CN109409062A - Identity authorization system and method based on the unclonable technology of physics and physiological characteristic - Google Patents
Identity authorization system and method based on the unclonable technology of physics and physiological characteristic Download PDFInfo
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- CN109409062A CN109409062A CN201811156699.5A CN201811156699A CN109409062A CN 109409062 A CN109409062 A CN 109409062A CN 201811156699 A CN201811156699 A CN 201811156699A CN 109409062 A CN109409062 A CN 109409062A
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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
-
- 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
- G06F21/46—Structures or tools for the administration of authentication by designing passwords or checking the strength of passwords
-
- 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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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
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- General Engineering & Computer Science (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of intelligent identity identification system and method based on the unclonable technology of physics and physiological characteristic, PUF electronic circuit is assembled in the electronic equipment for needing authentication；When user uses this electronic equipment in advance, acquire the physiological characteristic of user, corresponding electric signal is obtained as excitation input PUF electronic circuit according to the physiological characteristic of user, obtain the initial key of user, the key of the key of user and the owner is compared, authentication is carried out to user.The present invention generates key by the immanent structure of chip, then chip is embedded into the equipment to be encrypted, and device security can only be improved by the key for specifying the physiological characteristic of user to open by being formed.
Description
Technical field
The present invention relates to intelligent identity identification technical fields, and in particular to one kind is based on the unclonable technology of physics and physiology
The identity authorization system and method for feature.
Background technique
While the development of BYOD (from carrying device) brings working efficiency that is convenient and improving employee to the development of enterprise
There is also some security risks.Such as: the employee of a company is lost the mobile phone of oneself, and this mobile phone is once to use
The network of company was accessed, if his mobile phone has dropped into some criminal's hands, then these criminals are just
This mobile phone can be used easily to access this company's network and steal the significant data in the database of company.Therefore, right
Business object as enterprise, it is ensured that it is very necessary that a legal working equipment is operated by a legal user
, this needs an identifying algorithm just to ensure the legitimacy of equipment user.
Traditional authentication method includes smartcard identification, disposal password (OTP) or can carry digital certificate book.They
Mainly have following problem: 1, the key that they are used to start crypto engine is all stored in nonvolatile memory (EEPROM)
On, such equipment be to intrusion sexual assault physically it is very fragile, electron microscope can be used from object in attacker
The key of storage is detected in reason level；It 2, the use of the authenticating device of OTP is very in the case where needing the frequently scene using equipment
Cumbersome.
It is high performance to be based on the unclonable technology of physics the invention proposes a kind of low overhead in order to overcome above-mentioned difficulties
With the intelligent identity identification method of physiological characteristic.
Summary of the invention
Goal of the invention: to solve to be easy the attack and certification by physical layer in existing identity identifying and authenticating method
Equipment uses cumbersome disadvantage, and the present invention discloses a kind of intelligent identity identification based on physics unclonable technology and physiological characteristic
System and method.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
Intelligent identity identification system based on the unclonable technology of physics and physiological characteristic, characterized in that including PUF electronics
Circuit and the electronic equipment for needing authentication, electronic equipment include that physiological characteristic acquisition module, crypto engine module, identity are recognized
Demonstrate,prove module and cipher key storage block；PUF electronic circuit is assembled in crypto engine module,
Physiological characteristic acquisition module, for acquiring the physiological characteristic of the owner or user；
Crypto engine module, for obtaining corresponding electric signal according to the physiological characteristic of acquisition, as excitation input PUF electricity
Corresponding key is obtained in sub-circuit；
Cipher key storage block, for storing key；
Authentication module, for carrying out authentication to user according to the key of user and the key of the owner；
When owner's cipher key initialization, physiological characteristic acquisition module acquires the physiological characteristic of the owner, crypto engine module
Corresponding electric signal, which is obtained, as excitation input PUF electronic circuit according to the physiological characteristic of the owner obtains the initial close of the owner
Key, incoming cipher key storage block store the key of this owner；
When user uses this electronic equipment in advance, physiological characteristic acquisition module acquires the physiological characteristic of user, encryption
Engine modules obtain corresponding electric signal as excitation input PUF electronic circuit according to the physiological characteristic of user and obtain user
Initial key, authentication module compares the key of the key of user and the owner, carries out identity to user
Certification.
