Random number generating method and system and relevant equipment

A random number and data generation technology, applied in the field of cryptography, can solve problems such as the inability to generate high-quality random numbers

Inactive Publication Date: 2018-07-20
BEIJING CERTIFICATE AUTHORITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above problems, the present invention provides a random number generation method, related equipment and system, which solves the problem that high-quality random numbers cannot be generated when the equipment does not have enough entropy sources

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  • Random number generating method and system and relevant equipment
  • Random number generating method and system and relevant equipment
  • Random number generating method and system and relevant equipment

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] The terms "first" and "second" in the specification and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or apparatus comprising a series of steps or units is not defined by listed steps or u...

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Abstract

The invention discloses a random number generating method and device and relevant equipment. A client side sends a random entropy obtaining request to a service side, and receives entropy data corresponding to the random entropy request sent by the service side; the client side obtains initial entropy source data, and mixes the initial entropy source data with the entropy data sent by the client side to generate random numbers, wherein the initial entropy source data is local weak entropy source data obtained by the client side. By means of the random number generating method and device and the relevant equipment, on the condition that the client side does not have enough entropy sources, the weak entropy source can serve as salt figures for processing through the entropy data sent by theservice side, true random numbers are obtained, and then the high-quality random numbers can be generated.

Description

technical field [0001] The present invention relates to the technical field of encryption, in particular to a random number generation method, related equipment and system. Background technique [0002] With the continuous development of computer technology and Internet technology, people store more and more information on computers and networks, which is becoming more and more important. Therefore, higher requirements are put forward for data security. Random numbers are the basis of modern cryptography and cryptographic technology. In modern cryptographic technology, random numbers are required for key generation, digital signatures, identity authentication, and numerous cryptographic protocols. Random number generation is a fundamental process in any computer system. In particular, the security of an encryption system depends on having a good source of random numbers. Random number generation usually involves two distinct stages: entropy collection and random number ge...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L29/06
CPCH04L9/0869H04L63/0428
Inventor 林雪焰詹榜华李向锋关旭
Owner BEIJING CERTIFICATE AUTHORITY
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