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random number generation circuit based on current jitter of an MOS transistor and a memory

A technology of MOS transistors and generating circuits, which is applied in the field of random number generating circuits and memories, can solve problems such as security gaps, and achieve the effect of wide application prospects

Pending Publication Date: 2019-03-26
珠海博雅科技股份有限公司
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AI Technical Summary

Problems solved by technology

[0002] Random number generation plays an important role in encryption and other fields. At present, the conventional method is to provide random numbers by scrambling each number or letter in the range to obtain a set of data, commonly known as pseudo-random, so its security is relative to the mathematical meaning. There is still a certain gap in random

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  • random number generation circuit based on current jitter of an MOS transistor and a memory

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Embodiment Construction

[0015] refer to figure 1 , an embodiment of the present invention provides a random number generation circuit based on the current jitter of the MOS transistor, including a first MOS transistor, a reference device and a differential comparator for outputting random numbers, the first MOS transistor and the reference The device is respectively connected to two input terminals of the differential comparator, and the output terminal of the differential comparator outputs 0 or 1.

[0016] This embodiment is based on the current random jitter and the characteristics of the differential comparator outputting 0 or 1. In the MOS tube, the Si or SiO2 surface of the substrate will emit and capture electrons according to the voltage applied to the gate, thus affecting the The current on the drain and source of the MOS causes the jitter of the current. Since the emission and capture of electrons have uncertain characteristics in the quantum field, the jitter of the current cannot be measu...

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Abstract

The invention discloses a random number generation circuit based on current jitter of an MOS transistor and a memory. Including a first MOS transistor, a reference device; and a differential comparator for outputting a random number, the first MOS transistor and the reference device are respectively connected to two input ends of the differential comparator; the output end of the differential comparator outputs 0 or 1; According to the random jitter circuit, the phenomenon that current jitter is influenced by emission and capture of electrons is applied, the random jitter is used as an input of the differential comparator, and the reference device is used for comparison, so that the differential comparator outputs a real random sequence, and therefore, the random jitter circuit has a wideapplication prospect in the field of passwords.

Description

technical field [0001] The invention relates to a semiconductor storage circuit, in particular to a random number generating circuit and a memory based on current jitter of a MOS tube. Background technique [0002] Random number generation plays an important role in encryption and other fields. At present, the conventional method is to provide random numbers by scrambling each number or letter in the range to obtain a set of data, commonly known as pseudo-random, so its security is relative to the mathematical meaning. There is still a certain gap in randomness. Contents of the invention [0003] In order to solve the above problems, the present invention provides a random number generation circuit and memory based on the current jitter of the MOS tube, which uses the random nature of the emission and capture of electrons in the MOS tube to obtain a true random number. [0004] The technical scheme that the present invention solves its problem adopts is: [0005] A rando...

Claims

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Application Information

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IPC IPC(8): G06F7/58
CPCG06F7/588
Inventor 马亮张登军查小芳赵士钰刘大海杨小龙安友伟李迪逯钊琦
Owner 珠海博雅科技股份有限公司
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