CN108479056B - Online doll grabbing machine for blind people - Google Patents
Online doll grabbing machine for blind people Download PDFInfo
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- CN108479056B CN108479056B CN201810179120.0A CN201810179120A CN108479056B CN 108479056 B CN108479056 B CN 108479056B CN 201810179120 A CN201810179120 A CN 201810179120A CN 108479056 B CN108479056 B CN 108479056B
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/30—Capturing games for grabbing or trapping objects, e.g. fishing games
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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
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- Computer Security & Cryptography (AREA)
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Abstract
The invention relates to an online doll grabbing machine for blind people, which solves the technical problem of low confidentiality and adopts the technical proposal that the online doll grabbing machine comprises a doll machine, a server connected with the doll machine through a communication network and a mobile terminal connected with the server through the communication network; the doll machine comprises a manipulator, a manipulator control unit and a video image acquisition unit; the manipulator control unit and the video image acquisition unit are jointly connected with a data transmission unit, and the data transmission unit comprises a password generation device; the password generating device is used for generating a password, adding the password to the data header and the server for data encryption transmission; the technical scheme that the mobile terminal is used for carrying out data interaction with the server better solves the problem and can be applied to the doll machine.
Description
Technical Field
The invention relates to the technical field of doll machines, in particular to an online doll grabbing machine for blind people.
Background
A doll machine, also known as a pick-up vending machine, is an electronic game originated in japan. The commodity is displayed in a transparent box, a robot arm capable of controlling and grabbing the commodity is arranged on the transparent box, and a user needs to operate and control the arm according to own technology to obtain the commodity required by the user.
Most of the existing doll machines are controlled on site, and the requirements cannot be met today when people are increasingly expensive. Remote controlled dolls have also appeared, but they have the technical problem of low security for data transmission. Therefore, it is necessary to provide a net doll-catching machine for blind people with high security and reliability.
Disclosure of Invention
The invention aims to solve the technical problem of low confidentiality in the prior art. The novel online doll grabbing machine for the blind has the characteristics of high confidentiality, capability of adjusting grabbing difficulty and high functionality.
In order to solve the technical problems, the technical scheme is as follows:
an online doll grabbing machine for the blind comprises a doll machine, a server and a mobile terminal, wherein the server is connected with the doll machine through a communication network; the doll machine comprises a manipulator, a manipulator control unit and a video image acquisition unit; the manipulator control unit and the video image acquisition unit are jointly connected with a data transmission unit, and the data transmission unit comprises a password generation device; the password generating device is used for generating a password, adding the password to the data header and the server for data encryption transmission; the mobile terminal is used for carrying out data interaction with the server; the doll mechanical hand is provided with a signal receiver, and the doll is provided with a signal transmitter matched with the signal receiver; the data transmission unit further comprises a signal intensity detection unit connected with the signal receiver, the data transmission unit transmits a real-time detection result of the signal intensity detection unit to the mobile terminal through the server, the mobile terminal comprises an audio generator, and the size of a driving signal of the audio generator corresponds to the real-time detection result of the signal intensity detection unit.
In the above scheme, for optimization, the doll further includes a doll rail located below the manipulator, the doll rail is configured to drive a doll to move, and the doll further includes a rail control unit configured to control a speed of the doll rail.
Further, the password generation device comprises a true random number generation device, a pseudo random number generation device and a stream password generation device which is connected with the true random number generation device and the pseudo random number generation device through a dictionary CD; the dictionary CD is composed of synchronous true random numbers, and the true random number synchronizing device comprises a synchronous physical random source, an O/E conversion module, an A/D conversion module and a delay exclusive-or module.
Further, the synchronous physical random source comprises a third semiconductor laser DSL, a first semiconductor laser SL1 and a second semiconductor laser SL2 connected with the third semiconductor laser DSL; the third semiconductor laser DSL is provided with an external feedback cavity QT3 for providing the same drive signal to the first semiconductor laser SL1 and the second semiconductor laser SL 2; the first semiconductor laser SL1 and the second semiconductor laser SL2 are both provided with an external feedback cavity QT1, and the external cavity length and the feedback intensity of the external feedback cavity QT1 and the external feedback cavity QT3 are different.
Further, the pseudo-random number generation apparatus comprises a key distribution module, an RC4 program element connected with the key distribution module; the key distribution module is used for providing keys for the RC4 program unit;
the RC4 program unit is configured to execute the RC4 algorithm with the key provided by the key distribution module as a seed to obtain a random number sequence.
Further, the RC4 algorithm includes a key initialization algorithm and a pseudo-random number generation algorithm.
The invention has the beneficial effects that:
the method has the advantages that the secret codes generated by the secret code generating device are added to the data header to form encrypted data for transmission, so that the confidentiality of the communication network doll machine can be improved, and the isolation degree is improved;
and secondly, the generation of a flexible, high-speed and high-security stream cipher is realized by adopting a mode of combining a pseudo random number and a true random number and based on an RC4 algorithm and a synchronous physical random number generator. Moreover, through the stream cipher generated by modulo addition of the pseudo random number and the true random number, the error rate of the stream cipher is limited relative to the error rate amplification of the synchronous physical random number, and the applicability of the stream cipher is not influenced;
the track control unit can control the speed of the doll rail to drive the doll to improve the challenge difficulty and the interestingness;
the effect is four, through setting up the audio frequency device at mobile terminal, set up audio signal transmitter and receiver in pairs on manipulator and doll, can realize the operation of non-vision, realize that the blind person is suitable for communication network doll, improve application scope.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic diagram of a communication network doll machine system in embodiment 1.
