CN110224821B - Communication encryption method for unmanned mobile platform - Google Patents
Communication encryption method for unmanned mobile platform Download PDFInfo
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- CN110224821B CN110224821B CN201910490994.2A CN201910490994A CN110224821B CN 110224821 B CN110224821 B CN 110224821B CN 201910490994 A CN201910490994 A CN 201910490994A CN 110224821 B CN110224821 B CN 110224821B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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Abstract
The invention discloses a communication encryption method of an unmanned mobile platform, which comprises a communication method of an unmanned mobile device and a control device, and comprises the following steps: the unmanned mobile device and the control device are simultaneously preset with a group of keys, and the communication encryption process of the unmanned mobile device and the control device is realized through the group of keys; the communication method for exchanging the control right of the unmanned mobile device between the two control devices comprises the following steps: the current control device encrypts the ID of the control device to be taken over and the authentication code and then sends the encrypted ID to the unmanned mobile device, and the current control device encrypts the ID of the unmanned mobile device, the authentication code and the preset key and then sends the encrypted ID to the control device to be taken over; the method solves the problem of high-safety encryption of communication between the unmanned mobile device and the control device, and solves the problems of continuation and safety exchange of the control right of the unmanned mobile device during cross-region movement.
Description
Technical Field
The invention relates to the technical field of quantum communication, in particular to a communication encryption method of an unmanned mobile platform.
Background
Unmanned mobile device is the unmanned control mobile device including unmanned aerial vehicle, unmanned ship, unmanned submarine, unmanned car, unmanned aerial vehicle robot etc. along with the development of unmanned mobile device technique, unmanned mobile device has been widely used in fields such as aerial photograph, ocean survey and drawing, underwater detection, safety are patrolled and examined, investigation and agricultural operation, has advantages such as the deployment is nimble, the operation is accurate, high-efficient environmental protection and save a large amount of human costs. At present, communication and control between the unmanned mobile device and a control station (or a control device) are basically unencrypted, even if the communication and the control are encrypted, only a traditional public and private key encryption system is adopted, once the unmanned mobile device is maliciously captured and disassembled by a person, control information is very easy to imitate, and meanwhile, the problems of data loss, embezzlement and the like are also easily caused.
For the remote tour unmanned mobile device, when the unmanned mobile device arrives from one area to another area, due to the fact that the signal coverage range is limited, the control right handover behavior is inevitable, the handover process is troublesome, even potential safety hazards occur, and the risk that the unmanned mobile device is maliciously hijacked by a third party exists.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a communication encryption method for an unmanned mobile platform, which solves the problem of high security encryption of communication between an unmanned mobile device and a control device by applying quantum cryptography, and solves the problems of continuation and security exchange of control rights of the unmanned mobile device during cross-region movement.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a communication encryption method of an unmanned mobile platform comprises the unmanned mobile device and a control device, wherein quantum encryption modules are arranged in the control device and the unmanned mobile device, the control device is in wireless communication connection with the unmanned mobile device, the control device is connected with an encryption machine, and the encryption machine is connected with a quantum key distribution terminal;
the communication encryption method comprises a communication method for the unmanned mobile device and the control device and a communication method for exchanging the control right of the unmanned mobile device between two control devices across areas;
the communication method of the unmanned mobile device and the control device comprises the following steps:
(1a) the unmanned mobile device and the control device are simultaneously preset with a group of keys, and the group of keys are encryption keys for communication between the unmanned mobile device and the control device;
(2a) encrypting a data plaintext at a sending end into a ciphertext through a quantum encryption module and the preset key in the step (1a), and sending the ciphertext in a wireless signal mode;
(3a) after receiving the ciphertext, the receiving end decrypts the ciphertext into a data plaintext through a quantum encryption module of the receiving end and the preset key in the step (1 a);
the sending end is an unmanned mobile device, the receiving end is a control device, or the sending end is a control device, and the receiving end is an unmanned mobile device;
the communication method for exchanging the control right of the unmanned mobile device between the two control devices comprises the following steps:
