JP2011054190A - Electronic form providing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To safely and certainly provide an electronic form having a prescribed format or the like through a network. <P>SOLUTION: This electronic form providing device includes: a database storing a plurality of pieces of electronic form data each imparted with an electronic signature; a component transmission means receiving a request for the electronic form data from a user, and transmitting a verifying component to a terminal device of the user; and an electronic form data transmission means receiving designation of a desired electronic form from the user, acquiring the corresponding electronic form data from the database, and transmitting them to the terminal device of the user. The verifying component operates inside the terminal device of the user, verifies whether or not the electronic form is changed by use of the electronic signature imparted to the electronic form data received from the electronic form transmission means, and can be used on the terminal device of the user only when the electronic form is not changed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a system for providing electronic form content using a network.

  Conventionally, a form (form document) has been sold for a document whose format or description is predetermined, such as a document to be submitted to a public office. A user who submits a prescribed notification, application, etc. acquires such a paper form, fills in the necessary items, and submits it.

  With the spread of the Internet in recent years, various information can be acquired on the Internet. Therefore, it would be convenient if the above-mentioned form data could be obtained on the Internet web.

  However, when data is transmitted through the Internet, the contents may be altered or changed (hereinafter referred to as “modification”) on the way by the intention of a third party or by some accident. Then, the user will submit a document with an incorrect format or content.

Japanese Patent Laid-Open No. 11-238049 JP 2000-113083 A

  The present invention has been made in view of the above points, and an object thereof is to provide an electronic form having a predetermined format and the like safely and reliably through a network.

  In one aspect of the present invention, in an electronic form providing apparatus, a database for storing a plurality of electronic form data each having an electronic signature and a request for electronic form data are received from a user, and the terminal apparatus of the user is received. Component transmitting means for transmitting a verification component; and electronic form data transmitting means for receiving designation of a desired electronic form from a user, obtaining corresponding electronic form data from the database, and transmitting the electronic form data to the terminal device of the user. The verification component operates within the terminal device of the user, and whether the electronic form has been altered using an electronic signature attached to the electronic form data received from the electronic form transmission means Only if no modification has been made The child form data, characterized in that available at the terminal device of the user.

  According to the electronic form providing apparatus configured as described above, when there is a request from the user, the verification component is transmitted to the terminal device of the user. Also, electronic form data corresponding to the electronic form designated by the user is transmitted to the user's terminal device. In the user terminal device, the verification component uses the electronic signature to verify whether or not the electronic form has been modified, and the electronic form can be used only when there is no modification. Therefore, the user can safely obtain only an appropriate electronic form.

  In one aspect of the above electronic form providing apparatus, each electronic form data stored in the database is attached with a digital certificate related to a given electronic signature, and the digital certificate is the electronic signature of the electronic signature. The verification component includes a key, and verifies whether the electronic form has been altered by decrypting the electronic signature using the key included in the digital certificate. . As a result, the verification component automatically obtains the key from the digital certificate and verifies the electronic signature.

  In another aspect of the electronic form providing apparatus, the verification component includes a digital certificate related to an electronic signature attached to the electronic form data, and the digital certificate includes a key of the electronic signature. The verification component verifies whether the electronic form has been modified by decrypting the electronic signature using the key. As a result, the verification component verifies the electronic signature using the key included therein.

  In another aspect of the electronic form providing apparatus, the component transmission means sends an identification component for determining whether or not the electronic form data is a type of data that requires verification processing by the verification component to the user terminal. The verification component transmits the verification process only to the type of data that requires the verification process. As a result, it is possible to perform a quick display or the like by omitting the verification process of data that does not require verification.

  In another aspect of the electronic form providing apparatus, the component transmitting unit transmits a secondary usage prevention component for preventing secondary usage of electronic form data to the terminal device of the user, and the secondary usage. The prevention component operates in the terminal device of the user, and disables a function of storing the electronic form data of the user terminal device during the display processing of the electronic form data. The secondary use of the transmitted electronic form data is prevented. Thereby, illegal secondary use of the electronic form data once transmitted to the user's terminal device can be prevented.

