CN109426709A - A kind of bio-identification chip and method - Google Patents
A kind of bio-identification chip and method Download PDFInfo
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- CN109426709A CN109426709A CN201710726048.4A CN201710726048A CN109426709A CN 109426709 A CN109426709 A CN 109426709A CN 201710726048 A CN201710726048 A CN 201710726048A CN 109426709 A CN109426709 A CN 109426709A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/45—Structures or tools for the administration of authentication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/76—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in application-specific integrated circuits [ASIC] or field-programmable devices, e.g. field-programmable gate arrays [FPGA] or programmable logic devices [PLD]
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Abstract
The present invention provides a kind of bio-identification chip and method.The chip includes enciphering algorithm module and bio-identification module；The enciphering algorithm module is electrically connected with the bio-identification module, and the enciphering algorithm module is for encrypting the bio-identification module, and the bio-identification module is for carrying out bio-identification.A kind of bio-identification chip provided by the invention and method, pass through setting enciphering algorithm module and bio-identification module, and bio-identification module is encrypted using enciphering algorithm module, the content for solving the storage of existing security encryption chip is easy arbitrarily to be distorted, and the lower technical problem of software security of its operation.
Description
Technical field
The present invention relates to field of biological recognition, more particularly, to a kind of bio-identification chip and method.
Background technique
With information-based high speed development, it is tight that the loss of significant data has become people, business and government is faced
One of urgent thing, although distinct program deploys secrecy provision, case of divulging a secret still emerges one after another.
With increasingly severeer, the increasingly development of attention security encryption chip both at home and abroad at present of security situation, safety
Encryption chip is generally made of the input/output interface that microprocessor, memory and reader are communicated.Currently, safety adds
Close chip is generally divided into two classes: a kind of using decipherment algorithm built in hardware decryption processor, another kind is added using built-in MCU
Decryption.
Although current encryption chip can realize the encipherment protection of software and data, above-mentioned two classes encryption chip setting
Inside the target device CPU of operation secure routine, and key or password are written in advance, can all be set to target after decrypted authentication
The judgement symbol whether standby mono- secure routine of CPU executes, and judgement mark can be modeled and crack, therefore target
There are biggish security breaches for equipment cpu system.Therefore, the content of existing security encryption chip is easy arbitrarily to be distorted, and
Cause the software security run on veneer lower.
Summary of the invention
The present invention is easy arbitrarily to be distorted to solve the content of security encryption chip storage in the prior art, and it is transported
The lower problem of capable software security provides a kind of bio-identification chip and method.
According to an aspect of the present invention, a kind of bio-identification chip is provided, the chip include enciphering algorithm module and
Bio-identification module；The enciphering algorithm module is electrically connected with the bio-identification module, the enciphering algorithm module for pair
The bio-identification module is encrypted, and the bio-identification module is for carrying out bio-identification.
Further, the enciphering algorithm module includes: random number generation unit, and the random number generation unit is for giving birth to
At the first random number；Key generating unit, the Key generating unit are used to encrypt first random number according to Encryption Algorithm,
And generate the first encrypted random number；Encrypted random number authentication unit, the encrypted random number authentication unit are used for described first
Encrypted random number is matched with stored second encrypted random number.
Preferably, the Encryption Algorithm includes: aes algorithm, DES algorithm, 3DES algorithm, SHA1 algorithm, SHA256 algorithm
With one of SM1 algorithm or a variety of.
Further, the bio-identification module includes: image processing unit, and described image processing unit is used for according to life
The collected biometric image signal acquisition biometric image information of object camera；Recognition unit, the recognition unit are used
According to bio-identification algorithm, the biological information in the biometric image information is obtained；Judging unit, the judgement
Unit exports matching result for matching the biological information with stored biological attribute data.
Preferably, the bio-identification module comprised determining that before bio-identification first encrypted random number with
The second encrypted random number successful match.
Preferably, the bio-identification algorithm includes: Algorithm of Iris Recognition, retina recognizer, the identification calculation of canthus line
One of method, face recognition algorithms and hand vein recognition algorithm are a variety of.
Preferably, the bio-identification algorithm burning is in the chips.
Preferably, first random number is calculated according to password code and/or the biological attribute data and/or other encryptions
Acquired in the data that method generates.
