main design of the present invention is, utilizes the propagation characteristic of RF IC card radiofrequency signal to realize the remote control of horizon range, and wherein, horizon range is meant 15 meters with interior distance.
Below in conjunction with drawings and Examples principle of the present invention and feature are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
First embodiment
Provided a kind of remote control system in the present embodiment, this remote control system is applied to the remote control control in the horizon range.Fig. 1 is the structure chart of remote control system in the first embodiment of the invention, as shown in Figure 1, in the present embodiment, remote control system 1 comprises control device 11 and controlled device 12, wherein, control device 11 comprises mobile communication terminal 111, place remote control module 112 and the RF IC card 113 that places in the mobile communication terminal 111 in the mobile communication terminal 111, wherein, mobile communication terminal 111 is used to receive the remote information of user's input, remote control module 112 is used for the remote information that mobile communication terminal 111 receives is converted to the remote control command of signal of communication form, send to RF IC card 113, RF IC card 113 is used for remote control command is sent to controlled device 12; Controlled device 12 comprises RF IC card module for reading and writing 121, control module 122 and interface module 123, wherein, RF IC card module for reading and writing 121 is used for the remote control command that received RF IC-card 113 sends, control module 122 is used for the remote control command that RF IC card module for reading and writing 121 receives is converted to the standard industry interface signal, and interface module 123 is used for the standard industry interface signal is sent to controlled object.
Wherein, RF IC card can be radio-frequency SIM card, radio frequency UIM card, radio frequency usim card, radio frequency TF card, radio frequency SD card or radio frequency MMC (MultiMedia Card, multimedia card) card.Mobile communication terminal can be mobile phone, PDA (Personal Digital Assistant, personal digital assistant) etc.The standard industry interface comprises UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting device) interface, SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface, I
2C (Inter-Integrated Circuit, built-in integrated circuit) interface etc.Controlled object can be household electrical appliance such as air-conditioning, refrigerator, TV.
RF IC card places mobile communication terminal inside, its remote control mode needs the user interface by mobile communication terminal, because increasing mobile communication terminal adopts touch screen, its user control interface (as remote controller face versions such as air-conditioning, TV, toy, automobiles) can directly be presented on the touch screen, touches by the user and discerns and remote control.For the mobile communication terminal that does not possess touch screen, can carry out remote control by keyboard.
Wherein, remote control module 112 is an embedded software, can installation and operation on mobile communication terminal.In the control device main control processor can be set further, for different controlled objects, can move corresponding embedded software, and will control interface display on the screen of mobile communication terminal, touch the touch screen or the button of mobile communication terminal by the user, corresponding remote control command is sent by RF IC card.
In the present embodiment remote control system be real time remote control system in a kind of horizon range, it is by RF IC card own wireless transmission and receiving function, directly and controlled device communicate, need not be by communication network, cost is low, and is easy to realize real-time control.
In other embodiments of the invention, legal in order to guarantee the remote control security between control device and the controlled device, interference-free, can before implementing remote control, carry out both sides' authentication earlier, authentication by after carry out remote control again.Therefore, in other embodiments of the invention, RF IC card 113 can also be used for carrying out mutual authentication with RF IC card module for reading and writing 121.Authentication can be adopted any authentication method of the prior art, for example can adopt based on the challenge authentication of symmetric cryptographic algorithm or the safety certification of asymmetric cryptographic algorithm.
As seen, the present invention can realize the remote control control in the horizon range under the situation that does not take communication network resource, and cost is low, and is easy to realize real-time control.
Second embodiment
In the present embodiment, remote control thereof is realized based on the remote control system among first embodiment.Simultaneously, in the present embodiment, suppose that mobile communication terminal has the function that wireless payment is used, be that RF IC card in the mobile communication terminal has the function of short-range communication, the residing pattern of wireless payment function is called the short-range communication pattern, the residing pattern of distant control function is called the telecommunication pattern, under the short-range communication pattern, carry out the authentication of remote control both sides (being control device and controlled device), under the telecommunication pattern, implement distant control function, so also the telecommunication pattern can be called remote control mode.
Fig. 2 is a remote control flow chart in the second embodiment of the invention.Be divided into 3 states among Fig. 2, state (1) is the short-range communication pattern, and the RF IC card distance of reaction ensures the safety of application such as wireless payment about 5 centimetres; State (2): be the telecommunication pattern, distance of reaction is in 15 meters; State (3), remote control is finished, and returns the short-range communication pattern.As shown in Figure 2, in the present embodiment, the remote control flow process comprises:
In the present embodiment, utilize the short-range communication pattern of the existing wireless payment function of RF IC card to trigger the authentication process, in other embodiments of the invention, the authentication process also can trigger in other way.
