CN110011939A - A kind of support quantum key progress data encryption Ethernet switch - Google Patents
A kind of support quantum key progress data encryption Ethernet switch Download PDFInfo
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- CN110011939A CN110011939A CN201910295690.0A CN201910295690A CN110011939A CN 110011939 A CN110011939 A CN 110011939A CN 201910295690 A CN201910295690 A CN 201910295690A CN 110011939 A CN110011939 A CN 110011939A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches
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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
- H04L63/0478—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 applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of support quantum keys to carry out data encryption Ethernet switch, by Switching Module, management module, three parts of data encryption module form, Switching Module includes that can correspond to the packet replication forwarding capability for realizing layer 2 ethernet switch, port trunking, port mapping, VLAN, ACL, IGMP, Qos, STP, MSTP, RSTP, aaa authentication, RADIUS authentication, DHCP, SNMP, the functional unit of two layers of ethernet feature of ARP standard, management module includes that can correspond to realization switch management, encryption handling, key management, the functional unit of flow control function, data encryption module includes that can correspond to realization data encryption, the functional unit of data summarization function.The present invention realizes the quantum key encryption based on ethernet frame, while being superimposed and integrating with standard layer 2 ethernet switch function, realizes " layer 2 ethernet switch+quantum key data encryption ", simplifies the design and deployment of quantum key refined net.
Description
Technical field
The present invention relates to Ethernet Exchanger Technology field more particularly to a kind of support quantum key carry out data encryption with
Too network switch.
Background technique
Recently as flourishing for Technique on Quantum Communication, the data safety system of data encryption is carried out based on quantum key
System has been widely used the various industries such as electric power, the energy, finance, traffic, and quantum key is with truly random property, non-reproduction
The key of natural safety, the key that can not be cracked are widely recognized as by industry.The networking plan of quantum key encryption at this stage is such as
Shown in Fig. 4, mainstream networking mode between the two o'clock that quantum key encrypts at this stage as seen from the figure are as follows: quantum key distribution equipment
(QKD) production of the code key based on light quantum is carried out by independent optical-fibre channel, the quantum key produced is stored in quantum
In cipher key storage device (QKM), the quantum cryptography to data channel is then realized by quantum cryptography equipment (QVPN) and is being passed through
It is transmitted in allusion quotation channel TCP/IP network.
Following two bottlenecks are primarily present using the quantum secret communication that above-mentioned networking mode is realized at present, first is that can only be real
The encryption of existing channel level: quantum key encryption at this stage generallys use the encryption that VPN device realizes channel level, in access channel
The data of transmission are encrypted entirely, cannot achieve the encryption for data packet；Second is that quantum cryptography must be increased in networking equipment
Equipment (VPN): no if to realize that quantum key must increase VPN device in needing the network encrypted to the encryption of data
Plaintext transmission can not be then converted into the ciphertext transmission of addition key.Increase VPN device in a network, increases the failure of network
Point, the complexity for increasing data encryption and influence overall plan of network.It allows and the tired of data encryption change is carried out based on quantum key
It is difficult complicated.
For this purpose, inventor is intended to provide a kind of Ethernet switch of new support quantum key progress data encryption.
Summary of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art, a kind of support quantum key progress is provided
Data encryption Ethernet switch.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of support quantum key progress data encryption Ethernet switch, the Ethernet switch is by Switching Module, pipe
Three module, data encryption module part compositions are managed, the Switching Module includes that can correspond to realization layer 2 ethernet switch
Packet replication forwarding capability, port trunking, port mapping, VLAN, ACL, IGMP, Qos, STP, MSTP, RSTP, aaa authentication,
The functional unit of two layers of RADIUS authentication, DHCP, SNMP, ARP standard ethernet feature, the management module include that can correspond to
Realize switch management, encryption handling, key management, flow control function functional unit, the data encryption module includes
The functional unit for realizing data encryption, data summarization function can be corresponded to；
The encryption method of the data encryption module comprises the steps of:
S1: data frame enters FPGA from the port 10GE of interchanger；
S2:FPGA carry out according to the preferential rule of most short queue length in eight ingress after receiving data packet
It is distributed in queue；
S3: the corresponding hash module of each ingress queue reads data frame from queue, marks according to SM3 standard and SHA
Standard is filled alignment to data frame, data summarization operation is then carried out from frame head to postamble to data frame, in data tail
Additional 256bit or 160bit informative abstract, is then written egress queue for data frame；
S4: an order-preserving Scheduler module is equipped with behind egress queue, order-preserving Scheduler module can be according to number
According to the sequence that packet enters in exchange chip side, encrypting module is output to dispatch the data frame in 8 egress queues；
S5: enter 10GE interface module, hair after AES/SM4 is encrypted from the data frame for dispatching out in egress queue
It is sent on line interface i.e. optical module；If ingress queue length is more than thresholding, optical module is sent to exchange chip
Pause frame carries out flow control.
Further, above-mentioned support quantum key distribute in the step S2 in data encryption Ethernet switch
Rule is: one complete data frame of distribution enters a queue every time.