Preferably, the chip further includes microprocessor module, the microprocessor module and the enciphering algorithm module
Electrical connection, data of the microprocessor module for operation and the control chip interior.
Preferably, the microprocessor module be one chip microcomputer, the one chip microcomputer include CPU,
RAM, ROM, timer and counter.
Preferably, the chip further includes circuit module, and the circuit module is used to manage the power supply of the chip, adjustment
The voltage of the chip and the circuit for controlling the chip.
Preferably, the circuit module include one in password and numbered cell, physical security circuit and I/O interface or
It is multiple.
According to another aspect of the present invention, a kind of biometric discrimination method is provided, which comprises S1 adds first
Close random number is matched with stored second encrypted random number；S2, if first encrypted random number adds with described second
Close nonces match success, biological information is matched with stored biological attribute data, and export matching result.
Further, biological information is matched with stored biological attribute data described in step S2, and
Matching result is exported, is specifically included: S21, according to the collected biometric image signal acquisition biological characteristic of biological camera
Image information；S22 obtains the biological information in the biometric image information according to bio-identification algorithm；S23, will
The biological information is matched with the stored biological attribute data, and exports matching result.
A kind of bio-identification chip provided by the invention and method pass through setting enciphering algorithm module and bio-identification mould
Block, and bio-identification module is encrypted using enciphering algorithm module, solve the content of existing security encryption chip storage
It is easy arbitrarily to be distorted, and the lower technical problem of software security of its operation.
Detailed description of the invention
Fig. 1 is according to a kind of structural schematic diagram of bio-identification chip provided in an embodiment of the present invention；
Fig. 2 is according to a kind of structural schematic diagram of bio-identification chip provided in an embodiment of the present invention；
Fig. 3 is according to a kind of concrete structure schematic diagram of bio-identification chip provided in an embodiment of the present invention；
Fig. 4 is according to a kind of flow chart of biometric discrimination method provided in an embodiment of the present invention；
Fig. 5 is according to a kind of flow chart of biometric discrimination method provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Fig. 1 is according to a kind of structural schematic diagram of bio-identification chip provided in an embodiment of the present invention, as shown in Figure 1, institute
Stating chip includes: enciphering algorithm module 1 and bio-identification module 2；The enciphering algorithm module 1 and the bio-identification module 2
Electrical connection, for encrypting to the bio-identification module 2, the bio-identification module 2 is used for the enciphering algorithm module 1
Carry out bio-identification.
Specifically, the bio-identification chip includes enciphering algorithm module 1 and bio-identification module 2, wherein Encryption Algorithm
Module 1 for being encrypted to bio-identification module 2, only when in enciphering algorithm module 1 the first encrypted random number with deposited
After second encrypted random number successful match of storage, the function of bio-identification module 2 could be executed.Wherein, bio-identification module 2
Function is bio-identification.
Specifically, the encryption in above-described embodiment, which refers to, changes original information data with certain special algorithm, so that
Even if the information that the user of unauthorized has been encrypted, but the method because not knowing decryption, still can not understand the content of information.
Specifically, the bio-identification in above-described embodiment refers to through computer and optics, acoustics, biosensor and life
The high-tech means such as object Principle of Statistics are intimately associated, and utilize human body intrinsic physiological property (such as fingerprint, face, iris, vein
Deng) and behavioural characteristic (such as person's handwriting, sound, gait) Lai Jinhang personal identification identification.
A kind of bio-identification chip provided in an embodiment of the present invention passes through setting enciphering algorithm module and bio-identification mould
Block, and bio-identification module is encrypted using enciphering algorithm module, solve the content of existing security encryption chip storage
It is easy arbitrarily to be distorted, and the lower technical problem of software security of its operation.
Based on the above embodiment, enciphering algorithm module 1 described in above-described embodiment is further described in the present embodiment,
The enciphering algorithm module 1 includes: random number generation unit, and the random number generation unit is for generating the first random number；It is close
Key generation unit, the Key generating unit is used to encrypt first random number according to Encryption Algorithm, and generates the first encryption
Random number；Encrypted random number authentication unit, the encrypted random number authentication unit is for by first encrypted random number and
Second encrypted random number of storage is matched.
Specifically, random number generation unit is used to receive the clear-text passwords sent from microprocessor module, and will in plain text
Password is converted to random number, makes differentiation here for by the random number and the random number of subsequent appearance, which is named
For the first random number.