Fig. 2 is a schematic diagram of a password generation apparatus.
Fig. 3 is a schematic flow chart of a generation method of the password generation apparatus.
In the drawings: the system comprises a manipulator 1, a manipulator 2, a manipulator control unit 3, a data transmission unit, a camera 4, a doll rail 5, a signal transmitter 6 and a signal receiver 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The embodiment provides an online doll grabbing machine for the blind, which comprises a doll machine, a server and a mobile terminal, wherein the server is connected with the doll machine through a communication network; the doll machine comprises a manipulator 1, a manipulator control unit 2 and a video image acquisition unit; the manipulator control unit 2 and the video image acquisition unit are connected with a data transmission unit 3 together, and the data transmission unit 3 comprises a password generation device; the password generating device is used for generating a password, adding the password to the data header and the server for data encryption transmission; the mobile terminal is used for carrying out data interaction with the server; the doll mechanical hand 1 is provided with a signal receiver 7, and the doll is provided with a signal emitter 6 matched with the signal receiver 7; the data transmission unit 3 further comprises a signal strength detection unit connected with the signal receiver 7, the data transmission unit 3 transmits the real-time detection result of the signal strength detection unit to the mobile terminal through the server, the mobile terminal comprises an audio generator, and the size of the driving signal of the audio generator corresponds to the real-time detection result of the signal strength detection unit. The wireless signal transmitter-receiver, infrared transmitter-receiver, laser transmitter-receiver can be used.
The video image acquisition unit adopts a camera 4 device arranged on the four walls of the doll cabinet body. The mobile terminal uses a mobile phone. The manipulator 1 and the manipulator control unit 2 adopt the existing posture control devices of the doll manipulator 1 and the manipulator 1. The data transmission unit 3 includes a transceiver module for a communication network communication device in addition to the password generation device.
In order to improve the experience, it is preferable that the doll further includes a doll rail 5 below the robot arm 1, the doll rail 5 being used to move the doll, and the doll further includes a rail control unit for controlling the speed of the doll rail 5, as shown in fig. 1.
Specifically, as shown in fig. 2, the password generation device includes a true random number generation device, a pseudo random number generation device, and a stream password generation device connected in common with the true random number generation device and the pseudo random number generation device through a dictionary CD; the dictionary CD is composed of synchronous true random numbers, and the true random number synchronizing device comprises a synchronous physical random source, an O/E conversion module, an A/D conversion module and a delay exclusive-or module.
Specifically, the synchronous physical random source comprises a third semiconductor laser DSL, a first semiconductor laser SL1 and a second semiconductor laser SL2 connected with the third semiconductor laser DSL; the third semiconductor laser DSL is provided with an external feedback cavity QT3 for providing the same drive signal to the first semiconductor laser SL1 and the second semiconductor laser SL 2; the first semiconductor laser SL1 and the second semiconductor laser SL2 are both provided with an external feedback cavity QT1, and the external cavity length and the feedback intensity of the external feedback cavity QT1 and the external feedback cavity QT3 are different.
Specifically, the pseudo-random number generation device comprises a key distribution module, an RC4 program unit connected with the key distribution module; the key distribution module is used for providing keys for the RC4 program unit; the RC4 program unit is configured to execute the RC4 algorithm with the key provided by the key distribution module as a seed to obtain a random number sequence.
Wherein the RC4 algorithm includes a key initialization algorithm and a pseudo-random number generation algorithm.
In order to realize the blind person operation and control of the doll machine system, preferably, as shown in fig. 1, the RC4 stream password generation method of the present embodiment is based on the RC4 stream password generation apparatus, as shown in fig. 3, and the method includes:
step 1, a pseudo-random number generating device generates a random number sequence by executing an RC4 algorithm;
Codet＝mod(Zt+CDt[jt],256)。
the RC4 algorithm works in detail as the existing RC4 algorithm, where N is 512, and the state S is first assigned initial values of 0,1,2, and … 512. The value of the key is then given to T in a round-robin fashion depending on the length of the key. And after assignment is completed, the algorithm carries out rearrangement and combination of the state S according to the value in the T. This process is KSA. After the rearrangement and combination of the state S is completed, the algorithm immediately carries out PRGA, and simultaneously continuously and circularly executes the generation process of random numbers to generate a pseudo-random sequence.
