JP2012190056A - Password management device, password management method and password management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a password management device, a password management method, and a password management system capable of preventing the deterioration of security while reducing the labor of a manager.SOLUTION: A password management device 1 includes: a password generation part 142 for generating a plurality of passwords which are valid in a first time, and whose term of validity is different for a first period; a password storage control part 143 for making a password DB 131 store user ID and the plurality of passwords for the first period in association; a valid password selection part 144 for selecting the valid password on the basis of the term of validity in every first time from among the plurality of passwords stored in the password DB 131; and a valid password transmission part 145 for transmitting the selected valid password and the user ID corresponding to the valid password to a server 2.

Description

  The present invention relates to a password management device, a password management method, and a password management system.

  Conventionally, as part of information security management, an appropriate authority is set for each user on a server or the like. For example, there is a method in which an administrator authority is given to an administrator who manages a server, and a user authority whose authority is restricted as compared to the administrator authority is given to a user who uses the server. Yes. Such a method can appropriately grant the authority, and thus can prevent a decrease in security.

  By the way, in the operation of a server or the like, there are cases where the administrator's work temporarily increases and the administrator cannot cope with the work. In order to cope with such a case while preventing a decrease in security, it has been proposed to temporarily give administrator authority to a user who has been given user authority to deal with work. .

  For example, in Patent Document 1, on the condition that there is an instruction from all the administrators who are logged in to the computer system, the user is given privileges for operating the computer, and in response to the administrator logging out of the computer system, A method of revoking privileges granted to the user has been proposed.

JP 2006-227786 A

  However, in the method described in Patent Document 1, since the privilege granted to the user is deprived in response to the administrator logging out from the computer system, the user's privilege is deprived during the work of the user. May cause trouble. Further, in the method described in Patent Literature 1, when it is desired to maintain the granting of privileges to the user, the administrator must continue to log in to the computer system, which causes a burden on the administrator.

  SUMMARY An advantage of some aspects of the invention is that it provides a password management device, a password management method, and a password management system that can reduce the burden on an administrator and prevent a decrease in security.

  A password management apparatus according to the present invention is a password management apparatus that is communicably connected to a server that requires authentication by a password and manages the password, and includes user identification information for identifying a user and a plurality of passwords. A password storage means for storing; a user registration acceptance means for accepting registration of user identification information of a new user; and valid for a first time in response to acceptance of the registration by the user registration acceptance means; and A password generating means for generating a plurality of passwords having different validity periods for a first period, the user identification information received for registration by the user registration receiving means, and for the first period generated by the password generating means. A storage control unit that associates a plurality of passwords with each other and stores them in the password storage means And valid password selection means for selecting a valid password from the plurality of passwords stored in the password storage means at intervals of the first time based on the validity period, and selection by the valid password selection means Effective password transmission means for transmitting the valid password thus made and user identification information corresponding to the valid password to the server.

  In the password management device, the password generation means may include a plurality of passwords in a period after the first period and in which the password is not generated, every second time longer than the first time. For the second period corresponding to the second time, and the storage control means associates the plurality of passwords for the second period generated every second time with the user identification information. It is preferable to store the password in the password storage means.

  In the password management device, the password storage unit stores the user identification information, the password, and the job type of the user, and the user registration reception unit includes the user identification information of the new user. And the password generation means, when the business type accepted by the user registration acceptance means is a predetermined type, the registration is accepted in response to the acceptance of the registration. The plurality of passwords are generated for the first period, with the passwords for the second period having a continuous valid period being the same password, and the storage control means is the user whose registration has been accepted by the user registration acceptance means Identification information, the plurality of passwords generated by the password generation means, and the user In association with the job type accepted by the registration accepting means, it is preferable to be stored in said password storage means.

  In addition, the password management device is connected to a user terminal so as to be communicable, and an application receiving means for receiving a use application of the server including the user identification information and a use period of the server, A password that, when the use application is accepted by the application accepting unit, extracts from the password storage unit the password of the validity period corresponding to the user period and corresponding to the user identification information included in the use application. It is preferable to further include an extraction unit and a password notification unit that transmits the password extracted by the password extraction unit to the user terminal.

