CN108196824A - It is a kind of enhancing the device and method of tandom number generator random effect - Google Patents
It is a kind of enhancing the device and method of tandom number generator random effect Download PDFInfo
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- CN108196824A CN108196824A CN201810030672.5A CN201810030672A CN108196824A CN 108196824 A CN108196824 A CN 108196824A CN 201810030672 A CN201810030672 A CN 201810030672A CN 108196824 A CN108196824 A CN 108196824A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/58—Random or pseudo-random number generators
- G06F7/588—Random number generators, i.e. based on natural stochastic processes
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Abstract
The invention discloses a kind of to enhance the device and method of tandom number generator random effect, including deferred mount, deferred mount includes a Postponement module, to generate multiple postpones signals, wherein, each postpones signal has delay time, and delay time is different from each other；First multiplexer is coupled to the Postponement module, for exporting postpones signal delayed trigger signal in multiple postpones signals, the Random assemblies to be controlled to generate a random order；An and delay selector, it is coupled to first multiplexer, to generate a selection signal to control first multiplexer of selection signal, it is the delayed trigger signal for selecting postpones signal output, the present invention can generate the input signal of the delay for Random assemblies, to enhance randomness.
Description
Technical field
It is specially a kind of enhancing the dress of tandom number generator random effect the present invention relates to deferred mount technical field
It puts and method.
Background technology
Random number generator is widely used in cipher application, is provided for generating random number uncertain or uncertainty
It is value, interim ' key of challenge or symmetrical/asymmetric cryptographic algorithm.The entropy source of traditional randomizer is with multiple with phase
The Random assemblies of same or various repetition, and the output of each Random assemblies can be combined to export a random effect.
Substantially traditional Random assemblies can be divided into two types：It is based on shake and meta-stable.It is two kinds of
Random assemblies can generate random order.In general, the randomness of random order depends on such as technique, the rings such as voltage and temperature
Border problem.For example, the overlay offset of the process may influence randomness since overlay offset can cause the performance of Random assemblies
Certain regularity, the random order of Random assemblies output can deviate true randomness.Sometimes, systematicness may make Random assemblies
Continuously generate identical position（For example, a series of 1 or a series of 0）Or generated in the random order of output periodically,
The randomness of output will thus be reduced
In order to reach higher randomness, the entropy source of traditional randomizer is always using a large amount of Random assemblies, and combine
The output result of these Random assemblies.However, this large amount of Random assemblies may consume sizable power and larger electricity
Road surface product is in addition, Random assemblies are typically by using based on the standard logical unit of the process, come what is realized, the standard is patrolled
Each collected in unit is respectively provided with a degree of consistency so that the randomness of the combined result of uniformly random component cannot
It is satisfactory in addition, what the trigger signal of Random assemblies was always generated by same system clock；Therefore, system clock cycle can
So that Random assemblies have similar triggering performance.Therefore, it is necessary to the prior art is improved.
Invention content
The purpose of the present invention is to provide a kind of to enhance the device and method of tandom number generator random effect, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the present invention provides following technical solution：One kind is imitated at random to enhance tandom number generator
The device of fruit, including deferred mount, the deferred mount includes a Postponement module, to generate multiple postpones signals, wherein, often
A postpones signal has delay time, and delay time is different from each other；Further include the first multiplexer, first multichannel
Multiplexer is coupled to the Postponement module, for exporting postpones signal delayed trigger signal in multiple postpones signals, to control
Random assemblies processed generate a random order；A delay selector is further included, the delay selector is coupled to first multichannel and answers
With device, to generate a selection signal to control first multiplexer of selection signal, the delay is believed for selection
Number output is the delayed trigger signal.
Preferably, randomizer is further included, the randomizer includes Random assemblies and for generating at random
The deferred mount of the signal of component；The deferred mount include a Postponement module, the first multiplexer, delay selector and with
Machine number main control unit, the random number main control unit are respectively coupled to Postponement module and delay selector；The Postponement module to
Multiple postpones signals are generated, wherein, each postpones signal has delay time, and delay time is different from each other；Described first
Multiplexer is coupled to the Postponement module, for exporting postpones signal delayed trigger signal in multiple postpones signals, uses
The Random assemblies to be controlled to generate a random order；The delay selector is coupled to first multiplexer, to produce
A raw selection signal is described for selecting postpones signal output to control first multiplexer of selection signal
Delayed trigger signal.
