JP2006338188A - Document processor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform strict document processing according to a guideline or specification regulation through an easy method without requesting any special skill for computer or the like to an operator in a system for managing/operating paper document with computerization. <P>SOLUTION: In addition to a paper document 211 that is an object of computerization by a scanner device 201, a written requirement 212 describing a specification of computerization processing is prepared, and this document 212 is scanned. A computer 202 adds an electronic signature or a time stamp to document information of the paper document 211 according to the instruction of the written requirement 212 and stores the result in a folder of a designated document database 205. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a technology for electronically reading a paper document and managing / operating it as an electronic document.

  November 2004, “Law Concerning the Use of Information and Communication Technology for Document Preservation Performed by Private Business Operators” (so-called e-Document Law General Law) and “Information Communication for Document Preservation Performed by Private Business Operators” The Law Concerning the Development of Related Laws Accompanying the Enforcement of the Law Concerning the Use of Technology "(so-called e-Document Maintenance Law) was enacted and was enforced from April 2005 (for example, see Non-Patent Document 1 below). As a result, paper documents can be discarded and storage costs can be reduced, information can be reused, and conveniences such as information management and access record storage can be enhanced from the viewpoint of the Personal Information Protection Law.

  When operating a system in accordance with the e-document method, a method and apparatus for digitizing paper documents are important. It is necessary to set a paper document in the scanner device, set a scanner device and a computer connected to the scanner device, and perform digitization according to a predetermined procedure in accordance with the digitization specification of the paper document.

  There are guidelines based on Japanese Industrial Standards (JIS) for setting scanner devices (see Non-Patent Documents 2 and 3 below, for example), and detailed digitization according to applicable rules and guidelines attached to each of the e-document laws. Is specified.

The following can be considered as an electronic method using a conventional scanner device.
(1) For a paper document to be read, after an operator inputs computerization requirements and the like to a computer, the scanner device scans the document.
(2) A mount to be scanned by pasting the paper to be read (receipt, etc.) is edited and created in advance on a computer, and the operator inputs conditions for scanning. When printing the mount, the input conditions and the like are represented by a barcode and printed on the mount. When the paper to be read is attached to the mount and scanned, the barcode is simultaneously read and processing is performed.

There is also an information processing apparatus that automatically classifies image information based on the layout analysis result of the read image information when the paper document is digitized and stored (see, for example, Patent Document 1 below). .
JP 2001-101213 A January 31, 2005 Official Gazette (Extra 18th) "JIS Standard", [online], [Search on April 18, 2005], Internet <URL: http://www.moji.gr.jp/bib/jis.html> “Standard Detailed Information (JIS)”, [online], [Search April 18, 2005], Internet <URL: http://www.webstore.jsa.or.jp/webstore/Com/FlowControl.jsp? lang = jp & bunsyoId = JIS% 20Z% 206016% 3A2003 & dantaiCd = JIS & status = 1 & pageNo = 1>

However, the above-described conventional computerization method has the following problems.
The guidelines and specifications for computerization using the scanner device are publicly available, but the information is carefully examined during actual operation, and the scanner device and computer are manually set in accordance with the guidelines and specifications. It is necessary to do work to do. For example, it is also stipulated that an electronic signature of a person who performs digitization is added to an electronic document. Due to the cost and recovery in the event of trouble, the situation is that the cost may increase against the initial assumption.

  For example, the computerization method (1) always requires computer input. Accordingly, the operator is required to have computer skills, and it is necessary to install a computer near the scanner device, which requires labor for input.

Further, the computerization method (2) always requires computer input and printer output.
An object of the present invention is to perform strict document processing according to guidelines and specifications in a simple method without requiring an operator with special skills such as a computer in a system for managing and operating paper documents electronically. Is to do.

FIG. 1 is a principle diagram of a document processing apparatus according to the present invention. The document processing apparatus in FIG. 1 includes a requirement storage unit 101, a document storage unit 102, a generation unit 103, and an addition unit 104.
The requirement storage means 101 stores requirement information 111 read from a requirement document that describes requirements for generating a digital document by scanning a paper document. The document storage unit 102 stores document information 112 read from a paper document. The generation unit 103 generates an electronic signature using the signature key and the document information 112 when the requirement information 111 specifies that the electronic signature is to be added to the electronic document and the signature key used for the electronic signature. The adding unit 104 adds the generated electronic signature to the document information 112 to generate an electronic document.