(1b) a quantum key distribution terminal of a current control device end and a quantum key distribution terminal of a control device end to be taken over generate symmetric quantum keys through quantum channel negotiation, and the symmetric quantum keys are respectively distributed to correspondingly connected encryptors;
(2b) the current control device encrypts the ID and the authentication code of the control device to be taken over into a ciphertext through a quantum encryption module and then sends the ciphertext to the unmanned mobile device, wherein an encryption key adopted by the quantum encryption module is a preset key in the step (1 a); meanwhile, the current control device sends the ID, the authentication code and the preset key of the unmanned mobile device needing to exchange the control right to a connected encryptor, the encryptor encrypts the ID, the authentication code and the preset key of the unmanned mobile device by adopting a quantum key and sends a ciphertext to the encryptor connected with the control device to be taken over through a secure channel, and the encryptor decrypts the ciphertext by adopting the quantum key to obtain the ID, the authentication code and the preset key of the unmanned mobile device and sends the ID, the authentication code and the preset key of the unmanned mobile device to the control device to be taken over;
(3b) the control device to be taken over encrypts the ID and the authentication code into a ciphertext through a quantum encryption module and then sends the ciphertext out in a wireless signal mode, wherein an encryption key adopted by the quantum encryption module is a preset key in the step (1 a);
(4b) after receiving the ciphertext, the unmanned mobile device decrypts the ciphertext through a self quantum encryption module and a preset key to obtain the ID and the authentication code of the control device to be taken over, authenticates whether the ID and the authentication code of the control device to be taken over, sent by the control device to be taken over, are consistent with the ID and the authentication code of the control device to be taken over, sent by the current control device, or not, if the authentication is consistent, the unmanned mobile device feeds back a consistent signal to the control device to be taken over, and the control device to be taken over takes over the control right of the unmanned mobile device.
As a further improved technical solution of the present invention, the step (1a) specifically includes: and respectively charging a quantum encryption module in the unmanned mobile device and a quantum encryption module in the control device with keys by adopting a key server, so that a group of keys are preset in the unmanned mobile device and the control device at the same time, and the group of keys are encryption keys for communication between the unmanned mobile device and the control device.
As a further improved technical scheme of the invention, the key filled by the key service is a pseudo-random number, a true random number generated by a common physical noise source, a true random number generated by a quantum random number generator or a quantum key generated by a quantum key distribution terminal.
As a further improved technical solution of the present invention, the quantum encryption module includes an encryption/decryption module, a communication module, a key storage module, and a key acquisition module, where the key acquisition module is configured to acquire a key charged by a key server and store the key in the key storage module; the encryption and decryption module is used for encrypting data plaintext or decrypting ciphertext through a key stored by the key storage module, and the communication module is used for sending out ciphertext obtained after encryption by the encryption and decryption module in a wireless signal mode or receiving ciphertext sent by a sending end in a wireless signal mode.
As a further improved technical scheme of the invention, the encryption algorithm adopted by the quantum encryption module comprises a symmetric encryption algorithm or a one-time pad encryption mode;
as a further improved technical solution of the present invention, the key server charges a key to a key acquisition module in the quantum encryption module in an RJ45 interface communication mode, an encrypted TF card communication mode, an encrypted UKey communication mode, or a bluetooth communication mode.
As a further improved technical scheme of the invention, the authentication code is a segment of random number.
The invention has the beneficial effects that: the invention uses the quantum random number key as the communication encryption key, greatly improves the security of communication between the unmanned mobile device and the control device, and on one hand, can effectively avoid the problem that the keys of other unmanned mobile devices are also cracked due to the fact that the key of a single unmanned mobile device is cracked; on the other hand, the quantum random number key has true randomness, unpredictability and irreproducibility, and the information leakage risk caused by monitoring and hijacking of the unmanned mobile device is greatly reduced. In addition, the quantum key distribution network established by the QKD equipment can realize the function of safely exchanging the cross-region mobile control right and the symmetric cipher book of the unmanned mobile device, and the safety and the convenience of cross-region mobile communication are improved. The problem of high-safety encryption of communication between the unmanned mobile device and the control device is solved, and the problems of continuation and safety exchange of the control right of the unmanned mobile device during cross-region movement are solved.
Drawings
Fig. 1 is a diagram illustrating a process of information transfer by the control device exchanging the control right of the unmanned mobile device according to the embodiment.