Preferably, application method includes the following steps：
A, Postponement module generates multiple postpones signals, wherein, each postpones signal has delay time, and delay time is each other
It is different；
B, the first multiplexer generate selection signal using select by the postpones signal in the multiple postpones signal as postpone
Trigger signal exports；
C, delay triggering letter controls the Random assemblies to generate random order.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention generates multiple postpones signals by Postponement module；
Postpones signal delayed trigger signal is exported in multiple postpones signals by the first multiplexer, Random assemblies to be controlled to produce
A raw random order；And a selection signal is generated with the first multiplexer of control selections signal by delay selector, is used for
It is delayed trigger signal to select postpones signal output, using this structure, can generate the input of the delay for Random assemblies
Signal, to enhance randomness.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is one schematic diagram of the embodiment of the present invention；
Fig. 3 is two schematic diagram of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：It is a kind of enhancing tandom number generator random effect
Device, including deferred mount, the deferred mount includes a Postponement module 1, to generate multiple postpones signals, wherein, each
Postpones signal has delay time, and delay time is different from each other；Further include the first multiplexer 2, first multichannel
Multiplexer 2 is coupled to the Postponement module 1, for exporting postpones signal delayed trigger signal in multiple postpones signals, to
Random assemblies 3 is controlled to generate a random order；A delay selector 4 is further included, the delay selector 4 is coupled to more than described first
Path multiplexer 2, to generate a selection signal to control first multiplexer of selection signal 2, for selecting by described in
Postpones signal output is the delayed trigger signal.
Embodiment one：
Randomizer is further included, the randomizer includes Random assemblies 3 and the signal for generating Random assemblies 3
Deferred mount；The deferred mount includes a Postponement module 1, the first multiplexer 2, delay selector 4 and random number master
Unit 5 is controlled, random number main control unit 5 is respectively coupled to Postponement module 1 and delay selector 4；The Postponement module 1 is more to generate
A postpones signal, wherein, each postpones signal has delay time, and delay time is different from each other；First multichannel is answered
The Postponement module 1 is coupled to device 2, for exporting postpones signal delayed trigger signal in multiple postpones signals, to control
It makes the Random assemblies 3 and generates a random order；The delay selector 4 is coupled to first multiplexer 2, to generate
One selection signal is described for selecting postpones signal output to control first multiplexer of selection signal 2
Delayed trigger signal.
Embodiment two：
The invention also discloses another randomizer, randomizer includes multiple Random assemblies 3 and for being described
The deferred mount of each generation signal in multiple Random assemblies；The deferred mount includes a Postponement module 1, more to generate
A postpones signal, wherein each postpones signal is different from each other with delay time and delay time；Multiple first multiplexers
2, the Postponement module 1 is each coupled to, for exporting one delayed trigger signal of postpones signal in the multiple postpones signal,
To control each Random assemblies in the multiple Random assemblies 3, to generate a random order；And delay selector 4, coupling
To the multiple first multiplexer 2, for generating selection signal to control in the multiple first multiplexer 2
Each with select by the postpones signal export for the delayed trigger signal.
The application method of the present invention includes the following steps：
A, Postponement module generates multiple postpones signals, wherein, each postpones signal has delay time, and delay time is each other
It is different；
B, the first multiplexer generate selection signal using select by the postpones signal in the multiple postpones signal as postpone
Trigger signal exports；
C, delay triggering letter controls the Random assemblies to generate random order.
In conclusion the present invention generates multiple postpones signals by Postponement module；By the first multiplexer multiple
Postpones signal delayed trigger signal is exported in postpones signal, Random assemblies to be controlled to generate a random order；And pass through delay
Selector generates a selection signal with the first multiplexer of control selections signal, is delay for selecting postpones signal output
Trigger signal using this structure, can generate the input signal of the delay for Random assemblies, to enhance randomness.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. it is a kind of to enhance the device of tandom number generator random effect, including deferred mount, it is characterised in that：The delay
Device includes a Postponement module（1）, to generate multiple postpones signals, wherein, each postpones signal has delay time, and
Delay time is different from each other；Further include the first multiplexer（2）, first multiplexer（2）It is coupled to the delay
Module（1）, for exporting postpones signal delayed trigger signal in multiple postpones signals, to control Random assemblies（3）It generates
One random order；Further include a delay selector（4）, the delay selector（4）It is coupled to first multiplexer（2）,
To generate a selection signal to control first multiplexer of selection signal（2）, for selecting the postpones signal
It exports as the delayed trigger signal.
