CN111193586B - Information processing method, packet transport network device and quantum key device - Google Patents
Information processing method, packet transport network device and quantum key device Download PDFInfo
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- CN111193586B CN111193586B CN201811352026.7A CN201811352026A CN111193586B CN 111193586 B CN111193586 B CN 111193586B CN 201811352026 A CN201811352026 A CN 201811352026A CN 111193586 B CN111193586 B CN 111193586B
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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
Abstract
The invention discloses an information processing method, a packet transport network device and a quantum key device, wherein the information processing method comprises the following steps: sending a heartbeat message to quantum key equipment through a management channel between the quantum key equipment and Packet Transport Network (PTN) equipment; receiving a confirmation message fed back by the quantum key equipment; and analyzing the confirmation message to obtain an analysis result. According to the embodiment of the invention, the management channel between the quantum key device and the PTN device is established, the heartbeat message is transmitted through the management channel, the quantum key device and the PTN device are managed together to form a manageable quantum communication system, the connection link fault of the quantum key device can be positioned, the state of the quantum key device can be inquired, the information such as the key length, the key speed, the key updating period and the like can be obtained, and the operation, maintenance and management efficiency can be effectively improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information processing method, a packet transport network device, and a quantum key device.
Background
With the continuous and rapid development of computer network technology, applications such as network communication, electronic commerce, electronic government affairs, electronic finance and the like enable people to rely on networks to work and live more and more, a large amount of sensitive information needs to be transmitted through the networks, people need to protect own information from being stolen or tampered, and cryptography provides powerful guarantee for people. With the development of cryptography, quantum cryptography starts to come into the sight of people. The quantum cipher is a new cipher system based on modern cryptology and quantum mechanics and with quantum physics method to realize cipher idea and operation. This encryption method is to use quantum states as keys for encryption and decryption of information.
PTN (Packet Transport Network) equipment and quantum key equipment belong to two sets of independent systems, and operators manage the PTN equipment, and a third party manages the quantum key equipment, so that the following problems easily occur in the aspects of operation, maintenance and management: 1. the connecting link of the PTN equipment and the quantum key equipment only can transmit keys and cannot transmit management information identified by both sides; 2. when a connection link fails, the failure condition and the failure reason cannot be known; 3. when the PTN device management personnel need to know the key information, the PTN device management personnel can only verbally know the sub-key personnel, and the operation and maintenance efficiency is low. These disadvantages make quantum key devices difficult to implement on a large scale in existing networks.
Disclosure of Invention
In order to solve the technical problem, the invention provides an information processing method, a packet transport network device and a quantum key device, so as to solve the problem that management information cannot be transmitted between a Packet Transport Network (PTN) device and the quantum key device in the prior art.
According to an aspect of the present invention, there is provided an information processing method applied to a packet transport network PTN device, the method including:
sending a heartbeat message to quantum key equipment through a management channel between the quantum key equipment and Packet Transport Network (PTN) equipment;
receiving a confirmation message fed back by the quantum key equipment;
and analyzing the confirmation message to obtain an analysis result.
Optionally, after obtaining the parsing result, the method further includes:
and sending the analysis result to a network manager or a controller.
Optionally, sending the analysis result to a network manager or a controller, including:
writing the analysis result into the quantum key device attribute of the remote port of the PTN device;
sending the quantum key device attribute to a network management agent through the PTN device remote port;
and sending the quantum key equipment attribute to a network manager or a controller through the network manager proxy.
Optionally, the controller is in communication connection with a client Application program (APP for short) or an upper controller of the controller through a quantum key device attribute interface.
Optionally, the message formats of the heartbeat message and the confirmation message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field.
Optionally, the message content field of the acknowledgement packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
According to another aspect of the present invention, there is provided an information processing method applied to a quantum key device, the method including:
receiving a heartbeat message sent by PTN equipment through a management channel between quantum key equipment and the PTN equipment;
and feeding back a confirmation message to the PTN equipment according to the heartbeat message.
Optionally, the message content field of the acknowledgment packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
In accordance with another aspect of the present invention, there is provided a packet transport network device, comprising a processor and a transceiver,
the transceiver is configured to: sending a heartbeat message to quantum key equipment through a management channel between the quantum key equipment and Packet Transport Network (PTN) equipment; receiving a confirmation message fed back by the quantum key equipment;
the processor is configured to: and analyzing the confirmation message to obtain an analysis result.
Optionally, after obtaining the parsing result, the processor is further configured to:
and sending the analysis result to a network manager or a controller.
Optionally, when the processor sends the analysis result to the network manager or the controller, the processor is further configured to:
writing the analysis result into the quantum key device attribute of the remote port of the PTN device;
sending the quantum key device attribute to a network management agent through the PTN device remote port;
and sending the quantum key equipment attribute to a network manager or a controller through the network manager proxy.