  In another aspect of the electronic form providing apparatus, the component transmission unit may include an identification component for determining whether the electronic form data is a type of data that requires prevention processing by a secondary usage prevention component. The secondary use prevention component transmits to the terminal, and the secondary use prevention component executes the secondary use prevention process only for the type of data requiring the secondary use prevention process. As a result, it is possible to save data of a type that does not require secondary usage prevention processing to a disk, secondary usage, and the like.

  In another aspect of the electronic form providing apparatus, the electronic form providing apparatus includes means for transmitting the related document data about the electronic form designated by the user to the user's terminal device, and requesting the user's consent to the contents of the related document data, The electronic form transmission means transmits the electronic form data to the user terminal device only when the user's consent is obtained. The invention according to claim 16 is the electronic form providing apparatus according to any one of claims 9 to 14, wherein the related document data for the electronic form designated by the user is sent to the user terminal device through a third party. Means for transmitting and requesting the user's consent to the contents of the related document data, and the electronic form transmitting means transmits the electronic form data only when the user's consent is obtained through the third party. It transmits to a terminal device, It is characterized by the above-mentioned. As a result, the electronic form can be transmitted only when the consent of the contents of the related documents such as the terms and conditions and the agreement clause is obtained.

  In another aspect of the electronic form providing apparatus, the electronic form data transmitting unit verifies whether the electronic form data acquired from the database has been altered using the electronic signature, and the alteration is made. It transmits to the said user's terminal device, only when it is not. This makes it possible to transmit only appropriate electronic form data to the user terminal device.

  In another aspect of the electronic form providing apparatus, the electronic form data transmitting unit verifies whether the electronic form data acquired from the database has been altered using the electronic signature, and the alteration is made. It transmits to the said user's terminal device, only when it is not. This makes it possible to transmit only appropriate electronic form data to the user terminal device.

  In another aspect of the present invention, in the electronic form providing apparatus, a database for storing a plurality of electronic form data each having an electronic signature and a designation of a desired electronic form are received from a user, and the electronic form providing apparatus corresponds to the database. Electronic form data transmitting means for acquiring electronic form data and transmitting it to the terminal device of the user. Thereby, the electronic form data designated by the user can be transmitted to the user terminal device.

  As described above, according to the electronic form distribution system of the present invention, an end user can easily obtain desired electronic form data through the Internet. In addition, the electronic form data is provided with at least the electronic signature of company A, and the end user can decrypt the electronic signature using the verification component and check whether the content is correct. In addition, since the secondary use prevention component is simultaneously transmitted to the user terminal and operated, the unauthorized secondary use of the electronic form by the end user can be prevented.

It is a figure which shows schematic structure of the electronic form delivery system concerning embodiment of this invention. It is a flowchart which shows the electronic form production process by the system of FIG. It is a flowchart which shows the electronic form delivery process by the system of FIG. It is explanatory drawing of the data structure of electronic form data with a signature, and a secondary use prevention function. It is a figure which shows the various patterns of an electronic form production process. It is a figure which shows the outline of the arrival confirmation function by a 3rd engine.

  Preferred embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows a schematic configuration of an electronic form distribution system according to an embodiment of the present invention. As shown in the figure, in this system, a company A server 10, content provider terminal devices 15 and 16, electronic form sales company terminal devices 17 to 19, and an end user terminal 25 are connected via a network 1. The most preferred example of the network 1 is the Internet.

  The content providers B and C are companies that provide electronic form data sources, such as companies that have conventionally sold predetermined application documents, and companies that have knowledge about the format and content of documents. There are many such content providers depending on the type of electronic form, but only two are shown here.

  Company A obtains electronic form data itself or information on the format of such a document from a content provider, and creates and stores electronic form data. The electronic form data is created using the electronic form production system 11. Electronic form data produced by the production system 11 is stored in the database 12. Then, it is read from the database 12 in response to a request from the end user and provided to the end user.

