WO2011069460A1

WO2011069460A1 - Method and system for generating, recharging and querying rechargeable card

Info

Publication number: WO2011069460A1
Application number: PCT/CN2010/079622
Authority: WO
Inventors: 徐萌飞
Original assignee: 华为技术有限公司
Priority date: 2009-12-11
Filing date: 2010-12-09
Publication date: 2011-06-16
Also published as: CN102098401A

Abstract

A rechargeable card generation method and apparatus, recharging method and system, and query method and system thereof are provided by the present invention. The rechargeable card generation method includes that a sequence number of the rechargeable card is generated; the sequence number is encrypted to generate a sequence number ciphertext; the sequence number ciphertext is stored in the rechargeable card database and is corresponding to the rechargeable card data of the rechargeable card. In the embodiments of the present invention, by the encryption performed on the sequence number of the rechargeable card, the display means of the sequence number in the rechargeable card data list is changed, i.e. the primary plaintext is changed to a ciphertext. In this way, even though an unused rechargeable card is obtained, the corresponding rechargeable card data list cannot be located in the database according to the sequence number plaintext of the rechargeable card, thus neither the data list backup nor the rechargeable card reuse can be realized. Meanwhile, after the recharging is successful, the ciphertext of the recharged rechargeable card is destroyed by using a random number pollution method, thus the security of the rechargeable card system is improved.

Description

Recharge card generation, recharge, inquiry method and system This application claims to be submitted to the Chinese Patent Office on December 11, 2009, the application number is 200910254328.5, and the invention name is "recharge card generation, recharge, inquiry method and system" Chinese patent application Priority is hereby incorporated by reference in its entirety. Technical field

The present invention relates to the field of encryption technologies, and in particular, to a method for generating, recharging, and querying a recharge card. Background technique

A prepaid card is a PVC or paper card with a denomination that is used to recharge a specific gift card or a service, such as various game recharge cards and game cards. The telecom industry also widely uses recharge cards to recharge or pay for customers, such as mobile phone recharge cards. Each recharge card has a corresponding data stored in the database of the recharge center, so that the recharge center can retrieve the data to provide recharge service for the customer, and the recharge card is a valuable card certificate. Therefore, the data of the recharge card in the database is safe. Very important.

In the prior art, multiple encryption methods are often used to encrypt the recharge card data to ensure data security. The card-making center encrypts the recharge card password with an irreversible encryption algorithm, and then encrypts the ciphertext and the recharge card amount of the encrypted recharge card password. The second encryption uses an asymmetric encryption algorithm and uses a private key. encryption. The card-making center loads the encrypted data and the serial number of the recharge card to the recharge center. The recharge center forms the recharge card data table with the encrypted data together with the recharge card usage status and the sensitive field additional check information, and stores it in the recharge center. In the database. The recharge card serial number is used to provide the recharge card to the recharge center when the user queries the recharge card information, so that the recharge center finds the corresponding recharge card data table in the database according to the serial number (plain text), and the recharge card in the data table The usage status and validity period information are returned to the customer via the service control point.

The recharge card purchased by the user usually contains the serial number and recharge card password information. When the user recharges using the recharge card, the service access point receives the recharge card password input by the user and forwards it to the In the recharge center, the recharge center encrypts the password by using the same irreversible encryption algorithm as the card-making center, and decrypts the recharge card data according to the public key generated by the asymmetric encryption algorithm used by the card-making center, thereby finding a match in the database. After confirming the status and validity field of the recharge card, the recharge card data table returns the information such as the recharge amount of the recharge card to the user via the service access point, and after the user confirms the recharge, the recharge center updates the recharge card data table. The information, the service access point updates the user's account balance, and completes the recharge.

