CN113327371B - Card swiping authentication method and system for charging pile - Google Patents
Card swiping authentication method and system for charging pile Download PDFInfo
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- CN113327371B CN113327371B CN202110556877.9A CN202110556877A CN113327371B CN 113327371 B CN113327371 B CN 113327371B CN 202110556877 A CN202110556877 A CN 202110556877A CN 113327371 B CN113327371 B CN 113327371B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
- G07F15/005—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity dispensed for the electrical charging of vehicles
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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
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/12—Card verification
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Abstract
The invention provides a card swiping authentication method and system for a charging pile in the technical field of charging piles, wherein the method comprises the following steps: step S10, acquiring a stub U ID and a card U ID, creating a key, a sequence number list and two I D information lists, randomly generating I D information, and respectively storing the card U ID and I D information into two I D information lists; step S20, creating an encryption rule, encrypting the information of the stub U ID, the card U ID and the card I D by using the encryption rule and the key to generate encrypted I D information, and storing the information to the card; s30, identifying the user card by the charging pile to obtain a user card U ID, and performing first authentication on the user card U ID based on a first I D information list; and S40, identifying the user card by the charging pile to obtain user encryption I D information, decrypting the user encryption I D information by using an encryption rule and a key, and performing second authentication by combining the user card U ID, the charging pile local pile U ID, a second I D information list and a sequence number list. The invention has the advantages that: very big promotion fill the security that electric pile punched the card.
Description
Technical Field
The invention relates to the technical field of charging piles, in particular to a card swiping authentication method and system for a charging pile.
Background
The electric vehicle (BEV) is a vehicle which takes a vehicle-mounted power supply as power and drives wheels by a motor to run, meets various requirements of road traffic and safety regulations, and has a wide prospect due to smaller influence on the environment compared with the traditional vehicle. Along with the development of electric automobile, electric automobile's the demand of charging increases day by day, and the construction quantity of filling electric pile presents the explosive growth.
At present, three payment modes of coin-feed, card swiping and code scanning exist in a charging pile. The code scanning is realized by using a charging pile through a mobile phone client, is deeply pursued by young people, but has low acceptance degree in middle-aged and old people; the coin-freed needs to carry cash, and with the development of mobile payment, people are gradually used to carry no cash, and the payment mode is gradually marginalized; the card swiping is to update the balance by reading and writing data in the card (radio frequency card and IC card) through the card reader, and is convenient to carry, does not need to carry out complex operation on a mobile phone, and is widely accepted by middle and old aged groups.
Therefore, how to provide a method and a system for authenticating a card swiping of a charging pile to improve the card swiping safety of the charging pile becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of providing a card swiping authentication method and system for a charging pile, and improving the card swiping safety of the charging pile.
In a first aspect, the invention provides a card swiping authentication method for a charging pile, which comprises the following steps:
step S10, acquiring pile UIDs of charging piles and card UIDs of cards, creating a secret key, a serial number list, a first ID information list and a second ID information list, randomly generating a plurality of ID information, storing the card UIDs into the first ID information list, and storing the ID information into the second ID information list;
step S20, creating an encryption rule, encrypting the stub UID, the card UID and the ID information by using the encryption rule and the secret key to generate encrypted ID information, storing the encrypted ID information into the card, and updating and maintaining the serial number list;
step S30, the charging pile identifies the user card by the card reader to obtain the user card UID, and first authentication is carried out on the user card UID based on the first ID information list;
and step S40, the charging pile identifies the user card by using the card reader to obtain user encrypted ID information, decrypts the user encrypted ID information by using the encryption rule and the secret key, and performs second authentication by combining the user card UID, the charging pile local UID, a second ID information list and a serial number list.
Further, the step S10 is specifically:
acquiring the stake UID of each charging pile and the card UID of each card, and creating a secret key, a serial number list, a first ID information list for storing the card UID and a second ID information list for storing the ID information;
the serial number list is used for storing one-to-one correspondence of the stub UID, the card UID and the serial number; the ID information is generated randomly, and the number of the ID information is consistent with that of the UIDs.
Further, in step S20, the encryption rule is specifically:
encrypting the type + UID + ID information + serial number by using the key to obtain encrypted information, calculating the length len of the encrypted information, and obtaining encrypted ID information based on the len + encrypted information;
the value of the type is 00 or 01; when the value of the type is 00, the UID is 'card UID', and when the value of the type is 01, the UID is 'stub UID + card UID'; the value of the serial number is a positive integer, and the serial number is increased by taking 1 as a step length.
