JP6927865B2 - Program and timestamp management device - Google Patents

Description

The present invention relates to a program and a time stamp management device capable of managing time stamp tokens of an electronic file.

For example, for an electronic file containing electronic data such as document data, image data, moving image data, and audio data, a time authentication technique for issuing a time stamp token corresponding to the electronic data by a time authentication organization has become widespread. In this time authentication technology, the time stamp token proves that the electronic data existed at the issue date and time of the time stamp token (existence proof), and the electronic data is tampered with after the issue date and time of the time stamp token. Prove that it is not (proof of completeness). The time certification body generates a time stamp token by digitally signing the combined data of the hash value of the electronic data and the time information of the issue date and time with the private key. The time stamp token also includes an electronic certificate or the like that certifies the public key paired with the private key.

For example, the user generates a hash value of electronic data for an electronic file for which certification by a time stamp is desired, transmits this hash value to a time authentication organization, and requests the issuance of a time stamp token. In response to this, the time certification body acquires the time information indicating the issue date and time of the time stamp token, generates the time stamp token from the hash value and the time information, and transmits the time stamp token to the user.

When the user verifies the electronic file using the time stamp token, for example, the hash value of the electronic data of the electronic file is calculated and included in the calculated hash value and the time stamp token received from the time authentication authority. Compare with the hash value. If the electronic data has not been tampered with, both hash values match. On the other hand, when the electronic data has been tampered with, both hash values do not match.

In addition, the user can safely store the time stamp for a long period of time by sending the time stamp token to a time stamp storage organization such as an independent administrative agency or the National Center for Industrial Property Information and Training (INPIT). can. The user can acquire (download) or delete the deposited time stamp token from the time stamp storage organization.

The following Patent Document 1 describes a technique for storing a hash value generated from an electronic file to be managed in a storage server operated by a public institution.

Japanese Unexamined Patent Publication No. 2016-218554

By the way, in order to deposit the time stamp token in the time stamp storage institution, the user needs to identify the electronic file corresponding to the time stamp token that needs to be deposited. Therefore, the user needs to identify and manage the electronic file to be managed by the time stamp among the electronic files owned by the user. However, it is difficult and burdensome for the user to perform the above-mentioned identification and management for a large number of electronic files. As described above, it is difficult to easily and appropriately deposit the time stamp token of the electronic file in the time stamp storage organization.

Further, while the user's terminal device stores an electronic file to be managed by the time stamp, the time stamp token is issued by the time authentication organization independently of the electronic file. If the electronic file and the time stamp token are stored independently, it becomes difficult to manage them while associating them with each other.

In Patent Document 1, the time stamp device issues a time stamp token based on the target data, the storage device issues a storage ID for the time stamp token, and the storage ID and the time stamp token are stored. There is. Then, the information management device stores the target data in association with the storage ID. However, there is a possibility that the association with the target data may be lost when the time stamp token is stored, or the association with the target data may be lost when the storage ID is issued.

By the way, some user terminal devices assign a time stamp token to an electronic file, that is, embed the time stamp token in the electronic file and store it as one file. There is a concern that the association between the electronic file and the time stamp token will be impaired, so that general users cannot easily extract the time stamp token from the electronic file except when necessary such as at the time of verification. In this case, the association between the electronic file and the time stamp token is not impaired, but the time stamp token given to the electronic file cannot be extracted from the electronic file when it is deposited in the time stamp storage institution.

Further, each electronic file may be issued with each time stamp token by performing time authentication at different dates and times, and two or more time stamp tokens may be given to one electronic file. In this case, since the unique information such as the file name of the original electronic file is common to two or more time stamp tokens, the unique information of the electronic file cannot be used as it is for the identification and management of the time stamp token. , The identification and management of two or more timestamp tokens becomes even more difficult. An electronic file may be composed of a bag file to which one or more attached files are attached in addition to its own electronic data. In an electronic file as a bag file, a time stamp token may be given to the electronic file itself, and a time stamp token may be given to the attached file. In this case, the number of time stamp tokens is large, which makes identification and management more difficult.

The present invention has been made in view of, for example, the above-mentioned problems, and an object of the present invention is to provide a program and a time stamp management device that enable easy and appropriate deposit of time stamp tokens in a time stamp storage organization. It is in.

In order to solve the above problem, the first program of the present invention monitors the monitoring folder that stores the managed file to be managed by the time stamp, and detects the managed file from the monitoring folder. Which time stamp token is extracted from the two or more time stamp tokens when the unit and the managed file to which two or more time stamp tokens are assigned are detected from the monitoring folder by the monitoring unit. The extraction mode for extracting at least one time stamp token from the managed file based on the set extraction mode, and at least one time stamp extracted by the extraction unit. The computer functions as a time stamp management device including a generation unit that generates a token file of at least one time stamp based on the token and stores it in a predetermined output folder.

Further, in order to solve the above problem, the first time stamp management device of the present invention monitors the monitoring folder which is the storage destination of the management target file to be managed by the time stamp, and the management target is managed from the monitoring folder. When a monitoring unit that detects a file and a managed file to which two or more time stamp tokens are assigned are detected from the monitoring folder by the monitoring unit, any time stamp from the two or more time stamp tokens is used. An extraction mode for extracting tokens can be set, and an extraction unit that extracts at least one time stamp token from the managed file based on the set extraction mode and an extraction unit extracted by the extraction unit. It is characterized by including a generation unit that generates a token file of at least one time stamp based on at least one time stamp token and stores it in a predetermined output folder.

For example, in the second program or the second time stamp management device of the present invention, the extraction unit is characterized in that, as the extraction mode, all of the two or more time stamp tokens are to be extracted.

Further, in the third program or the third time stamp management device of the present invention, the extraction unit sets the extraction mode to extract the latest time stamp token among the two or more time stamp tokens. It is characterized by that.

Further, in the fourth program or the fourth time stamp management device of the present invention, the extraction unit sets the extraction mode to extract the oldest time stamp token among the two or more time stamp tokens. It is characterized by doing.

According to the first to fourth programs and the first to fourth time stamp management devices of the present invention, even when two or more time stamp tokens are given to the managed file, the extraction mode is set by the user or the like. By setting, it is possible to select which time stamp token is to be extracted. Therefore, it is possible to improve the convenience of extracting the time stamp token and prevent the token file of the time stamp token that is not intended by the user from being deposited in the time stamp storage institution. In particular, it is possible to improve the convenience of extracting time stamp tokens and managing token files for a large number of managed files. In addition, since the generated token file is automatically stored in the output folder, the user can easily and appropriately deposit the token file in the time stamp storage organization without making a mistake in the storage location of the token file. And the time stamp storage service can be easily used. Further, the user can easily and appropriately manage the managed file due to the easy and appropriate management of the token file.

