JP6614601B1 - Secure file transmission / reception flight system, secure file transmission / reception method, and network system - Google Patents

Abstract

[PROBLEMS] It is not necessary to send emails sent twice with a time lag, and sufficient consideration is given to key distribution. Even if there is an error in sending, end-to-end security is ensured, Realize easy-to-use secure information transmission. Representing the information providing device, showing the receiving side telephone number as known transmitting side attribute information and the information receiving device on the receiving side, and receiving side telephone as known receiving side attribute information on the transmitting side The number can be recorded as sender information, and an attached shortcut file is formed from the recorded phone numbers of the recordable phone numbers, and the attached shortcut file is attached to the mail image. Form a secure file sending and receiving flight that can be sent. [Selection] Figure 7

Description

  The present invention relates to a secure file transmission / reception system, a secure file transmission / reception method, and a network system.

  As a method of securely sending attachments to e-mails between companies or individuals, send attachments as encrypted or compressed files in Japan, and send encrypted and compressed files immediately after that. It is common to send a key.

  Also, the attached file is stored as a tally, and the sending side assigns a plurality of tally to the information recipient at different means or at different times, and composes the attached tally to the original attached file It has been made possible to restore.

  Patent Literature 1 includes information for specifying a storage location of predetermined data included in link information and information for specifying a storage location of predetermined data among connection setting information included in access information. A data management device that creates a shortcut (SC) including link information and access information when they match is described.

  Patent Document 2 registers the first attribute information related to the second electronic device in the first electronic device, registers the first attribute information related to the first electronic device in the second electronic device, Writing a shortcut that links to a file in the storage device of the first electronic device and accessing a file in the storage device of the first electronic device based on the first and second attribute information Is done.

  In Patent Document 3, in the reception-side information processing device, when the name of the transmission folder matches the name of the reception folder in the reception-side information processing device, a file processed under the reception folder is restored. be written.

  In Patent Document 4, predetermined information provided to the information recipient is stored as a tally, and the transmitter assigns a plurality of tally to the information recipient at different means or at different times. The predetermined information can be recognized by combining a plurality of tally physically or electronically, and the predetermined information includes any of an Internet address, a telephone number, a password, and an electronic mail address. Is described.

Japanese Patent No. 4731928 JP 2007-272460 A JP-A-2006-106330 JP 2001-331731 A

  As described above, between companies or individuals, as a method of securely sending an attached file to an e-mail to the other party, in Japan, send an encrypted or tallyed attached file, and immediately about the file The key has been sent.

  This method can prevent information leakage only on the Internet, not on end-to-end secure information transmission. For example, when the address of the information providing apparatus on the transmission side is mistakenly transmitted erroneously, information leakage occurs. In this way, there is a problem with information leakage countermeasures that distribute keys to the same mail destination with a time difference, and sufficient consideration should be given to key distribution, ensuring security even in the case of erroneous transmission Is required.

  In view of this point, the present invention does not require mail sent twice with a time lag, and sufficient consideration is given to key distribution, ensuring safety from end to end even in the case of erroneous transmission. It is an object of the present invention to realize secure information transmission that is easy to use for the receiver.

  FIG. 1 is a diagram for explaining a daily dangerous mail that consists of sending an encrypted or tally attached file and immediately sending a key for the file.

In the method of sending and receiving emails with a time difference,
・ Information leakage due to erroneous transmission ・ Information exploitation information leakage by hackers ・ There is a risk of information leakage even for file courier services, and safety is not guaranteed end to end.

  The present invention proposes a system that secures end-to-end safety by forming a secure file transmission / reception facility. By incorporating the transmission side secure file transmission / reception system 100A into the information providing apparatus 1A and the reception side secure file transmission / reception system 100B into the information reception apparatus 1B, the transmission / reception of the secure file with the attached shortcut file attached to the mail is performed. An information transmission / reception system based on the flight 14, that is, a secure file transmission / reception flight system 100, which becomes a secure file transmission / reception flight 14, is formed between the information providing apparatus on the transmission side and the information reception apparatus on the reception side.

The secure file transmission / reception service system 100 enables end-to-end safe delivery even for large volumes of information.

  FIG. 2 is a diagram showing a secure file transmission / reception system 100 and a network system 200 having the secure file transmission / reception system 100 according to the present invention.

  In FIG. 2, a network system 200 is formed by communicably connecting a large number of devices 1 and a secure file transmission / reception flight management device 2 managed by a secure file transmission / reception flight manager. The device 1 is a device used as an information providing device and an information receiving device. When the device functions as an information providing device, the device 1 is described as an information providing device 1A, and when functioning as an information receiving device, the information receiving device 1B. Describe. Each of the information providing apparatus 1A and the information receiving apparatus 1B includes a communication unit and can communicate with each other.