Optionally, the controller is in communication connection with a client application APP or an upper controller of the controller through a quantum key device attribute interface.
Optionally, the message formats of the heartbeat message and the acknowledgement message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field.
Optionally, the message content field of the acknowledgment packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
In accordance with another aspect of the present invention, there is provided a quantum key device comprising a processor and a transceiver, the transceiver being configured to:
receiving a heartbeat message sent by a Packet Transport Network (PTN) device through a management channel between a quantum key device and the PTN device;
and feeding back a confirmation message to the PTN equipment according to the heartbeat message.
Optionally, the message content field of the acknowledgment packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
According to another aspect of the present invention, there is provided a quantum communication system including a packet transport network device as described above and a quantum key device as described above.
According to a further aspect of the present invention, there is provided a computer-readable storage medium on which there is stored a computer program which, when executed by a processor, implements the information processing method applied to a packet transport network PTN device as described above or implements the steps in the information processing method applied to a quantum key device as described above.
According to the technical scheme, the quantum key device and the PTN device are managed together to form a manageable quantum communication system by establishing the management channel between the quantum key device and the PTN device and transmitting the heartbeat message through the management channel, so that the connection link fault of the quantum key device can be positioned, the state of the quantum key device can be inquired, the information such as the key length, the key rate, the key updating period and the like can be obtained, and the operation, maintenance and management efficiency can be effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic flow chart of an information processing method applied to a PTN device according to an embodiment of the present invention;
fig. 2 is a system architecture diagram of a PTN device and a quantum key device according to an embodiment of the present invention;
FIG. 3 is a flow chart of an information processing method applied to a quantum key device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an implementation structure of a packet transport network device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an implementation structure of a quantum key device according to an embodiment of the present invention;
fig. 6 shows a second schematic implementation structure of the packet transport network device according to the embodiment of the present invention;
fig. 7 shows a second implementation structure of the quantum key device according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides an information processing method applied to a packet transport network PTN device, where the method includes:
VLAN (Virtual Local Area Network) information of interfaces of the quantum key device and the PTN device is configured, and a management channel is established between the quantum key device and the PTN device and used for transmitting management information. Management information is transmitted in a form of sending heartbeat messages, wherein the management board card chip of the PTN equipment sends the heartbeat messages to the quantum key equipment through a management channel, and the heartbeat messages can include information acquisition requirements.
and the quantum key equipment receives the heartbeat message sent by the PTN equipment, and feeds back a confirmation message comprising quantum key equipment information to the PTN equipment according to the message content of the heartbeat message. Specifically, the message formats of the heartbeat message and the confirmation message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field.
And step 13, analyzing the confirmation message to obtain an analysis result.
After receiving the confirmation message fed back by the quantum key device, the management board chip of the PTN device analyzes the confirmation message to obtain an analysis result including the quantum key device information, so that the transmission of management information between the PTN device and the quantum key device is realized.
It should be noted that, the message content field of the acknowledgment packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period. The message content field comprises four bytes, and each byte correspondingly contains the message content of the type. When the connection state between the PTN device and the quantum key device is normal, if a protocol layer of the quantum key device fails, a message content field of the confirmation message comprises the quantum key device alarm type, so that the quantum key device failure condition is known and the failure reason is positioned.
In the above embodiment of the present invention, after obtaining the analysis result, the information processing method further includes: and sending the analysis result to a network manager or a controller.
As shown in fig. 2, a management channel is designed between the PTN device and the quantum key device, an electrical processing unit of the quantum key device includes a Communication chip and a remote interface, the PTN device includes a management board chip and a Network management Agent, and the Network management Agent is in Communication connection with a Network manager or a controller through a DCN (Data Communication Network) channel or an out-of-band channel Communication connection. When management information is transmitted, the management board chip serves as a processing module of the PTN device and sends heartbeat messages to the quantum key device through a management channel, a communication chip of the quantum key device feeds back confirmation messages to the management board chip through the remote interface according to message contents of the heartbeat messages, and the management board chip sends analysis results obtained by analyzing the confirmation messages to the network manager or the controller through a network manager proxy Agent.
Specifically, sending the analysis result to a network manager or a controller includes:
writing the analysis result into the quantum key equipment attribute of the remote port of the PTN equipment; sending the quantum key device attribute to a network management agent through the PTN device remote port; and sending the quantum key equipment attribute to a network manager or a controller through the network manager proxy.