Fig. 2 is a structural diagram of the quantum cryptography module according to the embodiment.
Fig. 3 is a diagram of a key charging process according to the present embodiment.
Detailed Description
The following further describes embodiments of the present invention with reference to fig. 1 to 3:
the invention adds the quantum encryption module on the premise of not changing the communication module of the original unmanned mobile device and the control device (such as a control station). In an unmanned mobile device (such as unmanned remote control devices of unmanned aircrafts, unmanned ships, unmanned submarines, unmanned vehicles and the like), communication data plaintext enters a quantum encryption module to be encrypted, and after a ciphertext is formed, the ciphertext is sent to a control device by a communication module in a wireless mode; similarly, data plaintext of communication in the control device enters the quantum encryption module to be encrypted, and after a ciphertext is formed, the data plaintext is sent to the unmanned mobile device by the communication module in a wireless mode.
When the unmanned mobile device moves across areas and needs to exchange control rights, authentication and key distribution are needed. The present embodiment establishes a quantum secure communication network using a quantum key distribution apparatus, encrypts an ID of an unmanned mobile device and a preset key using a generated quantum key, and transmits the encrypted ID and preset key from one area control device to another area control device.
Firstly, in this embodiment, quantum communication networks are erected at sites of control devices in different areas, and the quantum communication networks are composed of QKD (quantum key distribution terminal), optical fibers and the like, and symmetric quantum keys can be generated at two ends in real time; the QKD is connected with the encryption machine, a quantum key generated by the QKD is transmitted to the encryption machine, and the encryption machine can encrypt and decrypt information sent between the control devices by using the quantum key; namely, the control device is connected with the encryption machine; as shown in fig. 1. A quantum encryption module is arranged inside each control device and each unmanned mobile device, the structure of the quantum encryption module is shown in figure 2, service data plaintext of a sending end enters the quantum encryption module to be encrypted into a ciphertext, and the ciphertext is coded by the communication module and then sent out in a wireless signal mode; the wireless signal received by the receiving end is decoded by the communication module and then is decrypted into a service data plaintext by the quantum encryption and decryption module. The structure of the quantum encryption module comprises an encryption and decryption module, a key storage module, a key management module, a key acquisition module and a communication module, wherein the encryption and decryption module is used for: the encryption/decryption operation is carried out on the service data by using the key, and the encryption algorithm supports a symmetric encryption algorithm (such as DES, AES, stream encryption, a commercial cipher SM4 algorithm and the like) and also supports an XOR encryption mode of one-time pad. The key storage module has the functions of: and in the safe storage area for storing the quantum key, when the quantum encryption and decryption module needs the quantum key, the quantum key in the quantum cipher storage module is called. The key management module has the functions of: the quantum key is managed, key synchronization, key acquisition, key storage, lamp expansion and lamp deletion are achieved, and other quantum password related modules work cooperatively under the management of the quantum key. The key acquisition module has the functions of: the system is responsible for quantum keys, supports modes of online key acquisition, offline key acquisition and the like, and interfaces can adopt RJ45, encrypted USB, encrypted TF card, encrypted UKey, Bluetooth and the like as required.
The embodiment specifically provides a communication encryption method for an unmanned mobile platform, wherein the unmanned mobile platform comprises an unmanned mobile device and a control device, quantum encryption modules are arranged in the control device and the unmanned mobile device, and the control device is in wireless communication connection with the unmanned mobile device; the communication encryption method comprises a communication method of the unmanned mobile device and the control device and a communication method of exchanging the control right of the unmanned mobile device between two control devices across areas.
The communication method of the unmanned mobile device and the control device comprises the following steps:
(1a) before operation, a secret key server is adopted to respectively fill secret keys into a quantum encryption module in the unmanned mobile device and a quantum encryption module in the control device, so that a group of secret keys are preset between the unmanned mobile device and the control device at the same time, and the group of secret keys are encryption secret keys for communication between the unmanned mobile device and the control device. Process of populating key server referring to fig. 3, a key server populates keys for a plurality of unmanned mobile devices and control devices, where k1, k 2. One control device can control a plurality of unmanned mobile devices to operate, and the plurality of unmanned mobile devices can communicate with the same control device. The key server of the embodiment has the functions of managing key application equipment, charging keys and the like, before operation, the key server charges keys to the unmanned mobile device and the control device, the charged keys can be pseudo-random numbers, true random numbers generated by a common physical noise source, true random numbers generated by a quantum random number generator and quantum keys generated by QKD, the key charging comprises short-distance transmission modes such as encryption TF card, encryption UKey, Bluetooth and the like, the key distribution is convenient, and the key distribution can be controlled in a small range. Filling safety needs to be ensured.
