Cryptographic device of quantum cryptographic card server

Abstract

The utility model discloses a quantum cryptographic card server cryptographic device, which comprises a controller, a source-independent quantum random number generator group, a random number quality detection module and a random number output module, and is characterized in that the controller is used for sending an instruction to control the source-independent quantum random number generator group to generate random numbers; the random number quality detection module is used for detecting the complexity of random numbers and sending the detected random numbers to the random number output module; and the random number output module generates a random number password according to the received random number and outputs the random number password. According to the utility model, the controller, the source-independent quantum random number group, the random number quality detection module and the random number output module are matched, the complexity of random numbers sent by the random number generator group is judged through the random number quality detection module, and the random numbers with high complexity are used for producing random number keys; the speed, the confidentiality and the security of the secret key are greatly improved, and the method is widely applied to the industrial fields of commercial passwords and information security.

Description

Technical Field

[0001] This utility model relates to the field of quantum cryptographic cards and information security technology, specifically to a quantum cryptographic card server cryptographic device. Background Technology

[0002] Quantum technology is opening up new avenues for future industries. Data transmission and communication networks play an indispensable role in many fields, including daily life, the economy, education, and national defense. However, every year there are numerous incidents of significant losses caused by information theft during communication, making communication security a top priority.

[0003] In communication, information is typically encrypted using a set of random number keys. The receiver uses this same random number key to decrypt the encrypted information and retrieve the data. Most traditional encryption methods use pseudo-random numbers, which are generated by creating a random number seed and then applying a specific algorithm to obtain pseudo-random numbers. This approach has relatively low security. If an intruder obtains the random number seed and a fixed algorithm, they can easily deduce the pseudo-random number key and steal information, causing significant losses.

[0004] The Quantum Random Number Generator (QRNG) is based on quantum effects and is the only theoretically provable true random number generator to date. It is a key technology for commercial cryptography and information security.

[0005] Therefore, existing technologies need to be improved to enhance the confidentiality and security of random number keys. Utility Model Content

[0006] To address the aforementioned technical issues, a quantum cryptographic card server cryptographic device for improving the confidentiality and security of random number keys has been proposed.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a quantum cryptographic card server cryptographic device, characterized in that it includes a controller, a source-independent quantum random number generator group, a random number quality detection module, and a random number output module.

[0008] The controller, source-independent quantum random array, random number quality detection module, and random number output module are sequentially connected via electrical signals.

[0009] The controller is used to issue commands to control the source-independent quantum random array to generate random numbers;

[0010] The random number quality detection module is used to detect the complexity of random numbers and send the random numbers that pass the detection to the random number output module;

[0011] The random number output module outputs a random number password according to the received random number.

[0012] Preferably, the source-independent quantum random number array comprises one or more source-independent quantum random numbers.

[0013] Preferably, an alarm module is further included, which is connected to the controller.

[0014] Preferably, the random number quality detection module feeds back the detection result to the controller through an electrical signal.

[0015] The controller controls the alarm module to issue an alarm information according to the detection result.

[0016] Preferably, the chip model of the controller is LCMXO2-256HC-4TG100C.

[0017] Preferably, the model of the source-independent quantum random number generator is QRNG-10.

[0018] Preferably, the chip model of the random number quality detection module is CCM3304S.

[0019] Preferably, the chip model of the random number output module is LCMXO2-256HC-4TG100C.

[0020] The present application has the beneficial technical effects of:

[0021] The present application adopts the controller, the source-independent quantum random number array, the random number quality detection module and the random number output module to work together, judges the complexity of the random number generated by the random number generator group through the random number quality detection module, generates a random number key from the random number with high complexity, and greatly improves the confidentiality and security of the key. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The present application is a whole principle block diagram of a quantum password card server password device. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with examples, but the scope of the present application is not limited to the following specific examples.

[0024] As shown in Figure 1 A quantum password card server password device comprises a controller, a source-independent quantum random number generator group, a random number quality detection module and a random number output module,

[0025] Specifically, the controller, the source-independent quantum random number array, the random number quality detection module and the random number output module are sequentially connected through electrical signals.

[0026] The functions of the various modules are as follows:

[0027] The controller is configured to issue instructions to control the source-independent quantum random number array to generate random numbers.

[0028] The source-independent quantum random number array is configured to generate random numbers.

[0029] The random number quality detection module is configured to detect the complexity of the random numbers and send the detected random numbers to the random number output module.

[0030] The random number output module outputs random number passwords according to the received random numbers.

[0031] Specifically, the source-independent quantum random number array includes one or more parallel source-independent quantum random numbers. In this embodiment, the source-independent quantum random number array includes two parallel source-independent quantum random numbers, which are arranged in parallel and connected between the controller and the random number quality detection module.

[0032] Specifically, the controller, the source-independent quantum random number array, the random number quality detection module and the random number output module are all implemented by electronic circuits, and their functions are realized by existing chips and electronic circuits.

