CN114422126A - Joint debugging test system and method for quantum key management software module - Google Patents
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Abstract
The invention discloses a joint debugging test system and method of a quantum key management software module, the method utilizes an Alice module end to send a verification message to a Bob module end to verify a classical channel, and after the verification is successful, the Alice module end sends a synchronous light verification command to the Bob module end to perform synchronous light verification; after the verification is successful, the Alice module terminal issues a delay scanning command to the Bob module terminal to perform signal light delay scanning verification; and after the verification is successful, the Alice module end sends a synchronous correction command to the Bob end to correct the synchronous light and the signal light, and the Alice module end and the Bob module end are successfully combined and adjusted successfully after the correction is successful. The joint debugging test method ensures normal communication among the modules by sending the verification messages among the software modules of the key system, and performs different test operations by different command words in the sent data frames, thereby improving joint debugging efficiency between quantum communication and quantum network multi-purpose end modules and ensuring subsequent operation of the system.
Description
Technical Field
The invention relates to the technical field of quantum information and computer software, in particular to a joint debugging test system and method for a quantum key management software module.
Background
Quantum science and engineering are leading-edge technical fields leading to industrial changes, and an ecological software system for autonomous innovation in the fields of quantum communication and quantum networks is urgently needed to be built. In the prior art, the internal implementation logic of a software system is complex, and in order to ensure the development period, the software system is usually divided into a plurality of mutually independent modules and subsystems, which are respectively delivered to a plurality of persons and a plurality of teams for development and testing. After each system completes the necessary functional verification, the cross-system joint debugging test is carried out. Joint debugging test is often the most important means for ensuring correct interaction among all software of the system and accurately completing various services.
In the application of the key management system software of the quantum communication and quantum network, a corresponding joint debugging method is lacked to perform function test on the whole system software before operation, and when the operation function of the software is not subjected to joint debugging test, the problems of software operation interruption and data loss may occur in actual operation, so that the system of the quantum communication and quantum network is easy to leak and low in operation efficiency.
Disclosure of Invention
To solve the above technical problems or at least partially solve the above technical problems, the present invention provides a joint debugging test system and method between software modules of a key management system.
The method is realized by the following technical scheme:
the utility model provides a joint debugging test system of quantum key management software module, includes Alice module end, Bob module end, message verification module, be provided with synchronous optical verification module, time delay scanning module and synchronous correction module in the Bob module end, wherein:
the Alice module end is used for sending a verification message and a control instruction, and the control instruction comprises a synchronous optical verification command, a delayed scanning command or a synchronous correction command;
the Bob module is used for receiving a verification message and a control instruction;
the message verification module is used for receiving the verification message and analyzing whether the verification message meets the requirements of a communication protocol to judge whether a classical channel is established, and if the verification message meets the requirements, judging that the classical channel is successfully verified;
the synchronous optical verification module is used for carrying out synchronous optical verification on the quantum channel;
the delay scanning module is used for carrying out signal light delay scanning verification on the quantum channel;
the synchronous correction module is used for correcting synchronous light and signal light of the quantum channel.
A joint debugging test method of a quantum key management software module comprises an Alice module end and a Bob module end, and comprises the following steps:
step 1: the Alice module end sends a verification message to the Bob module end through a classical channel;
step 2: the Bob module end receives the verification message and analyzes whether the verification message meets the requirements of a communication protocol or not, if the verification message meets the requirements of the communication protocol, the Bob module end judges whether a verification data packet of the verification message is lost or not through a check code, if the verification data packet is not lost, a response message is returned to the Alice module end, and if the verification data packet is lost, the step 1 is returned;
if the verification message does not meet the requirements of the communication protocol, returning to the step 1;
and step 3: after receiving the response message, the Alice terminal analyzes whether the response message meets the requirements of a communication protocol, if so, the classical channel verification is successful, and if not, the step 1 is returned;
and 4, step 4: when the classical channel verification in the step 3 is successful, the Alice module end issues a synchronous optical verification command to the Bob module end and carries out synchronous optical verification on the quantum channel, if the verification is successful, the step 5 is skipped, and if the verification is unsuccessful, the step 4 is repeated;
step 5, after the synchronous optical inspection in the step 4 is successful, the Alice module end issues a delay scanning command to the Bob module end and performs signal optical delay scanning inspection on the quantum channel, if the inspection is successful, the step 6 is skipped, and if the inspection is unsuccessful, the step 5 is repeated;
step 6: and (5) after the signal light delayed scanning verification in the step (5) is successful, the Alice module end sends a synchronous correction command to the Bob end and corrects the synchronous light and the signal light of the quantum channel, if the correction is successful, the Alice module end and the Bob module end are successfully jointly adjusted and tested, and if the correction is unsuccessful, the step (6) is repeated.