Although the important information such as the recharge card password and the amount are stored in the database in the form of cipher text through the above various encryption processes, and the inquiry and recharge are performed, the recharge center operates according to the ciphertext of the recharge card password, and the illegal user of the recharge card The plaintext of the recharge card password cannot be known, and the probability of leakage and misappropriation of the recharge card password is reduced. However, the inventor found in the process of implementing the invention that the vulnerabilities of the recharge card database are used, even if the plaintext of the recharge card password cannot be known. The recharge card can be stolen, that is, after obtaining an unused recharge card, the unused recharge card data table is found in the database according to the clear text of the recharge card serial number, and the data is backed up, and the card is used. After the recharge is completed, the original recharge card data table is updated to the database, and the recharge card can be used to recharge the recharge card. Summary of the invention

The embodiment of the invention provides a method and a device for generating a prepaid card, a charging method and system, a query method and a system, and can improve the security of the recharge card system.

In order to solve the above technical features, the technical solution provided by the embodiment of the present invention is as follows: A method for generating a recharge card, including:

Generate a serial number of the recharge card;

Encrypting the serial number to generate a sequence number ciphertext;

The serial number ciphertext is stored in the recharge card database and corresponds to the recharge card data of the recharge card.

A method for recharging using a recharge card, comprising:

Receiving the identification code of the recharge card; And searching for the corresponding recharge card data in the database according to the identification code of the recharge card, and returning the recharge card information, where the recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned recharge card information includes recharging Card face value and/or expiration date information of the recharge card;

Receiving refill confirmation information;

The amount of the recharge card is returned to enable the docking system to recharge the user account.

A method for querying recharge card information, including:

Receiving the serial number of the recharge card;

Encrypting the received recharge card serial number to generate a serial number ciphertext by using the same encryption method as the serial number ciphertext stored in the recharge card database;

Finding, according to the serial number ciphertext, whether there is a matching serial number ciphertext in the recharge card database;

If yes, the status information of the refill card corresponding to the matching sequence number ciphertext is obtained and returned. A recharge card generating device includes:

a serial number generating module, configured to generate a serial number of the recharge card;

An encryption module, configured to encrypt the serial number to generate a serial number ciphertext;

And a storage module, configured to store the serial number ciphertext in the recharge card database, and corresponding to the recharge card data of the recharge card.

A prepaid card system comprising:

a first receiving unit, configured to receive an identification code of the recharge card;

a query unit, configured to query, according to the identifier code of the recharge card, the corresponding recharge card data in the database and return the recharge card information, where the recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned The recharge card information includes recharge card face value and/or expiration date information of the recharge card;

a second receiving unit, configured to receive refill confirmation information;

The feedback unit is configured to return the amount of the recharge card to enable the docking system to recharge the user account. A recharge card information inquiry system, comprising:

a third receiving unit, configured to receive a serial number of the recharge card;

An encryption unit, configured to encrypt the received recharge card serial number by using the same encryption method as the serial number ciphertext stored in the recharge card database to generate a serial number ciphertext;

a searching unit, configured to search, in the recharge card database, whether there is a matching serial number ciphertext according to the serial number ciphertext;

And an obtaining unit, configured to obtain, after the search unit finds the matched sequence number ciphertext, the recharge card status information corresponding to the matching sequence number ciphertext.

In the prior art, the recharge card data table corresponding to the serial number can be easily located in the recharge card database by using the serial number of the recharge card, so that backup and reuse can be implemented. In the embodiment of the present invention, the recharge card is used. The serial number is encrypted, and the display mode of the serial number in the recharge card data table is changed, that is, the original plaintext is changed into ciphertext, so that even if an unused recharge card is obtained, the serial number of the recharge card (plain text) is obtained. It is also impossible to locate the corresponding recharge card data table in the database, so that the backup of the data table and the re-use of the recharge card cannot be realized, and the security of the recharge card system is improved. DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly described, and the drawings in the following description are only some embodiments of the present invention. It will be apparent to those skilled in the art that other drawings may be obtained from these drawings without the inventive labor.