  A requirement document in which whether or not an electronic signature is to be added to the electronic document and a signature key used for the electronic signature are prepared in advance and scanned together with the paper document, so that these requirements are stored in the requirement storage unit 101. The electronic data of the paper document is stored in the document storage unit 102. The generation unit 103 reads the requirement information 111 from the requirement storage unit 101, reads the document information 112 from the document storage unit 102 according to the requirement, and generates an electronic signature from the designated signature key and the document information 112.

  According to such a document processing apparatus, even if an operator does not input requirements for generating an electronic document from a keyboard or the like, an electronic document with an electronic signature that satisfies the requirements is automatically generated.

  The requirement storage unit 101 and the document storage unit 102 correspond to, for example, the memory 702 in FIG. 7 or the memory 802 in FIG. 8 described later, and the generation unit 103 and the addition unit 104 include, for example, the CPU 701 in FIG. 7 or the CPU 801 in FIG. Corresponding to

  According to the present invention, in addition to a paper document to be digitized, a requirement document describing the processing specifications of the paper document is prepared, and the requirement document is scanned prior to scanning of the paper document, so that the computer by the operator Strict digitization processing and management and operation of digitized documents can be performed by a simple method without requiring input.

The best mode for carrying out the present invention will be described below in detail with reference to the drawings.
FIG. 2 is a configuration diagram of the document processing system according to the embodiment. This system includes a scanner device 201, a computer 202, a registration information file database 203, a document management system 204, and a document database 205.

  The scanner device 201 is connected to a computer 202. The computer 202 is a server of a registration information file database 203, a document management system 204, and a time stamp station 215 via a communication network such as a local area network (LAN) or the Internet. Connected with.

  The operator prepares a paper document 211 to be digitized, attaches a requirement document 212, which is another paper document describing the requirements for digitization, to the scanner device 201 to read it before the first page. Before digitizing the paper document 211, the scanner device 211 reads the requirements for digitization from the requirement document 212 and acquires the processing content.

  The computer 202 performs processing necessary for digitizing the paper document 211 in accordance with the processing content acquired from the requirement document 212 and transfers document information acquired from the paper document 211 to the document management system 204. The document management system 204 stores the received document information in the document database 205 as an electronic document.

  FIG. 3 shows an example of the requirement document 212 used in the document processing system of FIG. 3 includes an electronic information storage destination 301, an electronic file name 302, a unit of unit 303, a reading resolution / color tone 304, an electronic signature / time stamp 305, a user control 306, a compatible scanner 307, and an encryption process. It consists of 308 items.

  The digitized information storage destination 301 represents the server name and folder name of the document management system 204 / document database 205, which is the storage destination of the electronic document, and the digitized file name 302 represents the file name of the electronic document. A unit of unit 303 designates a part to be managed as one unit (one file) in the document information of the paper document 211, and a reading resolution / color tone 304 represents a resolution / color tone value to be set in the scanner device 201. .

  The electronic signature / time stamp 305 indicates the necessity / unnecessity of the electronic signature / time stamp and the type of the electronic signature / time stamp when necessary. The user control 306 is permitted to use this requirement document. Represents range / person / job system. The conforming scanner 307 represents the specification of the scanner device that conforms to the requirement document, and the encryption processing 308 represents the specification of the encryption processing when storing the electronic document.

  Of these items, the default values that are not changed in the normal operation are printed in advance in the requirement document. If there are changes such as reading resolution / color tone 304, digital signature / time stamp 305, user control 306, compatible scanner 307, and encryption processing 308, several candidates are listed and printed. A check box is provided to allow the operator to fill in each time the requirement is used. The operator only needs to add only the contents necessary for actual work to the requirement document 212, and can quickly start the work.

  The requirement document 212 can be created using the computer 202, for example. At this time, when the operator designates the type of the paper document 211, the computer 202 automatically organizes the requirements suitable for the digitization processing of the paper document 211, and generates a requirement document 212 having necessary and sufficient contents.

  On the other hand, in the IC (Integrated Circuit) card 214 of FIG. 2 which is a portable recording medium, the electronic signature key / certificate issued from the certificate authority 213 is stored as the personal information of the person who is permitted to use the requirement document 212. Information is recorded. In this case, the person in charge of digitizing the paper document 211 corresponds to a person who is permitted to use the requirement document 212. The operator inserts the IC card 214 into the computer 202 when performing digitization work.