In order to solve the above problems, in the fifth program or the fifth time stamp management device of the present invention, the generation unit is in chronological order in which the two or more time stamp tokens are assigned to the managed file. Based on the item number of, the file name consisting of the name common to the two or more time stamp tokens and the item number of each time stamp token is assigned to each token file of the two or more time stamp tokens. It is characterized by giving to.

Further, in the sixth program or the sixth time stamp management device of the present invention, the generation unit has a name common to the two or more time stamp tokens and time information at the time of generation of each time stamp token. It is characterized in that a file name consisting of is given to each token file of the two or more time stamp tokens.

According to the fifth to sixth programs and the fifth to sixth time stamp management devices of the present invention, different file names can be reliably assigned to the token files of two or more time stamp tokens. , These token files can be saved in the same output folder. Further, in the output folder, these token files can be arranged in chronological order by arranging them in ascending order, and the convenience of managing the token files can be further improved.

In order to solve the above problems, in the seventh program or the seventh time stamp management device of the present invention, the generation unit is in chronological order in which the two or more time stamp tokens are assigned to the managed file. Create a subfolder of the folder name consisting of the name common to the two or more time stamp tokens and the item number of each time stamp token in the output folder based on the item number of the above two or more. Each token file of the time stamp token of is stored in the corresponding subfolder.

According to the seventh program of the present invention and the seventh time stamp management device, different folder names can be reliably assigned to the subfolders that store the token files of two or more time stamp tokens. , These subfolders can be saved in the same output folder. Further, in the output folder, these subfolders can be arranged in chronological order by arranging them in ascending order, and the convenience of managing subfolders, that is, managing token files can be further improved.

According to the present invention, the program and the time stamp management device make it possible to easily and appropriately deposit the time stamp token into the time stamp storage organization.

It is a block diagram which shows the structure of the time stamp system provided with the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention. It is explanatory drawing which shows an example of the managed file which is an electronic file. It is explanatory drawing which shows another example of the managed file which is an electronic file. It is explanatory drawing which shows the example of the managed file which is a bag file. It is a table which shows the transition of the management target file in the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention. It is a table which shows the token file of the time stamp token or the folder name of the storage destination about the managed file in the terminal device as the time stamp management device which concerns on embodiment of this invention. In the terminal device as the time stamp management device according to the embodiment of the present invention, it is a table which shows the token file of the time stamp token or the folder name of the storage destination about the management target file as a bag file. It is a top view which shows an example of the main screen displayed on the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention. It is a top view which shows the other example of the main screen displayed on the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention. FIG. 5 is a plan view showing an example of a monitoring setting tab of an environment setting screen displayed on a terminal device as a time stamp management device according to an embodiment of the present invention. It is a top view which shows the example of the extraction setting tab of the environment setting screen displayed on the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention. It is a flowchart which shows the operation example of the time stamp management in the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention. It is a flowchart which shows the operation example of the time stamp token addition in the terminal apparatus as the time stamp management apparatus which concerns on embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The following embodiments are preferred specific examples of the present invention and disclose various preferred techniques, but the technical scope of the present invention is not limited to these embodiments.

The time stamp system 1 provided with the terminal device 6 as the time stamp management device according to the embodiment of the present invention will be described with reference to FIG. As shown in FIG. 1, the time stamp system 1 includes a time stamp token issuing server (TST issuing server) 2, a time distribution server 3, an electronic authentication management server 4, a time stamp token storage server (TST storage server) 5, and a terminal device. It has a 6. These are connected to each other so as to be able to communicate with each other via a network 7 such as the Internet. In the following, for convenience of explanation, the time stamp token 33 (see FIG. 2) may be referred to as “TST”.

In the present embodiment, the electronic file subject to time stamp management by the terminal device 6 as the time stamp management device is referred to as a management target file 31 (see FIG. 2). The management target file 31 includes electronic data 32 such as document data, image data, moving image data, and audio data, and is composed of, for example, a PDF file or the like.

As shown in FIG. 2, the managed file 31 can be given a time stamp token 33 based on the hash value 34 of the electronic data 32 in order to prove the existence or integrity of the electronic data 32. That is, the time stamp token 33 can be embedded in the managed file 31 to form one file. The time stamp token 33 includes, for example, a hash value 34, a time information 35 indicating the issuance time of the time stamp token 33, an electronic signature 36 for the hash value 34, the time information 35, and the like, and an electronic signature 36 for verifying. The digital certificate 37 and the like are included. As shown in FIG. 3, one or more time stamp tokens 33 issued at different times can be attached to the managed file 31. The target of the electronic signature 36 may include data other than the hash value 34 and the time information 35.

Further, as shown in FIG. 4, the management target file 31 is composed of a bag bag file (for example, a bag bag PDF (registered trademark) file) to which one or more attachment files 41 are attached in addition to the electronic data 32. Some are done. In the managed file 31 as a package file, the managed file 31 itself is based on the hash value of the total data including the electronic data 32 of the managed file 31, the electronic data 42 of each attached file 41, and the time stamp token 43. (Whole) time stamp token 33 can be given. Hereinafter, the hash value 34 of the electronic data 32 of the management target file 31 indicates the hash value of the above-mentioned comprehensive data when the management target file 31 is a bagging file.

For example, in FIG. 4, the managed file 31 of the “XX specification” composed of the PDF file of the packaging bag is composed of the attached file 41 of the “XX design document” composed of the PDF file and the PDF file. The attached file 41 of the "○○ evaluation report" is included. The managed file 31 includes the electronic data 32 of the “XX specifications”. Further, the managed file 31 includes the electronic data 42 and the time stamp token 43 of the attachment file 41 of the “○○ design document” and the electronic data 42 and the time stamp token 43 of the attachment file 41 of the “○○ evaluation report”. It is included. Further, the managed file 31 includes a time stamp token 33 of the managed file 31 itself.

The TST issuing server 2 is provided in the time authentication organization (TSA) and issues the time stamp token 33 given to the managed file 31. Specifically, the TST issuing server 2 receives the issuance request of the hash value 34 of the electronic data 32 and the time stamp token 33 included in the managed file 31 from the terminal device 6 via the network 7. The TST issuing server 2 generates time information 35 indicating the issuance time of the time stamp token 33 based on the time delivered from the time distribution server 3 in response to the issuance request of the time stamp token 33.