1 is a flowchart of a method for generating a recharge card according to an embodiment of the present invention;

2 is a flow chart of an embodiment of a method for generating a recharge card;

3 is a flow chart of another embodiment of a method for generating a recharge card;

4 is a flow chart of a method for recharging using a recharge card according to an embodiment of the present invention; FIG. 5 is a timing chart of a method for recharging using a recharge card according to an embodiment of the present invention; FIG. 6 is a recharge card information according to an embodiment of the present invention; Method timing diagram of the query; 7 is a schematic structural diagram of a recharge card generating apparatus according to an embodiment of the present invention; FIG. 8 is a schematic structural diagram of a recharge card system according to an embodiment of the present invention;

9 is a schematic structural diagram of another recharge card system according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a recharge card information inquiry system according to an embodiment of the present invention. detailed description

The detailed description of the present invention and the accompanying drawings are to be understood as

The technical solution of the present invention will be described below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1, a flowchart of a method for generating a recharge card according to an embodiment of the present invention is shown. The method may include: Step 101: Generate a serial number of the recharge card. The method for generating the serial number may adopt a prior art, and may be sorted or randomly generated according to a certain rule. The process of generating the recharge card serial number can be performed simultaneously with the generation of information such as the recharge card password. The generated serial number is an unencrypted serial number, that is, the serial number is clear.

Step 102: Encrypt the serial number to generate a sequence number ciphertext.

In this step, the encryption algorithm for the serial number may be a reversible encryption algorithm or an irreversible encryption algorithm. If it is an irreversible encryption algorithm, the serial number information will not be recorded when the log is recorded after recharging. Step 103: Store the serial number ciphertext into the recharge card database, and correspond to the recharge card data of the recharge card. In the embodiment of the present invention, by encrypting the serial number of the recharge card, the display manner of the serial number in the recharge card data table is changed, that is, the original plaintext is changed into ciphertext, so that even if an unused recharge card is obtained, According to the serial number of the recharge card, the plain text cannot be located in the database. The recharging card data table can not realize the backup of the data table and the re-use of the recharge card, thereby improving the security of the recharge card system. Referring to FIG. 2, which is a flowchart of an embodiment of a method for generating a recharge card, the embodiment is described by taking an encrypted serial number in the card making process as an example. The method may include: Step 201: Generate a recharge card password and a serial number in the card making process.

In the card making center, the recharge card serial number can be generated simultaneously with the password or separately. The password and serial number generated in this step are plain text, that is, the number is not encrypted. Step 202: Encrypt the recharge card password and the serial number to generate a password ciphertext and a sequence number ciphertext. Wherein, the password and the serial number can be separately encrypted, and the same method can also be used to simultaneously encrypt and generate the respective ciphertext. The encryption algorithm can employ a variety of algorithms in the prior art. For example: A recharge card with a recharge card number of 7533479, the recharge card password is 5219, and the recharge card serial number is 5538832649. After encryption, the corresponding card data stored in the recharge card table in the recharge center database is encrypted. The ciphertext 473294932107478, the recharge card password ciphertext is 76682242, and the recharge card serial number is also encrypted cipher text 6643546654689. Step 203: Load the password ciphertext and the serial number ciphertext into the database of the recharge center. After loading, the recharge data table corresponding to each recharge card in the recharge center database will display the serial number cipher text and password cipher text of the recharge card, as shown in the following table:

In this embodiment, the use of the serial number ciphertext makes it impossible to locate the corresponding recharge data table of the serial number in the database according to the plaintext of the serial number, thereby improving the security of the recharge card system. Referring to FIG. 3, which is a flowchart of another embodiment of a method for generating a recharge card, the embodiment is described by taking an encrypted serial number in the process of card loading activation as an example.

