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Fine-grained correction method for improving randomness of output sequence

A technology of output sequence and correction method, which is applied in the field of network information security, can solve problems affecting the randomness of the output sequence, and achieve the effect of preventing excessive correction

Pending Publication Date: 2020-08-14
佳缘科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the circuits on both sides are not completely symmetrical, the power supply voltage disturbance will be converted into differential mode noise through circuit conduction, affecting the randomness of the output sequence

Method used

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  • Fine-grained correction method for improving randomness of output sequence
  • Fine-grained correction method for improving randomness of output sequence
  • Fine-grained correction method for improving randomness of output sequence

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Embodiment Construction

[0046] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0047] It can be seen from the analysis of the prior art that factors such as technology and power supply voltage disturbance will reduce the randomness of the output sequence. This circuit uses fine-grained correction to eliminate the impact of various non-ideal factors on the randomness of the output sequence. The overall structure is as follows Figure 5 As shown, it specifically includes the following steps:

[0048] Step 1: Fine-grained correction of random sources using a configurable clock delay unit;

[0049] Step 2: Generate an output sequence, detect the randomness of the output sequence, and judge whether the system is in a balanced state;

[0050] Step 3: If the system is in a balanced state, the configuration signal remains unchanged, otherwise, repeat steps 1-2.

[0051] Such ...

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Abstract

The invention discloses a fine-grained correction method for improving the randomness of an output sequence, and relates to the field of network information security. The method involves a random number generator comprising a delay unit which is a configurable clock delay unit, and comprises the following steps: 1, performing fine-grained correction on a random source by adopting the configurableclock delay unit; 2, generating the output sequence, detecting the randomness of the output sequence, and judging whether the system is in a balanced state or not; and 3, if the system is in a balanced state, keeping the configuration signal unchanged, otherwise, repeating steps 1-2, using a configurable charging tube to further eliminate the influence of various non-ideal factors on the randomness of the output sequence through fine-grained correction, and turning on or turning off a corresponding configuration tube through each correction to reduce the probability of continuous occurrence of0 or 1 in order to make the system in a balanced state. In addition, the correction strategy can prevent excessive correction of the initial mismatch condition.

Description

technical field [0001] The invention relates to the field of network information security, in particular to a fine-grained correction method for improving the randomness of an output sequence. Background technique [0002] With the vigorous development of the Internet and the emergence of concepts such as cloud computing and cloud storage, network information security is becoming more and more important. Numerous encryption algorithms and security protocols are based on random numbers, making random number generators play an increasingly important role in network communication security. more important role. [0003] The generation of true random numbers is based on natural physical phenomena. According to different implementation methods, true random number generators can be divided into three types: discrete chaotic TRNG, oscillator sampling TRNG, and thermal noise TRNG. Discrete chaotic TRNG is based on the chaos theory of nonlinear systems. , the complex switch network c...

Claims

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Application Information

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IPC IPC(8): G06F7/58
CPCG06F7/588
Inventor 朱伟华谭军
Owner 佳缘科技股份有限公司
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