Wherein, clear-text passwords transmits or saves as the password of plaintext, in particular to saves password or transmission of network password
When, it is plaintext character that is not hiding, directly displaying, rather than passes through encrypted ciphertext.
It should be noted that the first random number can be generated according to the clear-text passwords that microprocessor module is sent, it can also
It is generated with the data generated according to password code, biological attribute data or other Encryption Algorithm, the present embodiment does not limit this
It is fixed.
Specifically, Key generating unit is used to encrypt the first random number according to Encryption Algorithm, and it is random to generate the first encryption
Number, wherein Encryption Algorithm be it is a variety of, specifically include: aes algorithm, DES algorithm, 3DES algorithm, SHA1 algorithm, SHA256 algorithm
With one of SM1 algorithm or a variety of.
It should be noted that Encryption Algorithm includes but is not limited to the six kinds of Encryption Algorithm mentioned in the present embodiment, this implementation
Example is not construed as limiting this.
Specifically, encrypted random number authentication unit is used for the first encrypted random number and the progress of the second encrypted random number
Match.If successful match, the function of bio-identification module 2 is executed, wherein the function of bio-identification module 2 is bio-identification.If
It fails to match, then exports the information that it fails to match.Wherein, the second encrypted random number has been stored in advance in the chips.
Specifically, in the present embodiment, matching is both mathematical linguistics and computerese, concrete meaning be cooperation or
Collocation.First encrypted random number and the second encrypted random number successful match can refer to the first encrypted random number and second encryption with
Machine number is identical, but the concrete meaning of the two successful match both can be not limited only to identical, and the present embodiment is not construed as limiting this.
Based on the above embodiment, the Encryption Algorithm in above-described embodiment is further described in the present embodiment, described to add
Close algorithm includes: one of aes algorithm, DES algorithm, 3DES algorithm, SHA1 algorithm, SHA256 algorithm and SM1 algorithm or more
Kind.
Specifically, aes algorithm is Advanced Encryption Standardalgorithm, is a kind of block encryption mark that U.S. Federal Government uses
It is quasi-.DES algorithm is data encryption standards, is a kind of block algorithm encrypted using key.3DES is triple data encryption algorithm blocks
The common name of password, it is equivalent to each data block using des encryption algorithm three times.SHA1 and SHA256 algorithm is safe Kazakhstan
Uncommon algorithm different variants, are primarily adapted for use in the Digital Signature Algorithm defined inside digital signature standard.SM1 algorithm is block cipher
Algorithm is to be grouped Standard Symmetric Multivariate algorithm by a kind of commercial cipher of national Password Management office establishment.
Based on the above embodiment, bio-identification module described in above-described embodiment 2 is further described in the present embodiment,
The bio-identification module 2 includes: image processing unit, and described image processing unit is used for collected according to biological camera
Biometric image signal acquisition biometric image information；Recognition unit, the recognition unit according to bio-identification for calculating
Method obtains the biological information in the biometric image information；Judging unit, the judging unit are used for the life
Object characteristic information is matched with stored biological attribute data, and exports matching result.
Specifically, execute bio-identification module 2 function premise are as follows: the first encrypted random number and it is described second encryption with
Machine number successful match.
Specifically, when the first encrypted random number and the second encrypted random number successful match, bio-identification module 2 starts to connect
It receives from the collected biometric image signal of biological camera.Wherein, biological camera is used to acquire biometric image,
And biometric image signal is exported in the image processing unit into bio-identification module.
Specifically, image processing unit is used to pre-process the biometric image signal received, and in biology
The biometric image information for meeting living things feature recognition requirement is extracted in characteristic image signal.
Specifically, recognition unit is used to obtain the biological information in biometric image information according to recognizer.
Wherein, bio-identification algorithm be it is a variety of, specifically include: Algorithm of Iris Recognition, retina recognizer, canthus line recognizer,
One of face recognition algorithms and hand vein recognition algorithm are a variety of.
Specifically, judging unit is used to match biological information with stored biological attribute data, and defeated
Matching result out.If successful match, authentication output passes through information；If it fails to match, authentication output failure information.Wherein,
Biological attribute data has been stored in advance in biological characteristic library.
