CN106842246A - Big Dipper chip on-line authentication method and device - Google Patents
Big Dipper chip on-line authentication method and device Download PDFInfo
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- CN106842246A CN106842246A CN201710181204.3A CN201710181204A CN106842246A CN 106842246 A CN106842246 A CN 106842246A CN 201710181204 A CN201710181204 A CN 201710181204A CN 106842246 A CN106842246 A CN 106842246A
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- big dipper
- frequency feature
- dipper chip
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- chip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2868—Complete testing stations; systems; procedures; software aspects
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Abstract
The present invention provides a kind of Big Dipper chip on-line authentication method and device, belongs to Big Dipper chip secure technical field.The method includes:Gather the ELECTROMAGNETIC RADIATION SIGNATURE that the Big Dipper chip is operationally produced;The ELECTROMAGNETIC RADIATION SIGNATURE carries out feature extraction, obtains N number of frequency feature, and N is the integer more than or equal to 1;Whether certification is successful to determine the Big Dipper chip according to N number of frequency feature and target frequency feature.The Big Dipper chip on-line authentication method and device that the present invention is provided, improves the security of Big Dipper chip.
Description
Technical field
The present invention relates to Big Dipper chip secure technical field, more particularly to a kind of Big Dipper chip on-line authentication method and dress
Put.
Background technology
With the appearance of Beidou satellite navigation chip, used in the requirement of the critical systems such as part basis facility, national defence domestic
Chip, to improve the security and controllability of China's related system.However, due to Beidou satellite navigation chip technology maturity
The reason such as low, shipment amount is small, the Big Dipper chip price of domestic manufacturers' production is higher.In the case, the part of critical system sets
Standby supplier substitutes dipper system in its product for providing for economic interests or other purposes using GPS positioning system, or
The Big Dipper chip produced using off-shore company, using these Big Dipper chips, can reduce the security of system, and crucial moment system can
Failure can be positioned, so as to cause heavy losses.
The current technological means for carrying out chip authentication is main based on traditional chip detecting method, these method main sides
Functional test and failure analysis are overweighted, and cannot be to carrying out lossless, quick existing using the chip being currently in use in current system
Line is tested, therefore, using existing authentication method so that the security of chip is not high.
The content of the invention
The present invention provides a kind of Big Dipper chip on-line authentication method and device, improves the security of Big Dipper chip.
The embodiment of the present invention provides a kind of Big Dipper chip on-line authentication method, including:
Gather the ELECTROMAGNETIC RADIATION SIGNATURE that the Big Dipper chip is operationally produced;
Feature extraction is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE, N number of frequency feature is obtained, N is the integer more than or equal to 1;
Whether certification is successful to determine the Big Dipper chip according to N number of frequency feature and target frequency feature.
In an embodiment of the present invention, it is described that the Big Dipper is determined according to N number of frequency feature and target frequency feature
Whether certification is successful for chip, including:
N number of frequency feature is matched with target frequency feature;
If matching rate is more than or equal to predetermined threshold value, the Big Dipper chip authentication success is confirmed.
In an embodiment of the present invention, also include:
If the matching rate is less than the predetermined threshold value, the Big Dipper chip authentication failure is confirmed.
In an embodiment of the present invention, it is described N number of frequency feature is matched with target frequency feature before, also
Including:
According to N number of frequency feature, the type information of the Big Dipper chip is obtained;
Determine that the type information of the Big Dipper chip is matched with the type information of the objective chip.
In an embodiment of the present invention, the ELECTROMAGNETIC RADIATION SIGNATURE that the collection Big Dipper chip is operationally produced, bag
Include:
Gather the position data frame that the Big Dipper chip is operationally produced;
Gather the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of the position data frame.
In an embodiment of the present invention, it is described that feature extraction is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE, obtain N number of frequency special
Levy, including:
Fast Fourier Transform (FFT) is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE, M frequency feature is obtained, M is the integer more than or equal to N;
Energy value according to the M frequency feature selects N number of frequency feature.