Then, the TST issuing server 2 generates the time stamp token 33 including the hash value 34 and the time information 35 described above. Further, the TST issuing server 2 generates an electronic signature 36 by encrypting the combined data of the hash value 34 and the time information 35 and the like with a predetermined private key, and adds the electronic signature 36 to the time stamp token 33. .. The time stamp token 33 also includes an electronic certificate 37 issued by the electronic authentication management server 4 for the public key paired with the private key. Then, the TST issuing server 2 transmits the time stamp token 33 to the terminal device 6 that has transmitted the request for issuing the time stamp token 33.

The time distribution server 3 is provided in the time distribution organization (TAA), distributes the time to the TST issuing server 2 of the time authentication organization, and audits the clock of the TST issuing server 2.

The electronic authentication management server 4 is provided in an electronic authentication organization (CA) and issues and revokes an electronic certificate. Specifically, when the electronic authentication management server 4 receives the public key and the issuance request of the electronic certificate from the TST issuing server 2, the electronic authentication management server 4 generates an electronic certificate for the public key and transmits the electronic certificate to the TST issuing server 2. The digital certificate includes the corresponding public key.

The TST storage server 5 is provided in the time stamp storage organization and stores the time stamp token 33. Specifically, when the TST storage server 5 receives a time stamp token file (hereinafter, referred to as a token file) including the time stamp token 33 and a storage request thereof from the terminal device 6 via the network 7, the token is received. Save the file. When the TST storage server 5 receives the token file transmission (download) request from the terminal device 6 via the network 7, the TST storage server 5 transmits a copy of the token file to the terminal device 6 that has made the transmission request.

The terminal device 6 is a terminal such as a personal computer used by the user as a time stamp management device. The terminal device 6 includes an arithmetic processing unit 11, a storage unit 12, a communication unit 13, an operation unit 14, a display unit 15, and an input / output unit 16.

The arithmetic processing unit 11 is composed of, for example, a CPU (Central Processing Unit). The storage unit 12 includes, for example, a main storage device such as a semiconductor storage device and an auxiliary storage device such as a magnetic storage device. The communication unit 13 is a communication control circuit for communicating with an external device via the network 7. The operation unit 14 is composed of, for example, a keyboard, a pointing device, and the like. The display unit 15 is, for example, a display device such as a display. The input / output unit 16 is an interface that connects to an external storage device such as a USB (universal serial bus) memory or another device such as an optical disk drive device to input / output data to / from another device.

Further, the terminal device 6 includes a monitoring condition setting unit 21, a folder monitoring unit (monitoring unit) 22, a managed file determination unit (determination unit) 23, a time stamp token granting unit (TST granting unit, granting unit) 24, and an extraction condition. It has functional units such as a setting unit 25, a time stamp token extraction unit (TST extraction unit, extraction unit) 26, a token file generation unit (generation unit) 27, a log recording unit 28, a display control unit 29, and a token file deposit unit 30. .. These functional units may be composed of a program stored in the storage unit 12 and executed by the arithmetic processing unit 11. That is, the storage unit 12 stores a program for operating the computer as a time stamp management device provided with these functional units. In other words, the arithmetic processing unit 11 and the storage unit 12 constitute a control device for the time stamp management device.

The monitoring condition setting unit 21 sets various monitoring conditions when the folder monitoring unit 22 performs folder monitoring. For example, the monitoring condition setting unit 21 has, as monitoring conditions, a monitoring folder that is a storage destination of the management target file 31 that is the target of time stamp management, a completion folder that is a storage destination of the management target file 31 that has completed monitoring, and a new one. The grant folder that stores the managed file 31 to which the time stamp token 33 is attached, the output folder that stores the token file of the time stamp token 33 extracted from the managed file 31, and the time stamp management (time stamp token 33). It is possible to specify an error folder to be a storage destination of the managed file 31 in which an error is detected at the time of extraction or assignment. FIG. 5 shows a transition in which the managed file 31 is stored in each folder. The monitoring condition setting unit 21 uses any storage area available in the terminal device 6 as these folders, such as the storage unit 12 of the terminal device 6 and other devices connected to the input / output unit 16. You may.

The monitoring condition setting unit 21 may set different folders as the monitoring folder, the completion folder, the output folder, the grant folder, and the error folder, and if the same folder is specified, an error output may be performed. The managed file 31 is identified from other electronic files by being stored in the monitoring folder, completion folder, grant folder or error folder, and the token file is identified from other electronic files by being stored in the output folder. NS.

The monitoring condition setting unit 21 can select either a move mode for moving to the completed folder or a delete mode for deleting as the post-processing mode regarding the post-processing method of the managed file 31 for which monitoring has been completed. That is, after the monitoring is completed, the managed file 31 as the original file is moved to the completed folder and deleted when the move mode is selected (when the post-processing mode setting unit 70 in FIG. 10 is not checked). When the mode is selected (when the post-processing mode setting unit 70 in FIG. 10 is checked), the mode is deleted.

Further, the monitoring condition setting unit 21 manages a management target having the same name as a duplicate processing mode regarding a processing method when an existing file having the same name as the managed file 31 for which monitoring has been completed exists in the completion folder or the grant folder. You can select either an overwrite mode that overwrites the file 31 or a delete mode that does not overwrite (delete) the managed file 31. As described above, after the monitoring is completed, the storage destination of the management target file 31 as the original file is the completion folder, and the storage destination of the management target file 31 to which the time stamp token 33 is given is the grant folder. Here, an existing file with the same name may exist in the storage destination. At this time, when the overwrite mode is selected for the managed file 31 (original file or file to which the time stamp token 33 is attached) for which monitoring has been completed (when the duplicate processing mode setting unit 71 in FIG. 10 is checked). When the existing file is overwritten and the deletion mode is selected (when the duplicate processing mode setting unit 71 in FIG. 10 is not checked), the existing file is deleted and the existing file is left.

Further, the monitoring condition setting unit 21 has, as the granting mode regarding the method of granting the time stamp token 33 when the time stamp token 33 can be extracted from the managed file 31, a mode in which the time stamp token 33 is not granted and a normal mode in which the time stamp token 33 is not granted. It is possible to select one of the normal grant modes in which the time stamp token 33 of the above is additionally granted.