Wherein, in the present embodiment, matching is both mathematical linguistics and computerese, and concrete meaning is cooperation or takes
Match.Biological information and stored biological attribute data, which carry out successful match, can refer to that biological information and biology are special
It is identical to levy data, but the concrete meaning of the two successful match both can be not limited only to identical, the present embodiment is not construed as limiting this.
It based on the above embodiment, in the present embodiment, include: true before the bio-identification module 2 carries out bio-identification
Fixed first encrypted random number and the second encrypted random number successful match.
Specifically, only when the first encrypted random number and the second encrypted random number successful match in enciphering algorithm module 1
Afterwards, the function of bio-identification module 2 is just executed.Wherein, the function of bio-identification module 2 is bio-identification.
A kind of bio-identification chip provided in an embodiment of the present invention, by utilizing enciphering algorithm module to bio-identification module
It is encrypted, improves the safety of bio-identification chip.
Based on the above embodiment, the present embodiment is further described to bio-identification algorithm is mentioned in above-described embodiment.
The bio-identification algorithm includes: Algorithm of Iris Recognition, retina recognizer, canthus line recognizer, face recognition algorithms
With one of hand vein recognition algorithm or a variety of.
Specifically, iris recognition is that identification is carried out based on the iris in eyes, and iris includes many interlaced
Minutias, these features such as spot, filament, coronal, striped, crypts remained unchanged in entire life course.These are special
Sign determines the uniqueness of iris feature, while also determining the uniqueness of identification.It therefore, can be special by the iris of eyes
Levy the identification object as everyone.
Specifically, retina identification requires the back side of laser irradiation eyeball to obtain the uniqueness of retinal feature.Canthus
Line identification is the sclera portion for identifying eyes, carries out identification by scanning the lines of vena ophthalmica, and the lines of vena ophthalmica is
Refer to epibulbar blood vessel, the shape of blood vessel is unique on everyone eyeball, therefore, canthus line feature can be made
For everyone identification object.Face recognition is to carry out a kind of biology knowledge of identification based on facial feature information of people
Other technology.Hand vein recognition be matched by vein distribution map with being stored in host medium sized vein characteristic value and compare, thus to individual into
Row identity authentication confirms identity.
Based on the above embodiment, the bio-identification algorithm burning in the present embodiment is in the chips.
Specifically, bio-identification chip can include but is not limited to chip factory, Mo Zu factory, terminal factory progress bio-identification
The burning of algorithm, the present embodiment are not construed as limiting this.
Based on the above embodiment, the present embodiment makes an explanation to the source of the first random number, first random number according to
Acquired in the data that password code and/or the biological attribute data and/or other Encryption Algorithm generate.
Based on the above embodiment, the bio-identification chip in the present embodiment further includes microprocessor module, the micro process
Device module is electrically connected with the enciphering algorithm module, number of the microprocessor module for operation and the control chip interior
According to.
Specifically, it is bright both to have can be used for the transmission of the random number generation unit into enciphering algorithm module 1 for microprocessor module
Literary password, and can receive random number generation unit for whether receiving feedback made by clear-text passwords, also it can receive
The matching result that judging unit is exported in bio-identification module 2.
It should be noted that the function of microprocessor module not only includes the function of mentioning in above-described embodiment, this reality
It applies example and this is not construed as limiting.
Based on the above embodiment, the present embodiment carries out furtherly the microprocessor module mentioned in above-described embodiment
Bright, the microprocessor module is one chip microcomputer, and the one chip microcomputer includes CPU, RAM, ROM, timer
And counter.
Specifically, microprocessor module can be an one chip microcomputer.Wherein, one chip microcomputer is a kind of
IC chip, by using very large scale integration technology, by with data-handling capacity central processor CPU,
Random access memory ram, read only memory ROM, I/O mouthfuls a variety of, interruption system, timer and counter are integrated on one piece of silicon wafer
The small and perfect microcomputer system constituted.
Based on the above embodiment, the present embodiment carries out furtherly one of above-described embodiment bio-identification chip
Bright, the chip further includes circuit module, and the circuit module is used to manage the electricity of the power supply of the chip, the adjustment chip
Press and control the circuit of the chip.
Based on the above embodiment, the circuit module that above-described embodiment is mentioned is further described in the present embodiment, institute
Stating circuit module includes one or more of password and numbered cell, physical security circuit and I/O interface.