In an embodiment of the present invention, it is described N number of frequency feature is matched with target frequency feature before, also
Including:
Frequency point information storehouse is pre-build, the frequency point information storehouse includes target type information and target frequency feature.
In an embodiment of the present invention, after the confirmation Big Dipper chip authentication success, also include:
By N number of frequency characteristic storage in the frequency feature database.
The embodiment of the present invention also provides a kind of Big Dipper chip on-line authentication device, including:
Acquisition module, for gathering the ELECTROMAGNETIC RADIATION SIGNATURE that the Big Dipper chip is operationally produced;
Extraction module, for carrying out feature extraction to the ELECTROMAGNETIC RADIATION SIGNATURE, obtains N number of frequency feature, and N is more than or equal to 1
Integer;
Determining module, for according to N number of frequency feature and target frequency feature determine the Big Dipper chip whether certification into
Work(.
In an embodiment of the present invention, the determining module, specifically for N number of frequency feature and target frequency is special
Levy and matched;If matching rate is more than or equal to predetermined threshold value, the Big Dipper chip authentication success is confirmed.
Big Dipper chip on-line authentication method and device provided in an embodiment of the present invention, is carried out to Big Dipper chip to be certified
During on-line authentication, by gathering the ELECTROMAGNETIC RADIATION SIGNATURE that Big Dipper chip is operationally produced, feature is carried out to ELECTROMAGNETIC RADIATION SIGNATURE
Extract, obtain N number of frequency feature, afterwards, further according to N number of frequency feature and target frequency feature determine Big Dipper chip whether certification
Success, so as to complete the on-line authentication to Big Dipper chip to be certified, improves the security of Big Dipper chip.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description does one and simply introduces, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of Big Dipper chip on-line authentication method provided in an embodiment of the present invention;
Fig. 2 is the schematic flow sheet of another Big Dipper chip on-line authentication method provided in an embodiment of the present invention;
Fig. 3 is a kind of structural representation of Big Dipper chip on-line authentication device provided in an embodiment of the present invention;
Fig. 4 is the structural representation of another Big Dipper chip on-line authentication device provided in an embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Term " first ", " second ", " the 3rd ", " in description and claims of this specification and above-mentioned accompanying drawing
Four " etc.(If there is)It is for distinguishing similar object, without for describing specific order or precedence.Should manage
Solution so data for using can be exchanged in the appropriate case, so as to embodiments of the invention described herein, for example can be with
Order in addition to those for illustrating herein or describing is implemented.Additionally, term " comprising " and " having " and they appoint
What deforms, it is intended that covering is non-exclusive to be included, for example, contain the process of series of steps or unit, method, system,
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for
These processes, method, product or other intrinsic steps of equipment or unit.
It should be noted that these specific embodiments can be combined with each other below, for same or analogous concept
Or process may be repeated no more in certain embodiments.
Fig. 1 is a kind of schematic flow sheet of Big Dipper chip on-line authentication method provided in an embodiment of the present invention, the Big Dipper core
Piece on-line authentication method can be performed by Big Dipper chip on-line authentication device, example, and the Big Dipper chip on-line authentication device can
To be independently arranged, it is also possible to it is integrated within a processor.Specific shown in Figure 1, the Big Dipper chip on-line authentication method can be with
Including:
The ELECTROMAGNETIC RADIATION SIGNATURE that S101, collection Big Dipper chip are operationally produced.
Example, in embodiments of the present invention, electromagnetic radiation letter can be carried out by oscillograph or data collecting card etc.
Number collection, and is stored ELECTROMAGNETIC RADIATION SIGNATURE in the form of discrete digital signal, and certainly, the embodiment of the present invention is with this
Illustrated as a example by the form of kind, but do not represented present invention is limited only by this.
S102, feature extraction is carried out to ELECTROMAGNETIC RADIATION SIGNATURE, obtain N number of frequency feature.
Wherein, N is the integer more than or equal to 1.Example, in embodiments of the present invention, N can be 10, or 15,
It is of course also possible to be 20, can specifically be configured as needed, here, being specifically how many for N, the present invention does not do specific
Limitation.