The monitoring condition setting unit 21 can set one or more (for example, 10) different monitoring patterns for each folder and each mode combination described above. In addition, the monitoring condition setting unit 21 can set a monitoring execution flag for whether or not to execute monitoring for each monitoring pattern. The monitoring condition setting unit 21 may set different monitoring folders for each monitoring pattern, and output an error when the same monitoring folder is specified between the monitoring patterns. Further, the monitoring condition setting unit 21 may set different folders for each monitoring pattern for the completion folder, the grant folder, the output folder, and the error folder, or may set the same folder between the monitoring patterns.

In addition, the monitoring condition setting unit 21 has a monitoring interval (time) for monitoring the monitoring folder and a monitoring status (for example, stopped, monitoring, time stamp extraction, time stamp assignment, etc.) common to each monitoring pattern. You can set the status confirmation interval (time) to confirm. The monitoring interval is the interval from processing the last file in the monitoring folder of all monitoring patterns to starting the next monitoring.

Further, the monitoring condition setting unit 21 can select whether or not to record the processing result of the time stamp management in the log, which is common to each monitoring pattern. The monitoring condition setting unit 21 is a log folder that is an output destination of the recorded log file (for example, a text file in which the extraction result, grant result, error status, etc. of the time stamp token 33 for each management target file 31 are written). Can be set.

The folder monitoring unit 22 monitors the monitoring folder according to each monitoring condition set by the monitoring condition setting unit 21. Specifically, the folder monitoring unit 22 monitors the monitoring folder at each monitoring interval for the monitoring pattern for which the monitoring execution flag is turned on, and detects the managed file 31 existing in the monitoring folder.

The management target file determination unit 23 analyzes the management target file 31 detected by the folder monitoring unit 22 and determines whether or not the time stamp token 33 has already been assigned to the management target file 31.

The TST granting unit 24 newly grants the time stamp token 33 to the managed file 31 determined to be the grant target among the managed files 31 detected by the folder monitoring unit 22. The management target file 31 to be granted is determined based on the determination result of the management target file determination unit 23 and the grant mode set by the monitoring condition setting unit 21. For example, if the managed file 31 to which the time stamp token 33 is not assigned is determined to be granted, and the grant mode is the normal grant mode even for the managed file 31 to which the time stamp token 33 is assigned. Judged as a grant target.

Specifically, the TST granting unit 24 calculates the hash value 34 based on the electronic data 32 of the managed file 31, and requests the issuance of the hash value 34 and the time stamp token 33 to the communication unit 13 and the network 7. It is transmitted to the TST issuing server 2 via. Then, the TST granting unit 24 receives the time stamp token 33 corresponding to the issuance request from the TST issuing server 2 via the network 7 and the communication unit 13, and newly grants the time stamp token 33 to the managed file 31.

The original managed file 31 before the time stamp token 33 is given by the TST granting unit 24 is moved from the monitoring folder to the completion folder and stored, and the managed file 31 newly given the time stamp token 33 is the original. It is stored in the monitoring folder instead of the managed file 31 of. Therefore, only the management target file 31 to which the time stamp token 33 is assigned is stored in the monitoring folder after the grant process by the TST granting unit 24. Further, the managed file 31 when an error occurs in the granting process by the TST granting unit 24 is moved from the monitoring folder to the error folder and stored.

The grant process by the TST granting unit 24 may be performed at the timing when the determination process by the management target file determination unit 23 is completed for each management target file 31, or the determination process is performed for each monitoring pattern, that is, for each monitoring folder. May be performed at the timing when the above is completed, or all monitoring patterns, that is, the timing when the determination processing of all monitoring folders is completed may be performed.

The extraction condition setting unit 25 sets various extraction conditions when the TST extraction unit 26 extracts the time stamp token 33 from the managed file 31. For example, the extraction condition setting unit 25 sets an extraction mode as an extraction condition regarding which time stamp token 33 is to be extracted when two or more time stamp tokens 33 are assigned to the managed file 31. can do. The managed file 31 to which two or more time stamp tokens 33 are assigned may be a managed file 31 that has not been granted by the TST granting unit 24, and may be managed by the TST granting unit 24. The target file 31 may be used.

The extraction mode includes, for example, the oldest extraction mode for extracting the oldest time stamp token 33 among two or more time stamp tokens 33, and the latest time stamp token 33 among two or more time stamp tokens 33. There is a latest extraction mode for extracting, and a total extraction mode for extracting all the time stamp tokens 33 among two or more time stamp tokens 33.

Further, the extraction condition setting unit 25 can set a file naming mode related to the file name naming method of the token file of the time stamp token 33 as the extraction condition. The token file of the time stamp token 33 is given a file name related to the managed file 31 so that the correspondence with the managed file 31 can be identified, and has a different extension from the managed file 31 and is a token file. An extension that can be identified as, for example, ".TST" is added.

For example, the file naming mode includes a normal mode in which the same file name as the managed file 31 is given to the token file of the time stamp token 33. The normal mode is the oldest extraction mode as the above extraction mode when one time stamp token 33 is given to the managed file 31 or two or more time stamp tokens 33 are given to the managed file 31. Or when the latest extraction mode is set, that is, when one time stamp token 33 is extracted from the managed file 31. Further, in the normal mode, when the managed file 31 is a packaging file, the token file of the time stamp token 43 of the attached file 41 is a file composed of the file name of the managed file 31 and the file name of the attached file 41. Name is given. In the file name of this token file, the file name of the managed file 31 and the file name of the attached file 41 are identified by being connected by symbols such as underscores and hyphens, or by indicating either of them in parentheses. Will be done.

Further, when the all extraction mode is set as the above extraction mode, a file that assigns a file name so that each token file of two or more time stamp tokens 33 for one managed file 31 can be identified. The naming mode is set.

For example, in the file naming mode in the all extraction mode, two or more time stamps are stamped based on the item numbers (serial numbers) in which two or more time stamp tokens 33 are assigned to the managed file 31 in chronological order. A file name common to tokens 33 (for example, the file name of the managed file 31) and a file name consisting of the item number of each time stamp token 33 are given to each token file of two or more time stamp tokens 33. There is an item number addition mode. As an example, FIG. 6 shows an example of a file name given to the token file of each time stamp token 33 when the item number addition mode is set for the managed file 31 shown in FIG.

Further, in the item number addition mode, when the managed file 31 is a packaging file, the token file of the time stamp token 43 of the attached file 41 includes the file name of the managed file 31 and the file name of the attached file 41, respectively. A file name consisting of the item number of the time stamp token 43 is given. As an example, for the managed file 31 as a bag file shown in FIG. 4, the file names given to the token files of each time stamp token 33 and each time stamp token 43 when the item number addition mode is set. An example is shown in FIG.

