CN206932229U - A kind of Verification System based on single photon excitation and optics PUF - Google Patents
A kind of Verification System based on single photon excitation and optics PUF Download PDFInfo
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- CN206932229U CN206932229U CN201720885330.2U CN201720885330U CN206932229U CN 206932229 U CN206932229 U CN 206932229U CN 201720885330 U CN201720885330 U CN 201720885330U CN 206932229 U CN206932229 U CN 206932229U
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Abstract
The utility model proposes a kind of Verification System based on single photon excitation and optics PUF, the method that the system is decayed using laser pulse prepares single-photon source, using high speed DMD digital micro-mirrors to carrying out high spped coding before incident light wave, the optics PUF that illumination after coding is mapped to random medium composition produces speckle response on the key, speckle pattern is gathered using SCMOS cameras, EMCCD cameras or EBCCD cameras, the registration and certification of PUF keys are carried out using speckle information.The utility model make use of the quantum nonclonability of single photon and the non-reproduction of random medium PUF keys, it physically ensure that the security of verification process, narrow band pass filter make use of to be filtered ambient light, the influence of ambient light is reduced, there is fabulous application prospect in security fields.
Description
Technical field
The present invention relates to identity authorization system, and in particular to one kind is based on single photon excitation and optics PUF（Physics can not gram
Grand function）Verification System, belong to technical field of security authentication.
Background technology
Based on physics unclonable function（PUF）Verification System there is extraordinary security, recognize in safety of future generation
Have broad application prospects in card technology, earliest is realized based on PUF Verification System using optics Disordered Media, its profit
The speckle formed with classical laser irradiation Disordered Media is authenticated, the structural information that speckle can reflect inside Disordered Media,
Different Disordered Medias can form entirely different speckle pattern, so can be carried out by the use of speckle as the mark of Disordered Media
Certification；This optics PUF keys being made up of random medium have non-reproduction, and it ensure that it as PUF certification keys
Security.
Then, S. A. Goorden etc. propose the quantum authentication system based on optics PUF, after employing altitude decay
Coherent light as light source, the number of photons that each light pulse contains is seldom.The security of the system can use quantum safety coefficient S
=K/n is described, and wherein K is the pattern count of excitation light, and n is the average photon number of excitation light pulse, that is to say, that the photon of excitation
Number is fewer, and the security of system is higher.Then, dragon weighing apparatus etc. is carried out to the quantum authentication system of the propositions such as S. A. Goorden
Improve, they are demodulated to realize using self feed back programme-control spatial light modulator to speckle caused by optics PUF keys
Registration and verification process, this method is easier Project Realization compared to S. A. Goorden etc. method, and cost is relatively low.So
And the registration of both systems and verification process speed are relatively slow, it is necessary to longer time, and ambient light has a great influence, this
Seriously limit the practical of them.Therefore, design has registration and verification process at a high speed and can reduce environment shadow
Loud quantum authentication system is necessary.
Utility model content
In order to overcome existing quantum authentication system velocity relatively slow and the shortcomings that had a great influence by ambient light, the utility model
A kind of Verification System is provided, the system not only with other quantum authentication systems with security, and can greatly carry
Height registration and the speed of verification process, and reduce influence of the ambient light to Verification System.
The technical solution of the utility model is as follows：
Single photon excitation Verification System based on impulse attenuation, including two portions of imaging positioning subsystem and authentication subsystem
Point.
The imaging positioning subsystem comprises at least：For the light emitting diode illuminated to PUF keys, for PUF keys
The 4F imaging systems of spoon imaging, for the camera to gathering PUF key images, for carrying out pinpoint three to PUF keys
The mobile translation stage of dimension, the mobile translation stage of three-dimensional are moved by finder according to the PUF keys image control of collection.
The authentication subsystem comprises at least：For the pulsed laser light source of the light pulse sent, for the smooth arteries and veins
The attenuator group of row decay is rushed in, for carrying out the digital micro-mirror of high spped coding to single photon Beam Wave-Front, for gathering speckle
The camera of pattern.
The camera in camera and authentication subsystem in the imaging positioning subsystem is same camera, and the camera can be with
It is sCMOS cameras, or EMCCD cameras, or EBCCD cameras.
