CN103955982A - Method and device for identifying time-varying dynamic two-dimensional code entrance guard - Google Patents
Method and device for identifying time-varying dynamic two-dimensional code entrance guard Download PDFInfo
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- CN103955982A CN103955982A CN201410219488.7A CN201410219488A CN103955982A CN 103955982 A CN103955982 A CN 103955982A CN 201410219488 A CN201410219488 A CN 201410219488A CN 103955982 A CN103955982 A CN 103955982A
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Abstract
The invention discloses a method and a device for identifying a time-varying dynamic two-dimensional code entrance guard, which belong to the technical field of identifying two-dimensional code entrance guards, and aim at solving the problem of the existence of potential safety hazards in the presently-used method for identifying a static two-dimensional code entrance guard. The method comprises the following steps that the prestored personal identification information and the current time information are encrypted by a smart phone by virtue of a public key, and then the encrypted result is displayed in a two-dimensional code manner; a two-dimensional code identification device reads the displayed two-dimensional code, decrypts the read encryption information by virtue of a private key, the personal identification information and the current time information are separated, the separated information is compared with the information stored in a database and the current time respectively, and if the two parts of information is matched, then an entrance guard controller is controlled to carry out door-opening operation; and the public key and the private key are generated by the two-dimensional code identification device by an asymmetrical secret key algorithm. The method and the device are used for entrance guard identification.
Description
Technical field
The invention belongs to Quick Response Code gate inhibition recognition technology field.
Background technology
Current gate identification system mainly contains bio-identification (fingerprint, palmmprint, retina etc.), rfid card and several modes of input password.These several modes are relatively static, are easy to be stolen and copy.The rubber finger print, the rfid card copying that for example copy, snatch password etc.Universal along with smart mobile phone, Quick Response Code also becomes a kind of new recognition method gradually, but static Quick Response Code is also easy to copy by the mode such as take pictures.These have all formed certain hidden danger to the security of gate control system.
Summary of the invention
The object of the invention is the problem that gate inhibition's recognition methods in order to solve the static Quick Response Code of current employing exists potential safety hazard, the invention provides a kind of time dependent Dynamic Two-dimensional code gate inhibition's recognition methods and device.
The time dependent Dynamic Two-dimensional code of one of the present invention gate inhibition recognition methods,
Described method is to realize based on smart mobile phone and two-dimension code recognition device, and smart mobile phone is embedded in ciphering two-dimension code generation module, and the course of work of described ciphering two-dimension code generation module comprises the steps:
For inputting personally identifiable information's step;
Be used for the personally identifiable information's who stores input step;
For obtaining the step of current time information;
For receiving the step of PKI;
For the step of utilizing PKI to be encrypted personally identifiable information and current time information;
Be used for the Information generation Quick Response Code of encrypting, and the step showing;
Two-dimension code recognition device is embedded in Quick Response Code identification module, and the course of work of described Quick Response Code identification module comprises the steps: that described a pair of secret key comprises PKI and private key for utilizing asymmetric key algorithm to generate the step of a pair of secret key;
The step of continual outside transmission PKI;
For reading the step of 2 D code information;
For the 2 D code information reading being decrypted according to the private key obtaining, and isolate personally identifiable information and current time information, also match and send the step of the signal opening the door to access controller for the personal information of storing with database respectively when isolated personally identifiable information and current time information and current time.
A kind of time dependent Dynamic Two-dimensional code entrance guard recognition device,
Described device is to realize based on smart mobile phone and two-dimension code recognition device, and smart mobile phone is embedded in ciphering two-dimension code generation module, and described ciphering two-dimension code generation module comprises:
For inputting personally identifiable information's unit;
Be used for the personally identifiable information's who stores input unit;
For obtaining the unit of current time information;
For the unit that utilizes PKI to adopt asymmetric key algorithm to be encrypted personally identifiable information and current time information;
Be used for the Information generation Quick Response Code of encrypting, and the unit showing;
Two-dimension code recognition device is embedded in Quick Response Code identification module, and described Quick Response Code identification module comprises:
For utilizing asymmetric key algorithm to generate the unit of pair of secret keys, described pair of secret keys comprises PKI and private key;
For the unit of continual outside transmission PKI;
Quick Response Code reading unit, for reading 2 D code information;
Authentication service unit, for the 2 D code information reading being decrypted according to the private key obtaining, and isolate personally identifiable information and current time information, also match and send to access controller the signal opening the door for the personal information of storing with database respectively when isolated personally identifiable information and current time information and current time.