  A plurality of devices are selected from a large number of devices 1, and a secure file transmission / reception flight manager provides a transmission-side secure file transmission / reception flight system 100A and a reception-side secure file transmission / reception flight system 100B ((A) (Shown in (b)), a secure file transmission / reception flight system 100 capable of communicating by connecting both the information providing apparatus 1A and the information receiving apparatus 1B inside the information providing apparatus 1A and the information receiving apparatus 1B is provided. Built. A secure file transmission / reception system 100 is configured in the network system 200.

  The information providing apparatus 1A and the information receiving apparatus 1B can communicate with each other via the network system 200 by the secure file transmission / reception system 100.

A secure file transmission / reception flight system 100 formed by connecting the transmission-side secure file transmission / reception flight system 100A and the reception-side secure file transmission / reception flight system 100B,
・ Adoption of the other party confirmation mechanism ・ Authentication by collating known partner information known to the other party ・ Characteristics include secret sharing of attached files using tally and restoration based on authentication.

  As the known partner information known to the other party, there is information of a telephone number, address or residence, internet address, password, electronic mail address known to the other party, or a combination thereof.

The secure file transmission / reception management device 2
・ Provision of secure file transmission / reception system to information providing device 1A and information receiving device 1B
・ Provision of shortcut file to the information providing device 1A ・ Statistics and accounting of the number of times a secure file is sent / received or the number of times the recipient phone number is used for the secure file send / receive The secure file transmission / reception flights can be selected, and the secure file transmission / reception flights can be easily set for free or for a fee.

  FIG. 3 shows that the information providing apparatus 1A and the information receiving apparatus 1B are provided with the transmission side secure file transmission / reception system 100A and the reception side secure file transmission / reception system 100B as products. It is a figure which shows that the transmission / reception flight 14 of a secure file is constructed | assembled after connecting the receiving device 1B.

  A secure file transmission / reception flight system 100A and a reception secure file transmission / reception flight system 100B are downloaded from the secure file transmission / reception flight management device 2 to the information providing device 1A and the information reception device 1B via the Internet 200A. , Built into each. In the case of this example, software formed by a program is downloaded and provided to the information providing apparatus 1A and the information receiving apparatus 1B via the Internet communication means 200A. The information may be provided to and incorporated in the information providing apparatus 1A and the information receiving apparatus 1B using a hard medium incorporating the software.

  There are a free version and a paid version for providing the transmission side secure file transmission / reception system 100A and the reception side secure file transmission / reception system 100B. If free provision is desired, the free version 3 is selected and designated in accordance with a predetermined method, and if paid version 4 is desired, the paid version 4 is selected and designated.

  The secure file transmission / reception flight system 100 creates a proposal that proposes a secure file transmission / reception flight 14 achieved by updating an existing facility device to the latest facility device. In one aspect, the secure file transmission / reception service system 100 is realized by cooperation of hardware resources and software. Specifically, the function of the secure file transmission / reception system 100 is realized by reading a control program recorded on a recording medium into a main memory and executing it by a CPU (Central Processing Unit). The control program can be provided by being recorded on a computer-readable recording medium, or can be provided by communication as a data signal.

The secure file transmission / reception system 100 may be realized only by hardware. The secure file transmission / reception service system 100 may be physically realized by a single device or may be realized by a plurality of devices.

  FIG. 4 is a diagram showing an outline of the secure file transmission / reception service system 100.

  A secure file transmission / reception flight system 100B and a reception secure file transmission / reception flight system 100B are provided from the secure file transmission / reception flight management device 2 to the information providing device 1A and the information reception device 1B, respectively. When the information providing apparatus 1A also functions as the information receiving apparatus 1B and the information receiving apparatus 1B also functions as the information providing apparatus 1A, the information providing apparatus 1A or the information receiving apparatus 1B includes both secure file transmission / reception facilities. Is provided.

  It is possible to provide the information providing apparatus 1A from the transmission-side secure file transmission / reception flight system 100A to the information providing apparatus 1A with a shortcut file that is previously attached and owned by the transmission-side secure file transmission / reception flight system 100A.

  The transmission side secure file transmission / reception system divides the electronic information file into tally and forms tally fragments. A fragment is a collection of data that has no meaning in tally form.

Shortcut information generated by a fragment secret-distributed in an arbitrary cloud being shortcut for transmission is acquired. Sending side information consisting of known sending side attribute information on the receiving side and information receiving side known information on the sending side as representing the information providing device, and receiving side attribute information known on the sending side, as shortcut information and sending side information Attached shortcut file is recorded, and the attached shortcut file is attached to the information providing apparatus. A shortcut file is attached to form a secure file transmission / reception service that can be sent by e-mail.