Further, the step S30 is specifically:
the charging pile identifies the user card by using the card reader to obtain a user card UID, judges whether the user card UID exists in a first ID information list, if so, passes the first authentication, and enters step S40; if not, the first authentication fails, and the process is ended.
Further, the step S40 specifically includes:
step S41, the charging pile identifies a user card by using a card reader to obtain user encryption ID information, and reads out encryption information based on a len field carried by the user encryption ID information;
step S42, the charging pile decrypts the encrypted information by using the key to obtain the type, UID, ID information and serial number;
step S43, judging the value of the type by the charging pile, and if the value is 00, entering the step S44; if the value is 01, the step S45 is entered;
step S44, comparing whether the UID carried by the UID field is consistent with the UID of the user card obtained by direct identification, if so, entering step S46; if not, ending the flow;
step S45, comparing whether the UID carried by the UID field is consistent with the user card UID obtained by direct identification, and whether the stake UID carried by the UID field is consistent with the stake UID local to the charging pile, if so, entering step S46; if not, ending the flow;
step S46, judging whether the ID information exists in a second ID information list, if so, entering step S47; if not, ending the flow;
step S47, searching a corresponding serial number in a serial number list based on the user card UID and the stub UID, judging whether the serial number carried by the user card is greater than or equal to the corresponding serial number in the serial number list, if so, passing the second authentication, and updating the corresponding serial number in the serial number list; if not, the second authentication fails, and the process is ended.
In a second aspect, the invention provides a card swiping authentication system of a charging pile, which comprises the following modules:
the initialization module is used for acquiring the pile UID of each charging pile and the card UID of each card, creating a secret key, a serial number list, a first ID information list and a second ID information list, randomly generating a plurality of ID information, storing each card UID into the first ID information list, and storing each ID information into the second ID information list;
the encryption module is used for creating an encryption rule, encrypting the stake UID, the card UID and the ID information by using the encryption rule and a secret key to generate encrypted ID information, storing the encrypted ID information into the card, and updating and maintaining the serial number list;
the first authentication module is used for identifying a user card by the charging pile through a card reader to obtain a user card UID and carrying out first authentication on the user card UID based on the first ID information list;
and the second authentication module is used for identifying the user card by the charging pile through the card reader to obtain user encrypted ID information, decrypting the user encrypted ID information through the encryption rule and the secret key, and performing second authentication by combining the user card UID, the charging pile local pile UID, the second ID information list and the serial number list.
Further, the initialization module specifically includes:
acquiring the stake UID of each charging pile and the card UID of each card, and creating a secret key, a serial number list, a first ID information list for storing the card UID and a second ID information list for storing the ID information;
the serial number list is used for storing one-to-one correspondence of the stub UID, the card UID and the serial number; the ID information is generated randomly, and the number of the ID information is consistent with that of the UIDs.
Further, in the encryption module, the encryption rule specifically includes:
encrypting the type + UID + ID information + serial number by using the key to obtain encrypted information, calculating the length len of the encrypted information, and obtaining encrypted ID information based on the len + encrypted information;
the value of the type is 00 or 01; when the value of the type is 00, the UID is 'card UID', and when the value of the type is 01, the UID is 'stub UID + card UID'; the value of the serial number is a positive integer, and the serial number is increased by taking 1 as a step length.
Further, the first authentication module specifically includes:
the charging pile identifies the user card by using the card reader to obtain a user card UID, judges whether the user card UID exists in a first ID information list, if so, passes the first authentication and enters a second authentication module; if not, the first authentication fails, and the process is ended.