The Management board card chip confirms the message and obtains the analytic result through the analysis after, will the information that the analytic result includes writes in the quantum key device attribute of PTN equipment distal end port, wherein, PTN equipment port includes local port and distal end port, local port contains the attribute of PTN equipment, the distal end port contain with PTN equipment communication connection's quantum key device attribute, be in promptly increase quantum key device attribute in the attribute of PTN equipment distal end port, PTN equipment distal end port will quantum key device attribute reports to Network Management Agent, agent will quantum key device attribute reports to the Network Management through SNMP (Simple Network Management Protocol ), perhaps reports to the controller through restful Protocol, newly-increased quantum key device attribute interface that reports between controller and upper APP or upper controller, the controller passes through quantum key device attribute interface and client application program APP or the upper controller communication connection of controller.
According to the scheme, the quantum key equipment and the PTN equipment are managed together to form a manageable quantum communication system by establishing a management channel between the quantum key equipment and the PTN equipment and transmitting heartbeat messages through the management channel, the connection link fault of the quantum key equipment can be positioned on the network management system, the state of the quantum key equipment is inquired, the key length, the key speed, the key updating period and other information are obtained, and the operation, maintenance and management efficiency are effectively improved.
As shown in fig. 3, an embodiment of the present invention provides an information processing method applied to a quantum key device, where the method includes:
a management channel for transmitting management information is designed between the quantum key device and the PTN device, the management information is transmitted in a heartbeat message sending mode, the PTN device sends the heartbeat message to the quantum key device through the management channel, and the heartbeat message can include information obtaining requirements.
And step 32, feeding back a confirmation message to the PTN equipment according to the heartbeat message.
The quantum key device receives a heartbeat message sent by the PTN device, and feeds back a confirmation message including quantum key device information to the PTN device according to the message content of the heartbeat message. Specifically, the message formats of the heartbeat message and the confirmation message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field. The message content field of the confirmation message comprises: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
After receiving the confirmation message fed back by the quantum key device, the PTN device analyzes the confirmation message to obtain an analysis result comprising the quantum key device information, so that the transmission of management information between the PTN device and the quantum key device is realized.
Specifically, the network management Agent of the PTN equipment is in communication connection with a network manager or a controller. And the management board card chip of the PTN equipment writes information included in an analysis result obtained by analyzing the confirmation message into a quantum key equipment attribute added to a remote port of the PTN equipment, and the remote port of the PTN equipment reports the quantum key equipment attribute to a network management Agent, and the Agent reports the quantum key equipment attribute to a network manager through an SNMP protocol or a controller through a restful protocol. The controller is in communication connection with the client application program APP or the upper controller of the controller through the quantum key device attribute interface.
According to the scheme, a management channel is designed between quantum key equipment and PTN equipment, the quantum key equipment identifies a heartbeat message sent by the PTN equipment and returns a confirmation message, after the PTN equipment receives the confirmation message, the message is analyzed, the state of the quantum key equipment is reported to a network management Agent, and the Agent is reported to an upper-layer network management or a controller. Therefore, the method can realize the positioning of the connection link fault on the network management system, query the state of the quantum key equipment, obtain the information of the key length, the key speed, the key updating period and the like, and effectively improve the operation, maintenance and management efficiency.
As shown in fig. 4, an embodiment of the present invention provides a packet transport network device, including a processor 41 and a transceiver 42,
the transceiver 42 is configured to: sending a heartbeat message to quantum key equipment through a management channel between the quantum key equipment and Packet Transport Network (PTN) equipment; receiving a confirmation message fed back by the quantum key equipment;
the processor 41 is configured to: and analyzing the confirmation message to obtain an analysis result.
Optionally, after obtaining the parsing result, the processor 41 is further configured to:
and sending the analysis result to a network manager or a controller.
Optionally, when the processor 41 sends the analysis result to the network manager or the controller, the processor is further configured to:
writing the analysis result into the quantum key equipment attribute of the remote port of the PTN equipment;
sending the quantum key device attribute to a network management agent through the PTN device remote port;
and sending the quantum key equipment attribute to a network manager or a controller through the network manager proxy.
Optionally, the controller is in communication connection with a client application APP or an upper controller of the controller through a quantum key device attribute interface.
Optionally, the message formats of the heartbeat message and the acknowledgement message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field.
Optionally, the message content field of the acknowledgement packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
As shown in fig. 5, an embodiment of the present invention provides a quantum key device, including a processor 51 and a transceiver 52, where the transceiver 52 is configured to:
receiving a heartbeat message sent by a Packet Transport Network (PTN) device through a management channel between a quantum key device and the PTN device;
and feeding back a confirmation message to the PTN equipment according to the heartbeat message.
Optionally, the message content field of the acknowledgment packet includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
The embodiment of the present invention further provides a quantum communication system, which includes a packet transport network device and a quantum key device, where the packet transport network device is the above packet transport network device, and the quantum key device is the above quantum key device.
As shown in fig. 6, an embodiment of the present invention further provides a packet transport network device, which includes a transceiver 61, a memory 62, a processor 63, and a computer program stored in the memory 62 and executable on the processor 63; the processor 63, when executing the computer program, implements the information processing method applied to the PTN device described above.