Further, in the file naming mode in the all extraction mode, a name common to two or more time stamp tokens 33 (for example, the file name of the managed file 31) and time information 35 at the time of generation of each time stamp token 33 are used. There is a time addition mode in which a file name consisting of is given to each token file of two or more time stamp tokens 33. As an example, FIG. 6 shows an example of a file name given to the token file of each time stamp token 33 when the time addition mode is set for the managed file 31 shown in FIG.

Further, in the time addition mode, when the managed file 31 is a packaging file, the token file of the time stamp token 43 of the attached file 41 includes the file name of the managed file 31, the file name of the attached file 41, and each time. A file name consisting of time information 35 at the time of generation of the stamp token 43 is given. As an example, for the managed file 31 as the packaging file shown in FIG. 4, an example of the file name given to the token file of each time stamp token 33 and each time stamp token 43 when the time addition mode is set. Is shown in FIG.

Further, in the file naming mode in the all extraction mode, two or more time stamps are stamped based on the item numbers (serial numbers) in which two or more time stamp tokens 33 are assigned to the managed file 31 in chronological order. Create a subfolder of the folder name consisting of the name common to the tokens 33 (for example, the file name of the managed file 31) and the item number of each time stamp token 33 in the output folder, and create two or more time stamp tokens 33. There is a subfolder mode that stores each of the token files in the corresponding subfolder. In the subfolder mode, the file name of the token file is given in the normal mode. As an example, when the subfolder mode is set for the managed file 31 shown in FIG. 3, an example of the subfolder name of the token file of each time stamp token 33 is shown in FIG.

Further, in the subfolder mode, when the managed file 31 is a packaging file, the file name of the managed file 31, the file name of the attached file 41, and each time stamp token are stored in the subfolder of the time stamp token 43 of the attached file 41. A file name consisting of 43 item numbers is assigned. As an example, when the subfolder mode is set for the managed file 31 as the bagging file shown in FIG. 4, an example of the subfolder name of the token file of each time stamp token 33 and each time stamp token 43 is shown in FIG. show.

Further, the extraction condition setting unit 25 generates a token file with the same name and overwrites the existing file as a duplicate processing mode regarding the processing method when an existing file with the same name exists in the output folder when the token file is generated. It is possible to select either an overwrite mode in which the file is overwritten or an error mode in which the corresponding managed file 31 is moved to the error folder without generating the token file.

The extraction condition setting unit 25 can set the combination of the above-mentioned modes for each monitoring pattern of the monitoring condition setting unit 21.

The TST extraction unit 26 extracts the time stamp token 33 from the managed file 31 stored in the monitoring folder according to the extraction condition (extraction mode) set by the extraction condition setting unit 25. For example, when one time stamp token 33 is assigned to the managed file 31, the TST extraction unit 26 extracts the time stamp token 33 from the managed file 31 regardless of the extraction mode. On the other hand, when two or more time stamp tokens 33 are assigned to the managed file 31, the TST extraction unit 26 starts from the managed file 31 according to the extraction mode set in the monitoring pattern corresponding to the monitoring folder. Extract at least one time stamp token 33.

Regarding the management target file 31 after the time stamp token 33 is extracted by the TST extraction unit 26, the management target file 31 that has not been given is moved from the monitoring folder to the completion folder and stored, and the management target that has been given processing. The file 31 is moved from the monitoring folder to the grant folder and stored. Further, when an error occurs in the extraction process by the TST extraction unit 26 (for example, when the time stamp token 33 is not assigned), the managed file 31 is moved from the monitoring folder to the error folder and stored.

When the extraction process by the TST extraction unit 26 is performed for each managed file 31, the management target file determination unit 23 performs the determination process for the managed file 31 that has not been assigned by the TST assignment unit 24. On the other hand, the managed file 31 for which the granting process has been performed may be performed at the timing when the granting process is completed. Alternatively, the extraction process may be performed for each monitoring pattern, that is, at the timing when the determination process and the assignment process are completed for each monitoring folder, or at the timing when the determination process and the assignment process for all the monitoring patterns are completed. good.

The token file generation unit 27 generates a token file based on the time stamp token 33 extracted by the TST extraction unit 26 and stores it in the output folder. The token file is configured to include, for example, the time stamp token 33.

The token file generation unit 27 determines the file name of the token file according to the extraction conditions (file naming mode) set by the extraction condition setting unit 25. For example, when only one time stamp token 33 is extracted from the managed file 31, the token file generation unit 27 determines the file name in the normal mode. On the other hand, when two or more time stamp tokens 33 are extracted from the managed file 31, the token file generation unit 27 determines the file name or folder name in the item number addition mode, time addition mode, or subfolder mode.

The generation process by the token file generation unit 27 may be performed at the timing when the extraction process by the TST extraction unit 26 is completed for each managed file 31, or the extraction process is performed for each monitoring pattern, that is, for each monitoring folder. It may be performed at the timing when it is completed, or it may be performed at the timing when the extraction process of all monitoring patterns is completed.

The log recording unit 28 records the processing result of the time stamp management in the log file according to the monitoring conditions set by the monitoring condition setting unit 21, and stores it in the set log folder. The log recording unit 28 may record a log for each management target file 31 for each process by the TST granting unit 24, the TST extraction unit 26, and the token file generation unit 27.

The display control unit 29 controls each unit of the terminal device 6 so that the display unit 15 displays the execution screen of each program such as a program (time stamp management program) that causes the computer to function as the time stamp management device.

For example, the display control unit 29 causes the display unit 15 to display the main screen 50 (see FIGS. 8 and 9) when the time stamp management program is executed in the terminal device 6. On the main screen 50, the monitoring status (for example, stopped, monitoring, time stamp extraction, time stamping, etc.), monitoring start time, and monitoring end time are displayed. Further, the main screen 50 includes a monitoring start button 51, a monitoring stop button 52, and an environment setting button 53, and items having the same functions as these buttons may be displayed on the menu bar. Monitoring is started in response to the operation of the monitoring start button 51, and monitoring is stopped in response to the operation of the monitoring stop button 52. For example, FIG. 8 shows the main screen 50 when the monitoring status is stopped, and FIG. 9 shows the main screen 50 when the monitoring status is being monitored.