After the ELECTROMAGNETIC RADIATION SIGNATURE for collecting Big Dipper chip, it is possible to carry out feature to the ELECTROMAGNETIC RADIATION SIGNATURE and carry
Take, to obtain M frequency feature.
S103, determined according to N number of frequency feature and target frequency feature Big Dipper chip whether certification success.
Wherein, target frequency is characterized as the target frequency feature of the objective chip that empirical tests are certified products, or straight by genuine
Connect offer puts Big Dipper chip on record, proves to meet every primary demand of application after fully test, will come into operation in batches
Big Dipper chip.Various functions and implementation procedure in the target Big Dipper chip have been completed, work(in follow-up batch use
The parameter attributes such as energy, operation characteristic, pin specification no longer change.
Big Dipper chip on-line authentication method provided in an embodiment of the present invention, is recognized online to Big Dipper chip to be certified
During card, by gathering the ELECTROMAGNETIC RADIATION SIGNATURE that Big Dipper chip is operationally produced, feature extraction is carried out to ELECTROMAGNETIC RADIATION SIGNATURE, obtained
To N number of frequency feature, afterwards, whether certification is successful to determine Big Dipper chip further according to N number of frequency feature and target frequency feature, from
And the on-line authentication to Big Dipper chip to be certified is completed, improve the security of Big Dipper chip.
It is further, shown in Figure 2 on the basis of the corresponding embodiments of Fig. 1 based on the corresponding embodiments of Fig. 1,
Fig. 2 is the schematic flow sheet of another Big Dipper chip on-line authentication method provided in an embodiment of the present invention, and the Big Dipper chip is online
Authentication method can also include:
S201, pre-build frequency point information storehouse.
Wherein, frequency point information storehouse includes target type information and target frequency feature, and target type information is target north
The type information of bucket chip, target frequency is characterized as the frequency feature of target Big Dipper chip.
Example, before on-line authentication is carried out to Big Dipper chip, frequency point information storehouse, target Big Dipper core can be pre-build
Piece can as reference chip, so that the information of Big Dipper chip to be detected is matched with the information of target Big Dipper chip,
So as to be authenticated to Big Dipper chip to be certified.
It should be noted that S201 can be performed before S202-S209, but be not every time perform S202-S209 it
Between be both needed to perform S201.
The position data frame that S202, collection Big Dipper chip are operationally produced.
S203, the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of collection position data frame.
Big Dipper chip in the process of running, can produce the data frame of diversified forms, such as status data frame, characteristic
Frame and position data frame etc..Example, in embodiments of the present invention, can in advance gather the position produced when Big Dipper chip runs
Data frame, and after the position data frame is got, further gather the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of position data frame.
Certainly, the present invention is simply illustrated as a example by gathering the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of position data data frame, but is not represented
Present invention is limited only by this.
S204, Fast Fourier Transform (FFT) is carried out to ELECTROMAGNETIC RADIATION SIGNATURE, obtain M frequency feature.
Wherein, M is the integer more than or equal to N.
S205, N number of frequency feature is selected according to the energy value of M frequency feature.
Wherein, N is the integer more than or equal to 1.
After the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of position data frame is got, it is possible to which the ELECTROMAGNETIC RADIATION SIGNATURE is carried out soon
Fast Fourier transformation, so as to obtain M frequency feature, afterwards, further according to the corresponding energy value of M frequency feature, in this M frequency
The frequency feature that N number of energy value is larger is selected in point feature, as dominant frequency point feature.
S206, N number of frequency feature is matched with target frequency feature.
After N number of dominant frequency point feature is got, it is possible to will in advance be deposited in N number of dominant frequency point feature and frequency point information storehouse
The target frequency feature of storage is matched, and on-line authentication is carried out with to the Big Dipper chip to be certified.
Optionally, in embodiments of the present invention, before N number of frequency feature is matched with target frequency feature, may be used also
To include:
According to N number of frequency feature, the type information of Big Dipper chip is obtained;Determine the type information and objective chip of Big Dipper chip
Type information is matched.