(2a) And (3) encrypting the data plaintext at the sending end into a ciphertext through an encryption and decryption module of the quantum encryption module in the data plaintext and the preset key in the step (1a), and sending the ciphertext through the communication module in a wireless signal mode. And (3) after the receiving end receives the ciphertext through the communication module, decrypting the ciphertext into a data plaintext through the encryption and decryption module of the quantum encryption module and the preset key in the step (1 a). The sending end is an unmanned mobile device, and the receiving end is a control device, or the sending end is a control device and the receiving end is an unmanned mobile device.
The communication method for exchanging the control right of the unmanned mobile device between the two control devices across the area comprises the following steps (wherein the two control devices across the area are marked as a current control device and a control device to be taken over):
(1b) the QKD of the site end of the current control device and the QKD of the site of the control device to be taken over generate a symmetric quantum key (hereinafter referred to as quantum key) through quantum channel negotiation, and the symmetric quantum key and the quantum key are respectively distributed to the correspondingly connected encryptors in an online distribution mode;
(2b) when the unmanned mobile device needs to exchange the control right, the current control device encrypts the ID and the authentication code of the control device to be taken over into a ciphertext through an encryption and decryption module in the quantum encryption module and sends the ciphertext to the unmanned mobile device through the communication module, wherein the encryption key adopted by the quantum encryption module is the preset key in the step (1a), and the authentication code is a section of random number; meanwhile, the current control device sends the ID, the authentication code and the preset key of the unmanned mobile device needing to exchange the control right to a connected encryptor, the encryptor encrypts the ID, the authentication code and the preset key of the unmanned mobile device by using a quantum key (the quantum key is a symmetric quantum key distributed by QKD) and sends a ciphertext to the encryptor connected with the control device to be taken over through a secure channel established between the encryptors, and the encryptor decrypts the ciphertext by using the quantum key to obtain the ID, the authentication code and the preset key of the unmanned mobile device and sends the ID, the authentication code and the preset key of the unmanned mobile device to be taken over to the control device to be taken over;
(3b) the control device to be taken over encrypts the ID and the authentication code of the control device to be taken over into a ciphertext through an encryption and decryption module in the quantum encryption module and sends the ciphertext out through the communication module, wherein the encryption key adopted by the quantum encryption module is the preset key in the step (1 a);
(4b) after receiving the ciphertext through the communication module, the unmanned mobile device decrypts through a self quantum encryption module and a preset secret key to obtain the ID and the authentication code of the control device to be taken over, authenticates whether the ID and the authentication code of the control device to be taken over sent by the control device to be taken over are consistent with the ID and the authentication code of the control device to be taken over sent by the current control device, if the authentication is consistent, the unmanned mobile device feeds back a consistent signal to the control device to be taken over, the control device to be taken over takes over the control right of the unmanned mobile device, and the control device to be taken over starts to control the operation of the unmanned mobile device. And the communication mode of the later standby receiving control device and the unmanned mobile device still uses the previous preset key.
When the key server of this embodiment uses a quantum key (i.e., the above symmetric key) generated by the QKD for charging the quantum encryption module in the unmanned mobile device and the quantum encryption module in the control device, respectively, because the QKD of the control device to be taken over also has the quantum key, the control device end may not transmit the preset key to the control device end to be taken over at the moment of exchanging the control right, but only transmit the identifier of the preset key to the control device end to be taken over, and the encryption machine of the control device end to be taken over selects the preset key corresponding to the identifier in the preset key through the identifier of the preset key and transmits the preset key to the control device. Since the key generated by QKD at both ends is a symmetric key, the distribution of the key has been completed.