The process of generating synchronous true random numbers in this embodiment is as shown in fig. 3, and includes:
step A: the third semiconductor laser DSL generates an initial chaotic laser signal under the action of the outer cavity feedback;
and B: the initial chaotic laser signal is used as a driving signal and is split into the same chaotic signal SG1 and a chaotic signal SG2, the chaotic signal SG1 is injected into a first semiconductor laser SL1, and the chaotic signal SG2 is injected into a second semiconductor laser SL 2;
and C: the synchronous chaotic laser signals generated by the first semiconductor laser SL1 and the second semiconductor laser SL2 are subjected to O/E conversion by a photoelectric detector in the photoelectric conversion module to obtain an electric signal SE;
step D: the electric signal SE passes through an A/D module, and a binary sequence C2D is obtained after sampling, quantization and judgment;
step E: the random number sequence of the binary sequence C2D after time delay exclusive-or is a synchronous true random number.
Preferably, the dictionary CD is updated periodically based on true random numbers and their generation rate.
The invention is further described by taking n ═ 8bit as an example. The third semiconductor laser DSL was operated in the vicinity of the center at 1550nm with a frequency deviation of 5.8GHz from the first semiconductor laser SL1 and the second semiconductor laser SL 2. The specific system parameter is that the working currents of the third semiconductor lasers DSL and SLs are both 26.46 mA. The feedback time and intensity of the third semiconductor laser DSL are 3ns and 15ns respectively-1The intensity and the time delay of the third semiconductor laser DSL injected into the SLs are respectively 45ns-1And 0 ns. Under this condition, the feedback time and intensity of the first semiconductor laser SL1 and the second semiconductor laser SL2 themselves are 2ns and 10ns, respectively-1。
The data encryption of the embodiment has the following characteristics: the security of the key mainly depends on the security of the physical random number and the security of the seed key; the synchronous physical random number is generated by using synchronous chaotic laser as a physical random source and combining a subsequent module and is a physical true random number; the sent data is adopted to obtain the seed key of the mature low-speed key distribution technology which is the RC4 algorithm, and the algorithm complexity is low; performing modulo addition between a pseudo-random sequence generated by an RC4 algorithm and a dictionary CD element specified by a value of a pointer j to be used as a stream cipher, wherein the process does not involve iterative operation of physical random numbers, so that the rapid amplification of the error rate is not caused; the combination of the physical random number and the pseudo random number generated by the RC4 can eliminate the distribution deviation of the pseudo random number caused by different seed keys of the RC4, and effectively resist the state guessing attack.
The security can be greatly improved in the aspect of remotely controlling the data transmission of the doll machine.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.
Claims (5)
1. The utility model provides a blind person is with grabbing baby machine on net which characterized in that: the on-line doll grabbing machine for the blind comprises a doll machine, a server and a mobile terminal, wherein the server is connected with the doll machine through a communication network;
the doll machine comprises a manipulator, a manipulator control unit and a video image acquisition unit; the manipulator control unit and the video image acquisition unit are jointly connected with a data transmission unit, and the data transmission unit comprises a password generation device;
the password generating device is used for generating a password, adding the password to the data header and the server for data encryption transmission;
the mobile terminal is used for carrying out data interaction with the server;
the doll mechanical hand is provided with a signal receiver, and the doll is provided with a signal transmitter matched with the signal receiver; the data transmission unit further comprises a signal intensity detection unit connected with the signal receiver, the data transmission unit transmits a real-time detection result of the signal intensity detection unit to the mobile terminal through the server, the mobile terminal comprises an audio generator, and the size of a driving signal of the audio generator corresponds to the real-time detection result of the signal intensity detection unit;
the password generating device comprises a true random number generating device, a pseudo random number generating device and a stream password generating device which is connected with the true random number generating device and the pseudo random number generating device through a dictionary CD; the dictionary CD is composed of synchronous true random numbers, and the true random number generation device comprises a synchronous physical random source, an O/E conversion module, an A/D conversion module and a delay exclusive-or module.
2. The net doll catching machine for blind persons according to claim 1, characterized in that: the doll machine also comprises a doll machine rail positioned below the manipulator, the doll machine rail is used for driving a doll to move, and the doll machine also comprises a rail control unit used for controlling the rail speed of the doll machine.
3. The net doll catching machine for blind persons according to claim 1, characterized in that: the synchronous physical random source comprises a third semiconductor laser DSL, a first semiconductor laser SL1 and a second semiconductor laser SL2 which are connected with the third semiconductor laser DSL; the third semiconductor laser DSL is provided with an external feedback cavity QT3 for providing the same drive signal to the first semiconductor laser SL1 and the second semiconductor laser SL 2; the first semiconductor laser SL1 and the second semiconductor laser SL2 are both provided with an external feedback cavity QT1, and the external cavity length and the feedback intensity of the external feedback cavity QT1 and the external feedback cavity QT3 are different.
4. The net doll catching machine for blind persons according to claim 1, characterized in that: the pseudo-random number generation device comprises a key distribution module, an RC4 program unit connected with the key distribution module;
the key distribution module is used for providing keys for the RC4 program unit;
the RC4 program unit is configured to execute the RC4 algorithm with the key provided by the key distribution module as a seed to obtain a random number sequence.
5. The net doll catching machine for blind persons as claimed in claim 4, wherein: the RC4 algorithm includes a key initialization algorithm and a pseudo-random number generation algorithm.
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