  In addition, the password management device, when the usage application is received by the usage history storage unit that stores the user identification information and the usage period as a usage history, and the application reception unit, It is preferable to further include usage history storage control means for storing the user identification information included and the usage period in association with each other and storing them in the usage history storage means.

  A method for managing a password according to the present invention is a method executed by a password management apparatus that is communicably connected to a server that requires authentication by a password and manages the password, and the password management apparatus Password storage means for storing user identification information to be identified and a plurality of passwords is provided, and the method accepts registration of user identification information of a new user, and the registration is accepted in the user registration step. In response to this, a password generation step of generating a plurality of passwords that are valid for the first time and have different validity periods for the first period, and the user identification information that has been accepted for registration in the user registration step; , For the first period generated in the password generation step From the storage control step of associating a number of passwords with each other and storing them in the password storage means, and from the plurality of passwords stored in the password storage means, it is valid based on the validity period at the first time intervals. An effective password selection step for selecting a valid password, an effective password transmission step for transmitting the effective password selected in the effective password selection step, and user identification information corresponding to the effective password to the server, Including.

  A password management system according to the present invention is a password management system comprising: a server that requires authentication by a password; and a password management device that is communicably connected to the server and manages the password. The apparatus includes: password storage means for storing user identification information for identifying a user and a plurality of passwords; user registration acceptance means for accepting registration of user identification information of a new user; and the registration by the user registration acceptance means. In response to being accepted, password generation means for generating a plurality of passwords that are valid for the first time and have different validity periods for the first period, and the user whose registration has been accepted by the user registration acceptance means Identification information and the first period generated by the password generation means Based on the validity period, the storage control means that associates a plurality of passwords with each other and stores them in the password storage means, and the plurality of passwords stored in the password storage means. Valid password selection means for selecting a valid password, valid password transmission means for sending the valid password selected by the valid password selection means, and user identification information corresponding to the valid password to the server, The server includes valid password storage means for storing the user identification information and the valid password, and from the password management device, the valid password and user identification information corresponding to the valid password. A valid password receiving means for receiving the valid password receiving means; In response to receiving the valid password and the user identification information corresponding to the valid password, the valid password and the user identification information are associated with each other and stored in the valid password storage unit. Password setting means.

  According to the present invention, it is possible to prevent a decrease in security while reducing the burden on the administrator.

It is a figure which shows the outline | summary of the password management system which concerns on 1st Embodiment. It is a block diagram which shows the function structure of the password management apparatus which concerns on 1st Embodiment. It is a figure which shows password DB which concerns on 1st Embodiment. It is a block diagram which shows the function structure of the server which concerns on 1st Embodiment. It is a flowchart which shows the flow of a process after accepting registration of the new user in the password management apparatus which concerns on 1st Embodiment until it produces | generates a password. 6 is a flowchart showing a flow of processing from when an effective password is transmitted to a server until an effective password is set in the server in the password management apparatus according to the first embodiment. It is a flowchart which shows the flow of the process which newly produces | generates a password every other month in the password management apparatus which concerns on 1st Embodiment. It is a flowchart which shows the flow of a process in the case of extracting a password in the password management apparatus which concerns on 1st Embodiment. It is a block diagram which shows the function structure of the password management apparatus which concerns on 2nd Embodiment. It is a figure which shows the utilization log | history DB which concerns on 2nd Embodiment. It is a flowchart which shows the flow of a process in the case of extracting a password in the password management apparatus which concerns on 2nd Embodiment.

<First Embodiment>
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a diagram showing an outline of a password management system S according to the present embodiment.

The password management system S is a system including a password management device 1, a plurality of servers 2, and a plurality of user terminals 3. The password management apparatus 1 is communicably connected to a plurality of servers 2 via a communication network N, and a user ID as user identification information for identifying a user used in the plurality of servers 2 and the user ID It is a server that manages the corresponding password. The password management device 1 is connected to a plurality of user terminals 3 through a communication network N so as to be communicable.
The communication network N is configured by a LAN (Local Area Network). In the present embodiment, the communication network N is configured by a LAN, but may be configured by a computer network such as the Internet.