The imaging positioning subsystem also includes successively：Collimation lens, Amici prism I, Amici prism II, wherein, light
Diode is located in the focus of collimation lens incident side, and Amici prism I is located in the light extraction transmission direction of collimation lens, is divided rib
Mirror II is located at the going out on light direct beam direction of Amici prism I；The 4F imaging systems include lens I and lens II, and lens I, which is located at, to be divided
Light prism II's goes out on light direct beam direction, and lens II is located on Amici prism II light extraction refractive direction, and camera is positioned over lens
The focal point of II light emission side, PUF keys are located at the focal point of lens I light emission side, and PUF keys are by automatically controlled D translation platform control
System movement.The Amici prism I, Amici prism II are 1：1 Amici prism.
The camera porch is additionally provided with electronic optical filter runner, is installed respectively on two holes of electronic optical filter runner
There are attenuator and narrow band pass filter；During using imaging positioning subsystem, electronic optical filter runner, which is rotated to narrow-band bandpass, to be filtered
The position of mating plate thang-kng；During using authentication subsystem, electronic optical filter runner is rotated to the position of attenuator thang-kng.
The authentication subsystem also includes the speculum being located on attenuator group light direction and positioned at speculum reflected light
Beam expanding lens on direction；The beam expanding lens is located on Amici prism I two incident light directions respectively with collimation lens, expands
Mirror, Amici prism I and digital micro-mirror are on a straight light path direction.
The Verification System is additionally provided with to be switched over for the position fixing process light path to PUF keys and verification process light path
Optical shutter I and optical shutter II；The optical shutter I is arranged between beam expanding lens and Amici prism I, and the optical shutter II is set
Between lens II and electronic optical filter runner.
The Verification System includes registration and two working stages of certification.It is fixed using imaging to be required for before registration and certification
Sub-systems are accurately positioned to PUF keys；During registration, by the speckle information of camera collection and excitation coding information storage；
During certification, the speckle of collection is mutually tackled and is compared with the code-excited-speckle stored, to determine whether for same PUF
Key.
The specific work process of the Verification System is：
First, the light pulse that pulsed laser light source is sent is decayed by attenuator group, obtains monochromatic light beamlet, led to
Expanded after crossing speculum reflection by beam expanding lens；
Then, high spped coding is carried out using digital micro-mirror to the light beam by Amici prism I, the illumination after coding is mapped to
Optics PUF produces speckle on the key, and the pattern of speckle is gathered by camera；Wherein, different codings will obtain different speckles
Response, coding and speckle response are one-to-one, form code-excited-response pair, these excitation-response pairs are stored
Come, be achieved that the registration to PUF keys；
When being authenticated to PUF keys, the used coding when loading one on digital micro-mirror in registration, after coding
Illumination is mapped to PUF and produces speckle on the key, gathers speckle pattern, then by the speckle pattern collected and storage it is code-excited-
- speckle response can be code-excited with storage-response that response is to contrasting, if now code-excited is recognized to consistent
Card passes through, and otherwise certification does not pass through.
The utility model has the following advantages that：
1. carrying out high spped coding to monochromatic light beamlet wavefront using digital micro-mirror, the coding rate to wavefront is improved；
2. directly gathering speckle image using camera, reduce corresponding measurement complexity, shorten time of measuring；
3. being automatically positioned using alignment system to PUF keys, ensure that each certification is all same PUF keys；
4. using narrow band pass filter, influence of the ambient light to Verification System is reduced.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, reference is：1 is attenuator group, and 2 be speculum, and 3 be beam expanding lens, and 4 be optical shutter I, and 5 be light splitting rib
Mirror I, 6 be Amici prism II, and 7 be lens I, and 8 be PUF keys, and 9 be automatically controlled D translation platform, and 10 be to be defined with lens II, 11
Straight lens, 12 be light emitting diode, and 13 be digital micro-mirror, and 14 be optical shutter II, and 15 be electronic optical filter runner, and 16 be camera,
17 be pulsed laser light source, and 18 be computer or controller.
Embodiment
As shown in figure 1, the invention provides a kind of Verification System based on single photon excitation and optics PUF, including imaging
Two parts of positioning subsystem and authentication subsystem, the Verification System include registration and two implementation processes of certification.