  An electronic form sales company operates a website for providing various electronic forms to end users. Electronic form sales companies can take various forms. For example, the electronic form sales company E has established a website on the Internet with its own name, but its substantive operation is left to the A company. That is, when there is a request from the end user, the electronic form is distributed by following the procedure described below after connecting to the company A server.

  As another form, the electronic form sales company F has established its own website, but the electronic form data itself uses data stored in the database 12 in the company A. That is, when a request from the end user is received, the electronic form data is acquired from the database 12 by connecting to the company A server and transmitted to the end user (or directly transmitted from the company A server to the requesting end user. ).

  As another form, the electronic form sales company G purchases all or a part of the electronic form data in the database 12 of the company A server and stores it in the company database 20 based on a contract with the company A server. Thereby, the providing company G basically performs an electronic form providing service independently.

  An end user terminal 25 is a terminal device used by a user who needs a predetermined electronic form, such as a work terminal device or a personal computer. The terminal device 25 is installed with browser software 26 for connecting to the Internet web and browsing and downloading information.

  Next, processing from when electronic form data is produced until it is distributed to the end user will be described with reference to FIGS. FIG. 2 shows an electronic form data production process, and FIG. 3 shows an electronic form data distribution process.

  First, an electronic form format is provided from the content provider to company A (step S2). Specifically, the content provider delivers a form that has been sold as a paper document to Company A. The electronic form production department of company A uses the electronic form production system 11 to convert the form into data and produces electronic form data (step S4).

  Next, company A sends the created electronic form data to the content provider, and the content provider calibrates it (step S6). Since the content provider knows the rules regarding the format of such a document, the content provider determines whether the electronic form data created by the company A conforms to the rules such as a predetermined format. Specifically, for example, in the case of a predetermined report to an office, application documents, etc., it is checked whether it is created in accordance with a predetermined format, entry items, rules, and the like. If the electronic form is a tax return, for example, a calculation module may be included in the electronic form. In such a case, it is also checked whether the calculation method of the calculation module incorporated in the electronic form data is correct.

  If the electronic form data is correct, the content provider attaches its digital certificate and electronic signature to the electronic form data and sends it back to the company A with the meaning of approval for the electronic form data (step S8). Here, the digital certificate proves that the private key used when the content provider performs an electronic signature is registered in a predetermined certificate authority. Therefore, by attaching the digital certificate, the certificate authority proves that the electronic signature created using the private key belongs to the content provider. The digital certificate includes a public key corresponding to a private key for creating the electronic signature. Therefore, the person who received the digital certificate uses the public key to decrypt the electronic signature of the content provider, and confirms the validity of the signature, that is, whether the content of the signed data has been altered. can do.

  Now, company A receives the digital certificate of the content provider and the electronic form data with the electronic signature, and verifies the signature using the electronic form production system 11 (step S10). That is, it is confirmed that the digital certificate and the electronic signature are surely attached, and then the electronic signature is decrypted by using the public key attached to the digital certificate to confirm whether or not it is correct. Specifically, the electronic signature is decrypted with the public key to obtain a hash value, the hash value is calculated from the original electronic form data, and the two are compared. If the two match, the electronic provider has not modified the electronic form data after the electronic provider has attached the electronic signature to the electronic form data. In other words, the electronic form data must be approved by the content provider. It is confirmed that

  When the verification is completed in this way, the company A gives the digital certificate and the electronic signature of the company A to the electronic form data received from the content provider by the electronic form production system 11 (step S12). This means that company A is convinced of the contents of the electronic form data and guarantees that it is correct. Similarly to the above, the digital certificate is a proof that A company has registered its electronic signature key in a predetermined certificate authority, and includes the public key of the electronic signature. As will be described later, this is used in the verification process by the end user.

  As a result of company A attaching its own digital certificate and electronic signature, the electronic form data has a data structure as shown in FIG. The electronic form submission / distribution server 13 of company A receives the electronic form data in this state (hereinafter also referred to as “signed electronic form data”), and verifies the digital certificate and electronic signature of the content provider and company A. Is performed (step S14). This is done by decrypting the electronic signature using the public key in the digital certificate. If it is confirmed by verification that the electronic form data has not been altered, the signed electronic form data is stored in the database 12 and stored (step S16). Thus, the electronic form data production process is completed.

