CN107643121A - Sensor array and its arrangement method - Google Patents
Sensor array and its arrangement method Download PDFInfo
- Publication number
- CN107643121A CN107643121A CN201610578898.XA CN201610578898A CN107643121A CN 107643121 A CN107643121 A CN 107643121A CN 201610578898 A CN201610578898 A CN 201610578898A CN 107643121 A CN107643121 A CN 107643121A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 6
- 210000002837 heart atrium Anatomy 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010200 validation analysis Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Micromachines (AREA)
Abstract
The invention discloses a kind of sensor array and its arrangement method, wherein, the sensor array includes the sensor unit of multiple arranged adjacents, sensor in each sensor unit arranges in regular hexagon, and there is a common edge in the sensor that is provided centrally with of regular hexagon, adjacent two sensor units.Method of the present invention by the way that the sensor unit in sensor array to be used to arranged in regular hexagon shape, high detection rate is exchanged for less area cost, has not only ensured system safety, and save product cost.
Description
Technical field
The present invention relates to field of information security technology, specifically, is related to a kind of sensor for being used to defend laser strikes
Array and its arrangement method.
Background technology
With the development of integrated circuit, in the life of people, smart card plays more and more important for the life of people
Role, it is such as personal because it carries the individual of people or trade secret information but while being offered convenience for people
Information, bank information etc., so its security also increasingly highlights.
In information security field, by information privacy technology, in sender, the information of transmission is protected using AES
Protect the information content of transmission, such as current newest international cryptography algorithm standard rules AES putative in the world, be exactly using 128,192,
Ciphertext technology of the key of 256 bit longs by the data encryption of 128 bit longs into 128 bits.By validation of information technology, connecing
Debit uses validation of information, and whether the information for making legitimate receiver be able to verify that he is received is true, such as current security systems
Used DSA signature algorithm, it is possible to prevent others' spurious information.Another safe practice is controlled by network, bag
Firewall technology, audit technique, access control technology and security protocol etc. are included, to ensure the safety of information.
In the information security chip product such as smart card, only above-mentioned safe practice not enough because, with
The continuous development of information technology, also develop rapidly for the attack technology of information, error injection is attacked because cost is relatively low, effect
It is good, the favor of person and hacker more and more under attack, great security threat is brought for described information safety chip product.
The principle of described error injection attack is the ambient parameter run by changing chip, such as voltage, temperature, light
By force, ionizing ray etc., or by changing chip internal device property, so as to change the electrical property of chip, make chip internal circuits
Break down, induce the failure behaviour of chip, cause chip to malfunction.And the error result of chip output can be used to derive
The sensitive informations such as the key needed.
Common methods have：Change chip internal signal value using active probe, inject electricity on power supply by chip interface
Dabbing thorn, inject clock bur in clock, reset or reset burr or change core using laser irradiation, electromagnetic signal interference
The electrical characteristics of piece internal components.
To be analyzed more than visible, the attack of usual error injection is required to implement using special instruments and equipment, and
Carried out for the chip of silicon chip form.Error injection attack simultaneously would generally cause chip internal to produce one or more failures,
Its quantity is difficult to control, and device, the signal specifically to break down is invisible, and failure behaviour is difficult to observe.And laser therein
Attack accurately controls firing area and time, turns into the important means that attacker obtains the key messages such as key.
It is to place sensor array in the region of easy stimulated light attack currently for the maximally effective means of laser strikes, when sharp
Illumination produces alarm when being mapped to sensor, notice system takes the measures such as reset to prevent from being attacked.
Current sensor array is generally using square arrangement, i.e., the length of side uniformly places sensor in region etc..With
Exemplified by 14 μm of laser strikes typical case's spot size 60x, arranged sensor using 60 μm of 60x square as basic configuration, such as Fig. 1
It is shown.Wherein, relevant parameter is as follows：
Unit (mm^2) area is counted：4x10^6/60x60=1111
Coverage rate：(60x14x2)/60x60=46.67%
The content of the invention
The technical problem to be solved in the present invention is, in view of the shortcomings of the prior art, there is provided one kind is used to defend laser to attack
The sensor array and its arrangement method hit, high detection rate, safeguards system safety are exchanged for less area cost.
