CN106980490A - A kind of real random number generator based on fluid molecule Brownian movement - Google Patents
A kind of real random number generator based on fluid molecule Brownian movement Download PDFInfo
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Abstract
The invention discloses a kind of real random number generator, it includes random counting collection unit and random number generation unit.The random counting collection unit includes：High voltage bearing closing transparency liquid pond, fills the granuloplastic mixture for doing Brownian movement in it；High speed micro-imaging equipment, it periodically shoots the mixture inside tangent plane to obtain multiframe picture.The random number generation unit includes：Digital processor, it handles the multiframe picture, to obtain preliminary random number string A0；Preprocessor, it is to A0Handled, to obtain random number series.
Description
Technical field
The application is related to randomizer, and more specifically to a kind of based on fluid molecule Brownian movement
Real random number generator.
Background technology
Random number plays an important role in fields such as cryptography, emulation, integrated circuit testings.Random number sequence is typically random
Binary sequence is combined, and according to whether reproducible, predictable, random number can be divided into pseudo random number and true random number.It is pseudo- with
Machine number is not to be truly random, and they are typically what is calculated by the various electronic equipments such as computer, therefore once
It is aware of its generation method and some parameters (such as random number seed), so that it may obtain identical pseudo random number, so that
The risk being decrypted is faced, therefore, for the security of communication, it is desirable to be able to produce the generator of true random number.
True random number is typically only possible by physical phenomenon acquisition.The entropy source of common true random number is such as, but not limited to circuit
Noise, cosmic noise, radioactive decay etc..It is truly random to produce that current real random number generator is typically based on circuit noise etc.
Number, but the noise is generally smaller, it is difficult to which directly and accurately it is measured and quantified, it is common practice to which it is amplified
After measure.However, due to amplifier, not absolute linearity is amplified, therefore to electric current resulting after the amplification of less noise
The randomness of signal certainly will be affected.Other true random-number generating methods, for example, produced using metastable trigger
, then generally there is randomness in true random number.
In addition, with the raising of traffic rate, also in the presence of the need for high-speed, true random-number generator, constantly carried with meeting
The requirement of high traffic rate.
The content of the invention
The invention provides a kind of real random number generator of high speed, it passes through week using liquid Brownian movement as entropy source
Shoot to phase property Brownian movement and the picture to shooting is digitized processing to provide at a high speed and have the true of sufficiently random property
Random number series.
The real random number generator includes random counting collection unit and random number generation unit.The random number collection is single
Member includes：High voltage bearing closing transparency liquid pond, is filled by water white transparency colloidal liquid and in the water white transparency colloid in it
The granuloplastic mixture of Brownian movement is done in liquid, and it is swollen under high pressure for accommodating the water white transparency colloidal liquid
Swollen vacuum sealing space；High speed micro-imaging equipment, it periodically shoots the mixture inside tangent plane to obtain multiframe
Picture.The random number generation unit includes：Digital processor, it will every time be shot by the high speed micro-imaging equipment
To the multiframe picture in each frame picture be placed in plane right-angle coordinate, draw grid, travel through in the grid
The gray scale around the crosspoint is simultaneously analyzed in all crosspoints, to obtain the random number that the crosspoint is represented, and then obtains pair
The preliminary random number string A of each frame picture described in Ying Yu0；Preprocessor, its institute obtained to digital processor processing
State preliminary random number string A0Handled, to obtain random number series；Wherein, the high speed micro-imaging equipment is in the transparent liquid
The center section for the mixture that the side in body pond is aligned in the transparency liquid pond is shot, the high speed micro-imaging equipment
Offside have and be attached to white pad on the pool wall in the transparency liquid pond, to contribute to the shooting, and wherein, institute
State high speed micro-imaging equipment and be electrically connected to the random number generation unit.
Brief description of the drawings
Fig. 1 is the diagram in the high voltage bearing closing transparency liquid pond 100 in random counting collection unit；
Fig. 2 is the high voltage bearing closing transparency liquid pond 100 in random counting collection unit and the He of mixture 210 in it
The diagram in vacuum sealing space 220.
Fig. 3 is that closing shot by the high speed micro-imaging device periodically in random counting collection unit, described is transparent
The inside tangent plane 300 of the mixture 210 in liquid cell 100.
Fig. 4 is carried out by the digital processor in random number generation unit, a captured frame picture is removed into week
Enclose to choose center section behind part and be placed in plane right-angle coordinate and be digitized processing to obtain preliminary random number string A0's
Diagram 400.