FIG. 2 is a block diagram showing a functional configuration of the password management apparatus 1 according to the present embodiment.
The password management device 1 includes a display unit 11, an input unit 12, a storage unit 13, and a control unit 14.

The display unit 11 includes a display device such as a cathode ray tube display (CRT) or a liquid crystal display (LCD), and performs display related to the function of the password management device 1.
The input unit 12 includes a keyboard and a mouse, and receives an input operation from an operator of the password management device 1.

  The storage unit 13 includes a memory, a hard disk, and the like, and stores various programs (not shown) for causing the password management apparatus 1 to function. In addition, the storage unit 13 includes a password database (hereinafter referred to as DB) 131 as a password storage unit and a usage history storage unit.

  FIG. 3 is a diagram showing the password DB 131 according to the present embodiment. The password DB 131 stores a user ID as user identification information for identifying a user, a plurality of passwords effective for one day (first time), and a user type as a user business type in association with each other.

  Specifically, the password DB 131 stores a user type, a user ID, a password date, and a password that is valid for one day in association with each other. The user type is a type of authority given to the user, and is a type corresponding to the work performed by each user. The password date indicates the date when the password is valid. For example, when the password date is “201011”, the password associated with the password date is valid in November 2010. Show.

  Passwords are provided for each day (first time) for the number of days of the month corresponding to the password year and month. For example, when the password date is “201011”, 30 passwords are provided. As shown in FIG. 3, the password “r9ke9UN1” corresponding to the user ID “11101089”, the password date “201011”, and the date “1” has an effective period of 2010 The password will be the 1st of the month.

  The password DB 131 stores a notification flag indicating whether or not the password has been notified in association with each password. When the value of the notification flag is “0”, it indicates that the password is not notified, and when it is “1”, it indicates that the password is notified.

  Returning to FIG. 2, the control unit 14 is a part that exercises control over functions related to the password management apparatus 1, and includes a CPU (Central Processing Unit) and the like. The control unit 14 includes a user registration receiving unit 141 as a user registration receiving unit, a password generation unit 142 as a password generation unit, a password storage control unit 143 as a storage control unit, and an effective password as an effective password selection unit. A selection unit 144, an effective password transmission unit 145 as an effective password transmission unit, a password extraction unit 146 as a password extraction unit, a usage history storage control unit 147 as a usage history storage control unit, and a password as a password notification unit A notification unit 148.

  The user registration receiving unit 141 receives registration of a user ID of a new user. Specifically, the user registration accepting unit 141 accepts registration of a user ID of a new user from the input unit 12 via a user registration accepting page or the like. Further, the user registration receiving unit 141 receives a user type corresponding to this user ID from the input unit 12 via a user registration receiving page or the like.

  The password generation unit 142 receives a plurality of passwords that are valid for one day (first time) and have different validity periods for one year (first period) in response to the registration accepted by the user registration acceptance unit 141. ) Minutes.

  For example, in response to the registration being accepted by the user registration accepting unit 141, the password generating unit 142 starts one day (first time) corresponding to each date from the year and month to which the date accepting the registration belongs. Valid passwords are generated for one year (first period) so that each password is different.

  In addition, when the user type received by the user registration receiving unit 141 is a predetermined type (for example, a type corresponding to maintenance work), the password generation unit 142 has an effective period according to the reception of registration. A plurality of passwords having different validity periods are generated for one year (first period), with the passwords being consecutive and January (second period) as the same password.

  For example, when the user type received by the user registration receiving unit 141 is a predetermined type, the password generation unit 142 uses the password for the same year (for the second period in which the validity period is continuous). Make the content the same. That is, when the user type accepted by the user registration accepting unit 141 is a predetermined type, the password generating unit 142 substantially assigns a password having a different content every month (second period) to one year (first 1 period).

  In addition, the password generation unit 142 generates a plurality of passwords for one month (first time) after one year (after the first period) and every month (second time) in which no password is generated. For a second period corresponding to the time of 2). Specifically, the password generation unit 142 generates a password valid for one day at midnight (every first time) on the first day of every month for one month starting from one year from the current date. For example, the password generation unit 142 generates passwords from December 1, 2011 to December 31, 2011 at midnight on December 1, 2010. Note that the password generation unit 142 generates a password for each user ID stored in the password DB 131 when newly generating a password for one month.