Fig. 3 is the schematic diagram of changing based on distance mode in the second embodiment of the invention.As shown in Figure 3, dotted line top 31 is the short-range communication pattern, dotted line bottom 32 is the telecommunication pattern, in top 31, mobile communication terminal can be used as the payment unit in the wireless payment application, being subjected to the transaction terminal of pair unit to carry out wireless payment with conduct concludes the business, communicate by low coverage wireless payment link between the two, distance is only about 5 centimetres, in the present embodiment, utilization is in the dotted line top 31 of short-range communication pattern and triggers authentication, in case the distance between mobile communication terminal and the controlled device is less than 5 centimetres, then just carry out authentication between mobile communication terminal and the controlled device, and enter the telecommunication pattern after authentication, promptly the dotted line bottom 32.Under the telecommunication pattern of dotted line bottom 32, mobile communication terminal can carry out remote control to controlled device, the distance range of the long distance wireless remote control link that remote control is used is in 15 meters, controlled device will receive remote control command and the processing back such as decipher and send controlled object to by the standard industry interface, thereby realize the control to controlled object.After remote control finishes, withdraw from the telecommunication pattern, get back to original short-range communication pattern.
Particularly, authentication can be carried out between the RF IC card module for reading and writing of the RF IC card of control device and controlled device.Certainly, also can in control device and controlled device, add the functional module that is specifically designed to authentication, perhaps carry out the function of authentication by other modules except that RF IC card, RF IC card module for reading and writing in control device and the controlled device.Authentication can be adopted the challenge safety certification based on symmetric key, also can adopt other identity identifying method based on the asymmetric cryptography system.
Fig. 4 is flow for authenticating ID figure in the second embodiment of the invention.As shown in Figure 4, present embodiment adopts the challenge safety certification based on symmetric key, and the authentication process comprises:
Step 401, A, B both sides' generative process key K ey_proc, wherein the process key can be encrypted or be obscured to handle and obtain by the first key K ey1, random number R p and identification code ID;
RF IC card and electronic tag both sides can adopt the first key K ey1 in the total key, random number R p that self generates and the identification code ID of self encrypt or obscure to handle and obtain process key K ey_proc, Key_proc=F (Key1 wherein, Rp, ID), F represents symmetric cryptography or ambiguity function, as adopt AES (Advanced Encryption Standard, Advanced Encryption Standard) algorithm, a kind of acquisition methods of Key_proc is Key_proc=AES_Enc (Key1, Rp^ID), wherein AES_Enc represents the AES encryption function, and Key1 is an encryption key, Rp^ID is expressly, " ^ " expression step-by-step XOR.
Step 402, a direction the opposing party sends authentication request (promptly start challenge authentication), after the opposing party receives this authentication request, generates the first word string Ra at random, encrypts this with process key K ey_proc and first sends the opposing party to after the word string at random;
Step 403, the opposing party deciphers the back and obtains first word string at random, self generates the second word string Rb at random then, with first at random word string Ra and second encrypt the back by being subjected to pay the square side that passes through with process key K ey_proc in word string Rb splicing back at random;
Step 404, one side deciphering obtains first word string Ra and the second word string Rb at random at random, judge then first at random word string Ra whether generate with self first word string is identical at random, if identical then with second at random word string Rb encrypt the back by being subjected to pay the square the opposing party that passes through with process key K ey_proc;
Step 405, the opposing party deciphers and obtains the second word string Rb at random, judge then second at random word string whether generate with self second word string is identical at random, if identical then authentication passes through, otherwise authentification failure.
Step 204 judges whether authentication is passed through, and is execution in step 205 then, otherwise execution in step 201;
Particularly, can initiate the state self check by RF IC card, if mobile communication terminal has been installed remote control module (also being aforesaid embedded software), then can skip this step and move this module automatically, otherwise controlled device is sent to RF IC card by the remote control that the RF IC card module for reading and writing will be stored in the controlled device with the embedded software installation kit, and installation and operation on mobile communication terminal.
In other embodiments of the invention, also can directly be stored in remote control module in the mobile communication terminal, but not necessarily always be in opening, then the state self check of this step can change into the examination remote control module whether open, if then implement remote control, otherwise implement remote control again after opening remote control module.
This step can be specially, and control device sends the request that transmits remote control module to controlled device, and controlled device sends to control device with remote control module after receiving this request, and control device is received back operation and unlatching remote control module on mobile communication terminal.