The transceiver 61 is used for receiving and transmitting data under the control of the processor 63.
The bus architecture may include any number of interconnected buses and bridges, among which are linked together by one or more processors 63, represented by processor 63, and various circuits of memory 62, represented by memory 62. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 61 may be a number of elements including a transmitter and a receiver providing a means for communicating with various other apparatus over a transmission medium. The processor is responsible for managing the bus architecture and general processing, and the memory may store data used by the processor in performing operations.
As shown in fig. 7, an embodiment of the present invention further provides a quantum key device, which includes a transceiver 71, a memory 72, a processor 73, and a computer program stored in the memory 72 and operable on the processor 73; the processor 73, when executing the computer program, implements the information processing method applied to the quantum key device described above.
The transceiver 71 is used for receiving and transmitting data under the control of the processor 73.
The bus architecture may include any number of interconnected buses and bridges, among which are linked together by one or more processors 73, represented by processor 73, and various circuits of memory 72, represented by memory 72. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 71 may be a plurality of elements, i.e., including a transmitter and a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 73 is responsible for managing the bus architecture and general processing, and the memory 72 may store data used by the processor in performing operations.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements the information processing method applied to the packet transport network PTN device or implements the steps in the information processing method applied to the quantum key device, and can achieve the same technical effects, and in order to avoid repetition, details are not described here again.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit may be implemented in the form of hardware, or in the form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to perform some steps of the transceiving method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (14)
1. An information processing method applied to a Packet Transport Network (PTN) device is characterized by comprising the following steps:
sending a heartbeat message to quantum key equipment through a management channel between the quantum key equipment and Packet Transport Network (PTN) equipment;
receiving a confirmation message fed back by the quantum key equipment;
analyzing the confirmation message to obtain an analysis result;
the message content field of the confirmation message comprises: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
2. The information processing method of claim 1, wherein after obtaining the analysis result, further comprising:
and sending the analysis result to a network manager or a controller.
3. The information processing method according to claim 2, wherein sending the analysis result to a network manager or a controller comprises:
writing the analysis result into the quantum key equipment attribute of the remote port of the PTN equipment;
sending the quantum key device attribute to a network management agent through the PTN device remote port;
and sending the quantum key equipment attribute to a network manager or a controller through the network manager proxy.
4. The information processing method according to claim 2, wherein the controller is communicatively connected to a client application APP or an upper controller of the controller through a quantum key device attribute interface.
5. The information processing method according to claim 1, wherein the message formats of the heartbeat message and the acknowledgement message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field.
6. An information processing method applied to a quantum key device, the method comprising:
receiving a heartbeat message sent by PTN equipment through a management channel between quantum key equipment and the PTN equipment;
feeding back a confirmation message to the PTN equipment according to the heartbeat message;
the message content field of the confirmation message comprises: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
7. A packet transport network device, comprising a processor and a transceiver,
the transceiver is to: sending a heartbeat message to quantum key equipment through a management channel between the quantum key equipment and Packet Transport Network (PTN) equipment; receiving a confirmation message fed back by the quantum key equipment;
the processor is configured to: analyzing the confirmation message to obtain an analysis result;
the message content field of the acknowledgement message includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
8. The device according to claim 7, wherein the processor, after obtaining the parsing result, is further configured to:
and sending the analysis result to a network manager or a controller.
9. The packet transport network device according to claim 8, wherein the processor is further configured to, when sending the parsing result to a network manager or a controller:
writing the analysis result into the quantum key equipment attribute of the remote port of the PTN equipment;
sending the quantum key device attribute to a network management agent through the PTN device remote port;
and sending the quantum key equipment attribute to a network manager or a controller through the network manager proxy.
10. The packet transport network device according to claim 8, wherein the controller is communicatively connected to a client application APP or an upper controller of the controller through a quantum key device attribute interface.
11. The packet transport network device according to claim 7, wherein the message formats of the heartbeat message and the acknowledgement message at least include: a message type field, a message content field, a protocol version number field, a reservation field, a sender IP address field, and a private information field.
12. A quantum key device, comprising a processor and a transceiver, the transceiver configured to:
receiving a heartbeat message sent by PTN equipment through a management channel between quantum key equipment and the PTN equipment;
feeding back a confirmation message to the PTN equipment according to the heartbeat message;
the message content field of the acknowledgement message includes: quantum key device connection state or quantum key device alarm type, quantum key negotiation rate, key length, and key update period.
13. A quantum communication system comprising a packet transport network device according to any one of claims 7 to 11 and a quantum key device according to claim 12.
14. A computer-readable storage medium on which a computer program is stored, characterized in that the program, when executed by a processor, implements the information processing method according to any one of claims 1 to 5 or implements the steps in the information processing method according to claim 6.
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