[0033] The model of the controller is LCMXO2-256HC-4TG100C, the model of the source-independent quantum random number generator is QRNG-10, the chip model of the random number quality detection module is CCM3304S, and the chip model of the random number output module is LCMXO2-256HC-4TG100C.

[0034] Under normal circumstances, the number of 0s and 1s in the source-independent quantum random number accounts for about 50% each, but when the device in the source-independent quantum random number generator is damaged, it will cause the proportion of random numbers 0 or 1 appearing in it to far exceed 50%, resulting in a continuous arrangement of 0s or 1s. This situation is determined as low complexity of random numbers, so the complexity of the random numbers is reduced, making the key easy to be cracked and the security cannot be guaranteed.

[0035] Based on the above principle, the process of the random number quality detection module detecting the complexity of the random numbers is as follows:

[0036] The random number quality detection module collects two source-independent quantum random number sequences of a certain length, and judges the proportion of 0 and 1 in the two sequences. The judgment here is a function of the chip itself.

[0037] If the proportion of any one of 0 or 1 is greater than or equal to 70%, it is judged that the random number complexity is low, and it is determined that the source-independent quantum random number generator of the random number has failed. The random number quality detection module sends a signal to the host controller that the source-independent quantum random number generator has failed.

[0038] Conversely, it is judged that the random number complexity is normal, and the normal random number is sent to the random number output module.

[0039] After the random number output module receives the normal random number, the following three operations are made according to the situation of the random number:

[0040] (1) If both of the two quantum random number detection modules pass the detection, the required random number bits for each key are cut in half, and then one bit is inserted to form the required quantum random number key.

[0041] (2) If only one of the two quantum random number detection modules passes the detection, the required bits for the key are cut to generate the quantum random number key. In this case, the key secrecy and complexity are lower than case (1), but still have high secrecy and can be used with confidence.

[0042] (3) If both of the two quantum random number detection modules fail the detection, no random number key is generated.

[0043] Example Two

[0044] The embodiment also includes an alarm module connected to the controller.

[0045] The random number quality detection module feeds back the detection result to the controller through a telecommunication signal.

[0046] The controller controls the alarm module to send an alarm information according to the detection result.

[0047] The alarm module sends an alarm information in four cases:

[0048] ① If both of the two quantum random number detection modules pass the detection, no alarm signal is sent to the controller. At this time, the controller has no alarm information to transmit to the alarm module, which means that the source-independent quantum random number sequence is normal.

[0049] The random number quality detection module detects the abnormal random number sequence of the line 1 and sends an alarm signal to the controller module, the controller transmits the alarm signal to the alarm module, and the alarm module sends an alarm signal to the outside world that the source-independent quantum random number line 1 is damaged.

[0050] The random number quality detection module detects the abnormal random number sequence of the line 2 and sends an alarm signal to the controller, the controller transmits the alarm signal to the alarm module, and the alarm module sends an alarm signal to the outside world that the source-independent quantum random number line 2 is damaged.

[0051] The random number quality detection module detects the abnormal random number sequence of the line 1 and sends an alarm signal to the controller module, the controller transmits the alarm signal to the alarm module, and the alarm module sends an alarm signal to the outside world that the source-independent quantum random number line 1 and 2 are damaged and cannot be used.

[0052] The utility model discloses a controller, source-independent quantum random number group, random number quality detection module and random number output module cooperate, through random number quality detection module judges the complexity of the random number that random number generator group sent, produces random number key with high complexity random number, has improved the security of key greatly and the security.

[0053] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above-mentioned embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience and do not constitute any limitation on the utility model.

Claims

1. A quantum card server password device, comprising: The controller, the source-independent quantum random number generator group, the random number quality detection module, and the random number output module are sequentially connected through electrical signals. The controller is configured to issue instructions to control the source-independent quantum random number generator group to generate random numbers. The random number quality detection module is configured to detect the complexity of the random numbers and send the detected random numbers to the random number output module. The random number output module produces and outputs random number passwords according to the received random numbers. The source-independent quantum random number generator group includes one or multiple parallel source-independent quantum random numbers.

2. A quantum cryptographic card server cryptographic device as claimed in claim 1, wherein, The source-independent quantum random number is QRNG-10 random number.

3. A quantum cryptographic card server cryptographic device as claimed in claim 2, wherein, The system further includes an alarm module connected to the controller.

4. A quantum cryptographic card server cryptographic device as claimed in claim 2, wherein, The random number quality detection module feeds back the detection results to the controller through electrical signals.

5. A quantum cryptographic card server cryptographic device as claimed in claim 4, wherein, The controller controls the alarm module to issue alarm information according to the detection results. The chip model of the controller and the chip model of the random number output module are both LCMXO2-256HC-4TG100C.

6. A quantum cryptographic card server cryptographic device as claimed in claim 5, wherein, The chip model of the random number quality detection module is CCM3304S. ​ 7. A quantum cryptographic card server cryptographic device as claimed in claim 4, wherein, ​

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