In the figure, fragment 1/3 is stored in cloud 11 as a storage mechanism in the cloud center, fragment 2/3 is stored in cloud 12, and fragment 3/3 is stored in cloud 13. A cloud center equipped with a cloud is randomly selected 6 each time.

  When a secret sharing process 9 is instructed, the transmission / reception mail system 100A of the transmission-side secure file downloaded and incorporated in the information providing apparatus 1A acquires the shortcut information and is known to the sender information, that is, the other party. Authentication information including known partner information (referred to as partner authentication information) is recorded according to a predetermined format, and an attached shortcut file 15 is formed.

  In this way, known sender information is input to the receiver as sender attribute information of the sender information providing apparatus, and known partner information is input to the sender as receiver attribute information of the information receiving apparatus. An attached shortcut file that is kept secret and the shortcut information is input to be attached to the mail image is formed, and a secure file transmission / reception flight in which the attached shortcut file is attached to the mail image is transmitted to the information receiving apparatus.

  Shortcut information and counterparty authentication information are input to the shortcut file, and an attached shortcut file 15 attached to the mail image is formed.

  The attached shortcut file 15 is attached to the secure file transmission / reception flight 14 and is transmitted and sent by mail to the other party, that is, the information receiving apparatus 1B. The mail image is acquired by the secure file transmission / reception service 14.

A mail attached with the secure file transmission / reception service is transmitted to the information receiving apparatus.
The receiving side secure file transmission / reception system receives the transmitted secure file transmission / reception system, and corresponds to the transmitting side information recorded in the attached shortcut file, and is known to the receiving side. When attribute information or / and receiver attribute information known to the sender is recorded as receiver information by the receiver, it is authenticated whether both pieces of information are the same.

  The information receiving device receives the secure file transmission / reception service, and the attached shortcut file records the sender side attribute information known to the receiver side and / or the receiver side attribute information known to the sender side by the receiver. When the same is authenticated and the same authentication is obtained, the cloud is accessed based on the shortcut information attached to the attached shortcut file, and a plurality of stored in the cloud The tally is downloaded and the tally is electronically synthesized to restore the electronic information file.

  In this way, a secure file transmission / reception system using the network system is configured.

  Authentication is possible with one email screen acquisition, email is not required twice, sufficient consideration is given to key distribution, and end-to-end security is ensured even if there is an erroneous transmission. .

  Each fragment disappears at the time limit specified by the sender in the information providing apparatus 1A.

  End-to-end secure information is shared between the information providing apparatus 1A and the information receiving apparatus 1B.

A secure file transmission / reception system is provided, and a secure file transmission / reception system can be formed, and sender-side attribute information known to the reception side and / or reception-side attribute information known to the transmission side are recorded by the receiver. Authentication is possible,
・ Information leakage due to erroneous transmission ・ Information exploitation information leakage by hackers ・ Information leakage is prevented even for file courier services.

  This eliminates the need for two e-mails with a time lag, ensures that key distribution is fully considered, and that end-to-end security is ensured even in the event of erroneous transmission, making the receiver more user-friendly. Good secure information transmission is realized.

Illustration explaining dangerous emails in daily life The figure which shows the network system which has the secure file transmission / reception flight system and secure file transmission / reception flight system which become this invention The figure which provides the secure file transmission / reception flight system 100 to the information providing apparatus 1A and the information receiving apparatus 1B The figure which shows the outline | summary of the transmission / reception flight 100 of a secure file Block diagram showing the configuration of a secure file transmission / reception flight system Diagram showing how cloud centers are selected and banner ads are imported Diagram showing secure file sending / receiving flights when requesting provision of secure file sending / receiving flights Diagram showing secure file sending / receiving flights when requesting the provision of secure file sending / receiving flights free of charge Diagram showing the flow of electronic information file secret sharing / restoration processing The figure (the 1) displayed on the screen of the screen display apparatus of 1 A of information provision apparatuses The figure displayed on the screen of the screen display device of the information providing device 1A (No. 2) The figure (the 3) displayed on the screen of the screen display apparatus of 1 A of information provision apparatuses The figure displayed on the screen of the screen display device of the information providing device 1A (No. 4) FIG. (5) displayed on the screen of the screen display device of the information providing device 1A The figure displayed on the screen of the screen display apparatus of information provision apparatus 1A (the 6)