Further, the second authentication module specifically includes:
the charging pile is used for identifying a user card by using a card reader to obtain user encryption ID information, and reading out encryption information based on a len field carried by the user encryption ID information;
the charging pile comprises an encrypted information analyzing unit, a charging pile identification unit and a charging pile identification unit, wherein the encrypted information analyzing unit is used for decrypting the encrypted information by using a secret key to obtain type, UID, ID information and serial numbers;
the type judging unit is used for judging the value of the type by the charging pile, and if the value is 00, the charging pile enters the card UID comparing unit; if the value is 01, entering a card UID and pile UID comparison unit;
the card UID comparison unit is used for comparing whether the card UID carried by the UID field is consistent with the user card UID obtained by direct identification, and if so, entering the ID information comparison unit; if not, ending the flow;
the card UID and pile UID comparison unit is used for comparing whether the card UID carried by the UID field is consistent with the user card UID obtained by direct identification, and whether the pile UID carried by the UID field is consistent with the pile UID local to the charging pile, and if so, entering the ID information comparison unit; if not, ending the flow;
the ID information comparison unit is used for judging whether the ID information exists in a second ID information list or not, and if so, the ID information enters the serial number comparison unit; if not, ending the flow;
the serial number comparison unit is used for searching a corresponding serial number in a serial number list based on the user card UID and the stub UID, judging whether the serial number carried by the user card is greater than or equal to the corresponding serial number in the serial number list, if so, passing the second authentication, and updating the corresponding serial number in the serial number list; if not, the second authentication fails, and the process is ended.
The invention has the advantages that:
1. encrypting the pile UID, the card UID and the ID information through a randomly generated secret key and a preset encryption rule to generate encrypted ID information, fusing a serial number in the encrypted ID information, and storing a first ID information list comprising all the card UIDs; when a user holds a user card for authentication, whether a user card UID of the user card exists in a first ID information list or not is read, then user encrypted ID information of the user card is read, encrypted information with a specific length is read based on a len field, the encrypted information is decrypted by using a key, the card UID is verified based on a value of a type or the card UID and a stake UID, and then the ID information and a serial number are sequentially verified, namely quintuple security authentication is adopted, wherein authentication failure is caused by any link with a problem, for example, the length of the encrypted information is inconsistent with the length of a len identifier, and the subsequent authentication failure is directly caused by incomplete reading of the encrypted information; value based on type needs to verify card UID and stake UID simultaneously, and only card UID that can solve the secret actually will lead to authentication failure etc. and finally very big promotion fills the security of electric pile card swiping.
2. The serial number carried by the user card is larger than or equal to the corresponding serial number in the serial number list, the corresponding serial number in the serial number list is updated synchronously when the serial number carried by the user card is larger than the corresponding serial number in the serial number list, namely, a new user card is regenerated based on the stake UID and the card UID aiming at the condition that the user card is lost, the serial number of the new user card is accumulated upwards based on the latest serial number list, and when the serial number carried by the user card is smaller than the corresponding serial number in the serial number list, the old card which is lost by the user card cannot be used, so that the safety of card swiping of the charging pile is further improved.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a flowchart of a card swiping authentication method of a charging pile according to the invention.
Fig. 2 is a schematic structural diagram of a card swiping authentication system of a charging pile according to the present invention.
Detailed Description
The technical scheme in the embodiment of the application has the following general idea: encrypting the pile UID, the card UID and the ID information through a randomly generated secret key and a preset encryption rule to generate encrypted ID information, fusing a serial number in the encrypted ID information, and storing a first ID information list comprising all the card UIDs; when a user holds a user card for authentication, whether the user card UID of the user card exists in a first ID information list or not is read firstly, then the user encrypted ID information of the user card is read, the encrypted information with a specific length is read based on a len field, the encrypted information is decrypted by using a secret key, the card UID is verified based on the value of type or the card UID and the pile UID, and then the ID information and the serial number are verified in sequence, namely five-time safety authentication is adopted to improve the safety of card swiping of the charging pile.
Referring to fig. 1 to 2, a preferred embodiment of a card swiping authentication method for a charging pile according to the present invention includes the following steps:
step S10, acquiring a PILE UID (PILE _ UID) of each charging PILE and a CARD UID (CARD _ UID) of a CARD, creating a secret key, a serial number list, a first ID information list and a second ID information list, randomly generating a plurality of ID information, storing each CARD UID into the first ID information list, and storing each ID information into the second ID information list; the secret key is generated randomly;
step S20, creating an encryption rule, encrypting the stub UID, the card UID and the ID information by using the encryption rule and the secret key to generate encrypted ID information, storing the encrypted ID information into the card, and updating and maintaining the serial number list; in specific implementation, a plurality of pieces of encrypted ID information can be stored in a card so as to realize a one-card multi-pile card swiping mode;
step S30, the charging pile identifies the user card by the card reader to obtain the user card UID, and first authentication is carried out on the user card UID based on the first ID information list;
and step S40, the charging pile identifies the user card by using the card reader to obtain user encrypted ID information, decrypts the user encrypted ID information by using the encryption rule and the secret key, and performs second authentication by combining the user card UID, the charging pile local UID, a second ID information list and a serial number list.