Fig. 5 be by random number generation unit preprocessor carry out, to the preliminary random number string A0Handled
To produce the process diagram 500 of final truly random ordered series of numbers.
Fig. 6 is the overall diagram 600 of real random number generator.
It will be appreciated by those skilled in the art that for the sake of clarity, some known devices are not shown in the accompanying drawings.Separately
Outside, the example shown in accompanying drawing is shown for illustration purposes only, and is not intended to and is limited the scope of the invention.
Embodiment
In order to provide at a high speed and have the truly random ordered series of numbers of sufficiently random property, the invention provides a kind of the truly random of high speed
Number generator, it is using liquid Brownian movement as entropy source, by periodically shooting Brownian movement and to the picture progress of shooting
Digitized processing provides the truly random ordered series of numbers of high speed.The present invention is described in detail with reference to each accompanying drawing.
Fig. 1 is the diagram in the high voltage bearing closing transparency liquid pond 100 in random counting collection unit.In Fig. 1, the liquid
Body pond 100 is empty, and in the state not yet closed.The liquid cell 100 is transparent, in order to high speed micro-imaging
Equipment is shot to it.In addition, though be that tool is effigurate figure 1 illustrates the transparency liquid pond, but this
Art personnel should be appreciated that the transparency liquid pond can be that by any kind and shape of the object of the invention
Transparency liquid pond.
Fig. 2 is the high voltage bearing closing transparency liquid pond 100 in random counting collection unit and the mixture 210 in it
Diagram.In the diagram, the liquid cell 100 fills height to be target scale, water white transparency colloidal liquid and particle mixed
Compound 210, the particle does Brownian movement in the water white transparency colloidal liquid.The example is by shown in Fig. 1
Empty liquid cell 100 in add the particle to the half of target scale, then add into the liquid cell colloid liquid
What body was realized to the target scale.The particle that first adds adds colloidal liquid to described to the half of target scale
The step of target scale is in order that the volume for obtaining the particle in the sealing liquid pond is equal to the particle and the colloid
The half of liquid volume sum, so that whether any point is by having equal opportunities that the particle is occupied in the mixture.
In the illustrated example shown in fig. 2, after the mixture 210 reaches the target scale, by the transparency liquid
Pond 100 is evacuated and hermetically sealed.In the above examples, the target scale is less than the height in the sealing liquid pond, the closing
Part in liquid cell 100 higher than the target scale expands under high pressure for accommodating the water white transparency colloidal liquid
Vacuum sealing space 220.
In the above examples, the particle can be identical with the water white transparency colloidal liquid density.The particle may be used also
To be diameter in the water insoluble particle of 0.01-0.1mm black.For example, the water insoluble particle of the black can be example
The diamond dust dust such as obtained by crossing sieve method.
The random counting collection unit can also include thermometer, and the thermometer can be measured in the transparency liquid pond
The mixture temperature.The thermometer can be built-in or wireless.
The random counting collection unit can also include heater, and the heater can be to the closing transparency liquid pond
And its internal mix thing is heated so that the internal mix thing keeps below the boiling point of the water white transparency colloidal liquid
Target temperature.
In addition, the random counting collection unit includes high speed micro-imaging equipment, the high speed micro-imaging equipment periodic
Property the inside tangent plane picture of the mixture in the closing transparency liquid pond is shot to obtain multiframe picture.
Mixture, thermometer, heater and the high speed micro-imaging in above-described closing transparency liquid pond and its inside
Equipment constitutes the random counting collection unit of the real random number generator.Although for purposes of clarity, not having in Fig. 1 and Fig. 2
The thermometer, heater and high speed micro-imaging equipment are shown, it should be appreciated to those skilled in the art that in order to realize
The purpose of the present invention, the real random number generator can include that the object of the invention, any type of above institute can be realized
Thermometer, heater and the high speed micro-imaging equipment stated.