Before describing the embodiments, terms used in the embodiments will be described.
<Information Providing Device> An information provider, ie, a device used for transmission on the transmitting side by the sender <Information Receiving Device> An information receiver, ie, a device used for receiving on the receiving side by the receiver <Tally Fragments> Tally-divided pieces <Secure file sending / receiving flights> File flights sent in an end-to-end manner without the need for a time difference <Secure file sending / receiving flights system> Sending side A secure file formed by connecting a transmitting-side secure file transmission / reception system captured by the information providing apparatus 1A and a receiving-side secure file transmission / reception system captured by the receiving-side information receiving apparatus 1B. A system for sending and receiving flights. The transmission side secure file transmission / reception system and the reception side secure file transmission / reception system are provided to the other party by means of software communication means formed by a program. Software created by the program can be stored on a solid-form medium and provided to the other party. <Secure file transmission / reception flight management device> For the formation of a secure file transmission / reception flight system, there is a charge or no charge Provides a secure file sending / receiving mail system on the sending side and a secure sending / receiving mail system on the receiving side. <Administrator><Shortcut> Link attribute information linked to tally fragments, for accessing tally fragments Create icon <Shortcut information> Link attribute information linked to tally fragment <Shortcut file>Recipient's phone number record field, recipient address designation field, restoration period designation change field, restoration date designation date and time field File with <Attached shortcut file> A file that is attached to a secure file transmission / reception mail that records the phone number of the follower or the phone number of a known recipient, the address of the specified recipient, the specified restoration period, and the designated date and time for the specified restoration date. <Sender-side attribute information> Information provider-specific information used to represent the sender-side information provider <Receiver-side information> Information recipient-specific information used to represent the receiver-side information provider < Known Sender Attribute Information> Sender attribute information known to the receiver. Specific information of the other party that can be obtained directly and indirectly by exchanging business cards and emails as well as confirmed and known to each other <known receiving side attribute information> known receiving side attribute information to the sending side <to the other party Known partner authentication information known to each other> Known sender attribute information and known receiver attribute information <Authentication processing> The two pieces of information are compared, and “identical or identical” when they are identical, “non-identical” when they are not identical Or proof that it does not match
<Banner advertisement> An advertisement that is displayed on the email screen to which an attached shortcut file is attached so that secure file transmission and reception can be used free of charge.

  FIG. 5 is a block diagram showing the configuration of a secure file transmission / reception system.

  A secure file transmission / reception flight system 100 includes an information providing apparatus 1A on the transmission side and an information receiving apparatus 1B on the information receiving side.

  The information providing apparatus 1A includes the following units.

Tally creation means 21
-With respect to an electronic information file capable of recognizing predetermined information, the predetermined information cannot be recognized alone, and a plurality of tallys that can be recognized in the electronic information file are created by electronically combining a plurality of the information. .

Storage management means 22
A plurality of created tally are divided and stored in a cloud as a storage institution specified in advance via communication means.

Shortcut information generation means 23
・ Generates shortcut information based on the tally cross section and cross section information.

Means 24 for creating secure file transmission / reception flights
Record the shortcut information and the mutually known sender telephone number and receiver telephone number in the shortcut file to generate an attached shortcut file.

  -Form a secure file transmission / reception facility to which an attached shortcut file is attached.

Transmission means 25
-Send a secure file transmission / reception flight to the information receiving device.

The information receiving device 1B on the information receiving side
Receiving means 26
・ Receive a secure file transmission / reception service.

Authentication processing means 27
・ Authentication is performed by comparing the received phone number with the recorded phone number.

  -Once authenticated, download permission information is generated.

Restoring means 28
-Receive download permission information, download the tally fragment, and restore it to the original electronic information file. The obtained plurality of tally are electronically synthesized to restore the original electronic information file.

  FIG. 6 is a diagram illustrating a mechanism for selecting a cloud center and capturing a banner advertisement.

The optimization mechanism for selecting a cloud center and capturing banner ads is:
・ Select the cloud center based on the formula (random).

    ・ Judge the line status and cloud center status and select the cloud center.

・ Read and acquire banner advertisements set up in advance from the selected cloud center.

  Consists of.

Cloud center selection and banner ad capture are done in the next steps.
1) When the sender exports the attached shortcut file 15 with the secure file transmission / reception service 14, several optimum selected from a plurality of cloud centers 1 to n specified in advance based on a mathematical formula (random) Access to the cloud center.

  2) If the free version is selected for the transmission side secure file transmission / reception flight system 100A and the reception side secure file transmission / reception flight system 100B, banner advertisements are taken from the selected optimal cloud center. .

3) Multiple optimal cloud centers, for example, in the case of this example, three cloud centers are selected, and the cloud installed in the cloud center that is the destination of the tally fragment that has been subjected to the security distributed processing is determined. Uploaded 7 and tally fragments 11 to 13 are held in each cloud.

  7 and 8 are diagrams showing a secure file transmission / reception facility.