Further, above-mentioned support quantum key carries out in data encryption Ethernet switch, optical mode in the step S5
When block sends pause frame to exchange chip, data frame enters FPGA from line interface, that is, optical module side；First by deciphering module root
According to decryption standard and key length is previously set, data frame is decrypted, after the completion of decryption data frame by distribution module according to
Most short queue priority principle is sent into corresponding egr queue, and the Hash module of corresponding queue verifies the abstract of data frame, examines
Check errors are surveyed, update error statistics counter, and if abstract mistake, is marked data frame, presses in the side ingress
Data frame is read from queue according to order-preserving scheduling to be sequentially output to exchange chip.
Further, above-mentioned support quantum key carries out in data encryption Ethernet switch, described to carry out to data frame
Label refers to and can directly abandon, or makes crc error and abandoned again by exchange chip.
Further, above-mentioned support quantum key carries out in data encryption Ethernet switch, and the FPGA is according to management
The parameter of module configuration and given key carry out informative abstract and encryption and decryption functions, key distribution, setting and encryption channel
Both ends state, configuration include encipherment scheme, informative abstract scheme and parameter setting.
Further, above-mentioned support quantum key carries out in data encryption Ethernet switch, and the parameter setting includes
The setting of key length and key value.
The beneficial effects of the present invention are:
The present invention provides a kind of Ethernet switches for supporting quantum key to carry out data encryption, realize and are based on Ethernet
The quantum key of frame encrypts, while integrated, realization " layer 2 ethernet switch is superimposed with standard layer 2 ethernet switch function
+ quantum key data encryption ", simplifies the design and deployment of quantum key refined net.
Certainly, it implements any of the products of the present invention it is not absolutely required to while reaching above all advantages.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the composition schematic diagram of Ethernet switch of the present invention；
Fig. 2 is the working principle diagram of data encryption module in the present invention；
Fig. 3 is the treatment process schematic diagram of data frame in the present invention；
Fig. 4 is the networking plan schematic diagram of quantum key encryption in background technique；
In attached drawing, parts list represented by the reference numerals are as follows:
1- Switching Module, 2- management module, 3- data encryption module.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-3, the present embodiment is that a kind of support quantum key carries out data encryption Ethernet switch, should
Ethernet switch is made of 3 three Switching Module 1, management module 2, data encryption module parts.
Switching Module 1 includes that can correspond to the packet replication forwarding capability for realizing layer 2 ethernet switch, port trunking, end
Mouth mapping, VLAN, ACL, IGMP, Qos, STP, MSTP, RSTP, aaa authentication, RADIUS authentication, DHCP, SNMP, ARP standard two
The functional unit of layer ethernet feature.
Management module 2 includes that can correspond to realize switch management, encryption handling, key management, flow control function
Functional unit.
Data encryption module 3 includes that can correspond to the functional unit for realizing data encryption, data summarization function；Data encryption
The encryption method of module 3 comprises the steps of:
S1: data frame enters FPGA from the port 10GE of interchanger；
S2:FPGA carry out according to the preferential rule of most short queue length in eight ingress after receiving data packet
It is distributed in queue, one complete data frame of distribution enters a queue every time；
S3: the corresponding hash module of each ingress queue reads data frame from queue, marks according to SM3 standard and SHA
Standard is filled alignment to data frame, data summarization operation is then carried out from frame head to postamble to data frame, in data tail
Additional 256bit or 160bit informative abstract, is then written egress queue for data frame；
S4: an order-preserving Scheduler module is equipped with behind egress queue, order-preserving Scheduler module can be according to number
According to the sequence that packet enters in exchange chip side, encrypting module is output to dispatch the data frame in 8 egress queues；
S5: enter 10GE interface module, hair after AES/SM4 is encrypted from the data frame for dispatching out in egress queue
It is sent on line interface i.e. optical module；If ingress queue length is more than thresholding, optical module is sent to exchange chip
Pause frame carries out flow control.When optical module sends pause frame to exchange chip, data frame enters from line interface, that is, optical module side
FPGA；Data frame is decrypted, after the completion of decryption by deciphering module according to decryption standard and key length is previously set first
Data frame is sent into corresponding egr queue, the Hash module logarithm of corresponding queue according to most short queue priority principle by distribution module
It is verified according to the abstract of frame, detection check mistake, error statistics counter is updated, and if abstract mistake, to data frame
It is marked, dispatches the reading data frame from queue according to order-preserving in the side ingress and be sequentially output to exchange chip.To data frame
It is marked and refers to and can directly abandon, or make crc error and abandoned again by exchange chip.
The process of Frame processes avoids as shown in figure 3, now using the scheme encrypted to the whole frame of Ethernet to Ethernet
Frame carries out cutting recombination, reduces implementation complexity.The parameter and given key that FPGA is configured according to management module 2 carry out information
Abstract and encryption and decryption functions, key distribution, setting and encryption channel both ends state, configuration include encipherment scheme, informative abstract
Scheme and parameter setting, parameter setting include the setting of key length and key value.