Based on the above embodiment, the present embodiment is specifically explained by specifically illustrating to make bio-identification chip
It is bright.Herein with reference to Fig. 2 and Fig. 3, Fig. 2 be according to a kind of structural schematic diagram of bio-identification chip provided in an embodiment of the present invention,
Fig. 3 is according to a kind of concrete structure schematic diagram of bio-identification chip provided in an embodiment of the present invention.As shown in Fig. 2, biology is known
Other chip includes: enciphering algorithm module 1, bio-identification module 2, microprocessor module 3 and circuit module 4.As shown in figure 3, raw
The enciphering algorithm module 1 of object identification chip includes: that random number generation unit 101, Key generating unit 102 and encrypted random number are recognized
Demonstrate,prove unit 103.The bio-identification module 2 of bio-identification chip includes: image processing unit 201, recognition unit 202 and determines single
Member 203.
It should be noted that further including biological camera 5 and application processor 6 in Fig. 3, wherein biological camera 5 and answer
It is not belonging to the module in bio-identification chip with processor 6, and is only that bio-identification module 4 in bio-identification chip is being realized
The required equipment carried out data transmission when its own function.
As shown in figure 3, clear-text passwords is sent to random number generation unit 101 by microprocessor module 3；Random number generates single
Member 101 generates the first random number according to the clear-text passwords received, and the first random number is sent to Key generating unit 102；It is close
Key generation unit 102 to the first random number encryption and generates the first encrypted random number according to Encryption Algorithm, and by the first encryption with
Machine number is sent to encrypted random number authentication unit 103；Encrypted random number authentication unit 103 by the first encrypted random number with stored
The second encrypted random number matched, if successful match, execute the function of bio-identification module 2, it is defeated if it fails to match
The information that it fails to match out.
It should be noted that the function of bio-identification module 2 be bio-identification, specifically: when the first encrypted random number with
After stored second encrypted random number matching, the image processing unit 201 in bio-identification module 2 calls biological camera to adopt
The biological special medical treatment picture signal collected, and biological special medical treatment picture signal is pre-processed, to obtain biometric image information,
And biometric image information is sent to recognition unit 202, recognition unit obtains biological characteristic figure according to bio-identification algorithm
Judging unit 203 is sent to as the biological information in information, and by biological information；Judging unit 203 will be biological special
Reference breath is matched with stored biological attribute data, and exports matching result.
It should be noted that on the one hand on the other hand output is exported to microprocessor module 3 to application processing matching result
Device.Specifically, if matching result includes: successful match, authentication output passes through information；If it fails to match, authentication output failure
Information.
Based on the above embodiment, Fig. 4 is according to a kind of flow chart of biometric discrimination method provided in an embodiment of the present invention, such as
Shown in Fig. 4, which comprises S1 matches the first encrypted random number with stored second encrypted random number；S2,
If first encrypted random number and the second encrypted random number successful match, by the biological information with it is stored
Biological attribute data is matched, and exports matching result.
A kind of biometric discrimination method provided in an embodiment of the present invention, by before carrying out bio-identification operation, to biology
Recognition methods is encrypted, and the content for solving existing security encryption chip storage is easy arbitrarily to be distorted, and its operation
The lower technical problem of software security.
Based on the above embodiment, the present embodiment to described in the step S2 in above-described embodiment by biological information with
The biological attribute data of storage is matched, and is exported matching result and be further described, and step S2 is specifically included: S21, root
According to the collected biometric image signal acquisition biometric image information of biological camera；S22 is calculated according to bio-identification
Method obtains the biological information in the biometric image information；S23, by the biological information with it is stored
Biological attribute data is matched, and exports matching result.
Specifically, Fig. 5 is according to a kind of flow chart of biometric discrimination method provided in an embodiment of the present invention, referring to Fig. 5, head
First, biological camera acquires biometric image signal；Then, carry out key information matching operation, i.e., it is the first encryption is random
Number is matched with stored second encrypted random number, if successful match, executes bio-identification, defeated if it fails to match
Information that it fails to match out.
Wherein, after the first encrypted random number and stored second encrypted random number successful match, biology camera shooting is called
Collected biometric image signal, and biometric image signal is pre-processed, to obtain biometric image
Information；Then, the biological information in biometric image information is obtained；Finally by biological information and stored life
Object characteristic is matched, and exports matching result.