Reference picture 3, Fig. 3 be shot by the high speed micro-imaging device periodically in the random counting collection unit,
The inside tangent plane 300 of the mixture in the closing transparency liquid pond.The high speed micro-imaging equipment can be periodically
Ground is shot to the inside tangent plane 300 of the mixture 210, and is often shot once, can obtain multiframe picture.The height
The shooting that fast micro-imaging equipment is carried out is probably high speed, to contribute to the real random number generator rapidly to produce very
Random number series.For example, the high speed micro-imaging equipment can be taken the photograph once with every N second beats, wherein N<0.1.The high speed it is micro- into
As the speed that equipment is shot can be adjusted based on the requirement of traffic rate, so that meet the traffic rate of continuous improvement
It is required that.The high speed micro-imaging equipment can be directed at the mixing in the transparency liquid pond in the side in the transparency liquid pond
The center section of thing is shot.The offside of the high speed micro-imaging equipment, which can have, is attached to the transparency liquid pond
White pad on pool wall, to avoid incoherent object from being photographed by the high speed micro-imaging equipment.The high speed is micro-
Imaging device may be also electrically connected to the random number generation unit, and the image data that shooting is obtained is transferred to described random
Number generation unit is handled.
Fig. 4 be carried out by the digital processor in random number generation unit, by a captured obtained wherein frame figure
Piece, which removes, to be chosen center section and is placed in plane right-angle coordinate that to be digitized processing preliminary random to obtain after peripheral part
Number string A0Diagram 400.It is to exclude liquid pool wall to liquid to remove peripheral part and choose center section the picture
The influence of molecular brownian motion, so that the motion of the molecule in ensureing the Picture section of be digitized processing is truly random
's.
In the present invention, the device for carrying out the digitized processing is properly termed as digital processor (not shown).It is described
Digital processor can be by following steps come to shooting obtained multiframe picture every time by the high speed micro-imaging equipment
In each frame picture be digitized processing, to obtain the preliminary random number string A corresponding to each frame picture0：By institute
State each frame picture remove after peripheral part choose center section be placed in plane right-angle coordinate, according to spacing be 0.1mm picture
Go out grid, the crosspoint for choosing the grid is used as random number string A0In i-th of numerical point xiPosition (the i of value>0,i∈
N)；Make the xiInitial value all 0；Not repeatedly travel through all crosspoints in selected center section and analyze and be somebody's turn to do
Gray scale around crosspoint in the range of diameter 0.01mm, if the gray scale is more than 50%, makes the xi=1.This area skill
Art personnel should be appreciated that all crosspoints not repeatedly traveled through in selected center section can be according to can not weigh
The random order in all crosspoints is traveled through again to carry out.After operating more than, obtain corresponding to each frame picture
Preliminary random number string A0。
Then, can be to the preliminary random number string A0Post-processed, in the present invention, carry out the dress of the post processing
Put and be properly termed as preprocessor (not shown).Above-described digital processor and the preprocessor constitute the application institute
Random number generation unit in the real random number generator of description.The digital processor and preprocessor can be held
The various shelf computer processors or microprocessor of row function described in the present invention, its such as INTEL Duos I5 series
Or I7 series processors, or the processor of single chip computer such as STM32 series.
Fig. 5 be by random number generation unit preprocessor carry out, to the preliminary random number string A0Handled
To produce the process diagram 500 of final truly random ordered series of numbers.The preprocessor can be by following steps come to described preliminary
Random number string A0Handled：To the random number string A0Corrected using Feng-Nuo Yiman, abandon the serial data A of no output1', production
Raw random number series A1；To the serial data A abandoned1' progress XOR chain correction after first digit is abandoned, obtain random number series A2；
By the random number series A2It is spliced to the random number series A1Afterwards, to obtain the random number series A corresponding to each frame picture3。
The series of the XOR chain can depend on random number demand.If, can for example, be required to meet higher uniformity and randomness
So that series is brought up into 8 grades, and if requiring higher to random number generation efficiency, then it can suitably reduce the series.
After the above-mentioned processing of the preprocessor, what is obtained corresponds to the random number series A of each frame picture3。
However, the high speed micro-imaging equipment, which is often shot, can once obtain multiframe picture, each of which frame picture both corresponds to one
Individual random number series A3, therefore the preprocessor can also be by corresponding to the multiple random numbers for shooting obtained multiframe picture every time
Arrange A3Spliced, to obtain corresponding to the random number series A shot every time4.It will be appreciated by those skilled in the art that the splicing
It is the random order of each frame picture in the multiframe picture for shooting obtain every time according to can not repeatedly travel through to carry out.
In addition, as described above, shooting of the high speed micro-imaging equipment to tangent plane inside the mixture can be week
Carry out to phase property, and often shoot once, multiframe picture can be obtained.The shooting that the high speed micro-imaging equipment is carried out can
Can be high speed, to contribute to the real random number generator rapidly to produce truly random ordered series of numbers.For example, the high speed is micro-
Imaging device can be taken the photograph once with every N second beats, wherein N<0.1.Therefore, the preprocessor can also periodically be shot corresponding to
In each shooting multiple random number series A4Spliced, to obtain random number series A5.It will be appreciated by those skilled in the art that
The splicing is carried out according to the random order for each shooting that can not repeatedly travel through during the periodicity is shot.