Beneficial effect of the present invention is, owing to having used asymmetric key algorithm, private key only rests on two-dimension code recognition device, and all users can only be encrypted operation, and can not be decrypted operation.Owing to having comprised current time information in authentication information, different time generate Quick Response Code not identical, copy even if 2 D code information is stolen, after the short time lost efficacy and cannot reuse.In this way, can effectively prevent that gate inhibition's authentication information is stolen or copies, improve the security of gate control system.
Brief description of the drawings
Fig. 1 is the principle schematic of a kind of time dependent Dynamic Two-dimensional code entrance guard recognition device described in embodiment four.
Embodiment
Embodiment one: the time dependent Dynamic Two-dimensional code of the one gate inhibition recognition methods described in present embodiment, described method is to realize based on smart mobile phone and two-dimension code recognition device, smart mobile phone is embedded in ciphering two-dimension code generation module, and the course of work of described ciphering two-dimension code generation module comprises the steps:
For inputting personally identifiable information's step;
Be used for the personally identifiable information's who stores input step;
For obtaining the step of current time information;
For receiving the step of PKI;
For the step of utilizing PKI to be encrypted personally identifiable information and current time information;
Be used for the Information generation Quick Response Code of encrypting, and the step showing;
Two-dimension code recognition device is embedded in Quick Response Code identification module, and the course of work of described Quick Response Code identification module comprises the steps:
For utilizing asymmetric key algorithm to generate the step of pair of secret keys, described pair of secret keys comprises PKI and private key;
The step of continual outside transmission PKI;
For reading the step of 2 D code information;
For the 2 D code information reading being decrypted according to the private key obtaining, and isolate personally identifiable information and current time information, also match and send the step of the signal opening the door to access controller for the personal information of storing with database respectively when isolated personally identifiable information and current time information and current time.
Present embodiment, by asymmetric key algorithm, is encrypted the numerical value after personally identifiable information and current time merging, the information after encrypting is formed to Quick Response Code and be presented on screen, for the identification of gate control system.Can guarantee so each Quick Response Code dynamic change forming, after 1 minute, cease to be in force automatically.Thereby effectively prevent that identifying information is stolen and copies, and can improve gate control system security.
Embodiment two: present embodiment is the further restriction to a kind of time dependent Dynamic Two-dimensional code gate inhibition recognition methods described in embodiment one, and described personally identifiable information is finger print information, palmmprint information, retinal information or face information.
Embodiment three: present embodiment is the further restriction to a kind of time dependent Dynamic Two-dimensional code gate inhibition recognition methods described in embodiment one, and described asymmetric key algorithm is any one in RSA Algorithm, ElGamal algorithm, knapsack algorithm, Rabin algorithm, elliptic curve encryption algorithm.
Embodiment four: present embodiment is described in conjunction with Fig. 1, the time dependent Dynamic Two-dimensional code of one entrance guard recognition device described in present embodiment, described device is to realize based on smart mobile phone and two-dimension code recognition device, smart mobile phone is embedded in ciphering two-dimension code generation module, and described ciphering two-dimension code generation module comprises:
For inputting personally identifiable information's unit;
Be used for the personally identifiable information's who stores input unit;
For obtaining the unit of current time information;
For receiving the unit of PKI;
For the unit that utilizes PKI to be encrypted personally identifiable information and current time information;
Be used for the Information generation Quick Response Code of encrypting, and the unit showing;
Two-dimension code recognition device is embedded in Quick Response Code identification module, and described Quick Response Code identification module comprises:
For utilizing asymmetric key algorithm to generate the unit of pair of secret keys, described pair of secret keys comprises PKI and private key;
For the unit of continual outside transmission PKI;
Quick Response Code reading unit, for reading 2 D code information;
Authentication service unit, for the 2 D code information reading being decrypted according to the private key obtaining, and isolate personally identifiable information and current time information, also match and send to access controller the signal opening the door for the personal information of storing with database respectively when isolated personally identifiable information and current time information and current time.
Present embodiment is to realize based on personally identifiable information, current time information, PKI, private key, smart mobile phone, Quick Response Code fetch equipment, certificate server, access controller and electric control door lock.While entering, user moves the specific program on smart mobile phone, utilizes PKI to be encrypted pre-stored personally identifiable information and current time information in the middle of smart mobile phone, then the result after encrypting is presented on smart mobile phone screen in Quick Response Code mode.Smart mobile phone screen is aimed to Quick Response Code fetch equipment, and the enciphered message of reading is returned to certificate server by Quick Response Code fetch equipment.Certificate server utilizes the private key of himself storing to be decrypted information, isolates personally identifiable information and current time information.Certificate server is compared isolated information respectively with canned data in database and current time, if two parts information is all mated, access control controller carries out opening door operation.If there is any one not mate, refusal carries out opening door operation.