  The time stamp authority 215 generates a time stamp based on the world standard time acquired from the time authentication authority 216. When the electronic document is stored in the document database 205, the electronic signature and time stamp of the responsible person are added to the electronic document in accordance with the specification of the requirement document 212.

  The scanner device 201 has a reading resolution / color tone adjustment function, and the computer 202 has an electronic signature addition function, a time stamp acquisition function, a personal authentication function, an encryption / decryption function, and the like. The character recognition (OCR) function for acquiring the contents of the requirement document 212 is provided in the scanner device 201 or the computer 202.

Next, a specific example of information processing performed by the document processing system of FIG. 2 corresponding to each item of the requirement document of FIG. 3 will be described.
When the image information of the requirement document 212 is read by the scanner device 201, the computer 202 first recognizes the contents of the digitized information storage destination 301 by the OCR function and searches for the storage destination via the communication network. If the specified storage location is not found, a warning is issued to the operator.

  If the designated storage location is found, the computer 202 next recognizes the contents of the digitized file name 302 and generates a file name of the electronic document. In this example, the name of the person in charge and the date are used as a part of the file name, but if they are entered, the name of the person in charge and the date are acquired by the OCR function. If they are not filled in, the account information is read from the IC card 214 and used as the name of the person in charge, and the date acquired from the time stamp authority 215 is used. If the IC card 214 is not inserted and information cannot be read, a warning is issued to the operator.

When the file name of the electronic document is generated, the computer 202 next recognizes the contents of the items 303 to 308.
The contents of the unit 303 are used when the paper document 211 is read, and the computer 202 stores the document information of the paper document 211 for each specified unit.

  The content of the reading resolution / color tone 304 is set in the scanner device 201 before reading the paper document 211, and the scanner device 201 generates image information of the paper document 211 with the specified resolution and color tone.

The contents of the electronic signature / time stamp 305 are used when an electronic signature and a time stamp are added to the electronic document after reading the paper document 211, and include the following information.
・ Whether to add an electronic signature ・ Which signature key to use when adding an electronic book name ・ Whether to add a time stamp ・ Which time stamp authority to use when adding a time stamp In addition, the electronic signature / time stamp 305 may include information specifying whether to integrate the data of the electronic document and the electronic signature / time stamp. As the integration process, a process of combining two types of data into one file and a process of linking can be considered.

  FIG. 4 shows an electronic signature generation process based on the contents of the electronic signature / time stamp 305. In FIG. 4, since the requirement document 212 is read prior to reading the paper document 211, the read information is stored in the computer 202, and an electronic signature generated for the electronic document generated after reading the paper document 211 is stored. Generation processing is performed.

  First, the computer 202 checks whether or not to give an electronic signature from the contents of the electronic signature / time stamp 305. If the electronic signature is given, the computer 202 starts an electronic signature program (step 401).

  The electronic signature program determines which signature key is to be used from the contents of the electronic signature / time stamp 305, and when using the signature key in the IC card 214, transfers the electronic data of the paper document 211 to the IC card 214. (Step 402).

  In response, hash processing of electronic data is performed in the IC card 214 (step 403), the hash value is encrypted with the signature key, and an electronic signature is generated (step 404). The generated electronic signature is sent from the IC card 214 to the computer 202 (step 405).

  Next, the computer 202 checks whether or not to integrate the electronic data of the paper document 211 and the electronic signature from the contents of the electronic signature / time stamp 305, and integrates them according to the check result (step 406). .

  FIG. 5 shows a time stamp generation process based on the contents of the electronic signature / time stamp 305. Also in FIG. 5, as in the case of FIG. 4, the information on the requirement document 212 is stored in the computer 202, and a time stamp generation process is performed on the electronic document generated after reading the paper document 211.

  First, the computer 202 checks whether or not to add a time stamp from the contents of the electronic signature / time stamp 305. If the time stamp is to be added, the computer 202 starts a time stamp program (step 501).

  The time stamp program determines which time stamp authority is used as the issuing authority from the contents of the electronic signature / time stamp 305, and when using the time stamp of the P company, the electronic data of the paper document 211 is specified by the P company. (Step 502), and the processed data is transmitted to company P via the communication network (step 503).

  The time stamp authority 215 of company P adds the date and time to the received processed data, encrypts the obtained data, and generates a time stamp (step 504). Then, the generated time stamp is transmitted to the computer 202 via the communication network (step 505).