Further, the display control unit 29 causes the display unit 15 to display the environment setting screen 60 (see FIGS. 10 and 11) in response to the operation of the environment setting button 53 on the main screen 50. On the environment setting screen 60, the monitoring setting tab 61 for setting the monitoring conditions and the extraction setting tab 62 for setting the extraction conditions are displayed in a switchable manner. As shown in FIG. 10, on the monitoring setting tab 61, a monitoring pattern tab 63 for setting monitoring conditions for each one or more monitoring patterns is displayed in a switchable manner, that is, displayed on each monitoring pattern tab 63. The monitoring conditions for each monitoring pattern can be set according to the input operation of the setting items.

For example, in the monitoring pattern tab 63 of the monitoring setting tab 61, the monitoring execution setting unit 64 is displayed by a check box or the like in order to set the above-mentioned monitoring execution flag as the monitoring condition of the corresponding monitoring pattern. Further, in the monitoring pattern tab 63, in order to specify the above-mentioned monitoring folder, completion folder, grant folder, output folder, and error folder, the monitoring folder designation unit 65 is completed by the input box, the start button of the folder selection dialog, or the like. The folder designation section 66, the output folder designation section 67, the grant folder designation section 68, and the error folder designation section 69 are displayed, respectively. Further, in order to set the post-processing mode, the duplicate processing mode, and the assigning mode on the monitoring pattern tab 63, the post-processing mode setting unit 70, the duplicate processing mode setting unit 71, and the assigning mode are provided by a check box, an option button, or the like. The mode setting units 72 are displayed respectively.

Further, on the monitoring setting tab 61, a monitoring interval setting unit 73 and a status confirmation interval setting unit 74 are displayed in order to set the above-mentioned monitoring interval and status confirmation interval, which are common to each monitoring pattern. Further, on the monitoring setting tab 61, the log execution setting unit 75 is displayed to set whether or not to record the above-mentioned log, and the log folder specification unit 76 is displayed to specify the above-mentioned log folder. ..

As shown in FIG. 11, on the extraction setting tab 62 of the environment setting screen 60, a monitoring pattern tab 77 for setting extraction conditions for each one or more monitoring patterns is displayed in a switchable manner, that is, each monitoring pattern. The extraction conditions for each monitoring pattern can be set according to the input operation of the setting items displayed on the tab 77. The monitoring pattern tab 77 on the extraction setting tab 62 sets each condition for the same monitoring pattern as the monitoring pattern tab 63 on the monitoring setting tab 61.

For example, in the monitoring pattern tab 77 of the extraction setting tab 62, the extraction mode setting unit 78 is displayed by an option button or the like in order to set the above-mentioned extraction mode as the extraction condition of the corresponding monitoring pattern, and the above-mentioned In order to set the file naming mode, the file naming mode setting unit 79 is displayed by an option button or the like. Further, on the monitoring pattern tab 77, the duplicate processing mode setting unit 80 is displayed by a check box or the like in order to set the duplicate processing mode described above.

The token file deposit unit 30 deposits the token file stored in the above-mentioned output folder or subfolder in the TST storage server 5 of the time stamp storage organization. Specifically, the token file deposit unit 30 transmits the token file to be deposited and the storage request thereof to the TST storage server 5 via the communication unit 13 and the network 7. The token file deposit unit 30 may specify the token file to be deposited from the token files stored in each output folder or each subfolder, or each output by designating each output folder or each subfolder. All token files stored in a folder or each subfolder may be deposited, or all token files stored in all output folders and subfolders can be deposited without specifying an output folder or subfolder. It may be the target of.

The token file deposit unit 30 transmits (downloads) the token file or a copy thereof stored in the TST storage server 5 to the terminal device 6, via the network 7 and the communication unit 13, the TST storage server 5 You can also send a request to send (download) a token file to.

Next, the time stamp management by the terminal device 6 as the time stamp management device of the present embodiment, that is, the operation of the time stamp management program will be described with reference to FIG. 12 and the like.

When the time stamp management program is executed in the terminal device 6, the main screen 50 is displayed on the display unit 15. In response to the operation of the monitoring start button 51 on the main screen 50, the time stamp management program starts monitoring the managed file 31 in the monitoring folder according to the monitoring conditions (step S1). It is assumed that the monitoring conditions have already been set according to the convenience of the user. Further, one or more monitoring patterns will be managed in order, but one monitoring pattern will be described below, that is, the monitoring pattern will be described without being specified. While the monitoring status of the time stamp management program is being monitored, the folder monitoring unit 22 monitors whether or not the managed file 31 exists in the monitoring folder at each monitoring interval.

If the managed file 31 is not stored in the monitored folder and the managed file 31 in the monitored folder is not detected (step S2: NO), the monitoring process by the folder monitoring unit 22 is repeated. Further, when the monitoring status of the time stamp management program is stopped by the operation of the monitoring stop button 52 on the main screen 50 (step S3: YES), the monitoring process by the folder monitoring unit 22 is terminated.

On the other hand, when the user stores the managed file 31 in the monitored folder, the folder monitoring unit 22 detects the managed file 31 in the monitored folder (step S2: YES).

At this time, the management target file determination unit 23 determines whether or not the time stamp token 33 has already been assigned to each of the detected management target files 31 (step S4).

As a result of the determination by the management target file determination unit 23, the management target file 31 to which the time stamp token 33 has not been assigned (step S4: NO) is determined to be an grant target, and the grant process by the TST granting unit 24 (step S6). Move to.

Further, the managed file 31 to which the time stamp token 33 is assigned (step S4: YES) is determined to be the grant target when the monitoring condition grant mode is the normal grant mode (step S5: YES). , The process proceeds to the granting process (step S6) by the TST granting unit 24.

On the other hand, the managed file 31 to which the time stamp token 33 is assigned (step S4: YES) is determined not to be granted if the monitoring condition grant mode is the non-grant mode (step S5: NO). Then, the process proceeds to the extraction process (step S7) by the TST extraction unit 26.

The granting process (step S5) by the TST granting unit 24 will be described with reference to the flowchart of FIG. Regardless of whether or not the time stamp token 33 has been assigned to the original managed file 31, the managed file 31 to be granted is stored in the monitoring folder. The TST granting unit 24 sequentially extracts the management target file 31 to be granted from the monitoring folder and performs the granting process.

First, the TST granting unit 24 calculates the hash value 34 of the electronic data 32 of the management target file 31 to be granted (step S11), and transmits the hash value 34 and the issuance request of the time stamp token 33 to the TST issuing server 2. (Step S12). As described above, the TST issuing server 2 generates the time stamp token 33 in response to the issuing request and transmits it to the terminal device 6 (step S13).