System enters remote control mode, and the wireless signal strength of control device strengthens, and the wireless induction distance rises in 15 meters according to different application, and distance of reaction can be set by remote control module.
Remote control module is a kind of embedded software, it is the special-purpose Control Software platform of controlled object, can comprise interface module, decoding module, communication control module, when the user uses remote control system, touch screen or keyboard input real-time command by mobile communication terminal, interface module by remote control module is discerned, be converted to communication instruction by decoding module then, and the transmitting-receiving of adopting communication control module control RF IC card to instruct at last, at different controlled objects, the user interface difference that remote control module is related.After receiving remote control command signal, controlled device can return confirmation signal earlier, then by UART, SPI, I
2Standard industry interfaces such as C are sent to the electromechanics or the electric apparatus control apparatus of controlled object with control command, finally implement remote control command.
In this step, remote control process can comprise the steps:
Step a, control device (also we can say mobile communication terminal) receives the remote information to certain controlled object of user's input, and this remote information is converted to the remote control command of signal of communication form;
Step b, the RF IC card in the control device sends to controlled device with remote control command;
Step c, controlled device is converted to the standard industry interface signal with the remote control command that receives, and this standard industry interface signal is sent to controlled object, and controlled object is controlled.
Step 209 is closed remote control module, and distance of reaction is reduced to initial state.
After remote control module was closed, system reentered payment mode, and the RF IC card emitted energy weakens, and the wireless induction distance shortens to 5cm or nearer rapidly.
The schematic diagram of Fig. 5 in the instantiation of the present invention air-conditioning being carried out remote control, wherein RF IC card is chosen as radio-frequency SIM card, and as shown in Figure 5, implementation step can may further comprise the steps:
1) has the mobile communication terminal 511 of radio-frequency SIM card 512, during near controlled device (controlled device can be installed in the air-conditioning or be outer, also can link to each other with interface with air-conditioning), will trigger the authentication process with distance (in 5 centimetres) closely;
2) radio-frequency SIM card 512 is confirmed the other side's identity mutually with air-conditioning, by then carrying out next step, closely inserts otherwise the controlled device wait is legal next time;
3) radio-frequency SIM card 512 triggers mobile communication terminal 511 state self checks, if mobile communication terminal 511 has been installed remote control module, then skip this step, otherwise controlled device with store in self remote control module (being the remote control embedded software) bag issue mobile communication terminal 511 by radio-frequency SIM card 512 automatically, and installation and operation on mobile communication terminal 511;
4) system enters remote control mode, control informations such as mobile communication terminal 511 screen display temperature, wind speed, and the user can be by touch-screen (as passing through button for non-touch-screen) control relevant work state, and controlled device is deciphered aerial instruction, and passes through I
2C interface sends to air-conditioning with instruction;
5) after remote control module was closed, system reentered the short-range communication pattern, and radio-frequency SIM card 512 emitted energies weaken, and the wireless induction distance shortens to 5cm or nearer rapidly, and radio-frequency SIM card 512 returns daily identification, wireless payment state.
Compare with prior art, the present invention has following advantage:
1. the present invention can be based upon on the basis of existing wireless payment system, only need transmission range is suitably strengthened, short-range communication pattern in the application such as authentication, wireless payment can be changed into the telecommunication pattern that is used for remote control, thereby controlled object is controlled, mobile communication terminal need not be done any change, and is easy to use and application cost is low;
2. can be equipped with different remote control embedded softwares at different controlled plants, in order to friendly more user interface to be provided;
3. if control device (mobile communication terminal of band RF IC card) finds not install the remote control embedded software by the state self check, controlled device will transmit the installation kit of this software and put control device, can use after the installation, need not use hommization more from third party's downloading control software;
4. remote control system has been introduced ID authentication mechanism, can have only by after the authentication based on symmetry or asymmetric cryptography mechanism, system could be legal enters remote control mode, implement remote control, the potential safety hazard of effectively having avoided unauthorized user that controlled object is controlled;
5. after remote control process stops, system can get back to the short-range communication pattern automatically, and distance of reaction reduces greatly, has ensured that the safety of processes such as wireless payment, authentication is carried out.
As seen, the present invention has not only brought remote control experience easily and safety guarantee for the user, has also promoted the expanded application of existing RF IC card system.