  Next, the computer 202 checks whether or not to integrate the electronic data of the paper document 211 and the time stamp from the contents of the electronic signature / time stamp 305, and integrates them according to the check result (step 506). .

  When both an electronic signature and a time stamp are generated, the electronic data, electronic signature, and time stamp of the paper document 211 are integrated and stored in the document database 205.

  The contents of the user control 306 are used to confirm the user of the requirement document 212. The computer 202 compares the name and job system entered in the user control 306 with the information of the name and job system recorded in the IC card 214, and only when the two match, the paper document 211 according to the contents of the requirement document 212. Is digitized. However, if the name is not entered in the user control 306, the account of the IC card 214 is used as the name.

  Furthermore, the computer 202 confirms the identity of the user according to the method entered in the user control 306. For example, when vein authentication is designated as the confirmation method and the location of vein information on the palm of the user is entered, the operator is requested to input vein information. In this case, the operator himself / herself needs to be a person who is permitted to use the requirement document 212. As the location of the vein information, for example, the file name of the registration information file database 203 is used.

  When the operator inputs the vein information by holding the palm of the hand over the input device, the computer 202 acquires the specified registration information file from the registration information file database 203 and compares the input vein information with the vein information of the registration information file. . The paper document 211 is digitized according to the contents of the requirement document 212 only when the two match. In addition to palm vein information, biometric information such as fingerprints, voiceprints, and face images may be used.

  The contents of the compatible scanner 307 are used to check whether the configuration of the scanner device 201 can use the requirement document 212. The computer 202 compares the information of the compatible scanner 307 and the configuration information of the scanner device 201, and digitizes the paper document 211 according to the contents of the requirement document 212 only when they match.

  For example, when TCG (Trusted Computer Group) compliant audit is designated as a reliable confirmation method and the location of the configuration information of the scanner device suitable for use is entered, a TCG report is requested to the scanner device 201. . As the configuration information, the type and configuration of hardware, the type and configuration of software, the type and configuration of peripheral devices, and the like are used. For example, the file name of the registration information file database 203 is used as the location of the configuration information.

  FIG. 6 shows an example of information collection and configuration confirmation based on such a TCG standard. In this example, a monitor management program 601 is installed in the computer 202, and the scanner device 201 includes a monitor management program 602, a TCG compliant chip 603, an application program 604, an operating system (OS) 605, a driver 606, a BIOS (Basic Input / Output System) 607 and hardware 608 are mounted.

  The TCG compliant chip 603 collects information on the application program 604, operating system 605, driver 606, BIOS 607, and hardware 608 as configuration information of the scanner device 201, performs hash processing, and the monitoring management program 602 is TCG compliant. The information collected by the chip 603 is sucked up. Information on the compatible scanner 307 is transferred to the monitoring management program 602 via the application program 604. The monitoring management program 602 collectively transmits these pieces of information to the computer 202.

  The monitoring management program 601 acquires the registration information file designated by the compatible scanner 307 from the registration information file database 203. Then, the configuration information of the registration information file is compared with the information collected by the TCG-compliant chip 603, and if the two match, the digitization of the paper document 211 using the requirement document 212 is permitted.

  The content of the encryption process 308 is used to confirm whether or not the paper document 211 is to be encrypted. Here, when encryption of the paper document 211 is designated, and the encryption key information is encrypted and entered in the requirement document 212, the computer 202 decrypts the encryption key information with the decryption key held in advance. To do. Then, the electronic document is encrypted using the obtained encryption key and stored in the document database 205.

  FIG. 7 shows a configuration example of the scanner device 201 of FIG. The scanner device 201 includes a CPU (central processing unit) 701, a memory 702, an image input unit 703, and a TCG compliant chip 603, which are connected to each other via a bus 704.

  The memory 702 includes, for example, a read only memory (ROM), a random access memory (RAM), and the like, and stores programs and data used for processing. The CPU 701 controls the scanning operation of the image input unit 703 by executing a program using the memory 702. The image input unit 703 is controlled by the CPU 701 and generates image information of the paper document 211 and the requirement document 212.

  FIG. 8 shows a configuration example of the computer 202 of FIG. The computer 202 includes a CPU 801, a memory 802, an input device 803, an output device 804, an external storage device 805, a medium drive device 806, a network connection device 807, an IC card slot 808, and a biological information input device 809, which are a bus 810. Are connected to each other.