The method may include: Step 301: After the card-making center encrypts the recharge card password to generate the password ciphertext, the password ciphertext and the recharge card serial number plaintext are loaded into the recharge card database of the recharge center. Step 302: Encrypt the serial number to generate a serial number ciphertext. The encryption process is the same as the foregoing embodiment, and details are not described herein again. Step 303: Store the serial number ciphertext in the recharge card database, and correspond to the recharge card data of the recharge card.

In this step, the storage refers to the method of using the serial number ciphertext instead of the plain text in the prior art. After the storage is completed, the recharge card data table corresponding to each recharge card includes the serial number ciphertext and the password. Data information such as cipher text.

In this embodiment, the use of the serial number ciphertext makes it impossible to locate the corresponding recharge data table of the serial number in the database according to the plaintext of the serial number, thereby improving the security of the recharge card system. Referring to FIG. 4, it is a flowchart of a method for recharging using a recharge card according to an embodiment of the present invention. The method may include: Step 401: Receive an identification code of the recharge card.

The identification code may be a card number and/or a password, or other number for providing a voucher during recharging. When the user uses the recharge card to recharge, the user submits the identification code of the recharge card, such as the card number and password, to the service access point, and the service access point sends the card number and password to the recharge center service processing point, where the card number and password are used. It is plain text, ie it is not encrypted. Step 402: Query the corresponding recharge card data according to the recharge card identification code and return the recharge card information. The recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned recharge card information includes a recharge card denomination. And/or the expiration date of the recharge card. The recharge center service processing point encrypts the received card number and password. The encryption method is the same as the encryption method of the card-making center for the recharge card number and password. This is to ensure that the card number and password submitted by the user are encrypted. The ciphertext can find the matching ciphertext in the database of the recharge center to further query the corresponding recharge card data and return the recharge card information to the service access point, and the service access point returns the recharge card information to the client end. . The query process may further include authenticating the user's mobile phone number sent by the service processing point, and validating the valid field of the recharge card data table. The specific process of the query is a prior art, and details are not described herein. Moreover, when the matching recharge card information cannot be queried according to the user's recharge card password, or the result of the face card authentication, authentication, etc. fails, the related result of the refill failure is returned to the service access point, and the result is obtained by the service access point. Return to the user. This part is prior art and will not be described here. In the recharge card data table stored in the database, the plaintext of the recharge card serial number is not displayed, but the serial number ciphertext generated by encrypting the recharge card serial number is included. The returned recharge card information includes information such as the recharge card face value and/or the expiration date of the recharge card, but does not include the recharge card serial number ciphertext.

Step 403: Receive recharge confirmation information. After the service access point receives the information that the user confirms the recharge, the service access point sends the information to the recharge center service processing point. Step 404, returning the recharge card amount for recharging. The recharge center business processing point feeds back the recharge card amount in the recharge card data table to the docking system such as the service access point, and the service access point updates the user account amount, and feeds the result back to the user. In the embodiment of the present invention, the display manner of the serial number in the recharge card data table is changed from the original plaintext to the ciphertext, so that even if an unused recharge card is obtained, the plaintext according to the serial number of the recharge card cannot be in the database. The corresponding recharge card data table is located in the middle, so that the backup of the data table and the re-use of the recharge card cannot be realized, and the security of the recharge card system is improved. Referring to FIG. 5, it is a timing diagram of a method for recharging using a recharge card according to an embodiment of the present invention. The method may include: Step 501: Receive a password of a recharge card. The identification code of the recharge card used in this embodiment is the password of the recharge card. Step 502: Query the corresponding recharge card data according to the recharge card password and return the recharge card information. The recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned recharge card information includes a recharge card face value and / or the validity period of the recharge card. Step 503: Receive recharge confirmation information. The previous steps 501 to 503 are similar to the corresponding steps in the foregoing embodiment, and are not described herein again. Step 504: Update status information of the recharge card, and change a password ciphertext in the recharge card data. Update the status of the recharge card to the used status. There are various ways to change the password ciphertext. For example, a new ciphertext can be generated by performing an encryption operation. In this embodiment, a random insertion number is randomly selected in the ciphertext. For example, after the user confirms the recharge, the recharge center randomly inserts the password ciphertext of the recharge card using a random number algorithm (for example, a three-digit random number 269), and the password ciphertext may become 472329496321074798 from the original 473294932107478, and the original ciphertext is destroyed. After the user confirms the recharge, if it is necessary to record the recharge card serial number when the log is subsequently recorded, the process proceeds to step 505. Step 505: Decrypt the serial number ciphertext in the recharge card data to obtain a sequence number plaintext, and use the serial number plaintext to record the recharge log. Step 506, returning the amount of the recharge card for recharging. In the above steps, the order of steps 504 to 506 can be adjusted to form different technical solutions, which are all within the protection scope of the claims. First, in this embodiment, the use of the serial number ciphertext makes it impossible to locate the corresponding recharge data table of the serial number in the database according to the plaintext of the serial number, and the recharge card serial number obtained by the pirate is used as the plaintext. 5538832649, and the ciphertext is stored in the database.