To sum up, the present invention can realize the remote control control in the horizon range under the situation that does not take communication network resource, and cost is low, and is easy to realize real-time control.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a remote control system is applied to the remote control control in the horizon range, it is characterized in that, comprises control device and controlled device, wherein:
Described control device comprises:
Mobile communication terminal is used to receive the remote information that the user imports;
Place the remote control module in the described mobile communication terminal, be used for described remote information is converted to the remote control command of signal of communication form, send to RF IC card; And
Place the RF IC card in the described mobile communication terminal, be used for described remote control command is sent to described controlled device;
Described controlled device comprises:
The RF IC card module for reading and writing is used to receive described remote control command;
Control module is used for the remote control command that described RF IC card module for reading and writing receives is converted to the standard industry interface signal; And
Interface module is used for described standard industry interface signal is sent to controlled object.
2. remote control system according to claim 1 is characterized in that:
Described RF IC card also is used for carrying out mutual authentication with described RF IC card module for reading and writing.
3. remote control system according to claim 1 is characterized in that, described RF IC card is radio-frequency SIM card, radio frequency UIM card, radio frequency usim card, radio frequency TF card, radio frequency SD card or radio frequency mmc card.
4. remote control system according to claim 1 is characterized in that, described mobile communication terminal is mobile phone or personal digital assistant PDA.
5. remote control system according to claim 1 is characterized in that, described standard industry interface is UART interface, SPI interface or I
2C interface.
6. remote control system according to claim 1 is characterized in that, described horizon range is in 15 meters.
7. the remote control thereof based on each described remote control system of claim 1 to 6 is applied to the remote control control in the horizon range, it is characterized in that, may further comprise the steps:
Step a, control device receives the remote information to certain controlled object of user's input, and this remote information is converted to the remote control command of signal of communication form;
Step b, the RF IC card in the control device sends to controlled device with described remote control command;
Step c, controlled device is converted to the standard industry interface signal with the remote control command that receives, and this standard industry interface signal is sent to controlled object, and described controlled object is controlled.
8. remote control thereof according to claim 7 is characterized in that, before described step a, also comprises:
Step h carries out mutual authentication between control device and the controlled device, if authentication is passed through, then carry out next step, otherwise do not carry out.
9. remote control thereof according to claim 8 is characterized in that, after described step h, before the described step a, also comprises:
Step I 1, control device carries out the state self check, and whether examination has installed remote control module, if then open remote control module, execution in step a, otherwise execution in step j;
Step j, control device sends the request that transmits remote control module to controlled device, and controlled device sends to control device with remote control module after receiving this request, and control device is received back operation and unlatching remote control module on mobile communication terminal, execution in step a.
10. remote control thereof according to claim 8 is characterized in that, after described step h, before the described step a, also comprises:
Step I 2, control device carries out the state self check, and whether the examination remote control module is opened, if execution in step a then, otherwise open behind the remote control module execution in step a again.
11. remote control thereof according to claim 7 is characterized in that, also comprises after the described step c:
Steps d 1, controlled device sends the affirmation message of receiving remote control command to control device, and control device cuts out remote control module after receiving this acknowledge message.
12. remote control thereof according to claim 7 is characterized in that,, it is characterized in that, also comprise after the described step b:
Steps d 2, control device cuts out remote control module.
13. remote control thereof according to claim 8 is characterized in that, among the described step h, described authentication is the challenge based on symmetric key, specifically comprises:
Step h1, the both sides' generative process key K ey_proc that authenticates, described process key K ey_proc are encrypted or are obscured to handle by the first key K ey1, the random number R p that store among the authentication both sides self and identification code ID and obtain;
Step h2, authentication direction the opposing party among the both sides sends authentication request, after the opposing party receives this authentication request, generates the first word string Ra at random, encrypts this with described process key K ey_proc and first sends the opposing party to behind the word string Ra at random;
Step h3, the opposing party decipher the back and obtain the first word string Ra at random, self generate the second word string Rb at random then, with first at random word string Ra and second pass through a described side after with described process key K ey_proc encryption in word string Rb splicing back at random;
Step h4, described side deciphering obtains first word string Ra and the second word string Rb at random at random, judge this first at random word string Ra whether generate with self first word string is identical at random, if identical then with second at random word string Rb pass through described the opposing party after with described process key K ey_proc encryption, otherwise authentification failure;
Step h5, described the opposing party decipher and obtain the second word string Rb at random, judge this second at random word string Rb whether generate with self second word string is identical at random, if identical then authentication passes through, otherwise authentification failure.
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| CN114127819B (en) * | 2019-07-15 | 2024-05-31 | 尚飞运营有限公司 | Method for configuring communication between at least one actuator and a remote control unit |
| CN110690965A (en) * | 2019-10-10 | 2020-01-14 | 山东浪潮人工智能研究院有限公司 | Wireless communication safety system |
| CN110690965B (en) * | 2019-10-10 | 2022-09-13 | 山东浪潮科学研究院有限公司 | Wireless communication safety system |
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