The step S10 specifically includes:
acquiring the stake UID of each charging pile and the card UID of each card, and creating a secret key, a serial number list, a first ID information list for storing the card UID and a second ID information list for storing the ID information;
the serial number list is used for storing the one-to-one corresponding relation of the pile UID, the card UID and the serial numbers, and the values of the serial numbers in the serial number list are default to be null; the ID information is generated randomly, and the number of the ID information is consistent with that of the UIDs.
In step S20, the encryption rule is specifically:
encrypting the type + UID + ID information + serial number by using the key to obtain encrypted information, calculating the length len of the encrypted information, and obtaining encrypted ID information based on the len + encrypted information;
the value of the type is 00 or 01; when the value of the type is 00, the UID is 'card UID', and when the value of the type is 01, the UID is 'stub UID + card UID'; and the value of the sequence number is a positive integer, is increased by taking 1 as a step length, and is synchronously updated into the sequence number list.
The step S30 specifically includes:
the charging pile identifies the user card by using the card reader to obtain a user card UID, judges whether the user card UID exists in a first ID information list, if so, passes the first authentication, and enters step S40; if not, the first authentication fails, and the process is ended.
The step S40 specifically includes:
step S41, the charging pile identifies a user card by using a card reader to obtain user encryption ID information, and reads out encryption information based on a len field carried by the user encryption ID information; that is, data with the length identified by len is read out after the len field, and when the length of the encrypted information is inconsistent with the length identified by len, the encrypted information is incompletely read, so that authentication fails;
step S42, the charging pile decrypts the encrypted information by using the key to obtain the type, UID, ID information and serial number;
step S43, judging the value of the type by the charging pile, and if the value is 00, entering the step S44; if the value is 01, the step S45 is entered;
step S44, comparing whether the UID carried by the UID field is consistent with the UID of the user card obtained by direct identification, if so, entering step S46; if not, ending the flow;
step S45, comparing whether the UID carried by the UID field is consistent with the user card UID obtained by direct identification, and whether the stake UID carried by the UID field is consistent with the stake UID local to the charging pile, if so, entering step S46; if not, ending the flow;
when the value of the type is 00, the UID carries the card UID and the stub UID, so that authentication failure is caused; when the value of the type is 01, the UID only carries the UID of the card, which leads to authentication failure;
step S46, judging whether the ID information exists in the second ID information list, if yes, entering step S47; if not, ending the flow; because the ID information is randomly produced, the safety is greatly improved by verifying the ID information;
step S47, searching a corresponding serial number in a serial number list based on the user card UID and the stub UID, judging whether the serial number carried by the user card is greater than or equal to the corresponding serial number in the serial number list, if so, passing the second authentication, and updating the corresponding serial number in the serial number list; if not, the second authentication fails, and the process is ended. Namely, after the user loses the original card and newly manages the card, the original card is directly abandoned based on the serial number, so that the safety is improved.
The invention discloses a preferred embodiment of a card swiping authentication system of a charging pile, which comprises the following modules:
the initialization module is used for acquiring a PILE UID (PILE _ UID) of each charging PILE and a CARD UID (CARD _ UID) of each CARD, creating a secret key, a serial number list, a first ID information list and a second ID information list, randomly generating a plurality of ID information, storing each CARD UID into the first ID information list, and storing each ID information into the second ID information list; the secret key is generated randomly;
the encryption module is used for creating an encryption rule, encrypting the pile UID, the card UID and the ID information by using the encryption rule and a secret key to generate encrypted ID information, storing the encrypted ID information into the card, and updating and maintaining the serial number list; in specific implementation, a plurality of pieces of encrypted ID information can be stored in a card so as to realize a one-card multi-pile card swiping mode;
the first authentication module is used for identifying a user card by the charging pile through a card reader to obtain a user card UID and carrying out first authentication on the user card UID based on the first ID information list;
and the second authentication module is used for identifying the user card by the charging pile through the card reader to obtain user encrypted ID information, decrypting the user encrypted ID information through the encryption rule and the secret key, and performing second authentication by combining the user card UID, the charging pile local pile UID, the second ID information list and the serial number list.