The password storage control unit 143 associates the user ID registered by the user registration reception unit 141 with a plurality of passwords for one year (first period) generated by the password generation unit 142 and stores them in the password DB 131. .
Specifically, the password storage control unit 143 receives the user ID registered by the user registration receiving unit 141 and a plurality of passwords for one year (first period) generated by the password generation unit 142 in January. The password is stored in the password DB 131 in a form summarized for each (second period).

  Further, the password storage control unit 143 stores a plurality of passwords for one month (second period) generated every one month (second time) in the password DB 131 in association with the user ID.

  The valid password selection unit 144 selects a valid password from the plurality of passwords stored in the password DB 131 based on the valid period every other day (first time). Specifically, the effective password selection unit 144 sets the effective period as the date of change every midnight (every first time) every day. Subsequently, the valid password selection unit 144 selects a password corresponding to the valid period, that is, the date at the time of change, from the password DB 131 as a valid password.

  The valid password transmission unit 145 selects a user ID corresponding to the valid password selected by the valid password selection unit 144 from the password DB 131. Subsequently, the valid password transmission unit 145 transmits the valid password selected by the valid password selection unit 144 and the user ID corresponding to the valid password to the plurality of servers 2.

  The password extraction unit 146 receives a user ID and a period for extracting a password as a usage period of the server 2 via the input unit 12, and corresponds to the user ID from the password DB 131 and corresponds to the usage period. Extract the password for the validity period.

  The usage history storage control unit 147 updates the notification flag corresponding to the extracted password from “0” to “1” stored in the password DB 131 in response to the password extraction by the password extraction unit 146. To do.

  The password notification unit 148 notifies the password corresponding to the usage period of the server 2 by causing the display unit 11 to display the password extracted by the password extraction unit 146.

FIG. 4 is a block diagram showing a functional configuration of the server 2 according to the present embodiment.
The server 2 includes a server-side storage unit 23 configured by a memory, a hard disk, and the like, and a server-side control unit 24 configured by a CPU or the like. The server 2 receives a user ID and a password from the user terminal 3 and performs authentication. If the authentication is successful, access from the user terminal 3 is permitted. The server-side storage unit 23 stores a user ID and an effective password corresponding to the user ID in association with each other for the authentication of the user terminal 3. The server-side control unit 24 includes an effective password receiving unit 241, an effective password setting unit 242, and an authentication unit 243.

The valid password receiving unit 241 receives a valid password for each user ID from the password management device 1.
The valid password setting unit 242 deletes the valid password stored in the server-side storage unit 23 in response to receiving the user ID and the valid password corresponding to the user ID by the valid password receiving unit 241, and then The received user ID and the valid password corresponding to the user ID are associated and stored in the server-side storage unit 23.

  The authentication unit 243 receives a user ID and a password from the user terminal 3. Then, the authentication unit 243 refers to the server-side storage unit 23 and determines whether or not the accepted password is a valid password corresponding to the accepted user ID. If the authentication unit 243 determines that the accepted password is a valid password corresponding to the accepted user ID, the authentication unit 243 permits the authenticated user terminal 3 to access the server 2.

  The user terminal 3 includes a terminal-side display unit 31, a terminal-side input unit 32, and a terminal-side control unit.

The terminal-side display unit 31 includes a display device such as a cathode ray tube display device or a liquid crystal display device, and performs display related to the function of the user terminal 3.
The terminal side input unit 32 includes a keyboard and a mouse, and accepts an input operation from the user of the user terminal 3.

  The terminal-side control unit is a part that comprehensively controls functions related to the user terminal 3, and is configured by a CPU or the like. The terminal-side control unit authenticates the server 2 via an operation input by the terminal-side input unit 32, or accesses the server 2 after the authentication is completed.

Next, with reference to FIG. 5 to FIG. 8, the flow of processing in the password management apparatus 1 and its peripheral devices will be described.
FIG. 5 is a flowchart showing a flow of processing from when a new user registration is accepted in the password management apparatus 1 according to the present embodiment to when a password is generated.