Example, in actual application, in the mesh that will be prestored in N number of dominant frequency point feature and frequency point information storehouse
Before mark frequency feature is matched, first according to the N number of frequency feature for getting the model letter of the Big Dipper chip can be obtained
Breath, the type information of the Big Dipper chip is matched with the target type information prestored in frequency point information storehouse, if matching
Failure, then confirm the Big Dipper chip on-line authentication failure to be certified;If the match is successful, S206 is further performed, this is N number of
Dominant frequency point feature is matched with the target frequency feature prestored in frequency point information storehouse, with to the Big Dipper chip to be certified
Carry out on-line authentication.
If S207, matching rate are more than or equal to predetermined threshold value, the success of Big Dipper chip authentication is confirmed.
Example, in embodiments of the present invention, predetermined threshold value can be 80%, it is of course also possible to be other numerical value, this hair
Bright embodiment is to be illustrated so that predetermined threshold value is 80% as an example, can be specifically configured according to actual needs, here, this
Invention is not particularly limited.
If S208, matching rate are less than predetermined threshold value, the failure of Big Dipper chip authentication is confirmed.
As can be seen here, in embodiments of the present invention, when on-line authentication is carried out to Big Dipper chip to be certified, by first adopting
The corresponding electromagnetic radiation information of collection position data frame, then the ELECTROMAGNETIC RADIATION SIGNATURE is carried out into Fast Fourier Transform (FFT), obtain M frequency
Point feature, afterwards, further according to the corresponding energy value of M frequency feature, selects N number of energy value larger in the M frequency feature
Frequency feature, then N number of dominant frequency point feature is matched with the target frequency feature prestored in frequency point information storehouse, if
Matching rate is more than or equal to 80%, then confirm the success of Big Dipper chip authentication, if matching rate is less than 80%, confirms Big Dipper chip authentication
Failure, so as to complete the on-line authentication to Big Dipper chip to be certified, improves the security of Big Dipper chip.
It should be noted that after S206, S207 can be only carried out, it is also possible to only carry out S208, that is, only need to perform
Any one in S207 and S208.
S209, by N number of frequency characteristic storage in frequency feature database.
Example, after S207 confirms the success of Big Dipper chip authentication, N number of frequency feature of the Big Dipper chip can be deposited
Storage is matched in frequency feature database as target frequency feature.
Fig. 3 is a kind of structural representation of Big Dipper chip on-line authentication device 30 provided in an embodiment of the present invention, certainly, this
Inventive embodiments are to be illustrated by taking Fig. 3 as an example, but are not represented present invention is limited only by this.It is shown in Figure 3, the north
Bucket chip on-line authentication device 30 includes:
Acquisition module 301, for gathering the ELECTROMAGNETIC RADIATION SIGNATURE that Big Dipper chip is operationally produced.
Extraction module 302, for carrying out feature extraction to ELECTROMAGNETIC RADIATION SIGNATURE, obtains N number of frequency feature, N be more than etc.
In 1 integer.
Determining module 303, for according to N number of frequency feature and target frequency feature determine Big Dipper chip whether certification into
Work(.
Optionally, determining module 303, specifically for N number of frequency feature is matched with target frequency feature;If matching
Rate is more than or equal to predetermined threshold value, then confirm the success of Big Dipper chip authentication.
Optionally, determining module 303, if being additionally operable to matching rate less than predetermined threshold value, confirm the failure of Big Dipper chip authentication.
Optionally, shown in Figure 4, Fig. 4 is another Big Dipper chip on-line authentication dress provided in an embodiment of the present invention
30 structural representation is put, the Big Dipper chip on-line authentication device 30 can include acquisition module 304, the acquisition module 304 is used
According to N number of frequency feature, the type information of Big Dipper chip is obtained;Determine the type information of Big Dipper chip and the type of objective chip
Number information matches.
Optionally, the position data frame that acquisition module 301 is operationally produced specifically for collection Big Dipper chip;Collection position
Put the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of data frame.