Preferably, PUF electronic circuit includes that the input stimulus unit being sequentially connected, PUF realization unit and detection output are single
Member, input stimulus unit be linear feedback shift register in sequential series, PUF realize unit include ring oscillator circuit and
Bidirectional counter, ring oscillator circuit are to be formed based on pairs of basic inverter stages module and electric current starvation inverter stages module
Loop circuit, ring oscillator connect bidirectional counter and realize exciter response, and detection output unit includes tri-state detector, according to
Exciter response exports Serial No..
Preferably, physiological characteristic is fingerprint.
Correspondingly, the present invention also provides a kind of intelligent identity identifications based on physics unclonable technology and physiological characteristic
Method, characterized in that specifically includes the following steps:
S1, PUF electronic circuit is obtained, PUF electronic circuit is assembled in the electronic equipment for needing authentication；
S2 when owner's cipher key initialization, acquires the physiological characteristic of the owner, is obtained pair according to the physiological characteristic of the owner
The electric signal answered obtains the initial key of the owner and stores the key of this owner as excitation input PUF electronic circuit；
S3 acquires the physiological characteristic of user when user uses this electronic equipment in advance, special according to the physiology of user
Sign obtains corresponding electric signal as excitation input PUF electronic circuit, the initial key of user is obtained, by the key of user
It is compared with the key of the owner, authentication is carried out to user.
Preferably, physiological characteristic is fingerprint.
Preferably, it is encrypted using the data in key pair electronic equipment, when user's pre-acquiring file or data,
This encrypted data is decrypted using the corresponding key of user.
The beneficial effect comprise that present invention utilizes PUF electronic circuits to generate random and stable key,
By key storage among the structure of chip, it is any have it is invasive attack all will inevitably change chip structure and
So that key loses effectiveness, it is highly-safe.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the present invention；
Fig. 2 is the detail view of CMOS in embodiment；
Fig. 3 is the micro-structure diagram of PUF electronic circuit in CMOS in embodiment.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Main thought of the invention is: first having to the key that manufacture has unclonable property, key is exactly PUF electronics electricity
The structure on road itself, that is to say, that the manufacture details of each PUF electronic circuit is different, identical there is no two
Key.After the key for obtaining having unclonable property, this key is assembled among crypto engine.Encryption of the invention
Engine can receive from the unique physiological characteristic of human body (such as fingerprint, iris etc.), convert it into electric signal, should
Signal obtains corresponding password after the encryption of PUF electronic circuit, because key has nonclonability, ciphering process tool
There is nonclonability, therefore the personal identification number generated has nonclonability.
Intelligent identity identification system based on the unclonable technology of physics and physiological characteristic, it is shown in Figure 1, including PUF
Electronic circuit and the electronic equipment for needing authentication, electronic equipment includes physiological characteristic acquisition module, crypto engine module, body
Part authentication module and cipher key storage block；PUF electronic circuit is assembled in crypto engine module,
Physiological characteristic acquisition module, for acquiring the physiological characteristic of the owner or user；
Crypto engine module, for obtaining corresponding electric signal according to the physiological characteristic of acquisition, as excitation input PUF electricity
Corresponding key is obtained in sub-circuit；
Cipher key storage block, for storing key；
Authentication module, for carrying out authentication to user according to the key of user and the key of the owner；
When owner's cipher key initialization, physiological characteristic acquisition module acquires the physiological characteristic of the owner, crypto engine module
Corresponding electric signal, which is obtained, as excitation input PUF electronic circuit according to the physiological characteristic of the owner obtains the initial close of the owner
Key, incoming cipher key storage block store the key of this owner；
When user uses this electronic equipment in advance, physiological characteristic acquisition module acquires the physiological characteristic of user, encryption
Engine modules obtain corresponding electric signal as excitation input PUF electronic circuit according to the physiological characteristic of user and obtain user
Initial key, authentication module compares the key of the key of user and the owner, carries out identity to user
Certification.
Present invention utilizes PUF electronic circuits to generate random and stable key, by key storage chip knot
It is any to there is invasive attack all inevitably to change the structure of chip and key is made to lose effectiveness among structure.
Embodiment
Each circuit has unique circuit structure to the internal structure of PUF electronic circuit during fabrication, i.e. input is same
One is motivated the output response for but obtaining a shade of difference, and the electronics electricity when receiving the external attack with invasive
The meeting on road is by a degree of destruction, when the immanent structure of electronic circuit changes, even if giving identical password entry, that
Electronic circuit is also to be not the same in the output that the response for excitation is electronic circuit.That is, PUF electronics electricity
Unique circuit structure of the rood to fixation when the factory that key is exactly PUF electronic circuit itself.