The initialization module specifically comprises:
acquiring the stake UID of each charging pile and the card UID of each card, and creating a secret key, a serial number list, a first ID information list for storing the card UID and a second ID information list for storing the ID information;
the serial number list is used for storing the one-to-one corresponding relation of the pile UID, the card UID and the serial numbers, and the values of the serial numbers in the serial number list are default to be null; the ID information is generated randomly, and the number of the ID information is consistent with that of the UIDs.
In the encryption module, the encryption rule is specifically as follows:
encrypting the type + UID + ID information + serial number by using the key to obtain encrypted information, calculating the length len of the encrypted information, and obtaining encrypted ID information based on the len + encrypted information;
the value of the type is 00 or 01; when the value of the type is 00, the UID is 'card UID', and when the value of the type is 01, the UID is 'stub UID + card UID'; and the value of the sequence number is a positive integer, is increased by taking 1 as a step length, and is synchronously updated into the sequence number list.
The first authentication module specifically comprises:
the charging pile identifies the user card by using the card reader to obtain a user card UID, judges whether the user card UID exists in a first ID information list, if so, passes the first authentication and enters a second authentication module; if not, the first authentication fails, and the process is ended.
The second authentication module specifically includes:
the charging pile is used for identifying a user card by using a card reader to obtain user encryption ID information, and reading out encryption information based on a len field carried by the user encryption ID information; that is, data with the length identified by len is read out after the len field, and when the length of the encrypted information is inconsistent with the length identified by len, the encrypted information is incompletely read, so that authentication fails;
the charging pile comprises an encrypted information analyzing unit, a charging pile identification unit and a charging pile identification unit, wherein the encrypted information analyzing unit is used for decrypting the encrypted information by using a secret key to obtain type, UID, ID information and serial numbers;
the type judging unit is used for judging the value of the type by the charging pile, and if the value is 00, the charging pile enters the card UID comparing unit; if the value is 01, entering a card UID and pile UID comparison unit;
the card UID comparison unit is used for comparing whether the card UID carried by the UID field is consistent with the user card UID obtained by direct identification, and if so, entering the ID information comparison unit; if not, ending the flow;
the card UID and pile UID comparison unit is used for comparing whether the card UID carried by the UID field is consistent with the user card UID obtained by direct identification, and whether the pile UID carried by the UID field is consistent with the pile UID local to the charging pile, and if so, entering the ID information comparison unit; if not, ending the flow;
when the value of the type is 00, the UID carries the card UID and the stub UID, so that authentication failure is caused; when the value of the type is 01, the UID only carries the UID of the card, which leads to authentication failure;
the ID information comparison unit is used for judging whether the ID information exists in a second ID information list or not, and if so, the ID information enters the serial number comparison unit; if not, ending the flow; because the ID information is randomly produced, the safety is greatly improved by verifying the ID information;
the serial number comparison unit is used for searching a corresponding serial number in a serial number list based on the user card UID and the stub UID, judging whether the serial number carried by the user card is greater than or equal to the corresponding serial number in the serial number list, if so, passing the second authentication, and updating the corresponding serial number in the serial number list; if not, the second authentication fails, and the process is ended. Namely, after the user loses the original card and newly manages the card, the original card is directly abandoned based on the serial number, so that the safety is improved.
In summary, the invention has the advantages that:
1. encrypting the pile UID, the card UID and the ID information through a randomly generated secret key and a preset encryption rule to generate encrypted ID information, fusing a serial number in the encrypted ID information, and storing a first ID information list comprising all the card UIDs; when a user holds a user card for authentication, whether a user card UID of the user card exists in a first ID information list or not is read, then user encrypted ID information of the user card is read, encrypted information with a specific length is read based on a len field, the encrypted information is decrypted by using a key, the card UID is verified based on a value of a type or the card UID and a stake UID, and then the ID information and a serial number are sequentially verified, namely quintuple security authentication is adopted, wherein authentication failure is caused by any link with a problem, for example, the length of the encrypted information is inconsistent with the length of a len identifier, and the subsequent authentication failure is directly caused by incomplete reading of the encrypted information; value based on type needs to verify card UID and stake UID simultaneously, and only card UID that can solve the secret actually will lead to authentication failure etc. and finally very big promotion fills the security of electric pile card swiping.