Further, the judgment criteria meeting the communication requirement are: and whether the data frame format of the verification message or the response message contains frame header, data length, type, command word, data, check sum frame tail or not is judged to meet the communication requirement.
Further, the synchronous optical verification command, the delayed scanning command and the synchronous correction command are all stored in a command word of the data frame.
Further, the verification packet of the verification message is stored in the data of the data frame.
Further, the specific step of performing synchronous optical verification on the quantum channel in step 4 includes the following steps:
step 4-1: the Alice module end transmits the synchronous optical verification command to the Bob module end through a classical channel;
step 4-2: the Bob module end receives and analyzes the synchronous optical verification command, and if the analysis is successful, a synchronous optical verification response message is replied to the Alice end through a classical channel; if the analysis is unsuccessful, not replying;
step 4-3: if the Alice module end does not receive the synchronous optical verification response message replied by the Bob module end, skipping to the step 4-1;
if the Alice module receives a synchronous light check response message returned by the Bob module, the Alice module generates synchronous light and sends the synchronous light to the Bob module through a quantum channel;
step 4-4: when the Bob module end receives the synchronous light, the detection result is returned to the Alice module end in a message form;
when the Bob module end does not receive the synchronous light, no message is replied;
and 4-5: when the Alice module end receives the detection result, the quantum channel synchronous optical verification is successful and the step 5 is skipped;
and when the Alice module end does not receive the detection result, skipping to the step 4-1.
Further, the step of performing signal light delay scanning verification on the quantum channel in step 5 is as follows:
step 5-1: the Alice module end sends the delay scanning command to the Bob module end through a classical channel;
step 5-2: the Bob module end starts detector count value detection after receiving a delay scanning command;
step 5-3: the Alice module end sequentially sends signal light to the Bob module end through the quantum channel;
step 5-4: the Bob module end adjusts the time delay of the gating signal according to the detected signal light until the counting value of the detector reaches the number of the signal lights sent by the Alice module end, and sends an adjustment success message to the Alice module end;
step 5-5: and if the Alice module end does not receive the adjustment success message, skipping to the step 5-1.
And if the Alice module end receives the successful adjustment message, the quantum channel signal light time-delay scanning verification is successful and the step 6 is skipped.
Further, the signal light includes four signal lights, H, V, P and N, respectively.
Further, the specific steps of the quantum channel synchronous light and signal light correction in step 6 are as follows:
step 6-1: the Alice module end sends a synchronous correction command to the Bob module end through a classical channel;
step 6-2: the Bob module end starts a synchronous light detector and a single-photon detector;
step 6-3: the Alice module end sends signal light and synchronous light to the Bob module end through a quantum channel;
step 6-4: and the Bob module end calculates the delay difference between the signal light and the synchronous light, stores the correction value and sends the correction value to the Alice module end.
Step 6-5: if the Alice module end does not receive the correction value, jumping to the step 6-1;
and if the Alice module receives the correction value, the synchronous light and the signal light of the quantum channel are successfully corrected.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a joint debugging test method between software modules of a key management system in the field of quantum communication and quantum network application.