Identity identifying method based on physics unclonable technology and physiological characteristic of the invention, specifically includes following step
It is rapid:
S1 manufactures the key electronic circuit with nonclonability according to time series；
PUF electronic circuit includes the input stimulus unit being sequentially connected, PUF realization unit and detection output unit, input
Exciting unit is linear feedback shift register in sequential series, and PUF realizes that unit includes ring oscillator circuit and two-way meter
Number device, ring oscillator circuit are the annular electro formed based on pairs of basic inverter stages module and electric current starvation inverter stages module
Road, ring oscillator connect bidirectional counter and realize exciter response, and detection output unit includes tri-state detector, is rung according to excitation
Serial No. should be exported.
The main road You Qian of the specific integrated circuit technology of PUF electronic circuit and postchannel process, preceding road technique include again silicon and
Manufacture, oxidation, ion implanting, deposit, metallization, lithography and etching, chemical-mechanical planarization of silicon wafer etc., postchannel process include
Packaging and testing.
PUF electronic circuit internal structure is the mapping of a time series, is put when plant-manufactured at the same time
Two or more keys can not be produced simultaneously, i.e., it is identical on circuit structure completeness, it is defeated in face of uniquely motivating
Entering has different response output, so key can not be cloned physically.
The generation formula of key can be described as follows:
Key=manufacture (time)
Wherein time indicates the unique identification of the time of key during fabrication, and manufacture indicates the manufacturer of key
Method.Because time when manufacture is not reproducible, it is possible to generate the unclonable key of only one physics.
The encryption key that the present invention uses has the unclonable property of physics, i.e., can not be obtained completely by identical method
Identical key.
PUF electronic circuit with nonclonability is assembled in the electronic equipment for needing authentication.Crypto engine
Among, electronic equipment includes physiological characteristic acquisition module, crypto engine module, authentication module and cipher key storage block；I.e.
PUF electronic circuit is assembled in crypto engine module.
As shown in figure 3, in the present invention cmos element of key chip details, it can be seen that black surround center come out
It is exactly the kernel (IP kernel) using the unclonable technology of physics of 65nm CMOS technology manufacture.
The microstructure of kernel is as shown in Fig. 2, the arrangement mode of kernel internal structure is key itself.
S2, it is necessary first to which the physiological characteristic (fingerprint) of the recording device owner carries out key authentication information initializing.
The physiological characteristic for acquiring the owner obtains corresponding electric signal as excitation input according to the physiological characteristic of the owner
PUF electronic circuit obtains the initial key of the owner and stores the key of this owner, and database reality can be used in memory module
It is existing.
Physiological characteristic acquisition module acquires the physiological characteristic of the owner or user；This physiological characteristic acquisition module can be used
Fingerprint capturer is realized in the prior art.
Due to unique mapping of the key electronic circuit with nonclonability, can be generated corresponding to typing person only
The generation formula of the corresponding key of one information, password indicates:
Password=PUF (key, fingerprint)
Wherein PUF represents password generating process, and key represents the unclonable key of physics, and fingerprint, which is represented, to be used
The physiological characteristic signal of person's input.
After generating key for the first time, the key electronic circuit of nonclonability enters encrypted work state, only again
After the physiological characteristic (such as fingerprint) for receiving the owner, the key electronic circuit of nonclonability can just unlock response.
S3, authentication, receiving device user input physiological characteristic (fingerprint), generate corresponding key, then with
Initial key is compared, if identical, unlocks to electronic equipment, user is allowed to use.
Crypto engine generate encryption key, can also be used to in electronic equipment file or data encrypt.
The documentation of encryption has to pass through decryption and could be used, only when the user of correct identity inputs correct physiological characteristic
Signal (fingerprint, iris etc.) can just obtain correct password by crypto engine.