Extraction module 302, specifically for carrying out Fast Fourier Transform (FFT) to ELECTROMAGNETIC RADIATION SIGNATURE, obtains M frequency feature,
M is the integer more than or equal to N;N number of frequency feature is selected according to the M energy value of frequency feature.
Optionally, the Big Dipper chip on-line authentication device 30 can also include memory module 305.
Memory module 305, for pre-building frequency point information storehouse, frequency point information storehouse includes target type information and target
Frequency feature.
Optionally, the memory module 305, is additionally operable to N number of frequency characteristic storage in frequency feature database.
Big Dipper chip on-line authentication device 30 shown in the embodiment of the present invention, can perform shown in above method embodiment
Technical scheme, its realization principle and beneficial effect are similar to, and are no longer repeated herein.
One of ordinary skill in the art will appreciate that:Realizing all or part of step of above-mentioned each method embodiment can lead to
The related hardware of programmed instruction is crossed to complete.Foregoing program can be stored in a computer read/write memory medium.The journey
Sequence upon execution, performs the step of including above-mentioned each method embodiment;And foregoing storage medium includes:ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that:Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of Big Dipper chip on-line authentication method, it is characterised in that including:
Gather the ELECTROMAGNETIC RADIATION SIGNATURE that the Big Dipper chip is operationally produced;
Feature extraction is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE, N number of frequency feature is obtained, N is the integer more than or equal to 1;
Whether certification is successful to determine the Big Dipper chip according to N number of frequency feature and target frequency feature.
2. method according to claim 1, it is characterised in that described special according to N number of frequency feature and target frequency
Whether certification is successful to levy the determination Big Dipper chip, including:
N number of frequency feature is matched with target frequency feature;
If matching rate is more than or equal to predetermined threshold value, the Big Dipper chip authentication success is confirmed.
3. method according to claim 2, it is characterised in that also include:
If the matching rate is less than the predetermined threshold value, the Big Dipper chip authentication failure is confirmed.
4. method according to claim 2, it is characterised in that described by N number of frequency feature and target frequency feature
Before being matched, also include:
According to N number of frequency feature, the type information of the Big Dipper chip is obtained;
Determine that the type information of the Big Dipper chip is matched with the type information of the objective chip.
5. method according to claim 1, it is characterised in that the electricity that the collection Big Dipper chip is operationally produced
Magnetic radiation signal, including:
Gather the position data frame that the Big Dipper chip is operationally produced;
Gather the corresponding ELECTROMAGNETIC RADIATION SIGNATURE of the position data frame.
6. method according to claim 1, it is characterised in that described that feature extraction is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE,
N number of frequency feature is obtained, including:
Fast Fourier Transform (FFT) is carried out to the ELECTROMAGNETIC RADIATION SIGNATURE, M frequency feature is obtained, M is the integer more than or equal to N;
Energy value according to the M frequency feature selects N number of frequency feature.
7. method according to claim 2, it is characterised in that described by N number of frequency feature and target frequency feature
Before being matched, also include:
Frequency point information storehouse is pre-build, the frequency point information storehouse includes target type information and target frequency feature.
8. method according to claim 7, it is characterised in that after the confirmation Big Dipper chip authentication success, also
Including:
By N number of frequency characteristic storage in the frequency feature database.
9. a kind of Big Dipper chip on-line authentication device, it is characterised in that including:
Acquisition module, for gathering the ELECTROMAGNETIC RADIATION SIGNATURE that the Big Dipper chip is operationally produced;
Extraction module, for carrying out feature extraction to the ELECTROMAGNETIC RADIATION SIGNATURE, obtains N number of frequency feature, and N is more than or equal to 1
Integer;
Determining module, for according to N number of frequency feature and target frequency feature determine the Big Dipper chip whether certification into
Work(.
10. device according to claim 9, it is characterised in that
The determining module, specifically for N number of frequency feature is matched with target frequency feature;If matching rate is more than
Or equal to predetermined threshold value, then confirm the Big Dipper chip authentication success.
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