A kind of Ethernet switch for supporting quantum key to carry out data encryption is present embodiments provided, realizes and is based on ether
The quantum key of net frame encrypts, while integrated, realization " two layers of Ethernet exchanging are superimposed with standard layer 2 ethernet switch function
Machine+quantum key data encryption ", simplifies the design and deployment of quantum key refined net.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of support quantum key carries out data encryption Ethernet switch, it is characterised in that: the Ethernet switch is by handing over
Three block, management module, data encryption module part compositions are changed the mold, the Switching Module includes that can correspond to realize two layers of ether
The packet replication forwarding capability of network switch, port trunking, port mapping, VLAN, ACL, IGMP, Qos, STP, MSTP, RSTP,
Aaa authentication, RADIUS authentication, two layers of ethernet feature of DHCP, SNMP, ARP standard functional unit, the management module includes
Can correspond to realize switch management, encryption handling, key management, flow control function functional unit, the data encryption
Module includes that can correspond to the functional unit for realizing data encryption, data summarization function；
The encryption method of the data encryption module comprises the steps of:
S1: data frame enters FPGA from the port 10GE of interchanger；
S2:FPGA carry out according to the preferential rule of most short queue length in eight ingress queues after receiving data packet
In be distributed；
S3: the corresponding hash module of each ingress queue reads data frame from queue, according to SM3 standard and SHA standard pair
Data frame is filled alignment, then carries out data summarization operation from frame head to postamble to data frame, additional in data tail
Then egress queue is written in data frame by 256bit or 160bit informative abstract；
S4: an order-preserving Scheduler module is equipped with behind egress queue, order-preserving Scheduler module can be according to data packet
In the sequence that exchange chip side enters, encrypting module is output to dispatch the data frame in 8 egress queues；
S5: enter 10GE interface module after AES/SM4 is encrypted from the data frame for dispatching out in egress queue, be sent to
On line interface, that is, optical module；If ingress queue length is more than thresholding, optical module sends pause frame to exchange chip,
Carry out flow control.
2. support quantum key according to claim 1 carries out data encryption Ethernet switch, it is characterised in that: described
Distribution rules are in step S2: one complete data frame of distribution enters a queue every time.
3. support quantum key according to claim 1 carries out data encryption Ethernet switch, it is characterised in that: described
When optical module sends pause frame to exchange chip in step S5, data frame enters FPGA from line interface, that is, optical module side；First
By deciphering module according to decryption standard and key length is previously set, data frame is decrypted, after the completion of decryption data frame by
Distribution module is sent into corresponding egr queue according to most short queue priority principle, and the Hash module of corresponding queue plucks data frame
It is verified, detection check mistake, updates error statistics counter, and if abstract mistake, is marked data frame,
The reading data frame from queue is dispatched according to order-preserving in the side ingress to be sequentially output to exchange chip.
4. support quantum key according to claim 3 carries out data encryption Ethernet switch, it is characterised in that: described
Data frame is marked and refers to and can directly abandon, or makes crc error and is abandoned again by exchange chip.
5. support quantum key according to claim 1 carries out data encryption Ethernet switch, it is characterised in that: described
The parameter and given key that FPGA is configured according to management module carry out informative abstract and encryption and decryption functions, key distribution, setting,
And encryption channel both ends state, configuration include encipherment scheme, informative abstract scheme and parameter setting.
6. support quantum key according to claim 5 carries out data encryption Ethernet switch, it is characterised in that: described
Parameter setting includes the setting of key length and key value.
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| CN201910295690.0A CN110011939B (en) | 2019-04-12 | 2019-04-12 | Ethernet switch supporting quantum key to encrypt data |
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| CN201910295690.0A CN110011939B (en) | 2019-04-12 | 2019-04-12 | Ethernet switch supporting quantum key to encrypt data |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971407A (en) * | 2019-12-19 | 2020-04-07 | 江苏亨通工控安全研究院有限公司 | Internet of things security gateway communication method based on quantum key |
| CN111884798A (en) * | 2020-07-22 | 2020-11-03 | 全球能源互联网研究院有限公司 | Electric power business quantum encryption system |
| CN113992321A (en) * | 2021-10-28 | 2022-01-28 | 安徽宏实紫晶光电研究所有限公司 | Network data encryption repeater |
| CN115622694A (en) * | 2022-09-22 | 2023-01-17 | 国科量子通信网络有限公司 | Data transmission method and device |
| CN116170232A (en) * | 2023-04-21 | 2023-05-26 | 安徽中科锟铻量子工业互联网有限公司 | Quantum gateway data display management system |
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Effective date of registration: 20210818 Address after: D2-607, China Internet of things International Innovation Park, 200 Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province, 214035 Patentee after: Wentian dingxun quantum technology (Wuxi) Co.,Ltd. Address before: E1-407, China Sensor Network International Innovation Park, No. 200, Linghu Avenue, New District, Wuxi City, Jiangsu Province, 214135 Patentee before: WUXI SINOKING COMM XINTONG TECHNOLOGY Co.,Ltd. |
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