  The electronic form data production process described above is an example, and can be performed in various other patterns. FIG. 5 shows another pattern of the electronic form production process. In the pattern of FIG. 5A, the content provider creates electronic form data according to its own format information, and provides it to company A with a digital certificate and an electronic signature. The electronic form production section of company A uses the electronic form production system 11 to give the digital certificate and electronic signature of company A to the electronic form data, and sends it to the electronic form submission / distribution server 13. The electronic form submission / distribution server 13 combines the digital signatures of the content provider and the company A, verifies the signature, and stores the signed electronic form data in the database 12 when the verification is correctly performed.

  In the pattern of FIG. 5B, the content provider provides only format information to the company A. The electronic form production department of company A uses the electronic form production system to create electronic form data that conforms to the provided format and requests the content provider to proofread. In this pattern, Company A keeps the digital certificate and digital signature key of the content provider, and when the approval of the content provider is obtained, the digital certificate and digital signature of the content provider are given instead of the content provider. Next, a digital certificate and electronic signature of company A itself are attached to create signed electronic form data, which is sent to the electronic form submission / distribution server 13. The electronic form submission / distribution server 13 performs signature verification in the same manner as described above, and stores it in the database 12.

  In the pattern of FIG. 5C, the content provider provides the format information to company A, and the company A electronic form production department uses the electronic form production system 11 to produce electronic form data, which is approved by the content provider. Then, the data is sent to the electronic form submission / distribution server 13. The electronic form submission / distribution server 13 keeps the digital certificate and digital signature key of the content provider, adds the digital certificate and digital signature of the content provider to the received electronic form data, and further, the digital certificate of company A Certificates and digital signatures are given. Then, it is stored in the database 12 after signature verification.

  Company A or an electronic form sales company provides a service for distributing electronic form data produced in this way to end users. This electronic form data distribution processing will be described with reference to FIG.

  First, the end user accesses the website of the electronic form sales company using the end user terminal 25 and makes a search / acquisition request for the electronic form (step S20). This is done by the end user entering his authentication information (password, etc.). The electronic form sales company performs user authentication processing, and if it is confirmed that the user is a legitimate user, the electronic form sales company accepts the next search, and the electronic form submission / distribution server 13 (hereinafter simply referred to as “distribution server”) 13 ”). The regular user is, for example, a person who has completed registration for billing.

  The distribution server 13 transmits a component for obtaining an electronic form to the requesting end user (step S24). This component consists of a verification component (including public key) for verifying the electronic signature of Company A attached to the signed electronic form data, and a secondary use to prevent secondary use of the electronic form data. Prevention components. The end user receives this component, designates an electronic form to be acquired, and inputs search contents (step S26).

  The electronic form sales company receives the search content and transmits it to the distribution server 13 (step S28). The distribution server 13 searches the database 12 based on the search contents, takes out the electronic form data with the signature of the designated electronic form, and distributes it to the end user directly or through the electronic form sales company (step S30). The distribution server 13 can perform verification again when the designated electronic signature-added electronic form data is extracted. As a result, it is possible to prevent alterations that may occur while being stored in the database 12.

  The end user receives the signed electronic form data and verifies the signature using the verification component received in step S20. The verification component extracts the public key of the electronic signature of company A from the digital certificate of company A attached to the electronic form data with signature, and attaches it to the signed electronic form received using this. The electronic signature of company A is decrypted and the signature is verified (step S32). If the signature is correct, the contents of the electronic form data are correct. On the other hand, if the electronic form data is altered or provided by a company other than Company A, signature verification fails.

  If the signature is correct, the verification component displays the electronic form on the end user terminal 25, and enables the end user to input necessary items, print, and the like (step S34). On the other hand, if the signature is incorrect, an error message is displayed to inform the end user that the electronic form data is incorrect. In this case, the component does not display the electronic form data on the end user terminal device 25 and cannot be used by the end user.