  The memory 802 includes, for example, a ROM, a RAM, and the like, and stores programs and data used for processing. The CPU 801 performs the various processes described above by executing programs using the memory 802. The contents of each item of the requirement document 212 are read into the memory 802 from the scanner device 201.

  The input device 803 is, for example, a keyboard, a pointing device, and the like, and is used for inputting instructions and information from an operator. The output device 804 is, for example, a display, a printer, a speaker, and the like, and is used to output an inquiry to the operator and a processing result.

  The external storage device 805 is, for example, a magnetic disk device, an optical disk device, a magneto-optical disk device, a tape device, or the like. The computer 202 stores programs and data in the external storage device 805, and loads them into the memory 802 and uses them as necessary. The external storage device 805 can store an electronic document instead of the document database 205.

  The medium driving device 806 drives the portable recording medium 811 and accesses the recorded contents. The portable recording medium 811 is an arbitrary computer-readable recording medium such as a memory card, a flexible disk, an optical disk, and a magneto-optical disk. The operator stores programs and data in the portable recording medium 811 and loads them into the memory 802 and uses them as necessary.

  A network connection device 807 is connected to a communication network and performs data conversion accompanying communication. The computer 202 receives programs and data from an external device via the network connection device 807 as necessary, and loads them into the memory 802 for use.

  An IC card 214 is inserted into the IC card slot 808. Information recorded on the IC card 214 is transferred to the memory 802 via the IC card slot 808. The biometric information input device 809 is used to input biometric information of an operator such as palm vein information, fingerprints, voice prints, face images, and the like.

  FIG. 9 illustrates a method for providing a program and data to the computer 202. Programs and data stored in the portable recording medium 811 and the database of the server 901 are loaded into the memory 802 of the computer 202. The server 901 generates a carrier signal that carries the program and data, and transmits the carrier signal to the computer 202 via any transmission medium on the communication network. The CPU 801 executes the program using the data and performs necessary processing.

  By the way, in the document processing system of FIG. 2, the computer 202 performs the processing specified by the requirement document 212, but this can be performed by the scanner device alone. FIG. 10 is a block diagram of such a document processing system. This system has a configuration in which the computer 202 is removed from the system of FIG. 2 and the scanner device 201 is replaced with the scanner device 1001. As a portable recording medium, a USB (Universal Serial Bus) card 1002 is used instead of the IC card 214.

  The scanner device 1001 has a configuration in which the network connection device 807, the biological information input device 809, and the USB port in FIG. 8 are added to the scanner device 201 in FIG. The CPU 701 of the scanner apparatus 1001 performs the same processing as the computer 202 described above by executing a program using the memory 702.

  According to such a document processing system, it is possible to digitize the paper document 211 in accordance with the requirement document 212 using only the scanner device 1001 without installing the computer 202. Therefore, the cost for installing the computer 202 is reduced.

(Supplementary Note 1) Requirement storage means for storing requirement information read from a requirement document describing requirements for generating a digital document by scanning a paper document;
Document storage means for storing document information read from the paper document;
Generating means for generating an electronic signature using the signature key and the document information when the requirement information specifies that a digital signature is added to the electronic document and a signature key used for the electronic signature;
A document processing apparatus comprising: an adding unit configured to add the generated electronic signature to the document information to generate an electronic document.
(Supplementary Note 2) The requirement information read from the requirement document that describes the requirements for scanning the paper document and generating the electronic document is read from the requirement storage means,
When the requirement information specifies that an electronic signature is added to the electronic document and a signature key used for the electronic signature, the document information read from the paper document is read from the document storage unit,
Generating an electronic signature using the signature key and the document information;
A program for causing the computer to execute a process of generating an electronic document by adding the generated electronic signature to the document information.
(Additional remark 3) When the said requirement information designates the preservation | save folder of the said electronic document, the process which preserve | saves this electronic document in the designated folder is further performed by the said computer, The additional description 2 characterized by the above-mentioned. Program.
(Supplementary Note 4) When the requirement information designates a unit of the electronic document, the computer is further caused to execute a process of dividing and storing the electronic document for each designated unit. The program according to appendix 2.
(Supplementary Note 5) When the requirement information specifies a resolution and a color tone used when reading the document information from the paper document, the computer further executes a process of reading the paper document with the specified resolution and color tone The program according to supplementary note 2, wherein the program is executed.
(Supplementary Note 6) When the requirement information specifies that a time stamp is added to the electronic document and a time stamp issuer, the document information is read from the document storage unit and transmitted to the issuer. The program according to claim 2, further causing the computer to execute a process of adding a time stamp received from the publisher to the electronic document.
(Supplementary note 7) When the requirement information designates a person who is permitted to use the requirement document, the user information is read from the portable recording medium of the operator, and the read user information and the designated use The program according to appendix 2, wherein the computer is caused to execute a process of comparing the person information and generating the electronic document when they match.
(Supplementary Note 8) When the requirement information specifies biological information of a person who is permitted to use the requirement document, the biological information of the operator is acquired, and the acquired biological information is compared with the specified biological information. The program according to appendix 2, wherein the computer is caused to execute a process of generating the electronic document when they match.
(Supplementary Note 9) When the requirement information specifies the hardware configuration and software configuration of the scanner device that can use the requirement document, the configuration information of the scanner device that scans the paper document is acquired and acquired. The program according to appendix 2, wherein the information is compared with the designated hardware configuration and software configuration, and when the two match, the computer is caused to execute a process of generating the electronic document.
(Supplementary Note 10) The scanner device scans a requirement document that describes the requirements for generating a digital document by scanning a paper document, stores the read requirement information in the requirement storage means,
The scanner device scans the paper document and stores the document information read in the document storage unit,
When the generation unit reads the requirement information from the requirement storage unit, and the requirement information specifies that the electronic signature is to be added to the electronic document and the signature key used for the electronic signature, the generation unit Read document information, generate an electronic signature using the signature key and the document information,
A document processing method, wherein the adding means generates the electronic document by adding the generated electronic signature to the document information.