In order to solve the above-mentioned technical problem, according to an aspect of the present invention, it is used to defend to swash the invention provides one kind
The sensor array of light attack, include the sensor unit of multiple arranged adjacents, wherein, the biography in each sensor unit
Sensor arranges in regular hexagon, and in the sensor that is provided centrally with of regular hexagon, adjacent two sensor units have a public affairs
Side altogether.
Wherein, more preferably, in the sensor unit, a sensor is placed with each summit of regular hexagon,
A sensor is placed with the center of regular hexagon.
Further, in the triangle that two adjacent vertexs of regular hexagon and center form, on the side of each triangle
It is placed with multiple sensors.
Further, the number of sensors on the Atria side is equal, and uniformly, be spaced.
Wherein, the length of side of the regular hexagon and the length correspondent equal of laser strikes hot spot.Further, swash when described
When light attack hot spot is 60x14 μm, the length of side of the regular hexagon is 60 μm.
In order to solve the above-mentioned technical problem, according to another aspect of the present invention, it is used to defend the invention provides one kind
The sensor array arrangement method of laser strikes, including：
Sensor by composition sensor unit is in arranged in regular hexagon shape；
In one sensor of each regular hexagon center arrangement；
By multiple sensor unit arranged adjacents, wherein, adjacent two sensor units share a common edge.
Preferably, when will form the sensor of each sensor unit is in arranged in regular hexagon shape, made with a sensor
For a summit of regular hexagon.
Preferably, when will form the sensor of each sensor unit is in arranged in regular hexagon shape, in addition to：
In the triangle that two adjacent vertexs of regular hexagon and center form, arranged on the side of each triangle multiple
Sensor.
Further, when arranging multiple sensors in the triangle edges, arranged on three sides of the triangle
The sensor of identical quantity, and uniformly, be intervally arranged.
Method of the present invention by the way that the sensor unit in sensor array to be used to arranged in regular hexagon shape, with less face
Product cost exchanges high detection rate for, has not only ensured system safety, and saves product cost, so as to lift product competitiveness.
Brief description of the drawings
Fig. 1 is sensor array arrangement schematic diagram in the prior art；
Fig. 2 is the schematic diagram of sensor array embodiments one provided by the invention；
Fig. 3 is that sensor array embodiment two provided by the invention lists intention；
Fig. 4 is the schematic flow sheet of sensor array arrangement method embodiment one of the present invention；With
Fig. 5 is the schematic flow sheet of sensor array arrangement method embodiment two of the present invention.
Embodiment
As shown in Fig. 2 it is sensor array schematic diagram in the embodiment of the present invention one.In the present embodiment, with laser strikes
Exemplified by typical 14 μm of spot size 60x.In order to detect the laser strikes hot spot P, provided in the embodiment of the present invention one
Sensor array include multiple sensor units 1 in regular hexagon (alternatively referred to as honeycomb) arrangement.Two neighboring sensing
Device unit 1 shares a side.Wherein, in each sensor unit 1, a sensing is placed with the summit of regular hexagon
Device, a sensor is placed with the center of regular hexagon.To adapt to laser strikes hot spot P size, the regular hexagon
The length of side is 60 μm.
According to Fig. 2, it is as follows to calculate relevant parameter：
Unit (mm^2) area is counted：7x10^6/ (120*60)=556
Coverage rate：(60x14x8)/(120*60)=53.3%
By the sensor array of square arrangement of the prior art and the sensor array of honeycomb of the present invention arrangement
In terms of being listed in unit area points and coverage rate, contrast is as shown in table 1.
Table 1
| Type | Unit area counts (individual/mm^2) | Coverage rate |
| Square arrangement | 1111 | 46.67% |
| Honeycomb is arranged | 556 | 53.3% |
Can see from contrast above, honeycomb arrangement is arranged relative to square, in terms of unit area points, from
1111 when dropping to 556, and coverage rate brings up to 53.3% from 46.67%.While number of sensors is greatly decreased, improve
Verification and measurement ratio, reach product high safety, the target of low cost.
