Asymmetric encryption method using quantum random numbers

A quantum random number and asymmetric encryption technology, applied in digital transmission systems and key distribution, which can solve problems such as unpredictability, insecurity of random numbers, and difficulty in long-lasting algorithm security.

Inactive Publication Date: 2018-08-24
BEIJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

The current RSA system uses a probability algorithm to verify whether a randomly generated large integer is a prime number, but the algorithm for generating random numbers must be very good, and the generated random numbers should be random and unpredictable
However, some of these very good random number algorithms have been published and cannot be used
Moreover, according to the principles of cryptography, the algorithm is public, and the security based on the algorithm is difficult to last for a long time.
In short, random numbers generated by deterministic algorithms are extremely insecure

Method used

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  • Asymmetric encryption method using quantum random numbers

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Embodiment Construction

[0023] combine figure 1 The schematic diagram of the realization framework of the method principle of the present invention is shown, based on the quantum random number generator scheme for measuring vacuum state shot noise, the specific steps are as follows:

[0024] 1. The quantum random number generator generates unpredictable random numbers:

[0025] Step 1a: Use the intrinsic light generated by the laser to interfere with the vacuum state signal in a 50:50 beam splitter to obtain the signal S 1 (t), S 2 (t);

[0026] Step 1b: The two signals are measured by a balanced homodyne detector to obtain a differential current, which is sampled and converted into a digital sequence by an analog-to-digital converter (ADC);

[0027] Step 1c: Calculate the number of effective random number digits that can be extracted from the digital sequence, and obtain unpredictable random numbers 0101100... through random extraction.

[0028] 2. The above quantum random numbers are passed thr...

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Abstract

The invention provides an asymmetric encryption method using quantum random numbers. The specific implementation steps of the method are as follows: step 1: a quantum random number generator generatesunpredictable random numbers; step 2: these quantum random numbers are subjected to a large integer prime number screening algorithm to obtain a seed random number satisfying the generation of a public key and private key pair; and step 3: the seed random number is subjected to a public key and private key pair generation algorithm to generate the public key and private key pair. By adoption of the method provided by the invention, the problem that the existing public key encryption system generates the random number by using the determined algorithm, resulting in extremely high insecurity, is solved. The unpredictable random number generated by the quantum random number generator is used as the seed to ensures the security and reliability of the generated public key and private key pair.Therefore, the asymmetric encryption technique using the quantum random numbers will further improve the security under the existing encryption technology.

Description

technical field [0001] The invention relates to the technical field of network security communication and encryption, in particular to an asymmetric encryption method using quantum random numbers. Background technique [0002] In recent years, with the rapid development and popularization of the mobile Internet, people have become accustomed to the convenient life it brings, but at the same time, it is also accompanied by the threat of hackers to the security of personal information and business secrets. Products with a clearly marked price. The Internet is full of illicit transactions in which citizens' personal information is bought and sold. While gaining convenience, people are also losing privacy. At the same time, people are increasingly concerned about their own information security. Therefore, it has become the consensus of practitioners in the field of information security to constantly find new or improve existing information encryption technologies to meet the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08
CPCH04L9/0825H04L9/0852H04L9/0869
Inventor 张一辰黄伟楠喻松郭弘
Owner BEIJING UNIV OF POSTS & TELECOMM
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