When the TST granting unit 24 receives the time stamp token 33 from the TST issuing server 2 (step S14), the TST granting unit 24 newly grants the time stamp token 33 to the duplicate file of the managed file 31 to be granted to generate a new managed file 31 (step S14). Step S15). The original managed file 31 is moved from the monitored folder to the completed folder, and the new managed file 31 to which the time stamp token 33 is attached is stored in the monitored folder.

For example, when the time stamp token 33 is not given to the managed file 31 to be granted, the time stamp token 33 generated this time is used as the first time stamp token 33 and is the electronic data of the managed file 31. It is given following 32. Further, when one time stamp token 33 (that is, the first time stamp token 33) has already been given to the managed file 31 to be given, the time stamp token 33 generated this time is the second time stamp token 33. As the time stamp token 33, it is given following the first time stamp token 33 of the managed file 31.

The extraction process (step S7) by the TST extraction unit 26 will be described. Regardless of whether or not the time stamp token 33 has been assigned to the original managed file 31, all the managed files 31 stored in the monitoring folder are to be extracted. The TST extraction unit 26 sequentially extracts the management target file 31 to be extracted from the monitoring folder according to the extraction mode of the extraction condition, extracts the time stamp token 33, and temporarily stores it in the storage unit 12. It is assumed that the extraction mode has already been set according to the convenience of the user. Regarding the managed file 31 after the extraction process, the managed file 31 that has not been granted is moved from the monitoring folder to the completion folder, and the managed file 31 that has been granted is moved from the monitoring folder to the grant folder. ..

Then, the token file generation unit 27 generates a token file based on the time stamp token 33 extracted by the TST extraction unit 26 (step S8), assigns a file name to the token file according to the file naming mode of the extraction condition, and assigns a file name to the token file. Store in the output folder. The time stamp token 33 temporarily stored in the storage unit 12 is deleted.

The user can deposit the token file stored in the output folder into the TST storage server 5 by the token file deposit unit 30 of the terminal device 6, and the TST storage server 5 stores the deposited token file.

As described above, according to the present embodiment, the terminal device 6 as the time stamp management device monitors the monitoring folder that is the storage destination of the management target file 31 that is the target of the time stamp management, and from this monitoring folder. When the folder monitoring unit (monitoring unit) 22 that detects the managed file and the managed file 31 to which two or more time stamp tokens 33 and 43 are assigned are detected from the monitoring folder by the folder monitoring unit 22, two It is possible to set an extraction mode for which time stamp tokens 33, 43 are to be extracted from one or more time stamp tokens 33, 43, and at least one from the managed file 31 based on the set extraction mode. A token file of at least one time stamp is generated based on the TST extraction unit (extraction unit) 26 that extracts the time stamp tokens 33 and 43 and at least one time stamp token 33 and 43 extracted by the TST extraction unit 26. It is provided with a token file generation unit 27 (generation unit) that is stored in a predetermined output folder.

Specifically, in the terminal device 6 as the time stamp management device, the TST extraction unit 26 sets all of the two or more time stamp tokens 33 and 43 as extraction targets. Alternatively, the TST extraction unit 26 sets the extraction mode to extract the latest time stamp tokens 33, 43 among the two or more time stamp tokens 33, 43. Alternatively, the TST extraction unit 26 sets the extraction mode to extract the oldest time stamp tokens 33, 43 among the two or more time stamp tokens 33, 43.

With such a configuration, in the time stamp management device according to the present embodiment, even when two or more time stamp tokens 33 and 43 are given to the managed file 31, the extraction mode is set by the user or the like. Thereby, it is possible to select which time stamp tokens 33 and 43 are to be extracted. Therefore, the convenience of extracting the time stamp tokens 33 and 43 can be improved, and it is possible to prevent the token files of the time stamp tokens 33 and 43 that are not intended by the user from being deposited in the TST storage server 5. In particular, it is possible to improve the convenience of extracting the time stamp tokens 33 and 43 and managing the token files for a large number of managed files 31. Further, since the generated token file is automatically stored in the output folder, the user can easily and appropriately deposit the token file in the TST storage server 5 without making a mistake in the storage location of the token file. And the time stamp storage service can be easily used. Further, the user can easily and appropriately manage the managed file 31 due to the easy and appropriate management of the token file.

Further, in the present embodiment, in the terminal device 6 as the time stamp management device, the token file generation unit 27 has a time series in which two or more time stamp tokens 33 and 43 are assigned to the management target file 31 and the attached file 41. A file name consisting of a name common to two or more time stamp tokens 33 and 43 (for example, the file name of the managed file 31) and the item number of each time stamp token 33 and 43 based on the item numbers in order. Is given to each of the token files of two or more time stamp tokens 33 and 43.

Alternatively, in the present embodiment, in the terminal device 6 as the time stamp management device, the token file generation unit 27 has a name common to two or more time stamp tokens 33 and 43 (for example, the file name of the management target file 31). And, a file name consisting of the time information of each time stamp token 33, 43 is given to each token file of two or more time stamp tokens 33, 43.

With such a configuration, different file names can be reliably assigned to the token files of two or more time stamp tokens 33 and 43, and these token files can be saved in the same output folder. .. Further, in the output folder, these token files can be arranged in chronological order by arranging them in ascending order, and the convenience of managing the token files can be further improved.

Alternatively, in the present embodiment, in the terminal device 6 as the time stamp management device, the token file generation unit 27 has a time series in which two or more time stamp tokens 33 and 43 are assigned to the managed file 31 and the attached file 41. A folder name consisting of a name common to two or more time stamp tokens 33 and 43 (for example, the file name of the managed file 31) and the item number of each time stamp token 33 and 43 based on the item numbers in order. Is created in the output folder, and the token files of two or more time stamp tokens 33 and 43 are stored in the corresponding subfolders.

With such a configuration, different folder names can be reliably assigned to the subfolders that store the token files of two or more time stamp tokens 33 and 43, and these subfolders are saved in the same output folder. can do. Further, in the output folder, these subfolders can be arranged in chronological order by arranging them in ascending order, and the convenience of managing subfolders, that is, managing token files can be further improved.

In the above-described embodiment, the TST extraction unit 26 extracts the time stamp token 33 and the token file generation unit 27 extracts the managed file 31 to which the time stamp token 33 is assigned by the TST granting unit 24. Although an example of generating a token file based on the time stamp token 33 has been described, the token file generation process according to the present invention is not limited to this example. For example, in another embodiment, when the TST granting unit 24 grants the time stamp token 33 to the managed file 31, the time stamp token 33 is temporarily stored in the storage unit 12 and is stored by the TST extraction unit 26. The extraction process may be omitted, and the token file generation unit 27 may generate a token file based on the time stamp token 33 temporarily stored in the storage unit 12. As a result, the extraction process of the time stamp token 33 can be suppressed to the minimum necessary.