When user's pre-acquiring file or data, this encrypted file is decrypted using the corresponding key of user
When, it if it is illegal user, then can not be decrypted correctly, and then file can not be read, realize resource in electronic equipment
Protection.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. the intelligent identity identification system based on the unclonable technology of physics and physiological characteristic, characterized in that including PUF electronics electricity
Road and the electronic equipment for needing authentication, electronic equipment includes physiological characteristic acquisition module, crypto engine module, authentication
Module and cipher key storage block；PUF electronic circuit is assembled in crypto engine module, in which:
Physiological characteristic acquisition module, for acquiring the physiological characteristic of the owner or user；
Crypto engine module, for obtaining corresponding electric signal according to the physiological characteristic of acquisition, as excitation input PUF electronics electricity
Corresponding key is obtained in road；
Cipher key storage block, for storing key；
Authentication module, for carrying out authentication to user according to the key of user and the key of the owner；
When owner's cipher key initialization, physiological characteristic acquisition module acquire the owner physiological characteristic, crypto engine module according to
The physiological characteristic of the owner obtains the initial key that corresponding electric signal obtains the owner as excitation input PUF electronic circuit,
Incoming cipher key storage block stores the key of this owner；
When user uses this electronic equipment in advance, physiological characteristic acquisition module acquires the physiological characteristic of user, crypto engine
Module obtains corresponding electric signal as excitation input PUF electronic circuit according to the physiological characteristic of user and obtains the first of user
Beginning key, authentication module compare the key of the key of user and the owner, carry out authentication to user.
2. the intelligent identity identification system according to claim 1 based on the unclonable technology of physics and physiological characteristic,
It is characterized in, PUF electronic circuit includes the input stimulus unit being sequentially connected, PUF realizes unit and detects output unit, and input swashs
Encouraging unit is linear feedback shift register in sequential series, and PUF realizes that unit includes ring oscillator circuit and two-way counting
Device, ring oscillator circuit are the annular electro formed based on pairs of basic inverter stages module and electric current starvation inverter stages module
Road, ring oscillator connect bidirectional counter and realize exciter response, and detection output unit includes tri-state detector, is rung according to excitation
Serial No. should be exported.
3. the intelligent identity identification system according to claim 1 based on the unclonable technology of physics and physiological characteristic,
It is characterized in, physiological characteristic is fingerprint.
4. the intelligent identity identification method based on physics unclonable technology and physiological characteristic, characterized in that specifically include following
Step:
S1, PUF electronic circuit is obtained, PUF electronic circuit is assembled in the electronic equipment for needing authentication；
S2 when owner's cipher key initialization, acquires the physiological characteristic of the owner, is obtained according to the physiological characteristic of the owner corresponding
Electric signal obtains the initial key of the owner and stores the key of this owner as excitation input PUF electronic circuit；
S3 acquires the physiological characteristic of user when user uses this electronic equipment in advance, is obtained according to the physiological characteristic of user
It takes corresponding electric signal as excitation input PUF electronic circuit, the initial key of user is obtained, by the key of user and institute
The key for the person of having compares, and carries out authentication to user.
5. the intelligent identity identification method according to claim 4 based on physics unclonable technology and physiological characteristic,
It is characterized in, physiological characteristic is fingerprint.
6. the intelligent identity identification method according to claim 4 based on physics unclonable technology and physiological characteristic,
It is characterized in, is encrypted using the data in key pair electronic equipment, when user's pre-acquiring file or data, utilizes use
The corresponding key of person decrypts this encrypted data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811156699.5A CN109409062A (en) | 2018-09-30 | 2018-09-30 | Identity authorization system and method based on the unclonable technology of physics and physiological characteristic |
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| CN201811156699.5A CN109409062A (en) | 2018-09-30 | 2018-09-30 | Identity authorization system and method based on the unclonable technology of physics and physiological characteristic |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082925A (en) * | 2019-10-23 | 2020-04-28 | 中山大学 | Embedded system encryption protection device and method based on AES algorithm and PUF technology |
| CN111355588A (en) * | 2020-02-19 | 2020-06-30 | 武汉大学 | Wearable device double-factor authentication method and system based on PUF and fingerprint characteristics |
| CN111368700A (en) * | 2020-02-28 | 2020-07-03 | 天目爱视（北京）科技有限公司 | Intelligent device based on identity association |
| CN114039732A (en) * | 2021-11-08 | 2022-02-11 | 中国人民解放军国防科技大学 | Physical layer authentication method, system, equipment and computer readable storage medium |
| CN115150051A (en) * | 2021-03-15 | 2022-10-04 | 北欧半导体公司 | Encoding variables using physical unclonable functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114039732B (en) * | 2021-11-08 | 2024-01-19 | 中国人民解放军国防科技大学 | Physical layer authentication method, system, equipment and computer readable storage medium |
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