It is 2. according to claim 1 a kind of enhancing the device of tandom number generator random effect, it is characterised in that：Also
Including randomizer, the randomizer includes Random assemblies（3）With for generating Random assemblies（3）Signal
Deferred mount；The deferred mount includes a Postponement module（1）, the first multiplexer（2）, delay selector（4）With it is random
Number main control unit（5）, the random number main control unit（5）It is respectively coupled to Postponement module（1）And delay selector（4）；It is described to prolong
Slow module（1）To generate multiple postpones signals, wherein, each postpones signal has delay time, and delay time is each other
It is different；First multiplexer（2）It is coupled to the Postponement module（1）, for exporting delay in multiple postpones signals
Signal delay trigger signal, to control the Random assemblies（3）Generate a random order；The delay selector（4）It is coupled to
First multiplexer（2）, to generate a selection signal to control first multiplexer of selection signal（2）,
It is the delayed trigger signal for selecting postpones signal output.
3. realization is described in claim 1 a kind of to enhance the application method of the device of tandom number generator random effect,
It is characterized in that：Its application method includes the following steps：
A, Postponement module generates multiple postpones signals, wherein, each postpones signal has delay time, and delay time is each other
It is different；
B, the first multiplexer generate selection signal using select by the postpones signal in the multiple postpones signal as postpone
Trigger signal exports；
C, delay triggering letter controls the Random assemblies to generate random order.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030672.5A CN108196824A (en) | 2018-01-12 | 2018-01-12 | It is a kind of enhancing the device and method of tandom number generator random effect |
| PCT/CN2018/099763 WO2019136984A1 (en) | 2018-01-12 | 2018-08-09 | Device and method for enhancing random effect of random number generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030672.5A CN108196824A (en) | 2018-01-12 | 2018-01-12 | It is a kind of enhancing the device and method of tandom number generator random effect |
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| Publication Number | Publication Date |
|---|---|
| CN108196824A true CN108196824A (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810030672.5A Pending CN108196824A (en) | 2018-01-12 | 2018-01-12 | It is a kind of enhancing the device and method of tandom number generator random effect |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108196824A (en) |
| WO (1) | WO2019136984A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019136984A1 (en) * | 2018-01-12 | 2019-07-18 | 江苏华存电子科技有限公司 | Device and method for enhancing random effect of random number generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050004959A1 (en) * | 2003-03-14 | 2005-01-06 | Laszlo Hars | VLSI implementation of metastability-based random number generator using delay ladders |
| CN103927147A (en) * | 2013-01-16 | 2014-07-16 | 擎泰科技股份有限公司 | Delay device and method for random number generator and random number generator thereof |
| CN104899005A (en) * | 2015-06-15 | 2015-09-09 | 联想(北京)有限公司 | Random number acquisition device and password chip |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196824A (en) * | 2018-01-12 | 2018-06-22 | 江苏华存电子科技有限公司 | It is a kind of enhancing the device and method of tandom number generator random effect |
-
2018
- 2018-01-12 CN CN201810030672.5A patent/CN108196824A/en active Pending
- 2018-08-09 WO PCT/CN2018/099763 patent/WO2019136984A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050004959A1 (en) * | 2003-03-14 | 2005-01-06 | Laszlo Hars | VLSI implementation of metastability-based random number generator using delay ladders |
| CN103927147A (en) * | 2013-01-16 | 2014-07-16 | 擎泰科技股份有限公司 | Delay device and method for random number generator and random number generator thereof |
| CN104899005A (en) * | 2015-06-15 | 2015-09-09 | 联想(北京)有限公司 | Random number acquisition device and password chip |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019136984A1 (en) * | 2018-01-12 | 2019-07-18 | 江苏华存电子科技有限公司 | Device and method for enhancing random effect of random number generator |
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| Publication number | Publication date |
|---|---|
| WO2019136984A1 (en) | 2019-07-18 |
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Application publication date: 20180622 |