Start to be required for first to position PUF keys 8 in two implementation Process, its detailed process positioned is：Close
Optical shutter I 4, electronic optical filter runner 15 is rotated to attenuator position, opens optical shutter II 14, opens light emitting diode
12, open camera 16；The collimated lens 11 of light that light emitting diode 12 is sent are changed into directional light, then penetrate Amici prism successively
I 、II（That is 5,6 in Fig. 1）, then be irradiated on the sample of PUF keys 8 by lens I 7, PUF keys 8 are positioned over lens I's 7
Near focal point, in the chip of camera 16 after the 4F systems that the backscattered light on the surface of PUF keys 8 is formed through lens I 7 and lens II 10
Upper imaging, the front and back position of automatically controlled D translation platform 9 is controlled by feedback process, made on camera 16 into clearly as Ran Houyan
Planar movement perpendicular to light until the mark position as in appears in specified location, is then shut off light emitting diode 12 and light
Shutter II 14, this completes the position fixing process of PUF keys 8.Lens I 7 and lens II 10 is with identical focal length
Convex lens.
Registration is can be carried out after being positioned to PUF keys 8 and verification process, registration process are：Electronic optical filter is turned
The rotation of wheel 15 opens optical shutter I 4 and optical shutter II 14 to narrow band pass filter position；Pulsed laser light source 17 is using sharp
Light device, the pulsed light that laser is sent are changed into monochromatic light beamlet through attenuator group 1, after being reflected by speculum 2, through beam expanding lens 3
Light is expanded, light after Amici prism I 5 by being irradiated on DMD digital micro-mirrors 13, and digital micro-mirror 13 before light wave to encoding
Reflect back again afterwards, again by after Amici prism I 5 reflection pass through Amici prism II 6 and lens I 7 after be irradiated to PUF
On key 8, speckle pattern that the backscattered lights of PUF keys 8 is formed through 4F lens combinations on camera 16 is practised physiognomy, camera is to speckle
It is acquired；Different speckles can be obtained by changing the coding of DMD digital micro-mirrors 13, the coding of DMD digital micro-mirrors 13 and correspondingly
Speckle can form coding-speckle pair, store coding-speckle pair, this completes registration process.
It is also the positioning for first carrying out PUF keys 8 during certification, position fixing process is consistent with description above, is recognized after positioning
Card process, verification process are：Electronic optical filter runner 15 is rotated to narrow band pass filter position, opens the Hes of optical shutter I 4
Optical shutter II 14；Pulsed laser light source 17 uses laser, and the pulsed light that laser is sent is changed into single photon through attenuator group 1
Light beam, after being reflected by speculum 2, light is expanded through beam expanding lens 3, light after Amici prism I 5 by being irradiated to DMD digital micro-mirrors
On 13, digital micro-mirror 13 is anti-again after being encoded before one group of coded system will be selected in coding-speckle pair of storage to light wave
Be emitted back towards, again by after Amici prism I 5 reflection pass through Amici prism II 6 and lens I 7 after be irradiated to PUF keys 8
On, speckle pattern that the backscattered lights of PUF keys 8 is formed through 4F lens combinations on the chip of camera 16, camera is carried out to speckle
Collection, by the speckle pattern collected with coding-speckle of selection to being compared, judge certification object whether with registration
PUF keys are same PUF keys.
The narrow band pass filter installed on electronic optical filter runner 15 is the narrow-band bandpass colour filter corresponding to optical maser wavelength
Piece.
Claims (6)
- A kind of 1. Verification System based on single photon excitation and optics PUF, it is characterised in that：Including imaging positioning subsystem and recognize Demonstrate,prove two parts of subsystem；The imaging positioning subsystem comprises at least：For to PUF keys（8）The light emitting diode of illumination（12）, for PUF Key（8）The 4F imaging systems of imaging, for gathering the camera of PUF key images, for PUF keys（8）It is accurately fixed to carry out The automatically controlled D translation platform of position（9）；The authentication subsystem comprises at least：For sending the pulsed laser light source of light pulse（17）, for the light pulse The attenuator group to be decayed（1）, for carrying out the digital micro-mirror of high spped coding to single photon Beam Wave-Front（13）, for gathering The camera of speckle pattern；It is scattered for gathering in the camera and authentication subsystem that are used to gather PUF key images in the imaging positioning subsystem The camera of spot pattern uses same camera（16）.
- 2. the Verification System according to claim 1 based on single photon excitation and optics PUF, it is characterised in that：It is described into As positioning subsystem also includes successively：Collimation lens（11）, Amici prism I（5）, Amici prism II（6）, wherein, light-emitting diodes Pipe（12）Positioned at collimation lens（11）In the focus of incident side, Amici prism I（5）Positioned at collimation lens（11）Go out light transmission side Upwards, Amici prism II（6）Positioned at Amici prism I（5）Go out on light direct beam direction.