Drawings
FIG. 1 is a functional block diagram of a system for joint debugging test of quantum key management software modules according to the present invention;
FIG. 2 is a flowchart of a method for joint debugging test of a quantum key management software module according to the present invention;
FIG. 3 is a flow chart of a classical network connectivity verification method of a quantum key management software module joint debugging test method of the present invention;
FIG. 4 is a format of a communication data frame of a joint debugging test method of a quantum key management software module according to the present invention;
FIG. 5 is a synchronous optical verification flowchart of a joint debugging test method for quantum key management software modules according to the present invention;
FIG. 6 is a signal light delay scanning flowchart of a joint debugging test method for quantum key management software modules according to the present invention;
FIG. 7 is a flow chart of synchronous modification of the joint debugging testing method of the quantum key management software module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, a joint debugging test system of a quantum key management software module includes an Alice module end, a Bob module end, a message verification module, and a synchronous optical verification module, a delay scanning module, and a synchronous correction module disposed in the Bob module end, wherein:
the Alice module end is used for sending a verification message and a control instruction, and the control instruction comprises a synchronous optical verification command, a delayed scanning command or a synchronous correction command;
the Bob module is used for receiving a verification message and a control instruction;
the message verification module is used for receiving the verification message and analyzing whether the verification message meets the requirements of a communication protocol to judge whether a classical channel is established, and if the verification message meets the requirements, judging that the classical channel is successfully verified;
the synchronous optical verification module is used for carrying out synchronous optical verification on the quantum channel;
the delay scanning module is used for carrying out signal light delay scanning verification on the quantum channel;
the synchronous correction module is used for correcting synchronous light and signal light of the quantum channel.
The specific implementation scheme of the functions of all the modules of the system is consistent with the method of the corresponding part of the joint debugging test method of the following quantum key management software module, and the detailed description is omitted here.
As shown in fig. 2 to 7, a joint debugging test method for quantum key management software modules includes an Alice module end and a Bob module end, and includes the following steps:
step 1: the Alice module end sends a verification message to the Bob module end through a classical channel; the verification message contains a verification data packet, and the data packet can verify whether the Alice module end and the Bob module end are normally connected or not; as shown in fig. 2, the data frame format of the verification message is frame header STX, data length, category, command word, data, checksum frame tail. Wherein the verification packet is stored in the data of the data frame.
Step 2: after receiving the verification message, the Bob module firstly analyzes whether the verification message meets the requirement of the communication protocol, namely, checks whether the data frame format of the verification message contains frame header STX, data length, category, command word, data, check sum frame tail, and judges that the verification message meets the requirement of the communication protocol if the verification message contains all the frame formats; if the verification message lacks part, judging that the verification message does not meet the requirement of the communication protocol, and jumping back to the step 1;
the Bob module end also judges whether a verification data packet of the verification message is lost or not through the check code, if so, the Alice module end needs to resend the verification message to the Bob module end through a classical channel, and the step 1 is skipped;
if no loss exists, a response message is returned to the Alice module end,
and step 3: after receiving the response message, the Alice end analyzes whether the response message meets the requirements of a communication protocol, namely whether the response message meets the format requirements of a data frame, if so, the verification of the classical channel is successful, if not, the step 1 is returned, and the Alice module end sends a verification message to the Bob module end through the classical channel again;
as shown in fig. 4, step 4: when the classical channel verification of step 3 is successful,
wherein, the step 4-1: the Alice module end transmits the synchronous optical verification command to the Bob module end through a classical channel; step 4-2: the Bob module end receives and analyzes the synchronous optical verification command, and if the analysis is successful, a synchronous optical verification response message is replied to the Alice end through a classical channel; if the analysis of the Bob module end is unsuccessful, not replying a response message;
step 4-3: the Alice module end judges whether a response message is received or not, and when the synchronous optical verification response message replied by the Bob module end is not received, the step 4-1 is skipped, namely, the synchronous optical verification command is issued again;
when the Alice module end receives a synchronous light check response message replied by the Bob module end, the Alice module end starts to generate synchronous light and sends the synchronous light to the Bob module end through a quantum channel;
step 4-4: when the Bob module end receives the synchronous light, the detection result is returned to the Alice module end in a message form to inform the Alice module end that the synchronous light is normally received;
when the Bob module end does not receive the synchronous light, no message is replied;
and 4-5: when the Alice module end receives the detection result, the quantum channel synchronous optical verification is successful and the step 5 is skipped;
and when the Alice module end does not receive the detection result, skipping to the step 4-1.
As shown in fig. 5, the signal optical delay scanning verification step performed on the quantum channel in step 5 is as follows:
step 5-1: the Alice module end sends the delay scanning command to the Bob module end through a classical channel;
step 5-2: the Bob module end starts detector count value detection after receiving a delay scanning command;
step 5-3: the Alice module end sequentially sends four signal lights, namely H, V, P and N, to the Bob module end through the quantum channel;
step 5-4: the method comprises the steps that a Bob module end adjusts gate control signal delay according to detected signal light, a detector generates photoelectric pulses after receiving the signal light, the detector counts the photoelectric pulses, when a count value reaches 4, the signal light receiving function of the Bob module end can normally operate, and the Bob module end sends an adjustment success message to an Alice module end;
step 5-5: and if the Alice module does not receive the adjustment success message, skipping to the step 5-1, namely, the Alice module re-issues the delay scanning command.