2. The serial number carried by the user card is larger than or equal to the corresponding serial number in the serial number list, the corresponding serial number in the serial number list is updated synchronously when the serial number carried by the user card is larger than the corresponding serial number in the serial number list, namely, a new user card is regenerated based on the stake UID and the card UID aiming at the condition that the user card is lost, the serial number of the new user card is accumulated upwards based on the latest serial number list, and when the serial number carried by the user card is smaller than the corresponding serial number in the serial number list, the old card which is lost by the user card cannot be used, so that the safety of card swiping of the charging pile is further improved.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (8)
1. A card swiping authentication method of a charging pile is characterized by comprising the following steps: the method comprises the following steps:
step S10, acquiring pile UIDs of charging piles and card UIDs of cards, creating a secret key, a serial number list, a first ID information list and a second ID information list, randomly generating a plurality of ID information, storing the card UIDs into the first ID information list, and storing the ID information into the second ID information list;
step S20, creating an encryption rule, encrypting the stub UID, the card UID and the ID information by using the encryption rule and the secret key to generate encrypted ID information, storing the encrypted ID information into the card, and updating and maintaining the serial number list;
the encryption rule is specifically as follows:
encrypting the 'type + UID + ID information + serial number' by using the key to obtain encrypted information, calculating the length len of the encrypted information, and obtaining encrypted ID information based on the len + encrypted information;
the value of the type is 00 or 01; when the value of the type is 00, the UID is 'card UID', and when the value of the type is 01, the UID is 'stub UID + card UID'; the value of the serial number is a positive integer, and is increased by taking 1 as a step length;
step S30, the charging pile identifies the user card by the card reader to obtain the user card UID, and first authentication is carried out on the user card UID based on the first ID information list;
and step S40, the charging pile identifies the user card by using the card reader to obtain user encrypted ID information, decrypts the user encrypted ID information by using the encryption rule and the secret key, and performs second authentication by combining the user card UID, the charging pile local UID, a second ID information list and a serial number list.
2. The card-swiping authentication method for the charging pile according to claim 1, wherein the card-swiping authentication method comprises the following steps: the step S10 specifically includes:
acquiring the stake UID of each charging pile and the card UID of each card, and creating a secret key, a serial number list, a first ID information list for storing the card UID and a second ID information list for storing the ID information;
the serial number list is used for storing one-to-one correspondence of the stub UID, the card UID and the serial number; the ID information is generated randomly, and the number of the ID information is consistent with that of the UIDs.
3. The card-swiping authentication method for the charging pile according to claim 1, wherein the card-swiping authentication method comprises the following steps: the step S30 specifically includes:
the charging pile identifies the user card by using the card reader to obtain a user card UID, judges whether the user card UID exists in a first ID information list, if so, passes the first authentication, and enters step S40; if not, the first authentication fails, and the process is ended.
4. The card-swiping authentication method for the charging pile according to claim 1, wherein the card-swiping authentication method comprises the following steps: the step S40 specifically includes:
step S41, the charging pile identifies a user card by using a card reader to obtain user encryption ID information, and reads out encryption information based on a len field carried by the user encryption ID information;
step S42, the charging pile decrypts the encrypted information by using the key to obtain the type, UID, ID information and serial number;
step S43, judging the value of the type by the charging pile, and if the value is 00, entering the step S44; if the value is 01, the step S45 is entered;
step S44, comparing whether the UID carried by the UID field is consistent with the UID of the user card obtained by direct identification, if so, entering step S46; if not, ending the flow;
step S45, comparing whether the UID carried by the UID field is consistent with the user card UID obtained by direct identification, and whether the stake UID carried by the UID field is consistent with the stake UID local to the charging pile, if so, entering step S46; if not, ending the flow;
step S46, judging whether the ID information exists in a second ID information list, if so, entering step S47; if not, ending the flow;
step S47, searching a corresponding serial number in a serial number list based on the user card UID and the stub UID, judging whether the serial number carried by the user card is greater than or equal to the corresponding serial number in the serial number list, if so, passing the second authentication, and updating the corresponding serial number in the serial number list; if not, the second authentication fails, and the process is ended.