  In this way, the end user can confirm that the electronic form he has received is correct. If the format of the documents submitted to government offices is incorrect, it will be rejected, and if there is an error in the calculation method of the calculation module in the tax return report, etc., the declaration contents will be incorrect, so it was obtained for the end user It is very important to check whether the electronic form is correct. If the electronic form data is not correct, the end user cannot use the data, so that it is possible to prevent the creation and submission of an incorrect document based on the incorrect electronic form data.

  In addition, the secondary use prevention component performs secondary use prevention processing of the provided electronic form. Since such electronic forms are usually provided for a fee, it is necessary to prevent end users from repeatedly using data once downloaded. The secondary use prevention process is performed for this purpose.

  Specifically, the secondary usage prevention component can be a software module that runs on the browser 26 and disables the data storage function of the browser 26 and disables the end user terminal cache function. A WWW browser such as the browser 26 shown in FIG. 1 adds a program module (referred to as a plug-in or the like) as a component in order to support various data formats. Some have a mechanism that can easily add a recognizable and displayable data format without adding. Using such a WWW browser mechanism, a data type representing the electronic form data to be prevented from secondary use is defined, and the electronic form data transmitted to the end user is defined as the data type. In the WWW browser, data is held in an auxiliary storage area (cache area) of the browser in order to quickly display a page once displayed once again. Therefore, the secondary usage prevention component prohibits the writing of the electronic form data transmitted to the end user terminal 25 to the cache area (see FIG. 4B). Since the electronic form data has a specific data type, the secondary usage prevention component does not write the data with the identifier to the cache area, and only performs the display process. Thereby, secondary use of electronic form data can be prevented.

  When the signature verification process and the secondary usage prevention process are completed, the electronic form data is displayed on the screen of the end user terminal 25. The end user fills in the necessary items and prints it as a submitted document (step S32). As described above, the end user can obtain a desired electronic form.

  In addition, when the electronic form data provided by Company A includes electronic form data of a type that does not require verification processing or secondary usage prevention processing by the above-described components, it is necessary to determine whether such processing is necessary. Can be included. For example, the component transmitted to the end user is a verification component, a secondary usage prevention component, and an identification component. When the electronic form data is received from the distribution server 13, the identification component detects the type of the electronic form data in the end user terminal 25, and is the electronic form data of a type requiring a verification process and / or a secondary use prevention process? Decide whether or not. When the electronic form data is a type that requires these processes, the verification component and / or the secondary usage prevention component are activated to execute each process. In the case of electronic form data that does not require these processes, it is displayed on the browser without executing each process so that it can be used by the end user. Thereby, it is possible to reliably protect only the electronic form data that needs to be protected, and to omit the processing of the electronic form data that is not necessary, thereby enabling the end user to use it quickly and freely.

  In the above example, the company A server verifies the electronic signature of the content provider, and then stores the electronic form data in the database after attaching the electronic signature of the company A. Alternatively, after the electronic signature of the content provider is verified, the electronic form data to which only the electronic signature of the content provider is attached can be stored in the database 12. When there is a request from the end user, the data can be read from the database 12 and verified. If the verification is successful, the electronic signature of company A can be attached and transmitted to the end user.

  Along with the electronic form delivery process described above, charging is performed by a predetermined method. Billing methods include charging a fixed amount for each use of electronic forms, distributing the forms to be used to end users in a batch, and charging according to a contract that defines the number of usage, usage type, usage period, etc. Various methods such as a method, a method of permitting use of all or a part of a form only for a certain period on condition of payment of a certain fixed fee can be used.

  In the example of FIG. 3, the electronic form sales company operates only a website and distributes electronic form data from the database 12 of the distribution server 13 to the end user. As another form of the electronic form sales company, when the distribution server 13 also manages the website of the electronic form sales company itself, the end user actually seems to communicate with the electronic form sales company. Although it can be seen, data communication with the distribution server 13 is actually performed. Further, like the electronic form sales company G in FIG. 1, an electronic form sales company that holds all or part of the electronic form data in the database 12 in its own database 20 by a contract with the company A is a distribution server. The designated electronic form data can be acquired from the company database 20 without connecting to the database 13. In this case, the verification and secondary use prevention components are handed over from the company A to the electronic form sales company in advance, and all processing for distribution including the transmission of the components to the end user is performed with the end user. This can be done with the company (without going through company A). Alternatively, electronic form sales company G can provide components to end users.