Embodiment five: present embodiment is the further restriction to a kind of time dependent Dynamic Two-dimensional code entrance guard recognition device described in embodiment four, and described personally identifiable information is finger print information, palmmprint information, retinal information or face information.
Embodiment six: present embodiment is the further restriction to a kind of time dependent Dynamic Two-dimensional code entrance guard recognition device described in embodiment four, and described asymmetric key algorithm is any one in RSA Algorithm, ElGamal algorithm, knapsack algorithm, Rabin algorithm, elliptic curve encryption algorithm.
Smart mobile phone uses common Android system or IOS system on market all can.Asymmetric key algorithm can adopt common RSA, ElGamal, knapsack algorithm, Rabin, elliptic curve encryption algorithm etc. any one.Use asymmetric key algorithm to generate a pair of PKI and private key.PKI is distributed to each user's smart mobile phone.Private key is stored on certificate server.Quick Response Code fetch equipment, certificate server, access controller and electric control door lock are all matured product general on market, select reliable and stable product and are connected to together.
Claims (6)
1. a time dependent Dynamic Two-dimensional code gate inhibition recognition methods, is characterized in that being,
Described method is to realize based on smart mobile phone and two-dimension code recognition device, and smart mobile phone is embedded in ciphering two-dimension code generation module, and the course of work of described ciphering two-dimension code generation module comprises the steps:
For inputting personally identifiable information's step;
Be used for the personally identifiable information's who stores input step;
For obtaining the step of current time information;
For receiving the step of PKI;
For the step of utilizing PKI to be encrypted personally identifiable information and current time information;
Be used for the Information generation Quick Response Code of encrypting, and the step showing;
Two-dimension code recognition device is embedded in Quick Response Code identification module, and the course of work of described Quick Response Code identification module comprises the steps:
For utilizing asymmetric key algorithm to generate the step of pair of secret keys, described pair of secret keys comprises PKI and private key;
The step of continual outside transmission PKI;
For reading the step of 2 D code information;
For the 2 D code information reading being decrypted according to the private key obtaining, and isolate personally identifiable information and current time information, also match and send the step of the signal opening the door to access controller for the personal information of storing with database respectively when isolated personally identifiable information and current time information and current time.
2. the time dependent Dynamic Two-dimensional code of one according to claim 1 gate inhibition recognition methods, is characterized in that,
Described personally identifiable information is finger print information, palmmprint information, retinal information or face information.
3. the time dependent Dynamic Two-dimensional code of one according to claim 1 gate inhibition recognition methods, is characterized in that,
Described asymmetric key algorithm is any one in RSA Algorithm, ElGamal algorithm, knapsack algorithm, Rabin algorithm, elliptic curve encryption algorithm.
4. a time dependent Dynamic Two-dimensional code entrance guard recognition device, is characterized in that being,
Described device is to realize based on smart mobile phone and two-dimension code recognition device, and smart mobile phone is embedded in ciphering two-dimension code generation module, and described ciphering two-dimension code generation module comprises:
For inputting personally identifiable information's unit;
Be used for the personally identifiable information's who stores input unit;
For obtaining the unit of current time information;
For receiving the unit of PKI;
For the unit that utilizes PKI to be encrypted personally identifiable information and current time information;
Be used for the Information generation Quick Response Code of encrypting, and the unit showing;
Two-dimension code recognition device is embedded in Quick Response Code identification module, and described Quick Response Code identification module comprises:
For utilizing asymmetric key algorithm to generate the unit of pair of secret keys, described pair of secret keys comprises PKI and private key;
For the unit of continual outside transmission PKI;
Quick Response Code reading unit, for reading 2 D code information;
Authentication service unit, for the 2 D code information reading being decrypted according to the private key obtaining, and isolate personally identifiable information and current time information, also match and send to access controller the signal opening the door for the personal information of storing with database respectively when isolated personally identifiable information and current time information and current time.
5. the time dependent Dynamic Two-dimensional code of one according to claim 4 entrance guard recognition device, is characterized in that,
Described personally identifiable information is finger print information, palmmprint information, retinal information or face information.
6. the time dependent Dynamic Two-dimensional code of one according to claim 4 entrance guard recognition device, is characterized in that,
Described asymmetric key algorithm is any one in RSA Algorithm, ElGamal algorithm, knapsack algorithm, Rabin algorithm, elliptic curve encryption algorithm.
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