In addition, in order to further improve random number series A derived above5Randomness, the preprocessor can also be by
The random number series A5XOR periodic sequence correction is carried out, to obtain random number series A6.The random number series A6As in the present invention
The final output of described real random number generator.
Fig. 6 is the overall diagram 600 of real random number generator.In the diagram, it can be seen that high speed micro-imaging is set
Standby 620 offside has the white pad 650 being attached on the pool wall in the transparency liquid pond 100, to avoid incoherent thing
Body is photographed by the high speed micro-imaging equipment；The high speed micro-imaging equipment 620 may be also electrically connected to described random
Number generation unit 610, the image data that shooting is obtained is transferred to the random number generation unit and handled.As indicated,
There can be the high speed microscopic imaging device 620 of 2 and the above, double random number production efficiency.Real random number generator
The overall diagram 600 also show thermometer 630 and heater 640, and it is operated as described above with reference to Figure 2.
Real random number generator described in the invention can be quickly generated truly random ordered series of numbers, to meet continuous improvement
The requirement of traffic rate, and its truly random ordered series of numbers produced is using the Brownian movement of fluid molecule as entropy source, and producing
Correction is have passed through during the random number series of final output, the problems such as randomness is inadequate can be overcome, meanwhile, its numerical loss
Small, random number production efficiency is high (can reach 5-10GBPS).
Claims (12)
1. a kind of real random number generator (600), including：Random counting collection unit and random number generation unit (610),
The random counting collection unit includes：
High voltage bearing closing transparency liquid pond (100), fills by water white transparency colloidal liquid and in the water white transparency glue in it
The granuloplastic mixture (210) of Brownian movement is done in matter liquid, and is existed for accommodating the water white transparency colloidal liquid
The vacuum sealing space (220) expanded under high pressure；
High speed micro-imaging equipment (620), it periodically shoots the mixture inside tangent plane to obtain multiframe picture；
The random number generation unit (610) includes：
Digital processor, it will shoot each in the obtained multiframe picture every time by the high speed micro-imaging equipment
Frame picture is placed in plane right-angle coordinate, draws grid, is traveled through all crosspoints in the grid and is analyzed the intersection
Gray scale around point, to obtain the random number that the crosspoint is represented, and then is obtained corresponding to the preliminary of each frame picture
Random number string A0；
Preprocessor, its preliminary random number string A obtained to digital processor processing0Handled, with obtain with
Machine ordered series of numbers.
2. real random number generator (600) according to claim 1, wherein, the random counting collection unit also includes：
Thermometer (630), it measures the temperature of the internal mixture (210) of closing transparency liquid pond (100), wherein, institute
It is built-in or wireless to state thermometer (630)；
Heater (640), it is heated to closing transparency liquid pond (100) and its internal mix thing (210) so that
The internal mix thing (210) keeps below the target temperature of the boiling point of the water white transparency colloidal liquid.
3. real random number generator (600) according to claim 1, wherein, it is described in the random counting collection unit
The volume of the particle is equal to the particle and the half of the colloidal liquid volume sum in sealing liquid pond (100), so that
In the mixture (210) any point whether by having equal opportunities that the particle is occupied.
4. real random number generator (600) according to claim 1, wherein, described in the random counting collection unit
The particle that Brownian movement is done in liquid cell is in 0.01- with the water white transparency colloidal liquid density identical diameter
The water insoluble particle of 0.1mm black.
5. real random number generator (600) according to claim 4, wherein, the water insoluble particle of the black can be with
But it is not limited to diamond dust dust.
6. real random number generator (600) according to claim 1, wherein, the high speed micro-imaging equipment (620)
The shooting cycle is N seconds, wherein N<0.1.