  A company that purchases electronic form data from company A in a database unit and provides electronic form distribution services, such as electronic form sales company G, will receive a revised electronic form if the electronic form is revised. Need to get. For this reason, Company A manages the types and versions of electronic forms held by companies that provide electronic forms on a database basis, and obtains them when a revised version is available. Contact your electronic form sales company. The electronic form sales company purchases the revised version with necessary payment and updates the data in its own database 20. If the database provider does not purchase the revised version, it is possible to impose penalties such as restrictions on the use of electronic form data by the database provider.

  In addition, send data to the end user, such as the documents accompanying the requested electronic form, such as the terms and conditions, examples of document entry, and the consent clause when filling in the data, provided that the end user has received the data. The system can be configured to send an electronic form. This can be done in two ways.

  In the first method, when a request for a specific electronic form is received from the end user, the distribution server transmits the data related to the electronic form to the end user in the database 12, and after confirming the contents, the data indicating consent is transmitted. Request to reply. The end user reads the contents of the received related data, and when agreeing, returns data indicating consent (an electronic signature of the end user can be attached if necessary) to the distribution server. Only when the distribution server receives the consent data, the distribution server transmits the requested electronic form data to the end user.

  The second method is a method using an arrival confirmation function using a third party organization. As shown in FIG. 6, the delivery confirmation using a third-party organization entrusts a delivery item to a third-party organization, and the third-party organization notifies the delivery destination of the delivery. When there is a transmission request from the delivery destination, the third party organization delivers the delivery to the delivery destination, and the third party organization can prove that the delivery has been made. Using this method, the distribution server distributes the related data of the requested electronic form to the end user via a third party. Only if the third party proves that the end user has received such information, sends the desired electronic form to the end user. As described above, the electronic form can be provided on condition that the end user reads the documents such as the contract and agrees to the contents.

  In the above example, the digital certificate including the public key of the electronic signature of the company A is included in the signed electronic form data to be distributed. However, the digital certificate can be included in the verification component instead. This also allows the end user to perform signature verification using the public key in the digital certificate. In that case, only the electronic signature is given to the electronic form data with the electronic signature, and it is not necessary to include the digital signature.

  If the end user secures a method for obtaining the digital certificate or public key of company A, the digital certificate need not be included in either the signed electronic form data or the verification component. For example, the digital certificate of the company A server can be included in advance in the browser used by the end user on his / her terminal. The end user can decrypt the electronic signature of company A by obtaining such a browser. In this case, only the electronic signature of company A is attached to the electronic form data with signature.

  In the present invention, the electronic form can be considered as electronic data corresponding to one normal application form or application form, or can be considered as electronic data constituting a part of such a document. For example, an insurance application form includes various parts such as an input part of an applicant's personal information, an input part of an insurance type to be applied, an input part of an account for deduction of insurance premiums, etc. There are two insurance application electronic forms. In addition, for example, a module that performs a process on an item entered by a user, such as a calculation function module in an electronic form used for accounting or tax processing, or a function module that performs various processes related to the electronic form itself. May include. In this case, it is of course possible to apply the present invention to the above-mentioned insurance application form electronic form and the electronic form itself used for accounting / tax processing as one electronic form, but each part itself is further converted into one electronic form. The present invention can also be applied as a foam. Such electronic forms corresponding to individual parts may also be distributed and used independently of the entire electronic form, so that the verification process according to the present invention is performed in units of electronic forms of such individual parts. It is useful to apply this to verify the contents and prevent secondary use.