  In step S1, the control unit 14 (user registration receiving unit 141) receives registration of a user ID of a new user. The user registration accepting unit 141 accepts a user type when accepting registration of a user ID.

  In step S2, the control unit 14 (password generation unit 142) determines in step S1 whether the user type for which registration has been accepted is a predetermined type. If this determination is YES, control unit 14 (password generation unit 142) moves the process to step S3, and if this determination is NO, the process moves to step S4.

  In step S3, the control unit 14 (password generation unit 142), for passwords having the same year and month, corresponds to each date from the year and month to which the registration date is received with the same password content. Password for one day is generated for one year (December). When this process ends, the control unit 14 moves the process to step S5.

  In step S4, the control unit 14 (password generation unit 142) obtains a password valid for one day corresponding to each date from the year and month to which the registration is accepted, for one year (for December), respectively. Generate different passwords for.

  In step S5, the control unit 14 (password storage control unit 143) stores the user ID and the plurality of passwords generated in step S3 or step S4 in the password DB 131 in a format that is collected every month.

  FIG. 6 is a flowchart showing a flow of processing from the transmission of the valid password to the server 2 until the valid password is set in the server 2 in the password management apparatus 1 according to the present embodiment.

  In step S11, the control unit 14 (valid password selection unit 144) sets the validity period to the date of change at midnight every day, and sets the password corresponding to the validity period (date of change) as a valid password. Select from DB 131.

  In step S12, the control unit 14 (valid password transmission unit 145) selects a user ID corresponding to the valid password selected in step S11 from the password DB 131.

  In step S13, the control unit 14 (valid password transmission unit 145) associates the valid password selected in step S11 with the user ID selected in step S12 and transmits it to the server 2.

  In step S <b> 14, the server-side control unit 24 (valid password receiving unit 241) receives a valid password for each user ID from the password management device 1.

  In step S15, the server-side control unit 24 (effective password setting unit 242) is stored in the server-side storage unit 23 in response to receiving the user ID and the effective password corresponding to the user ID in step S14. The valid password is deleted, and then the received user ID and the valid password corresponding to the user ID are associated and stored in the server-side storage unit 23.

  FIG. 7 is a flowchart showing a flow of processing for newly generating a password every other month in the password management apparatus 1 according to the present embodiment.

  In step S21, the control unit 14 (password generation unit 142) generates a password valid for one day at midnight on the first day of every month for one month starting from one year from the current date.

  In step S22, the control unit 14 (password storage control unit 143) stores a plurality of passwords for one month generated in step S21 in the password DB 131 in association with the user ID.

  FIG. 8 is a flowchart showing the flow of processing when a password is extracted in the password management apparatus 1 according to the present embodiment.

  In step S <b> 31, the control unit 14 (password extraction unit 146) receives a user ID and a period for extracting a password as a usage period of the server 2 via the input unit 12.

  In step S32, the control unit 14 (password extraction unit 146) responds to the received user ID from the password DB 131 in response to receiving the user ID and the usage period in step S31. Extract the password with the corresponding validity period.

  In step S33, the control unit 14 (use history storage control unit 147) displays a notification flag stored in the password DB 131 corresponding to the extracted password in response to the extraction of the password in step S32. Update to “1”.

  In step S34, the control unit 14 (password notification unit 148) displays the password extracted in step S32 on the display unit 11, thereby notifying the password corresponding to the usage period. When this process ends, the control unit 14 ends the process according to this flowchart.

  As described above, according to the present embodiment, the password management device 1 is valid for the first time by the password generation unit 142 in response to the user registration reception unit 141 receiving registration of the user ID, and the validity period. A plurality of passwords having different values are generated for the first period. Subsequently, the password management device 1 associates the user ID registered by the user registration reception unit 141 with the password storage control unit 143 and the plurality of passwords for the first period generated by the password generation unit 142, Store in the password DB 131. Further, the password management apparatus 1 extracts the password of the valid period corresponding to the user ID and corresponding to the use period in response to accepting the user ID and the use period by the password extracting unit 146, and notifies the password. The password extracted by the password extraction unit 146 is displayed on the display unit 11 by the unit 148.