As shown in figure 3, it is the schematic diagram of sensor array embodiments two provided by the invention.In the present embodiment, it is described
Sensor array still includes multiple sensor units 2 in regular hexagon (alternatively referred to as honeycomb) arrangement.With embodiment one
Unlike, each sensor unit 2 is divided into six subelements formed with two adjacent vertexs of regular hexagon and center again
21, the subelement 21 is in equilateral triangle, and it is equal to be placed with multiple quantity on the side of each equilateral triangle, and uniformly, interval passes
Sensor.In figure 3, on the side of each equilateral triangle, including summit, one shares 5 sensors.
The present embodiment strengthens honeycomb arrangement, as shown in figure 3, when there is laser strikes hot spot P as depicted,
The coverage rate of the present invention reaches 100%, can meet the product demand of high safety grade completely.
As shown in figure 4, the schematic flow sheet of sensor array arrangement method embodiment one of the present invention, wherein, it is described
Arrangement method includes：
Step S1a, the sensor by composition sensor unit is in arranged in regular hexagon shape.Wherein, in each of regular hexagon
One sensor of individual summit arrangement.
Step S2a, a sensor of being arranged at each regular hexagon center.
Step S3a, by the mutual arranged adjacent of multiple sensor units in regular hexagon, wherein, adjacent two
Sensor unit has a common edge.
Wherein, the length of side of regular hexagon is corresponding with laser strikes hot spot P size, as laser strikes spot size 60x
At 14 μm, the sensor array obtained according to the above method is as shown in Figure 2.
As shown in figure 5, the schematic flow sheet of sensor array arrangement method embodiment two of the present invention, wherein, it is described
Arrangement method includes：
Step S1b, the sensor by composition sensor unit is in arranged in regular hexagon shape.Wherein, in each of regular hexagon
One sensor of individual summit arrangement.
Step S2b, a sensor of being arranged at each regular hexagon center.
Step S3b, a sensor unit is divided into 6 equal subelements, i.e., with two adjacent vertexs of regular hexagon
Equilateral triangle with center composition is a subelement.
Step S4b, in equilateral triangle, multiple sensors of being arranged on the side of each triangle.Wherein, the multiple biography
The number of sensor is equal, and uniformly, be intervally arranged.
Step S5b, by the mutual arranged adjacent of multiple the sensor units, two adjacent sensor units are made to have one
Common edge, so as to obtain sensor array as shown in Figure 3.
The present invention uses less sensor, has exchanged higher verification and measurement ratio for, also, pass through the increasing to sensor array
By force, 100% coverage rate can be reached.System safety has not only been ensured, and has saved product cost, it is competing so as to lift product
Strive power.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For, the present invention can have various changes and change.All any modifications made within spirit and principles of the present invention, it is equal
Replace, improve etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of sensor array for being used to defend laser strikes, includes the sensor unit of multiple arranged adjacents, its feature exists
In, the sensor in each sensor unit arranges in regular hexagon, and is provided centrally with sensor in regular hexagon,
Two adjacent sensor units have a common edge.
2. sensor array as claimed in claim 1, it is characterised in that in the sensor unit, in the every of regular hexagon
Individual summit is placed with a sensor, and a sensor is placed with the center of regular hexagon.
3. sensor array as claimed in claim 1 or 2, it is characterised in that at two adjacent vertexs of regular hexagon and center
In the triangle of composition, multiple sensors are placed with the side of each triangle.
4. sensor array as claimed in claim 3, it is characterised in that the number of sensors phase on the Atria side
Deng, and uniformly, be spaced.
5. sensor array as claimed in claim 1 or 2, it is characterised in that the length of side and laser strikes of the regular hexagon
The length correspondent equal of hot spot.
6. sensor array as claimed in claim 5, it is characterised in that when the laser strikes hot spot is 60x14 μm, institute
The length of side for stating regular hexagon is 60 μm.
A kind of 7. sensor array arrangement method for being used to defend laser strikes, it is characterised in that
Sensor by composition sensor unit is in arranged in regular hexagon shape；
In one sensor of each regular hexagon center arrangement；
By multiple mutual arranged adjacents of sensor unit, wherein, adjacent two sensor units share a common edge.
8. sensor array arrangement method as claimed in claim 7, it is characterised in that each sensor unit will formed
When sensor is in arranged in regular hexagon shape, a summit using a sensor as regular hexagon.