  The secure file transmission / reception flight 14 is formed by including an attached shortcut file 15 in which predetermined items are recorded in the shortcut file 15A, and the items described in the attached shortcut file 15 can be subjected to OK or cancellation confirmation operations.

  The secure file transmission / reception flight device 14 can request the secure file transmission / reception flight management apparatus 2 to install and provide the secure file transmission / reception flight system 100 free of charge or for a fee. A secure file transmission / reception flight 14 shown in FIG. 7 and FIG. 8 is formed corresponding to the installation provision request form. The secure file transmission / reception facility management apparatus 2 can be configured to provide a secure file transmission / reception facility system 100 for free or all for a fee.

  FIG. 7 is a diagram showing a secure file transmission / reception flight 14 configured by the transmission-side secure file transmission / reception flight system 100A when the installation and provision of the secure file transmission / reception flight system 100 is requested in the paid version. is there.

  In FIG. 7, an attached shortcut file 15 is attached to a secure file transmission / reception flight 14. As described above, the attached shortcut file 15 is configured by recording shortcut information and a mutually known phone number according to a predetermined condition in the shortcut file 15A provided from the secure transmission / reception system 100A for the transmitting side.

  The shortcut file 15A has a field 31 in which the sender's telephone number is recorded and a field 32 in which the receiver's telephone number is recorded.

  In this case, the destination can be sent to, for example, up to five locations. For this reason, the column 32 in which the telephone number is recorded has five recording columns, and the telephone numbers 1 to 5 can be recorded. Since the telephone numbers 1 to 5 can be recorded, a plurality of mails can be simultaneously transmitted to five recipients in this example. Multiple telephone numbers may be set for one recipient.

  The shortcut file 15 </ b> A has a recipient address designation field 33, and can specify a recipient's address in addition to a known telephone number. As a result, in addition to the telephone numbers 1 to 5, it is possible to specify destination location information.

  In the shortcut file 15A, a predetermined restoration period, for example, 48h is set in the default case. The shortcut file 15 </ b> A has a restoration period designation change field 34, and the restoration period designation change can be performed by designating the restoration period designation change.

  The shortcut file 15 </ b> A has a restoration date designation date / time field 35, and by recording the restoration date designation date / time in the restoration date designation date / time field 35, the restoration date designation date / time can be designated.

  Recorded in the field 31 in which the sender's telephone number is recorded, the field 32 in which the telephone number of the receiver is recorded, the address designation field 33 in the receiver, the designation change field 34 in the restoration period, and the restoration date designation date / time field 35 All matters are kept confidential at the receiving end.

  The shortcut file 15A has a normal transmission designation field 36 and a confidential transmission designation field 37. By specifying one of them, normal transmission or confidential transmission can be performed.

  The banner advertisement is not posted on the secure file transmission / reception flight 14 shown in FIG.

  The maximum attached data capacity XX of the attached shortcut file 15 is determined in advance.

FIG. 8 is a diagram showing a secure file transmission / reception flight 14 configured by the transmission-side secure file transmission / reception flight system 100A when requesting the provision of the secure file transmission / reception flight system 100 as a free version. is there. in this case,
The sending destination is limited to one place, and the column 32 in which the telephone number provided in FIG. 7 is recorded is lightly displayed, and the telephone number cannot be recorded. In FIG. 8, the column 32 in which the telephone number is recorded is recorded darkly, but this is for convenience. The same applies to FIGS.

  The same applies to the recipient address designation field 33, the restoration period designation change field 34, and the restoration date designation date field 35.

・ Send location information cannot be added. ・ Restoration deadline cannot be changed. ・ Registration with date specified cannot be registered.

  A banner advertisement 38 is posted on the secure file transmission / reception flight 14 shown in FIG. 7, and the cost is borne so as to be required for forming the secure file transmission / reception flight 14.

FIG. 9 is a diagram showing the flow of the electronic information file secret sharing / restoring process.
1) The sender exports the electronic information file from the information providing apparatus 1A by giving a tally secret sharing storage instruction.
2) The sender receiver transmits the mail 42 by normal transmission or confidential transmission, and the receiver receives the transmitted mail 42.
3) The recipient double-clicks the shortcut information 41 of the transmitted attached shortcut file 15 to restore the electronic information file.

  10 to 13 are diagrams showing screens used in the flow of the electronic information file secret sharing / restoring process shown in FIG.

  First step: In FIG. 9, the sender instructs the electronic information file to be exported from the information providing apparatus 1A by giving a tally secret sharing storage instruction. When exported, the electronic information file is automatically stored secretly in the cloud 11-13 in tally form. Clouds 11 to 13 are clouds randomly selected from cloud groups 1 to n.