  That is, the password management device 1 notifies the password corresponding to the usage period via the display unit 11 in response to the reception of the user ID and the usage period. It becomes unnecessary to generate a password, and the burden on the administrator can be reduced. Moreover, since the password management apparatus 1 displays only the password corresponding to the usage period on the display unit 11, the administrator cannot obtain the password corresponding to the usage period, and the user of the user terminal 3 can also use the password. Unable to get the corresponding password outside the period. For this reason, the password management apparatus 1 can prevent the outflow of the password outside the usage period, and can prevent the deterioration of security. Therefore, the password management device 1 can prevent a decrease in security while reducing the burden on the administrator.

  In addition, the password management apparatus 1 selects a valid password based on the validity period from the plurality of passwords stored in the password DB 131 by the valid password selection unit 144 at every first time, and transmits the valid password. The unit 145 transmits the valid password selected by the valid password selection unit 144 and the user ID corresponding to the valid password to the server 2. On the other hand, the server 2 receives an effective password for each user ID from the password management device 1 by the effective password receiving unit 241, and receives the received user ID and the effective password corresponding to the user ID by the effective password setting unit 242. Are stored in the server-side storage unit 23 in association with each other.

  Therefore, since the password management apparatus 1 selects an effective password every first time and transmits the effective password to the server 2, the effective password can be transmitted to the server 2 without an operation by the administrator. Moreover, the server 2 deletes the effective password memorize | stored in the server side memory | storage part 23 according to having received the effective password, and memorize | stores it in the server side memory | storage part 23 after that, and switches an effective password. For this reason, in the server 2, an effective password can be changed without an administrator operating. Therefore, the password management device 1 can reduce the burden on the administrator when changing the effective password.

  In addition, the password management device 1 uses the password generation unit 142 to add a plurality of passwords in a period after the first period and for which no password is generated, every second time longer than the first time. For the second period corresponding to the second time, and the password storage control unit 143 stores the plurality of passwords for the second period generated every second time in the password DB 131 in association with the user ID. .

  Therefore, since the password management apparatus 1 can always hold passwords for the first period, the administrator does not need to create a new password, thereby further reducing the burden on the administrator. it can.

  Further, the password management apparatus 1 accepts registration of a new user's user ID from the input unit 12 by the user registration accepting unit 141 and accepts a user type, and the accepted user type is predetermined by the password generating unit 142. When the registration is accepted, a plurality of passwords for the first period are generated with the same password as the password for the second period in which the validity period continues.

  Therefore, the password management apparatus 1 can provide, as a single password, passwords for the second period in which the validity period is continuous to a user whose user type is a predetermined type. Therefore, the password management device 1 has a user type such as maintenance work, and can simplify password management for the user who continuously accesses the server 2.

Second Embodiment
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the structure similar to 1st Embodiment, and description is abbreviate | omitted or simplified.

FIG. 9 is a block diagram showing a functional configuration of the password management apparatus 1A according to the present embodiment.
Although 1st Embodiment demonstrated that the password management apparatus 1 extracts a password according to having received user ID and a utilization period from the input part 12, and displays the extracted password on the display part 11. In this embodiment, the password management device 1A accepts an application for use of the server 2 from the user terminal 3, extracts the password in response to the administrator permitting the application, and transmits the extracted password to the user terminal 3. It will be described as being.

The control unit 14A of the password management device 1A replaces the password extraction unit 146, the usage history storage control unit 147, and the password notification unit 148 of the control unit 14 of the first embodiment, and includes a password extraction unit 146A and a usage history storage control unit 147A. The password notification unit 148A is provided. In addition, the control unit 14A of the password management device 1A includes an application receiving unit 149.
The storage unit 13A of the password management device 1A includes a usage history DB 132.

  The application receiving unit 149 receives the user ID and the usage period of the server 2 from the user terminal 3 as a usage application for the server 2, and further, from the administrator of the password management apparatus 1 </ b> A via the input unit 12. A determination as to whether or not to extract a password corresponding to the usage period is accepted.