6436543654689, unable to directly find the corresponding records in the database, so that it is impossible to back up the relevant original data before recharging, which improves the security of the recharge card system. Secondly, after receiving the user's recharge confirmation information, the password ciphertext in the recharge card database is changed and destroyed, even if the attempted pirate finds the corresponding recharge card record in the database, then the recharge card password ciphertext has been The random number is polluted. Take the foregoing as an example. At this time, the password ciphertext of the database has become 472329496321074798. The user then recharges the original recharge card password, and the ciphertext after the recharge center is 473294932107478, which cannot be matched in the database. The corresponding record. This recharge card will not be refilled again and will not be used again via the update. In addition, the recharge log records the replenishment card serial number plaintext. When the internal user views the recharge account, the user still sees the recharge card serial number plaintext, and the user still cannot locate the recharge card in the database through the recharge card serial number. The record also further ensures that the recharge card will not be reused. In the database of the recharge center, since the serial number in the recharge card data table has been encrypted into ciphertext, the existing recharge card information query method can not be used for information inquiry. The following method for information query is detailed by specific embodiments. Description. Referring to FIG. 6, a timing diagram of a method for querying recharge card information according to an embodiment of the present invention is shown. The method can include: Step 601: Receive a serial number of the recharge card. After receiving the serial number entered by the user, the service control point forwards the sequence to the service processing point of the recharge center, where the serial number received by the service processing point is the plaintext of the serial number. Step 602: Encrypt the received recharge card serial number to generate a sequence number ciphertext. The received serial number is encrypted by the refill center service processing point using the same encryption method as the serial number ciphertext stored in the recharge card database. Step 603: Search, according to the sequence number ciphertext, whether there is a matching sequence number ciphertext in the recharge card database. Since the ciphertext generation method of the serial number ciphertext is the same as the ciphertext generation method of the matching ciphertext, if the recharge card is legal, according to the ciphertext generated by the encryption in the previous step, it can be found in the recharge card database of the recharge center. The matching serial number ciphertext, the so-called matching can mean the same. Step 604, if yes, acquiring and returning the recharge card status information corresponding to the matching sequence number ciphertext.

After the matching ciphertext of the serial number is queried, the recharge center business processing point reads the recharge card data table, obtains information such as the recharge amount, validity period, and usage status, and returns the information to the service control point, further by the service control point. Return to the user, complete the query operation. In this embodiment, in the recharge card data table of the recharge center database, the serial number is set in the ciphertext, and the refill center encrypts the received serial number plaintext during the query, and still uses the serial number ciphertext for query, so The recharge card data table corresponding to the clear text of the recharge card serial number is obtained, and the recharge card cannot be reused, thereby improving the security of the recharge card system. A person skilled in the art can understand that all or part of the steps of implementing the foregoing embodiments may be completed by a program instructing related hardware, and the program may be stored in a computer readable storage medium, and the program is executed. The method includes the following steps: (step of the method), the storage medium, such as: ROM/RAM, disk, optical disk, and the like. The method for generating a recharge card, the method for recharging, and the method for querying are described in detail above. The device or system corresponding to each method will be described below by way of specific embodiments. FIG. 7 is a schematic structural diagram of a recharge card generating apparatus according to an embodiment of the present invention. The recharge card generating device may include a serial number generating module 701, an encryption module 702, and a storage module 703. The serial number generating module 701 is configured to generate a serial number of the recharge card.