  At the same time, the secret is stored and the tally fragments 1/3 to 3/3 are short-cut by a normal method to generate shortcut information. The shortcut information is recorded in the shortcut file 13 according to a predetermined manner, whereby the attached shortcut file 15 is generated and the secure file transmission / reception flight 14 is generated.

  In this case, the telephone number 40A as the known other party authentication information shown in FIG. 2 is adopted and recorded in the shortcut file 13 according to a predetermined condition. By performing this recording, an attached shortcut file 15 is generated. Recorded in accordance with a predetermined condition is recorded in the column 32 where the telephone number is recorded, the address designation column 33 of the recipient, the designation change column 34 of the restoration period, and the restoration date designation date / time column 35 as shown in FIG. There are restrictions on the recorded items.

  In the process shown in FIG. 9, FIG. 10 is displayed on the screen of the screen display device of the information providing apparatus 1A.

  FIG. 10 is a diagram (No. 1) displayed on the screen of the screen display device of the information providing device 1A.

On the screen,
-Tally setting information-Tally import-Tally export-Tally properties are displayed, and command signals according to each item can be input.

  Since the screen of the screen display device is used as the transmission side, by clicking the tally setting information, the electronic information file to be sent is selected and tally export is designated.

  The screen shown in FIG. 11 is displayed.

  FIG. 11 is a diagram (No. 2) displayed on the screen of the screen display device of the information providing device 1A.

  FIG. 11 shows the case of FIG. In FIG. 3, when receiving the provision of the transmission-side secure file transmission / reception flight system 100 </ b> A, FIG. 11 is automatically displayed by selecting the free version 3. When the paid version 4 is selected, the screen shown in FIG. 7 is automatically displayed. Although the case where the free version 3 is selected will be described here, the same applies to the case where the paid version 4 is selected.

  In FIG. 11, the sender's telephone number is recorded in a column 31 where the sender's telephone number is recorded. In the case of the paid version, it is possible to specify the recipient address designation column 32, the recipient address designation column 33, the restoration period designation change column 34, and the restoration date designation date and time column 35. In this example, Since it is a free version, it is not possible to record in these fields. A banner advertisement 38 is made.

  The target electronic information file is divided into tallys by the OK button, and secret sharing is performed. With this operation, shortcut information is acquired as described above.

  Next, FIG. 12 is displayed.

  FIG. 12 is a diagram (No. 3) displayed on the screen of the screen display device of the information providing device 1A.

  On this screen, shortcut information 41 is attached. By attaching the shortcut information 41, the attached shortcut file 15 is completed, and the secure file transmission / reception flight 14 is finally completed.

  The secure file transmission / reception flight 14 is attached to an e-mail and prepared for transmission.

  FIG. 13 is a diagram (No. 4) displayed on the screen of the screen display device of the information providing device 1A.

  In FIG. 13, a secure file transmission / reception flight 14 is attached to the screen display device of the information providing device 1 </ b> A, and a mail screen 42 on which predetermined items for mailing are described is shown.

  Second Step: Returning to FIG. 9, the sender transmits a mail having the mail screen 42 attached to the secure file transmission / reception flight 14 to which the attached shortcut file 15 is attached.

  The recipient receives the sent mail 42. The screen shown in FIG. 14 is automatically displayed.

FIG. 14 is a diagram (No. 5) displayed on the screen of the screen display device of the information providing device 1A. When the received secure file transmission / reception flight 14 is opened, the shortcut information 41 of the attached shortcut file 15 is double-clicked. be able to.

  When a double click is made, the screen automatically moves to the screen shown in FIG.

  FIG. 15 is a diagram (No. 6) displayed on the screen of the screen display device of the information providing device 1A.

  Third step: Returning to FIG. 9, the recipient double-clicks the shortcut information 41 of the attached shortcut file 15. By the double click instruction, the receiving side secure file transmission / reception flight system 100B configured in the information receiving apparatus authenticates using the telephone number 40B as the known other party authentication information known to the other party, and the information receiving apparatus The secret sharing information that becomes a tally fragment is collected from the cloud by 1B and downloaded to the information receiving apparatus 1B.

  In FIG. 15, a field 31 in which the sender's telephone number is recorded and “Please enter the sender's telephone number!” Are displayed on the screen to prompt the user to record the sender's telephone number.

  The receiver can immediately record the telephone number of the sender already recognized by the sender in the field 31 where the telephone number of the sender is recorded. The attached shortcut file 15 records all information sent and received by mail.