  Based on the user ID and the usage period, the password extraction unit 146A receives the user password and the usage period from the password DB 131 in response to receiving the password extraction determination by the administrator of the password management apparatus 1A. A password with an effective period corresponding to the ID and corresponding to the use period is extracted.

  The usage history storage control unit 147A stores the user ID and the usage period in the usage history DB 132 according to the password extracted by the password extraction unit 146A.

  FIG. 10 is a diagram showing the usage history DB 132 according to the present embodiment. The usage history DB 132 stores a user ID and a usage period as a period during which the user corresponding to the user ID can use the server 2 in association with each other. Specifically, the usage history DB 132 stores a user ID, a usage start date indicating the start of the usage period, and a usage end date indicating the end of the usage period in association with each other. When the use start date is equal to the use end date, the use period is one day.

  Returning to FIG. 9, the password notification unit 148A notifies the password corresponding to the usage period by transmitting the password extracted by the password extraction unit 146A to the user terminal 3.

Next, the flow of processing in the password management device 1A and its peripheral devices will be described with reference to FIG.
FIG. 11 is a flowchart showing the flow of processing when extracting a password in the password management apparatus 1A according to the present embodiment.

  In step S <b> 101, the control unit 14 </ b> A (application receiving unit 149) receives a user ID and a period for extracting a password as a usage period of the server 2 from the user terminal 3.

  In step S <b> 102, the control unit 14 </ b> A (application receiving unit 149) receives the user ID and usage period from the user terminal 3 in step S <b> 101, and the administrator of the password management apparatus 1 </ b> A via the input unit 12. From this, it is determined whether or not to extract a password.

  In step S103, the control unit 14A (password extraction unit 146A) receives the determination in step S102 from the password DB 131 in step S101 in response to receiving the determination to extract the password from the administrator of the password management apparatus 1A. The password of the effective period corresponding to the usage period is extracted.

  In step S104, the control unit 14A (use history storage control unit 147A) sets the notification flag stored in the password DB 131 corresponding to the extracted password in response to the extraction of the password in step S103. Update to “1”. Further, the control unit 14A (use history storage control unit 147A) stores the user ID and the use period in the use history DB 132 as the use history.

  In step S105, the control unit 14A (password notifying unit 148A) notifies the password corresponding to the usage period by transmitting the password extracted in step S103 to the user terminal 3 that applied in step S101.

  As described above, according to the present embodiment, when the application accepting unit 149 accepts the use application for the server 2, the password management device 1 </ b> A is included in the use application from the password DB 131 by the password extracting unit 146 </ b> A. A password with an effective period corresponding to the user ID is extracted. Then, the password management device 1A transmits the password extracted by the password extraction unit 146A to the user terminal 3.

  Therefore, since the password management apparatus 1A can directly transmit the extracted password to the user terminal 3, there is no need to notify the user of the user terminal 3 of the password via the administrator. Can reduce the burden on the administrator.

  In addition, when a password is extracted by the password extraction unit 146A, the password management apparatus 1A causes the usage history storage control unit 147A to associate the user ID included in the usage application with the usage period and store them in the usage history DB 132. .

  Therefore, the password management apparatus 1A stores the usage history related to the usage application of the server 2 in the usage history DB 132. Therefore, even after the usage period of the server 2, the usage history of which user tried to access in which period It can be grasped only by referring to the DB 132, and further, the validity of the permission for the use application can be examined at any time.

  The embodiment of the present invention has been described above, but the present invention is not limited to the present embodiment, and modifications, improvements, and the like within the scope that can achieve the object of the present invention are included in the present invention.