The encryption module 702 is configured to encrypt the serial number to generate a serial number ciphertext. The storage module 703 is configured to store the serial number ciphertext in the recharge card database, and corresponding to the recharge card data of the recharge card. The above three modules of the device may be disposed at the card making center, and the serial number generating module 701 generates a serial number of the recharge card by the card making center, and the generating process may be the same as the generating method of the recharge card password, and then pass the encryption module. 702 encrypts the serial number to generate a serial number ciphertext, and finally stores the serial number ciphertext in the recharge card database of the recharge center through the storage module 703, and corresponds to other data of the recharge card, that is, the recharge card in the database In the data table, the recharge card serial number information part shows the serial number ciphertext instead of the serial number plaintext. In addition, the above three modules of the device may not be disposed at the card making center, the serial number generating module 701 may be disposed at the card making center, and the encryption module 702 and the storage module 703 may be disposed at the refill center. The serial number of the recharge card is generated by the card making center through the serial number generating module 701, and then the serial number is encrypted by the recharging center through the encryption module 702 to generate a serial number ciphertext, and the storage module 703 adds the serial number ciphertext together with the recharge card. The other data is stored in the data table of the recharge card. In the data table of the recharge card, the recharge card serial number information portion also displays the sequence number ciphertext instead of the sequence number plaintext. In this embodiment, through the three modules of the above-mentioned recharge card generating device, the refill card serial number information in the refill card database is displayed in cipher text instead of plaintext, so that the serial number according to the recharge card is obtained. The plaintext cannot find the corresponding recharge card data table in the database, solves the problem of re-use of the recharge card, and improves the security of the recharge card system. FIG. 8 is a schematic structural diagram of a prepaid card system according to an embodiment of the present invention. The system can include a first receiving unit 801, a query unit 802, a second receiving unit 803, and a feedback unit 804. The first receiving unit 801 is configured to receive an identification code of the recharge card. The query unit 802 is configured to query the corresponding recharge card data according to the received recharge card identification code and return the recharge card information, where the recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned recharge card information includes Recharge card face value and / or recharge card validity period information. The second receiving unit 803 is configured to receive refill confirmation information. The feedback unit 804 is configured to return the amount of the recharge card to enable the docking system to recharge the user account. In this embodiment, the refilling is implemented by using the above four units, and the recharge card data includes the serial number ciphertext generated after encrypting the recharge card serial number, that is, the recharge card serial number information in the recharge card database is displayed in cipher text instead of In plain text, the corresponding recharge card data table cannot be found in the database according to the serial number of the recharge card, which solves the problem of re-use of the recharge card and improves the security of the recharge system. FIG. 9 is a schematic structural diagram of another recharge card system according to an embodiment of the present invention. In this embodiment, the system includes a first update unit 901, a query unit 902, a second receiving unit 903, and a feedback unit 904, and may further include a status update unit 905, a decryption unit 906, and a recording unit 907. The first receiving unit 901, the querying unit 902, the second receiving unit 903, and the feedback unit 904 are similar to the corresponding units in the embodiment shown in FIG. 8, and details are not described herein again. The status update unit 905 is configured to: after the second receiving unit 903 receives the refill confirmation information, update the status information of the recharge card, and change the identification code ciphertext in the recharge card data. The decryption unit 906 is configured to decrypt the serial number ciphertext in the recharge card data after the second receiving unit receives the refill confirmation information to obtain a sequence number plaintext. The recording unit 907 is configured to record the refill log by using the serial number plaintext. In the recharging process, after receiving the recharge card identification code input by the user, the service access point forwards the identification code to the first receiving unit 901 of the system, and the query unit 902 queries the matched recharge card information through the identification code. The access point returns to the user end. After the second