By the secure file transmission / reception system 100 provided to the information providing apparatus, the information receiving apparatus is displayed in the acquired shortcut file together with the transmitting side telephone number as the transmitting side attribute information indicating the information providing apparatus. In the secure file transmission / reception method by the secure file transmission / reception system using the network system in which the reception side telephone number as the reception side attribute information known to the transmission side can be recorded by the sender,
When the sender phone number and the acquired shortcut information are recorded in the shortcut file by the sender, an attached shortcut file is formed, and the attached shortcut file can be attached to a mail image and sent by mail. Form secure file sending and receiving flights,
Sending the secure file sending and receiving flights to the information receiving device;
When the information receiving device receives the secure file transmission / reception service and the sender telephone number is recorded in the attached shortcut file by the recipient, it is authenticated whether they are the same.

  When authentication is made that these telephone numbers are the same, on the screen, a storage location selection by the storage location selection specification field 43 and a guidance message “Please select a folder to save!” Are displayed. .

  When the storage location selection field 43 is clicked, the secure file transmission / reception system 100 configured in the information receiving apparatus automatically accesses the cloud storing the tally cross section and displays the tally cross section. Receive the data and complete the data transmission.

  The information receiving device 1B accesses the storage means of the storage institution cloud based on the shortcut information attached to the attached shortcut file when the same authentication is obtained, and the specified storage institution cloud The tally stored in the storage means is downloaded, and the electronic information file is restored by electronically synthesizing the plurality of tally.

  In this example, in FIG. 8, a column 31 for recording the sender's telephone number is provided so that the sender's telephone number can be recorded. The telephone number of a single recipient is recorded in the field 32 for recording the telephone number of a known recipient, and the telephone number of the sender in FIG. 15 is recorded. Instead of the field 31, a telephone number of one receiver is recorded, and a field 32 for recording the telephone number of the receiver is provided, so that the telephone numbers of the sender and the known recipients of the sender are provided. You may make it perform the authentication collation by. In this case, a guidance display “Please enter the recipient's phone number!” Is displayed on the screen of FIG.

  In this example, the free version is described. However, in the case of the paid version, the information receiving device receives the secure file transmission / reception flights, and the attached shortcut file includes the sender telephone number and the When the recipient telephone number is recorded by the recipient, it authenticates whether it is the same, and when the same authentication is obtained, accesses the cloud based on the shortcut information attached to the attached shortcut file The electronic information file is restored by downloading a plurality of tally stored in the cloud and electronically synthesizing the tally.

In the system described above, the merit that the telephone numbers 40 and 40A as the known partner authentication information known to the other party is adopted is as follows.
・ Sender does not need to send two emails like “encrypted ZIP” or “password”.

  • Recipients do not need to remember passwords.

・ Because the phone number of the other party is written on the business card exchanged with each other, there is no need to negotiate the other party's password in advance.
There is.

  According to the present embodiment, a secure file transmission / reception system is provided, and a secure file transmission / reception system can be formed. The transmission side telephone number or / and the transmission side as transmission side attribute information known to the reception side. The recipient telephone number as the known recipient attribute information is recorded by the recipient so that it can be authenticated.

  This eliminates the need for two emails with a time lag, and gives sufficient consideration to key distribution, ensuring safety from end to end (from the sending side to the receiving side) even if there is an error. Thus, secure information transmission that is easy to use for the receiver is realized.

  According to the present embodiment, even if the secret sharing information is erroneously transmitted, the transmitted counterpart cannot perform the authentication operation, so that the electronic information file is not decrypted.

  According to the present embodiment, by providing the restoration period designation change column 34 or the restoration date designation date and time column 35, it is possible to send the attached shortcut file 15 with the due date designation.

  According to the present embodiment, by displaying a banner advertisement in the attached shortcut file 15, a secure file transmission / reception flight system 100 that is a free version can be configured inside the information providing apparatus 1A and the information receiving apparatus 1B. . As a result, the information receiving device is sent to the shortcut file acquired by the secure file transmission / reception system provided to the information providing device together with the transmitting side telephone number as the transmitting side attribute information representing the information providing device. As a result, the receiving side telephone number as the receiving side attribute information known to the transmitting side can be recorded by the sender, and the paid version and the free version can be separated for use.

  DESCRIPTION OF SYMBOLS 100 ... Secure file transmission / reception flight system, 200 ... Network system, 1 ... Device used as information provision apparatus and information reception apparatus, 1A ... Information provision apparatus, 1B ... Information reception apparatus, 2 ... Secure file transmission / reception flight management Device: 9 ... Secret sharing processing, 10 ... Cloud center, 11, 12, 13 ... Cloud, 14 ... Secure file transmission / reception, 15A ... Shortcut file, 15 ... Attached shortcut file, 16 ... Restoration processing, 21 ... Tally creation Means, 22 ... Storage management means, 23 ... Shortcut information generation means, 24 ... Secure file transmission / reception flight creation means, 25 ... Transmission means, 26 ... Reception means, 27 ... Authentication processing means, 28 ... Restoration means, 31 ... A column in which the telephone number of the sender is recorded, 32 ... a column in which the telephone number of the receiver is recorded, 3 ... recipient address designation field, 34 ... restoration period designation change field, 35 ... restoration date designation date / time field, 40A, 40B ... telephone number as known party authentication information known to the other party, 41 ... shortcut information, 42 ... mail Screen, 43 ... A field for selecting a storage location.