If authentication output passes through information it should be noted that matching result includes: successful match；It is defeated if it fails to match
Authentication failure message out.
It should be noted that the first random number was generated according to password code or biological attribute data or other Encryption Algorithm
Acquired in data, the present embodiment is not construed as limiting this.
A kind of biometric discrimination method provided in an embodiment of the present invention, by before carrying out bio-identification operation, to biology
Recognition methods is encrypted, and the content for solving existing security encryption chip storage is easy arbitrarily to be distorted, and its operation
The lower technical problem of software security.
Finally, method of the invention is only preferable embodiment, it is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (14)
1. a kind of bio-identification chip, which is characterized in that including enciphering algorithm module and bio-identification module；The Encryption Algorithm
Module is electrically connected with the bio-identification module, and the enciphering algorithm module is used to encrypt the bio-identification module,
The bio-identification module is for carrying out bio-identification.
2. chip according to claim 1, which is characterized in that the enciphering algorithm module includes:
Random number generation unit, the random number generation unit is for generating the first random number；
Key generating unit, the Key generating unit are used to encrypt first random number according to Encryption Algorithm, and generate the
One encrypted random number；
Encrypted random number authentication unit, the encrypted random number authentication unit be used for by first encrypted random number with stored
The second encrypted random number matched.
3. chip according to claim 2, which is characterized in that the Encryption Algorithm include: aes algorithm, DES algorithm,
One of 3DES algorithm, SHA1 algorithm, SHA256 algorithm and SM1 algorithm are a variety of.
4. chip according to claim 2, which is characterized in that the bio-identification module includes:
Image processing unit, described image processing unit according to the collected biometric image signal of biological camera for obtaining
Take biometric image information；
Recognition unit, the recognition unit are used to obtain the life in the biometric image information according to bio-identification algorithm
Object characteristic information；
Judging unit, the judging unit are used for the biological information and the progress of stored biological attribute data
Match, and exports matching result.
5. chip according to claim 4, which is characterized in that the bio-identification module wrap before bio-identification
It includes: determining first encrypted random number and the second encrypted random number successful match.
6. chip according to claim 4, which is characterized in that the bio-identification algorithm includes: Algorithm of Iris Recognition, view
One of nethike embrane recognizer, canthus line recognizer, face recognition algorithms and hand vein recognition algorithm are a variety of.
7. chip according to claim 6, which is characterized in that the bio-identification algorithm burning is in the chips.
8. chip according to claim 2, which is characterized in that first random number is according to password code and/or described
Acquired in the data that biological attribute data and/or other Encryption Algorithm generate.
9. chip according to claim 1, which is characterized in that it further include microprocessor module, the microprocessor module
It is electrically connected with the enciphering algorithm module, data of the microprocessor module for operation and the control chip interior.
10. chip according to claim 5, which is characterized in that the microprocessor module is one chip microcomputer, institute
Stating one chip microcomputer includes CPU, RAM, ROM, timer and counter.
11. chip according to claim 1, which is characterized in that further include circuit module, the circuit module is for managing
The circuit of the power supply of the chip, the voltage of the adjustment chip and the control chip.
12. chip according to claim 11, which is characterized in that the circuit module includes password and numbered cell, object
Manage one or more of safety circuit and I/O interface.
13. a kind of biometric discrimination method characterized by comprising
S1 matches the first encrypted random number with stored second encrypted random number；
S2, if first encrypted random number and the second encrypted random number successful match, by biological information with deposited
The biological attribute data of storage is matched, and exports matching result.
14. according to the method for claim 13, which is characterized in that described in step S2 by biological information with stored
Biological attribute data matched, and export matching result, specifically include:
S21, according to the collected biometric image signal acquisition biometric image information of biological camera；
S22 obtains the biological information in the biometric image information according to bio-identification algorithm；
The biological information is matched with the stored biological attribute data, and exports matching result by S23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710726048.4A CN109426709A (en) | 2017-08-22 | 2017-08-22 | A kind of bio-identification chip and method |
Applications Claiming Priority (1)
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| CN111626192A (en) * | 2020-05-26 | 2020-09-04 | 上海云从企业发展有限公司 | Living body detection method, system, equipment and medium |
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