1 is a principle diagram of a document processing apparatus of the present invention. 1 is a configuration diagram of a first document processing system. FIG. It is a figure which shows a requirement document. It is a figure which shows an electronic signature production | generation process. It is a figure which shows a time stamp production | generation process. It is a figure which shows the structure confirmation based on a TCG specification. It is a block diagram of a scanner apparatus. It is a block diagram of a computer. It is a figure which shows the provision method of a program and data. It is a block diagram of a 2nd document processing system.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 Requirement storage means 102 Document storage means 103 Generation means 104 Addition means 111 Requirement information 112 Document information 201, 1001 Scanner device 202 Computer 203 Registration information file database 204 Document management system 205 Document database 213 Authentication authority 214 IC card 215 Time stamp authority 216 Time certificate authority 301 Electronic information storage destination 302 Electronic file name 303 Group unit 304 Reading resolution / color tone 305 Digital signature / time stamp 306 User control 307 Applicable scanner 308 Encryption processing 601 602 Monitoring management program 603 TCG compliant chip 604 Application program 605 Operating system 606 Driver 607 BIOS
608 Hardware 701, 801 CPU
702, 802 Memory 703 Image input unit 704, 810 Bus 803 Input device 804 Output device 805 External storage device 806 Medium drive device 807 Network connection device 808 IC card slot 809 Biological information input device 811 Portable recording medium 901 Server 1002 USB card

Claims (5)

Requirement storage means for storing requirement information read from a requirement document that describes requirements for scanning a paper document to generate an electronic document;
Document storage means for storing document information read from the paper document;
Generating means for generating an electronic signature using the signature key and the document information when the requirement information specifies that a digital signature is added to the electronic document and a signature key used for the electronic signature;
A document processing apparatus comprising: an adding unit configured to add the generated electronic signature to the document information to generate an electronic document. Read the requirement information read from the requirement document that describes the requirements for scanning the paper document and generating the electronic document from the requirement storage means,
When the requirement information specifies that an electronic signature is added to the electronic document and a signature key used for the electronic signature, the document information read from the paper document is read from the document storage unit,
Generating an electronic signature using the signature key and the document information;
A program for causing a computer to execute a process of generating an electronic document by adding a generated electronic signature to the document information.   3. The program according to claim 2, further comprising: causing the computer to further execute a process of saving the electronic document in the designated folder when the requirement information designates a saving destination folder of the electronic document.   When the requirement information specifies a resolution and a color tone used when reading the document information from the paper document, the computer is further caused to execute a process of reading the paper document with the specified resolution and color tone. The program according to claim 2.   When the requirement information specifies that a time stamp is to be added to the electronic document and a time stamp issuer, the document information is read from the document storage means and transmitted to the issuer. 3. The program according to claim 2, further causing the computer to execute a process of adding the received time stamp to the electronic document.

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