- 3. the Verification System according to claim 2 based on single photon excitation and optics PUF, it is characterised in that：The 4F Imaging system includes lens I（7）With lens II（10）, lens I（7）Positioned at Amici prism II（6）Go out on light direct beam direction, thoroughly Mirror II（10）Positioned at Amici prism II（6）Light extraction refractive direction on, camera（16）It is positioned over lens II（10）Light emission side Focal point, PUF keys（8）Positioned at lens I（7）Light emission side focal point, PUF keys（8）By automatically controlled D translation platform（9） Control movement.
- 4. the Verification System according to claim 2 based on single photon excitation and optics PUF, it is characterised in that：The phase Machine（16）Light inlet at be provided with electronic optical filter runner（15）, electronic optical filter runner（15）Two holes of upper diverse location On be separately installed with attenuator and narrow band pass filter；Electronic optical filter runner（15）Rotating band is employed positions subsystem in imaging The attenuator of system is located at camera（16）Light inlet at, or electronic optical filter runner（15）Rotating band is employed in authentication subsystem Narrow band pass filter be located at camera（16）Light inlet at.
- 5. the Verification System according to claim 2 based on single photon excitation and optics PUF, it is characterised in that：It is described to recognize Card subsystem also includes being located at attenuator group（1）Speculum on light direction（2）With positioned at speculum（2）Reflect on light direction Beam expanding lens（3）；The beam expanding lens（3）With collimation lens（11）It is located at Amici prism I respectively（5）Two incident light directions On, beam expanding lens（3）, Amici prism I（5）And digital micro-mirror（13）On a straight light path direction.
- 6. the Verification System according to claim 5 based on single photon excitation and optics PUF, it is characterised in that：Also set up Have for PUF keys（8）Position fixing process light path and the optical shutter I that switches over of verification process light path（4）With optical shutter II （14）；The optical shutter I（4）It is arranged at beam expanding lens（3）With Amici prism I（5）Between, the optical shutter II（14）It is arranged at Lens II（10）With electronic optical filter runner（15）Between.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720885330.2U CN206932229U (en) | 2017-07-20 | 2017-07-20 | A kind of Verification System based on single photon excitation and optics PUF |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720885330.2U CN206932229U (en) | 2017-07-20 | 2017-07-20 | A kind of Verification System based on single photon excitation and optics PUF |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257285A (en) * | 2017-07-20 | 2017-10-17 | 中国工程物理研究院电子工程研究所 | A kind of Verification System encouraged based on single photon with optics PUF |
| CN113407930A (en) * | 2021-07-17 | 2021-09-17 | 太原理工大学 | Identity verification system based on cavity type photorefractive crystal PUF |
| CN113541964A (en) * | 2021-07-17 | 2021-10-22 | 太原理工大学 | Double-pass interference type identity verification system based on photorefractive crystal PUF |
| CN113900289A (en) * | 2021-10-18 | 2022-01-07 | 中国工程物理研究院电子工程研究所 | Preparation method of light source integrated physical unclonable function device |
-
2017
- 2017-07-20 CN CN201720885330.2U patent/CN206932229U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257285A (en) * | 2017-07-20 | 2017-10-17 | 中国工程物理研究院电子工程研究所 | A kind of Verification System encouraged based on single photon with optics PUF |
| CN107257285B (en) * | 2017-07-20 | 2023-03-10 | 中国工程物理研究院电子工程研究所 | Authentication system based on single photon excitation and optical PUF |
| CN113407930A (en) * | 2021-07-17 | 2021-09-17 | 太原理工大学 | Identity verification system based on cavity type photorefractive crystal PUF |
| CN113541964A (en) * | 2021-07-17 | 2021-10-22 | 太原理工大学 | Double-pass interference type identity verification system based on photorefractive crystal PUF |
| CN113407930B (en) * | 2021-07-17 | 2022-06-21 | 太原理工大学 | Identity verification system based on cavity type photorefractive crystal PUF |
| CN113900289A (en) * | 2021-10-18 | 2022-01-07 | 中国工程物理研究院电子工程研究所 | Preparation method of light source integrated physical unclonable function device |
| CN113900289B (en) * | 2021-10-18 | 2023-04-07 | 中国工程物理研究院电子工程研究所 | Preparation method of light source integrated physical unclonable function device |
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Granted publication date: 20180126 Termination date: 20190720 |