9. sensor array arrangement method as claimed in claim 7 or 8, it is characterised in that each sensor list will formed
When the sensor of member is in arranged in regular hexagon shape, in addition to：
In the triangle that two adjacent vertexs of regular hexagon and center form, multiple sensings of being arranged on the side of each triangle
Device.
10. sensor array arrangement method as claimed in claim 9, it is characterised in that arranged in the triangle edges more
During individual sensor, the sensor for identical quantity of being arranged on three sides of the triangle, and uniformly, be intervally arranged.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578898.XA CN107643121A (en) | 2016-07-20 | 2016-07-20 | Sensor array and its arrangement method |
| PCT/CN2017/084158 WO2018014639A1 (en) | 2016-07-20 | 2017-05-12 | Sensor array and method for arranging same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578898.XA CN107643121A (en) | 2016-07-20 | 2016-07-20 | Sensor array and its arrangement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107643121A true CN107643121A (en) | 2018-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578898.XA Pending CN107643121A (en) | 2016-07-20 | 2016-07-20 | Sensor array and its arrangement method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107643121A (en) |
| WO (1) | WO2018014639A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060109241A1 (en) * | 2004-11-19 | 2006-05-25 | Dueweke Michael J | Dense multi-axis array for motion sensing |
| CN1996052A (en) * | 2006-12-21 | 2007-07-11 | 哈尔滨工业大学 | Triangular array infrared sensor of robot |
| CN101107709A (en) * | 2005-02-11 | 2008-01-16 | 雅斯拓股份有限公司 | Electronic component protected against the attacks |
| JP2008281351A (en) * | 2007-05-08 | 2008-11-20 | Denso Corp | Electronic device |
| CN101803018A (en) * | 2007-09-04 | 2010-08-11 | Nds有限公司 | Security chip |
| CN102970687A (en) * | 2012-11-02 | 2013-03-13 | 中国科学院微电子研究所 | Method for deploying detection node and detecting intrusion in wireless sensor network |
| CN103021970A (en) * | 2011-09-21 | 2013-04-03 | Nxp股份有限公司 | Integrated circuit with sensor and manufacturing method thereof |
| CN205879354U (en) * | 2016-07-20 | 2017-01-11 | 国民技术股份有限公司 | Sensor array |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2019996A1 (en) * | 2006-05-10 | 2009-02-04 | Nxp B.V. | Sensor with a circuit arrangement |
| JP4821674B2 (en) * | 2007-03-28 | 2011-11-24 | 株式会社ニコン | Focus detection apparatus and imaging apparatus |
| US10114109B2 (en) * | 2015-05-07 | 2018-10-30 | GM Global Technology Operations LLC | Lidar with hexagonal laser array |
-
2016
- 2016-07-20 CN CN201610578898.XA patent/CN107643121A/en active Pending
-
2017
- 2017-05-12 WO PCT/CN2017/084158 patent/WO2018014639A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060109241A1 (en) * | 2004-11-19 | 2006-05-25 | Dueweke Michael J | Dense multi-axis array for motion sensing |
| CN101107709A (en) * | 2005-02-11 | 2008-01-16 | 雅斯拓股份有限公司 | Electronic component protected against the attacks |
| CN1996052A (en) * | 2006-12-21 | 2007-07-11 | 哈尔滨工业大学 | Triangular array infrared sensor of robot |
| JP2008281351A (en) * | 2007-05-08 | 2008-11-20 | Denso Corp | Electronic device |
| CN101803018A (en) * | 2007-09-04 | 2010-08-11 | Nds有限公司 | Security chip |
| CN103021970A (en) * | 2011-09-21 | 2013-04-03 | Nxp股份有限公司 | Integrated circuit with sensor and manufacturing method thereof |
| CN102970687A (en) * | 2012-11-02 | 2013-03-13 | 中国科学院微电子研究所 | Method for deploying detection node and detecting intrusion in wireless sensor network |
| CN205879354U (en) * | 2016-07-20 | 2017-01-11 | 国民技术股份有限公司 | Sensor array |
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| Publication number | Publication date |
|---|---|
| WO2018014639A1 (en) | 2018-01-25 |
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