1, 1A password management device 2 server 3 user terminal 11 display unit 12 input unit 13, 13A storage unit 14, 14A control unit 131 password DB
132 Usage history DB
141 User registration reception unit 142 Password generation unit 143 Password storage control unit 144 Valid password selection unit 145 Valid password transmission unit 146, 146A Password extraction unit 147, 147A Usage history storage control unit 148, 148A Password notification unit 149 Application reception unit N Communication network

Claims (7)

A password management device that is communicably connected to a server that requires password authentication and manages the password,
Password storage means for storing user identification information for identifying a user and a plurality of passwords;
User registration receiving means for receiving registration of user identification information of a new user;
Password generating means for generating a plurality of passwords that are valid for a first time and have different valid periods for the first period in response to the registration being accepted by the user registration accepting means;
A storage control unit that associates the user identification information received by the user registration reception unit with the plurality of passwords for the first period generated by the password generation unit, and stores them in the password storage unit; ,
Effective password selection means for selecting a valid password from the plurality of passwords stored in the password storage means at intervals of the first time based on the validity period;
A password management device comprising: the valid password selected by the valid password selection means; and valid password transmission means for sending the user identification information corresponding to the valid password to the server. The password generation means, at a second time longer than the first time, outputs a plurality of passwords after the first period and during which the password is not generated at the second time. For the corresponding second period,
2. The password management according to claim 1, wherein the storage control unit causes the password storage unit to store a plurality of passwords for the second period generated every second time in association with the user identification information. apparatus. The password storage means stores the user identification information, the password, and the business type of the user,
The user registration accepting unit accepts registration of the user identification information of the new user and accepts the business type,
The password generation means, when the business type accepted by the user registration acceptance means is a predetermined type, a password for the second period in which the validity period is continuous in response to acceptance of the registration. And the same password, the plurality of passwords are generated for the first period,
The storage control unit includes the user identification information received by the user registration receiving unit, the plurality of passwords generated by the password generating unit, and the business type received by the user registration receiving unit. The password management device according to claim 1, wherein the password storage unit stores the password in association with each other. The password management device is communicably connected to a user terminal,
Application accepting means for accepting the use application of the server including the user identification information and the use period of the server;
When the use acceptance is accepted by the application acceptance means, the password storage means extracts the password of the validity period corresponding to the use period corresponding to the user identification information included in the use application. Password extraction means;
The password management apparatus according to claim 1, further comprising: a password notification unit that transmits the password extracted by the password extraction unit to the user terminal. Usage history storage means for storing the user identification information and the usage period as usage history;
A usage history storage control unit for storing the user identification information included in the usage application in association with the usage period in the usage history storage unit when the usage application is received by the application receiving unit; The password management device according to claim 4, further comprising: A password management device that is communicably connected to a server that requires password authentication and manages the password,
The password management device
Password storage means for storing user identification information for identifying a user and a plurality of passwords;
The method
A user registration step for accepting registration of user identification information of a new user;
A password generation step of generating a plurality of passwords that are valid for a first time and have different validity periods for the first period in response to the registration being accepted in the user registration step;
A storage control step of associating the user identification information whose registration is accepted in the user registration step with a plurality of passwords for the first period generated in the password generation step, and storing them in the password storage means;
An effective password selection step of selecting an effective password from the plurality of passwords stored in the password storage means at intervals of the first time based on the effective period;
A method comprising: an effective password transmission step of transmitting the effective password selected in the effective password selection step and user identification information corresponding to the effective password to the server. A password management system comprising a server that requires authentication by a password and a password management device that is communicably connected to the server and manages the password,
The password management device
Password storage means for storing user identification information for identifying a user and a plurality of passwords;
User registration receiving means for receiving registration of user identification information of a new user;

Password generating means for generating a plurality of passwords that are valid for a first time and have different valid periods for the first period in response to the registration being accepted by the user registration accepting means;
A storage control unit that associates the user identification information received by the user registration reception unit with the plurality of passwords for the first period generated by the password generation unit, and stores them in the password storage unit; ,
Effective password selection means for selecting a valid password from the plurality of passwords stored in the password storage means at intervals of the first time based on the validity period;
Effective password transmission means for transmitting the effective password selected by the effective password selection means and user identification information corresponding to the effective password to the server,
The server
Effective password storage means for storing the user identification information and the effective password;
Effective password receiving means for receiving the effective password and user identification information corresponding to the effective password from the password management device;
In response to receiving the valid password and user identification information corresponding to the valid password by the valid password receiving means, the valid password is stored in association with the valid password and the user identification information. A password management system comprising: effective password setting means stored in the means;

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