5. The utility model provides a fill electric pile's authentication system of punching card which characterized in that: the system comprises the following modules:
the initialization module is used for acquiring the pile UID of each charging pile and the card UID of each card, creating a secret key, a serial number list, a first ID information list and a second ID information list, randomly generating a plurality of ID information, storing each card UID into the first ID information list, and storing each ID information into the second ID information list;
the encryption module is used for creating an encryption rule, encrypting the pile UID, the card UID and the ID information by using the encryption rule and a secret key to generate encrypted ID information, storing the encrypted ID information into the card, and updating and maintaining the serial number list;
the encryption rule is specifically as follows:
encrypting the type + UID + ID information + serial number by using the key to obtain encrypted information, calculating the length len of the encrypted information, and obtaining encrypted ID information based on the len + encrypted information;
the value of the type is 00 or 01; when the value of the type is 00, the UID is 'card UID', and when the value of the type is 01, the UID is 'stub UID + card UID'; the value of the serial number is a positive integer, and is increased by taking 1 as a step length;
the first authentication module is used for identifying a user card by the charging pile through a card reader to obtain a user card UID and carrying out first authentication on the user card UID based on the first ID information list;
and the second authentication module is used for identifying the user card by the charging pile through the card reader to obtain user encrypted ID information, decrypting the user encrypted ID information through the encryption rule and the secret key, and performing second authentication by combining the user card UID, the charging pile local pile UID, the second ID information list and the serial number list.
6. The system of claim 5, wherein the system comprises: the initialization module specifically comprises:
acquiring the stake UID of each charging pile and the card UID of each card, and creating a secret key, a serial number list, a first ID information list for storing the card UID and a second ID information list for storing the ID information;
the serial number list is used for storing one-to-one correspondence of the stub UID, the card UID and the serial number; the ID information is generated randomly, and the number of the ID information is consistent with that of the UIDs.
7. The system of claim 5, wherein the system comprises: the first authentication module specifically comprises:
the charging pile identifies the user card by using the card reader to obtain a user card UID, judges whether the user card UID exists in a first ID information list, if so, passes the first authentication and enters a second authentication module; if not, the first authentication fails, and the process is ended.
8. The system of claim 7, wherein the system further comprises: the second authentication module specifically includes:
the charging pile is used for identifying a user card by using a card reader to obtain user encryption ID information, and reading out encryption information based on a len field carried by the user encryption ID information;
the charging pile comprises an encrypted information analyzing unit, a charging pile identification unit and a charging pile identification unit, wherein the encrypted information analyzing unit is used for decrypting the encrypted information by using a secret key to obtain type, UID, ID information and serial numbers;
the type judging unit is used for judging the value of the type by the charging pile, and if the value is 00, the charging pile enters the card UID comparing unit; if the value is 01, entering a card UID and pile UID comparison unit;
the card UID comparison unit is used for comparing whether the card UID carried by the UID field is consistent with the user card UID obtained by direct identification, and if so, entering the ID information comparison unit; if not, ending the flow;
the card UID and pile UID comparison unit is used for comparing whether the card UID carried by the UID field is consistent with the user card UID obtained by direct identification, and whether the pile UID carried by the UID field is consistent with the pile UID local to the charging pile, and if so, entering the ID information comparison unit; if not, ending the flow;
the ID information comparison unit is used for judging whether the ID information exists in a second ID information list or not, and if so, the ID information enters the serial number comparison unit; if not, ending the flow;
the serial number comparison unit is used for searching a corresponding serial number in a serial number list based on the user card UID and the stub UID, judging whether the serial number carried by the user card is greater than or equal to the corresponding serial number in the serial number list, if so, passing the second authentication, and updating the corresponding serial number in the serial number list; if not, the second authentication fails, and the process is ended.
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| CN103138932A (en) * | 2011-12-05 | 2013-06-05 | 中兴通讯股份有限公司 | Allocation method of mifare card sector secret key and allocation system of mifare card sector secret key |
| CN104219626A (en) * | 2014-08-25 | 2014-12-17 | 北京乐富科技有限责任公司 | Identity authentication method and device |
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| JP2005122402A (en) * | 2003-10-15 | 2005-05-12 | Systemneeds Inc | Ic card system |
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| CN103138932A (en) * | 2011-12-05 | 2013-06-05 | 中兴通讯股份有限公司 | Allocation method of mifare card sector secret key and allocation system of mifare card sector secret key |
| CN104219626A (en) * | 2014-08-25 | 2014-12-17 | 北京乐富科技有限责任公司 | Identity authentication method and device |
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