A key acquisition module in the quantum encryption module in the embodiment is used for acquiring a key filled by a key server and storing the key into a key storage module; the encryption and decryption module is used for encrypting data plaintext or decrypting ciphertext through a key stored by the key storage module, and the communication module is used for sending out ciphertext obtained after encryption by the encryption and decryption module in a wireless signal mode or receiving ciphertext sent by the sending end in a wireless signal mode.
The key server in this embodiment may charge a key to the key acquisition module in the quantum encryption module in an RJ45 interface communication mode, an encrypted TF card communication mode, an encrypted UKey communication mode, or a bluetooth communication mode.
In this embodiment, a set of keys preset between the unmanned mobile device and the control device is used as encryption and decryption keys for communication, control and data transmission between the unmanned mobile device and the controller. The encryption mode of the preset key between the unmanned mobile device and the control device can be as follows: bit xor type one-time pad, stream key encryption, block key encryption, etc.; the control device is used for controlling the operation of the unmanned mobile device, and the control device can be positioned on the ground, an island, underwater, another unmanned mobile device, a ship or any other movable or fixed carrier.
In the embodiment, the quantum random number key is used as the communication encryption key, so that the safety of communication between the unmanned mobile device and the control device is greatly improved, and on one hand, the problem that keys of other unmanned mobile devices are cracked due to the fact that the key of a single unmanned mobile device is cracked can be effectively solved; on the other hand, the quantum random number key has true randomness, unpredictability and irreproducibility, and the information leakage risk caused by monitoring and hijacking of the unmanned mobile device is greatly reduced. In addition, the quantum key distribution network established by the QKD equipment can realize the function of safely exchanging the cross-region control right of the unmanned mobile device and the symmetric cipher book, and the safety and the convenience of cross-region mobile communication are improved.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (7)
1. The communication encryption method of the unmanned mobile platform is characterized in that the unmanned mobile platform comprises an unmanned mobile device and a control device, quantum encryption modules are arranged in the control device and the unmanned mobile device, the control device is in wireless communication connection with the unmanned mobile device, the control device is connected with an encryption machine, and the encryption machine is connected with a quantum key distribution terminal;
the communication encryption method comprises a communication method for the unmanned mobile device and the control device and a communication method for exchanging the control right of the unmanned mobile device between two control devices across areas;
the communication method of the unmanned mobile device and the control device comprises the following steps:
(1a) the unmanned mobile device and the control device are simultaneously preset with a group of keys, and the group of keys are encryption keys for communication between the unmanned mobile device and the control device;
(2a) encrypting a data plaintext at a sending end into a ciphertext through a quantum encryption module and the preset key in the step (1a), and sending the ciphertext in a wireless signal mode;
(3a) after receiving the ciphertext, the receiving end decrypts the ciphertext into a data plaintext through a quantum encryption module of the receiving end and the preset key in the step (1 a);
the sending end is an unmanned mobile device, the receiving end is a control device, or the sending end is a control device, and the receiving end is an unmanned mobile device;
the communication method for exchanging the control right of the unmanned mobile device between the two control devices comprises the following steps:
(1b) a quantum key distribution terminal of a current control device end and a quantum key distribution terminal of a control device end to be taken over generate symmetric quantum keys through quantum channel negotiation, and the symmetric quantum keys are respectively distributed to correspondingly connected encryptors;
(2b) the current control device encrypts the ID and the authentication code of the control device to be taken over into a ciphertext through a quantum encryption module and then sends the ciphertext to the unmanned mobile device, wherein an encryption key adopted by the quantum encryption module is a preset key in the step (1 a); meanwhile, the current control device sends the ID, the authentication code and the preset key of the unmanned mobile device needing to exchange the control right to a connected encryptor, the encryptor encrypts the ID, the authentication code and the preset key of the unmanned mobile device by adopting a quantum key and sends a ciphertext to the encryptor connected with the control device to be taken over through a secure channel, and the encryptor decrypts the ciphertext by adopting the quantum key to obtain the ID, the authentication code and the preset key of the unmanned mobile device and sends the ID, the authentication code and the preset key of the unmanned mobile device to the control device to be taken over;
(3b) the control device to be taken over encrypts the ID and the authentication code into a ciphertext through a quantum encryption module and then sends the ciphertext out in a wireless signal mode, wherein an encryption key adopted by the quantum encryption module is a preset key in the step (1 a);
(4b) after receiving the ciphertext, the unmanned mobile device decrypts the ciphertext through a self quantum encryption module and a preset key to obtain the ID and the authentication code of the control device to be taken over, authenticates whether the ID and the authentication code of the control device to be taken over, sent by the control device to be taken over, are consistent with the ID and the authentication code of the control device to be taken over, sent by the current control device, or not, if the authentication is consistent, the unmanned mobile device feeds back a consistent signal to the control device to be taken over, and the control device to be taken over takes over the control right of the unmanned mobile device.