  Further, the present invention can be applied to various electronic forms other than the above application form and application form. For example, when an electronic ballot is carried out using an electronic form of an election ballot (electronic ballot form), the entity that produces the ballot paper attaches an electronic signature in the sense of guaranteeing the contents of the electronic ballot form as a producer. In addition, the local government that distributes the ballots to the voter attaches an electronic signature as the distributor of the electronic ballot form, and the entity that administers and manages the voting, such as the election management committee, provides the electronic signature as the administrative entity. Thus, the present invention can be applied to guaranteeing the authenticity of the electronic voting form at each stage of the electronic voting and preventing unauthorized modification.

  The present invention can be used in a system for providing electronic form content using a network.

DESCRIPTION OF SYMBOLS 1 ... Internet 10 ... Company A server 11 ... Electronic form production system 12, 20 ... Database 13 ... Electronic form submission / delivery server 14 ... Component 15, 16 ... Content provider terminal devices 17, 18, 19 ... Electronic form sales company Terminal device 25 ... end user terminal 26 ... browser

Claims (11)

A database for storing a plurality of electronic form data each having an electronic signature;
Component transmission means for receiving a request for electronic form data from a user and transmitting a verification component to the terminal device of the user;
Electronic form data transmission means for receiving designation of a desired electronic form from a user, acquiring corresponding electronic form data from the database, and transmitting the electronic form data to the terminal device of the user,
The verification component operates in the terminal device of the user, and verifies whether the electronic form has been altered using an electronic signature attached to the electronic form data received from the electronic form transmission unit The electronic form providing apparatus is characterized in that the electronic form data can be used in the user terminal device only when no modification is made. Each electronic form data stored in the database is attached with a digital certificate related to a given electronic signature, and the digital certificate includes the key of the electronic signature,
The verification component verifies whether the electronic form has been altered by decrypting the electronic signature using the key included in the digital certificate. The electronic form providing apparatus according to the description. The verification component includes a digital certificate related to an electronic signature associated with an electronic signature attached to the electronic form data, and the digital certificate includes a key of the electronic signature;
2. The electronic form providing apparatus according to claim 1, wherein the verification component verifies whether the electronic form has been altered by decrypting the electronic signature using the key. The component transmission means transmits an identification component for determining whether or not the electronic form data is a type of data requiring a verification process by a verification component to the user terminal,
4. The electronic form providing apparatus according to claim 1, wherein the verification component executes the verification process only on a type of data that requires the verification process. The component transmission means transmits a secondary use prevention component for preventing secondary use of electronic form data to the terminal device of the user,
The secondary usage prevention component operates in the user terminal device and disables a function of storing the electronic form data of the user terminal device during the display process of the electronic form data, thereby enabling the user to The electronic form providing apparatus according to claim 1, wherein secondary use of electronic form data transmitted to the terminal device is prevented. The component transmission means transmits an identification component for determining whether or not the electronic form data is a type of data that requires prevention processing by a secondary usage prevention component to the user terminal,
The electronic form providing apparatus according to claim 5, wherein the secondary use prevention component executes the secondary use prevention process only for a type of data that requires the secondary use prevention process. A means for transmitting related document data about the electronic form designated by the user to the terminal device of the user and requesting the user's consent to the contents of the related document data;
The electronic form providing apparatus according to claim 1, wherein the electronic form transmission unit transmits the electronic form data to the user terminal device only when the user's consent is obtained. A means for transmitting related document data about the electronic form designated by the user to the user's terminal device through a third party and requesting the user's consent to the contents of the related document data;
7. The electronic form transmission unit transmits the electronic form data to a user terminal device only when the user's consent is obtained through the third party organization. Electronic form providing device. The electronic form data transmitting means verifies whether or not the electronic form data acquired from the database has been modified using the electronic signature, and transmits to the user terminal device only when the electronic form data has not been modified. The electronic form providing apparatus according to claim 1. The electronic form data transmitting means verifies whether or not the electronic form data acquired from the database has been modified using the electronic signature, and transmits to the user terminal device only when the electronic form data has not been modified. The electronic form providing apparatus according to claim 1. A database for storing a plurality of electronic form data each having an electronic signature;
An electronic form providing apparatus comprising: electronic form data transmitting means for receiving designation of a desired electronic form from a user, acquiring corresponding electronic form data from the database, and transmitting the electronic form data to the terminal device of the user.

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