And if the Alice module receives the successful adjustment message, the quantum channel signal light delay scanning verification is successful, the signal light scanning function of the quantum channel can normally operate is indicated, and meanwhile, the step 6 is skipped.
Step 6: and (5) after the signal light delay scanning verification in the step (5) is successful, the Alice module end sends a synchronous correction command to the Bob module end and corrects the synchronous light and the signal light of the quantum channel, and the synchronous correction is used for compensating the transmission delay difference of the synchronous light and the signal light and comprises the delay difference of an on-board circuit device and the transmission delay difference of an optical fiber. The function of synchronization correction is mainly to check and correct the delay synchronization relationship between the synchronization light and the signal light received by the generating system through calculation, and ensure that the transmission and the reception of both communication parties can be synchronized.
As shown in fig. 6, the specific steps of the quantum channel synchronous light and signal light correction in step 6 are as follows:
step 6-1: the Alice module end sends a synchronous correction command to the Bob module end through a classical channel so as to inform the Bob end of starting to detect synchronous light and single photons;
step 6-2: the Bob module end starts a synchronous light detector and a single-photon detector;
step 6-3: the Alice module end sends signal light and synchronous light to the Bob module end through a quantum channel;
step 6-4: the Bob module end calculates the delay difference between the signal light and the synchronous light, stores a correction value and sends the correction value to the Alice module end;
step 6-5: if the Alice module end does not receive the correction value, jumping to the step 6-1, and the Alice module resends the synchronous correction command;
if the Alice module end receives the correction value, the correction of the synchronous light and the signal light of the quantum channel is successful, so that the joint debugging test of the system is completed, and the correction value can be used for ensuring that the sending and receiving of the two communication parties can be synchronous in the normal communication of the Alice module end and the Bob module end. The quantum communication and the receiving and sending of the verification message and the control instruction of the quantum network multi-user side can be realized.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (9)
1. The utility model provides a joint debugging test system of quantum key management software module which characterized in that, includes Alice module end, Bob module end, message verification module, be provided with synchronous optical verification module, time delay scanning module and synchronous correction module in the Bob module end, wherein:
the Alice module end is used for sending a verification message and a control instruction, and the control instruction comprises a synchronous optical verification command, a delayed scanning command or a synchronous correction command;
the Bob module is used for receiving a verification message and a control instruction;
the message verification module is used for receiving the verification message and analyzing whether the verification message meets the requirements of a communication protocol to judge whether a classical channel is established, and if the verification message meets the requirements, judging that the classical channel is successfully verified;
the synchronous optical verification module is used for carrying out synchronous optical verification on the quantum channel;
the delay scanning module is used for carrying out signal light delay scanning verification on the quantum channel;
the synchronous correction module is used for correcting synchronous light and signal light of the quantum channel.
2. A joint debugging test method of a quantum key management software module, characterized in that the joint debugging test system of the quantum key management software module according to claim 1 is applied, the method comprises the following steps:
step 1: the Alice module end sends a verification message to the Bob module end through a classical channel;
step 2: the Bob module end receives the verification message and analyzes whether the verification message meets the requirements of a communication protocol or not, if the verification message meets the requirements of the communication protocol, the Bob module end judges whether a verification data packet of the verification message is lost or not through a check code, if the verification data packet is not lost, a response message is returned to the Alice module end, and if the verification data packet is lost, the step 1 is returned;
if the verification message does not meet the requirements of the communication protocol, returning to the step 1;
and step 3: after receiving the response message, the Alice terminal analyzes whether the response message meets the requirements of a communication protocol, if so, the classical channel verification is judged to be successful, and if not, the step 1 is returned;
and 4, step 4: when the classical channel verification in the step 3 is successful, the Alice module end issues a synchronous optical verification command to the Bob module end and carries out synchronous optical verification on the quantum channel, if the verification is successful, the step 5 is skipped, and if the verification is unsuccessful, the step 4 is repeated;
step 5, after the synchronous optical verification in the step 4 is successful, the Alice module end issues a delay scanning command to the Bob module end and performs signal optical delay scanning verification on the quantum channel, if the verification is successful, the step 6 is skipped, and if the verification is unsuccessful, the step 5 is repeated;
step 6: and (5) after the signal light delayed scanning verification in the step (5) is successful, the Alice module end sends a synchronous correction command to the Bob end and corrects the synchronous light and the signal light of the quantum channel, if the correction is successful, the Alice module end and the Bob module end are successfully jointly adjusted and tested, and if the correction is unsuccessful, the step (6) is repeated.