2. The communication encryption method for the unmanned mobile platform of claim 1, wherein the step (1a) specifically comprises: and respectively charging a quantum encryption module in the unmanned mobile device and a quantum encryption module in the control device with keys by adopting a key server, so that a group of keys are preset in the unmanned mobile device and the control device at the same time, and the group of keys are encryption keys for communication between the unmanned mobile device and the control device.
3. The method for encrypting communication of unmanned mobile platform according to claim 2, wherein the key of said key service charging is a pseudo random number, a true random number generated by a common physical noise source, a true random number generated by a quantum random number generator, or a quantum key generated by a quantum key distribution terminal.
4. The communication encryption method for the unmanned mobile platform of claim 2, wherein the quantum encryption module comprises an encryption and decryption module, a communication module, a key storage module and a key acquisition module, and the key acquisition module is configured to acquire a key charged by the key server and store the key into the key storage module; the encryption and decryption module is used for encrypting data plaintext or decrypting ciphertext through a key stored by the key storage module, and the communication module is used for sending out ciphertext obtained after encryption by the encryption and decryption module in a wireless signal mode or receiving ciphertext sent by a sending end in a wireless signal mode.
5. The communication encryption method for the unmanned mobile platform as claimed in claim 4, wherein the encryption algorithm adopted by the quantum encryption module comprises a symmetric encryption algorithm or a one-time pad encryption mode;
6. the communication encryption method for the unmanned mobile platform of claim 3, wherein the key server fills the key into the key obtaining module in the quantum encryption module through an RJ45 interface communication mode, an encrypted TF card communication mode, an encrypted UKey communication mode or a Bluetooth communication mode.
7. The unmanned mobile platform communication encryption method of claim 1, wherein the authentication code is a random number.
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| CN111610802A (en) * | 2020-05-29 | 2020-09-01 | 中国石油化工股份有限公司 | Relay control method and system for unmanned aerial vehicle flight |
| CN111665863A (en) * | 2020-05-29 | 2020-09-15 | 中国石油化工股份有限公司 | Relay control method and system for unmanned aerial vehicle |
| WO2022060288A2 (en) * | 2020-09-15 | 2022-03-24 | 华为技术有限公司 | Method for secure communication between unmanned aerial vehicle and remote controller, and related apparatus |
| CN112906037A (en) * | 2021-03-26 | 2021-06-04 | 北京三快在线科技有限公司 | Communication encryption system, method and device |
| CN114679267A (en) * | 2022-03-25 | 2022-06-28 | 合肥硅臻芯片技术有限公司 | Unmanned aerial vehicle control system based on quantum encryption |
| CN114710276A (en) * | 2022-03-28 | 2022-07-05 | 浙江国盾量子电力科技有限公司 | Quantum encryption satellite communication system and method applied to unmanned aerial vehicle |
| CN115567205A (en) * | 2022-09-29 | 2023-01-03 | 中电信量子科技有限公司 | Method and system for realizing encryption and decryption of network session data stream by quantum key distribution |
| CN115567206A (en) * | 2022-09-29 | 2023-01-03 | 中电信量子科技有限公司 | Method and system for realizing encryption and decryption of network data message by quantum distribution key |
| CN115567207A (en) * | 2022-09-29 | 2023-01-03 | 中电信量子科技有限公司 | Method and system for realizing multicast data encryption and decryption by quantum key distribution |
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| CN107508847B (en) * | 2016-06-14 | 2021-06-08 | 斑马智行网络(香港)有限公司 | Connection establishing method, device and equipment |
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