In the above-described embodiment, when the time stamp token 33 is given to the managed file 31 by the TST giving unit 24 and then the time stamp token 33 is extracted by the TST extracting unit 26, the original managed file 31 is completed. An example of storing the managed file 31 after granting in the granting folder has been described, but the folder for storing each managed file 31 according to the present invention is not limited to this example. For example, in another embodiment, the original managed file 31 may be stored in a folder before granting other than the above, and the managed file 31 after granting may be stored in the completion folder. As a result, regardless of whether or not the time stamp token 33 is newly assigned by the TST granting unit 24, all the managed files 31 corresponding to the token files can be stored in the completion folder for the convenience of the user. be able to.

In the above-described embodiment, the oldest extraction mode, the latest extraction mode, and the total extraction mode are given as examples as extraction modes when extracting the time stamp tokens 33 and 43 from two or more time stamp tokens 33 and 43. However, the extraction mode is not limited to these examples. Various extraction modes may be selectable so that the time stamp tokens 33 and 43 that can be appropriately used by the user can be extracted. For example, in another example, as the extraction mode, a mode for extracting two oldest and latest time stamp tokens 33, 43 among two or more time stamp tokens 33, 43 may be selectable.

Further, the present invention can be appropriately modified within the scope of claims and within a range not contrary to the gist or idea of the invention that can be read from the entire specification, and a program and a time stamp management device accompanied by such a modification are also the present invention. It is included in the technical idea of.

The present invention can be used for the management and operation of digitized intellectual property-related documents, tax-related documents, medical-related documents, etc., and stores the time stamp token attached to the electronic file in a time stamp storage institution. It can be used as a means for extracting a time stamp token from an electronic file.

1 Timestamp system 2 Timestamp token issuing server (TST issuing server)
3 Time distribution server 4 Electronic authentication management server 5 Time stamp token storage server (TST storage server)
6 Terminal equipment 7 Network 11 Arithmetic processing unit 12 Storage unit 13 Communication unit 14 Operation unit 15 Display unit 16 Input / output unit 21 Monitoring condition setting unit 22 Folder monitoring unit (monitoring unit)
23 Managed file judgment unit (judgment unit)
24 Timestamp token granting section (TST granting section, granting section)
25 Extraction condition setting unit 26 Time stamp token extraction unit (TST extraction unit, extraction unit)
27 Token file generation unit (generation unit)
28 Log recording unit 29 Display control unit 30 Token file deposit unit 31 Managed file 32 Electronic data 33 Time stamp token 34 Hash value 35 Time information 36 Digital signature 37 Digital certificate 41 Attachment 42 Electronic data 43 Time stamp token

Claims (14)

A monitoring unit that monitors the monitoring folder that stores the managed files to be managed by the time stamp and detects the managed files from the monitoring folder.
Extraction of which time stamp token is extracted from the two or more time stamp tokens when a managed file to which two or more time stamp tokens are attached is detected by the monitoring unit from the monitoring folder. An extraction unit that enables the mode to be set and extracts at least one time stamp token from the managed file based on the set extraction mode.
A generation unit that generates a token file of at least one time stamp based on at least one time stamp token extracted by the extraction unit and stores it in a predetermined output folder.
A program for operating a computer as a time stamp management device equipped with. The program according to claim 1, wherein the extraction unit targets all of the two or more time stamp tokens as the extraction mode. The program according to claim 1, wherein the extraction unit targets the latest time stamp token among the two or more time stamp tokens as the extraction mode. The program according to claim 1, wherein the extraction unit targets the oldest time stamp token among the two or more time stamp tokens as the extraction mode. The generation unit has a name common to the two or more time stamp tokens and each time stamp based on the item number in the time series order in which the two or more time stamp tokens are assigned to the managed file. The program according to claim 2, wherein a file name including the item number of the token is given to each token file of the two or more time stamp tokens. The generation unit assigns a file name including a name common to the two or more time stamp tokens and time information at the time of generation of each time stamp token to a token file of each of the two or more time stamp tokens. The program according to claim 2, wherein the program is provided to. The generation unit has a name common to the two or more time stamp tokens and each time stamp based on the item number in the time series order in which the two or more time stamp tokens are assigned to the managed file. A claim characterized in that a subfolder having a folder name consisting of the item number of the token is created in the output folder, and each token file of the two or more time stamp tokens is stored in the corresponding subfolder. The program described in 2. A monitoring unit that monitors the monitoring folder that stores the managed files to be managed by the time stamp and detects the managed files from the monitoring folder.
Extraction of which time stamp token is extracted from the two or more time stamp tokens when a managed file to which two or more time stamp tokens are attached is detected by the monitoring unit from the monitoring folder. An extraction unit that enables the mode to be set and extracts at least one time stamp token from the managed file based on the set extraction mode.
A generation unit that generates a token file of at least one time stamp based on at least one time stamp token extracted by the extraction unit and stores it in a predetermined output folder.
A time stamp management device characterized by being equipped with. The time stamp management device according to claim 8, wherein the extraction unit targets all of the two or more time stamp tokens as the extraction mode. The time stamp management device according to claim 8, wherein the extraction unit targets the latest time stamp token among the two or more time stamp tokens as the extraction mode. The time stamp management device according to claim 8, wherein the extraction unit targets the oldest time stamp token among the two or more time stamp tokens as the extraction mode. The generation unit has a name common to the two or more time stamp tokens and each time stamp based on the item number in the time series order in which the two or more time stamp tokens are assigned to the managed file. The time stamp management device according to claim 9, wherein a file name including the item number of the token is given to each token file of the two or more time stamp tokens. The generation unit assigns a file name including a name common to the two or more time stamp tokens and time information at the time of generation of each time stamp token to a token file of each of the two or more time stamp tokens. The time stamp management device according to claim 9, wherein the time stamp is assigned to. The generation unit has a name common to the two or more time stamp tokens and each time stamp based on the item number in the time series order in which the two or more time stamp tokens are assigned to the managed file. A claim characterized in that a subfolder having a folder name consisting of the item number of the token is created in the output folder, and each token file of the two or more time stamp tokens is stored in the corresponding subfolder. 9. The time stamp management device according to 9.

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