receiving unit 903 receives the recharge confirmation information of the user, the status update unit 905 updates the status information of the recharge card, and changes the identification code ciphertext in the recharge card data, and the status update. The unit 905 may specifically change the identification code ciphertext in the recharge card data by inserting a random number in the identification code ciphertext; when recording the log, if the serial number of the recharge card needs to be recorded, the recharging card is decrypted by the decryption unit 906 The serial number ciphertext in the data is decrypted to obtain the clear text of the serial number, and the recording unit 907 records the refill log using the serial number plaintext; the feedback unit 904 returns the amount of the recharge card to the docking system such as the service access point, and the service access point is updated. User account balance and return results to the user. The status update unit 905 may perform the update process of the recharge card status and the destruction process of the identification code ciphertext, the recording process of the recharge log by the decryption unit 906 and the recording unit 907, and the feedback process of the feedback unit 904 may be performed simultaneously, or may be performed according to a certain The order is carried out, which is not limited here. Moreover, when the querying unit 902 fails to query the matching recharge card information according to the recharge card identification code provided by the user, or fails to verify, the authentication, etc., the query unit 902 returns a related result of the recharging failure to the service access point, and the service access point Return this result to the user. This situation is prior art and will not be described here. In this embodiment, the use of the serial number ciphertext makes it impossible to locate the corresponding recharge data table of the serial number in the database according to the plaintext of the serial number, thereby improving the security of the use of the recharge card. Moreover, after receiving the recharge confirmation information of the user, the identification code ciphertext in the recharge card database is modified and destroyed, so that the thief uses the recharge card identification code to re-use the plaintext even if the recharge card status is modified, because the recharge is performed. Card identification code ciphertext has been polluted by random numbers, recharge center The record of the response could not be matched in the database, and the refill failed. Furthermore, the recharge card records the plain text of the recharge card serial number. When the internal user views the recharge log, the user still cannot locate the recharge card record in the database through the recharge card serial number, which further ensures that the recharge card will not be Reuse, which increases the security of the recharge card system. FIG. 10 is a schematic structural diagram of a recharge card information inquiry system according to an embodiment of the present invention. The system may include: a third receiving unit 1001, configured to receive a serial number of the recharge card. The encryption unit 1002 is configured to encrypt the received recharge card serial number by using the same encryption method as the serial number ciphertext stored in the recharge card database to generate a serial number ciphertext. The searching unit 1003 is configured to search, in the recharge card database, whether there is a matching sequence number ciphertext according to the serial number ciphertext. The obtaining unit 1004 is configured to obtain, after the searching unit 1003 finds the matched sequence number ciphertext, the recharge card status information corresponding to the matching sequence number ciphertext. The service control point is forwarded to the third receiving unit 1001 of the system after receiving the plain text of the recharge card serial number provided by the user, and the encryption unit 1002 encrypts the plaintext received by the third receiving unit 1001 to generate the ciphertext of the serial number. The searching unit 1003 searches for the matching sequence number ciphertext in the refill card database according to the sequence number ciphertext. After the searching unit 1003 finds the matched sequence number ciphertext, the obtaining unit 1004 obtains and returns the matching sequence. The status information of the recharge card corresponding to the cipher text. If the search unit 1003 cannot find the matching serial number ciphertext, the query failure information is returned to the service control point. In this embodiment, the received sequence number is encrypted by the encryption unit 1002, so that the recharge center uses the serial number password in the search process, so that the internal user still cannot obtain the correspondence between the plaintext and the ciphertext of the serial number, and thus cannot obtain the serial number. If the recharge card data table corresponding to the clear text of the card serial number is used, the recharge card cannot be reused, thereby improving the security. For the specific implementation process of each module or unit in the above device or system embodiment, refer to the description of the corresponding part in the foregoing method embodiment, and details are not described herein again.