7. the method that one kind generates true random number using real random number generator as claimed in claim 1 (600), including：
The digital processor is by step in detail below come to being shot every time by the high speed micro-imaging equipment (620)
To multiframe picture in each frame picture be digitized processing to obtain corresponding to the preliminary random of each frame picture
Number string A0：
Each frame picture is removed into selection center section after peripheral part to be placed in plane right-angle coordinate, is according to spacing
0.1mm draws grid, and the crosspoint for choosing the grid is used as random number string A0In i-th of numerical point xiPosition (the i of value>
0,i∈N)；
Make the xiInitial value all 0；
Not repeatedly travel through all crosspoints in selected center section and analyze diameter 0.01mm models around the crosspoint
Interior gray scale is enclosed, if the gray scale is more than 50%, the x is madei=1；
Wherein, all crosspoints for not repeatedly traveling through in selected center section are according to can not repeatedly travel through
The random order in all crosspoints is carried out.
8. the method for generation true random number according to claim 7, in addition to：
The preprocessor is by following steps come to the preliminary random number string A0Handled：
To the random number string A0Corrected using Feng-Nuo Yiman, abandon the serial data A of no output1', produce random number series A1；
To the serial data A abandoned1' remove progress XOR chain correction after first digit, obtain random number series A2；
By the random number series A2It is spliced to the random number series A1Afterwards, to obtain the random number corresponding to each frame picture
Arrange A3；
Wherein, the series of the XOR chain depends on random number demand.
9. the method for generation true random number according to claim 8, in addition to：
The preprocessor is also by following steps come to the preliminary random number string A0Handled：
By corresponding to the multiple random number series A for shooting obtained multiframe picture every time3Spliced, to obtain corresponding to bat every time
The random number series A taken the photograph4；
Wherein, the splicing is each frame picture in the multiframe picture for shooting obtain every time according to can not repeatedly travel through
Random order is carried out.
10. the method for generation true random number according to claim 9, in addition to：
The preprocessor is also by following steps come to the preliminary random number string A0Handled：
By multiple random number series A of each shooting in being shot corresponding to periodicity4Spliced, to obtain random number series A5；
Wherein, the splicing is come according to the random order for each shooting that can not repeatedly travel through during the periodicity is shot
Carry out.
11. the method for generation true random number according to claim 10, in addition to：
The preprocessor is also by following steps come to the preliminary random number string A0Handled：
By the random number series A5XOR periodic sequence correction is carried out, to obtain random number series A6。
12. the method for one kind construction real random number generator (600) as claimed in claim 2, including：
The particle is added to the half of target scale into empty liquid cell, then adds into the liquid cell colloid liquid
Body is to the target scale, to cause the particle in the sealing liquid pond (100) in the random counting collection unit
Volume is equal to the particle and the half of the colloidal liquid volume sum；
Then, the sealing liquid pond is evacuated and hermetically sealed；
Wherein, the target scale is less than in the height of the sealing liquid pond (100), the sealing liquid pond (100) and is higher than
The part of the target scale be it is described be used for accommodating the vacuum sealing that the water white transparency colloidal liquid expands under high pressure it is empty
Between (220).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710326230.0A CN106980490B (en) | 2017-05-10 | 2017-05-10 | True random number generator based on brownian motion of liquid molecules |
| CN202211173602.8A CN115373635A (en) | 2017-05-10 | 2017-05-10 | True random number generator based on brownian motion of liquid molecules |
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| CN201710326230.0A CN106980490B (en) | 2017-05-10 | 2017-05-10 | True random number generator based on brownian motion of liquid molecules |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021188195A1 (en) * | 2020-03-18 | 2021-09-23 | Real Random IP, LLC | Electromechanical apparatus, system, and method for generating true random numbers |
| US11385865B2 (en) | 2020-03-18 | 2022-07-12 | Real Random IP, LLC | Electromechanical apparatus, system, and method for generating true random numbers |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021188195A1 (en) * | 2020-03-18 | 2021-09-23 | Real Random IP, LLC | Electromechanical apparatus, system, and method for generating true random numbers |
| CN113841115A (en) * | 2020-03-18 | 2021-12-24 | 瑞尔兰德姆知识产权有限责任公司 | Electromechanical device, system and method for generating true random numbers |
| US11385865B2 (en) | 2020-03-18 | 2022-07-12 | Real Random IP, LLC | Electromechanical apparatus, system, and method for generating true random numbers |
| US11474790B2 (en) | 2020-03-18 | 2022-10-18 | Real Random IP, LLC | Electromechanical apparatus, system, and method for generating true random numbers |
| JP7445012B2 (en) | 2020-03-18 | 2024-03-06 | リアル ランダム アイピー，エルエルシー | Electromechanical device, system, and method for generating true random numbers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115373635A (en) | 2022-11-22 |
| CN106980490B (en) | 2022-11-04 |
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