3. The joint debugging test method of the quantum key management software module according to claim 2, wherein the judgment standard conforming to the communication protocol is: and whether the data frame format of the verification message or the response message contains frame header, data length, type, command word, data, check sum frame tail or not is judged to meet the communication requirement if all the data frame formats of the verification message or the response message contain frame header, data length, type, command word, data, check sum frame tail.
4. The method for testing the joint debugging of the quantum key management software module according to claim 3, wherein the synchronous optical verification command, the delayed scanning command and the synchronous modification command are all stored in a command word of the data frame.
5. The method of claim 3, wherein the verification packet of the verification message is stored in the data of the data frame.
6. The joint debugging test method of the quantum key management software module according to claim 2, wherein the specific step of performing synchronous optical verification on the quantum channel in the step 4 comprises the following steps:
step 4-1: the Alice module end transmits the synchronous optical verification command to the Bob module end through a classical channel;
step 4-2: the Bob module end receives and analyzes the synchronous optical verification command, and if the analysis is successful, a synchronous optical verification response message is replied to the Alice end through a classical channel; if the analysis is unsuccessful, not replying;
step 4-3: if the Alice module end does not receive the synchronous optical verification response message replied by the Bob module end, skipping to the step 4-1;
if the Alice module receives a synchronous light check response message returned by the Bob module, the Alice module generates synchronous light and sends the synchronous light to the Bob module through a quantum channel;
step 4-4: when the Bob module end receives the synchronous light, the detection result is returned to the Alice module end in a message form;
when the Bob module end does not receive the synchronous light, no message is replied;
and 4-5: when the Alice module end receives the detection result, the quantum channel synchronous optical verification is successful and the step 5 is skipped;
and when the Alice module end does not receive the detection result, skipping to the step 4-1.
7. The joint debugging test method of the quantum key management software module of claim 2, wherein the step of performing signal light delay scanning verification on the quantum channel in the step 5 is as follows:
step 5-1: the Alice module end sends the delay scanning command to the Bob module end through a classical channel;
step 5-2: the Bob module end starts detector count value detection after receiving a delay scanning command;
step 5-3: the Alice module end sends signal light to the Bob module end through a quantum channel;
step 5-4: the Bob module end adjusts the time delay of the gating signal according to the detected signal light until the counting value of the detector reaches the number of the signal lights sent by the Alice module end, and sends an adjustment success message to the Alice module end;
step 5-5: if the Alice module end does not receive the successful adjustment message, skipping to the step 5-1;
and if the Alice module end receives the successful adjustment message, the quantum channel signal light time-delay scanning verification is successful and the step 6 is skipped.
8. The method for testing the joint debugging of a quantum key management software module of claim 7, wherein the signal light comprises four signal lights, respectively H, V, P and N.
9. The method for testing joint debugging of quantum key management software module according to claim 2, wherein the steps of modifying the synchronous light and the signal light of the quantum channel in step 6 are as follows:
step 6-1: the Alice module end sends a synchronous correction command to the Bob module end through a classical channel;
step 6-2: the Bob module end starts a synchronous light detector and a single-photon detector;
step 6-3: the Alice module end sends signal light and synchronous light to the Bob module end through a quantum channel;
step 6-4: the Bob module end calculates the delay difference between the signal light and the synchronous light, stores a correction value and sends the correction value to the Alice module end;
step 6-5: if the Alice module end does not receive the correction value, jumping to the step 6-1;
and if the Alice module receives the correction value, the synchronous light and the signal light of the quantum channel are successfully corrected.
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| CN115907025A (en) * | 2022-12-06 | 2023-04-04 | 北京百度网讯科技有限公司 | Quantum network protocol simulation method and device and electronic equipment |
| CN115907025B (en) * | 2022-12-06 | 2023-08-22 | 北京百度网讯科技有限公司 | Quantum network protocol simulation method and device and electronic equipment |
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