The embodiments of the present invention described above are not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims

Rights request

A method for generating a recharge card, comprising: generating a serial number of a recharge card; encrypting the serial number to generate a serial number ciphertext; storing the serial ciphertext in a recharge card database, and Corresponding to the recharge card data of the recharge card.

2. The method according to claim 1, wherein the serial number is encrypted during a card making process or during a card loading activation process to generate a serial number ciphertext.

3. A method for recharging using a recharge card, comprising: receiving an identification code of a recharge card;

And searching for the corresponding recharge card data in the database according to the identification code of the recharge card, and returning the recharge card information, where the recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned recharge card information includes recharging Card face value and/or expiration date information of the recharge card; receiving recharge confirmation information;

The method according to claim 3, after the receiving the refill confirmation information, further comprising: updating status information of the recharge card, and changing the identification code ciphertext in the recharge card data.

The method according to claim 4, wherein the modifying the identification code ciphertext in the recharge card data comprises: randomly selecting a location insertion random number in the identification code ciphertext.

The method according to claim 3, after the receiving the refill confirmation information, further comprising: decrypting the serial number ciphertext in the recharge card data to obtain a sequence number plaintext; using the sequence No. Clear text record recharge log.

7. A method for querying recharge card information, comprising: receiving a serial number of a recharge card;

And encrypting the received recharge card serial number by using the same encryption method as the serial number ciphertext stored in the recharge card database to generate a serial number ciphertext;

If yes, the status information of the refill card corresponding to the matching sequence number ciphertext is obtained and returned.

8. A recharge card generating device, comprising: a serial number generating module, configured to generate a serial number of a recharge card; an encryption module, configured to encrypt the serial number to generate a serial number ciphertext; a storage module, And storing the serial number ciphertext in the recharge card database, and corresponding to the recharge card data of the recharge card.

A recharge card system, comprising: a first receiving unit, configured to receive an identification code of a recharge card; and a query unit, configured to query a corresponding recharge card data in the database according to the identification code of the recharge card Returning the recharge card information, the recharge card data includes a sequence number ciphertext generated by encrypting the serial number, and the returned recharge card information includes recharge card face value and/or expiration date information of the recharge card;

a second receiving unit, configured to receive refill confirmation information; The feedback unit is configured to return the amount of the recharge card to enable the docking system to recharge the user account.

The system according to claim 9, further comprising: a status update unit, configured to: after the second receiving unit receives the refill confirmation information, update status information of the recharge card, and change the location The identification code ciphertext in the recharge card data.

The system according to claim 10, wherein the status update unit specifically changes the identification code ciphertext in the recharge card data by randomly selecting a location insertion random number in the target identification code ciphertext.

The system according to claim 9, further comprising: a decryption unit, configured to perform, after the second receiving unit receives the refill confirmation information, perform a sequence number ciphertext in the recharge card data Decrypt to obtain the clear text of the serial number;

a recording unit, configured to record the refill log by using the serial number plaintext.

13. A recharge card information inquiry system, comprising: a third receiving unit, configured to receive a serial number of a recharge card; and an encryption unit, configured to use the same sequence number ciphertext as stored in the recharge card database The encryption method encrypts the received recharge card serial number to generate a sequence number ciphertext; the searching unit is configured to search, in the recharge card database, whether there is a matching sequence number ciphertext according to the sequence number ciphertext; And after the search unit finds the matched sequence number ciphertext, obtains and returns the recharge card status information corresponding to the matching sequence number ciphertext.