Claims (8)

A secure file transmission / reception flight system is provided from a secure file transmission / reception flight management device to a transmission side information providing device in a network system, and a reception side secure file transmission / reception flight system is provided to a reception side information reception device. An email transmission / reception service system for secure file transmission / reception ,
Receiving flight system of the sender secure file, the electronic information file tally divided to generate fragments secret dispersed, and shortcuts for transmitting the fragments to any cloud generated by shortcut transmitting side obtains the shortcut information, comprising a pre-Symbol information providing apparatus and a known recipient attribute information to the transmitting side the information receiving apparatus with a known sender attribute information to the receiving side as a current to ones as the current to stuff to obtain information, the shortcut information to form an attachment shortcut file that records and the transmission-side information, software subjected added the attachment shortcut file, to form a reception service sending possible secure file to a friend And is formed in the information providing device ,
Receiving flight system of the recipient secure file, serial and recorded as a receiving side information known recipient attribute information known sender attribute information or / and the transmitting side to the receiving side, the transmitted secured receiving a receive flight a file, both the information of the attached shortcut file to be recorded and recorded by the sender information was the recipient information to authenticate whether the same, the same as authentication has been obtained when, from the cloud based on the shortcut information attached to the attachment shortcut file, download a plurality of tally stored in the cloud, the tally to the information providing device that is electronically synthesized the electronic information comprises a software for restoring files, the information receiving apparatus to form the information receiving instrumentation from the information providing apparatus characterized by Secure file sending and receiving mail system that is sent to. In the secure file transmission / reception flight system according to claim 1,
The sender attribute information known to the receiver and the receiver attribute information known to the sender are either the other party's telephone number, address or address, Internet address, password, electronic mail address, or a combination thereof. A secure file transmission / reception flight system characterized by A secure file transmission / reception flight system is provided from a secure file transmission / reception flight management device to a transmission side information providing device in a network system, and a reception side secure file transmission / reception flight system is provided to a reception side information reception device. An email transmission / reception service system for secure file transmission / reception ,
Receiving flight system of the sender secure file, the electronic information file tally divided to generate fragments secret dispersed, and shortcuts for transmitting the fragments to any cloud generated by shortcut transmitting side obtains the shortcut information, comprising a pre-Symbol information providing apparatus and a known recipient phone number to the sender the information receiving apparatus with a known transmission side telephone number to the receiver as a current to ones as the current to stuff to obtain information, the shortcut information to form an attachment shortcut file that records and the transmission-side information, software subjected added the attachment shortcut file, to form a reception service sending possible secure file to a friend And is formed in the information providing device ,
Receiving flight system of the recipient secure file, serial and recorded as a receiving side information known recipient telephone number known transmission side telephone number or / and the transmitting side to the receiving side, the transmitted secured receiving a receive flight a file, both the information of the attached shortcut file to recorded has been transmitted directory number and recorded the received directory number to authenticate whether the same, obtained the same as the authentication of The tally stored in the cloud is downloaded from the cloud based on the shortcut information attached to the attached shortcut file, and the information providing apparatus electronically synthesizes the tally. the electronic information comprises a software for restoring files, the information information to be formed in the receiving device from the information providing apparatus characterized by Send and receive mail system of secure file that is sent to the receiving device. In the secure file transmission / reception flight system transmitted from the information providing apparatus according to any one of claims 1 to 3 to the information receiving apparatus,
For each information receiving device, based on the transmission information of the secure file transmission / reception flights from the information providing device to the information receiving device by the secure file transmission / reception facility management device managing the secure file transmission / reception flight system In addition, the number of transmissions of the secure file transmission / reception flights transmitted from the information providing apparatus or the number of uses of the transmission side telephone number used for the transmission / reception flights of the transmitted secure files is statistics. A secure file transmission / reception system transmitted from the information providing apparatus to the information receiving apparatus. A secure file transmission / reception flight system is provided from a secure file transmission / reception flight management device to a transmission side information providing device in a network system, and a reception side secure file transmission / reception flight system is provided to a reception side information reception device. A secure file transmission / reception method using a mail transmission / reception service system for secure file transmission / reception,
Receiving flight system of the sender secure file, the electronic information file tally divided to generate fragments secret dispersed, and shortcuts for transmitting the fragments to any cloud generated by shortcut transmitting side obtains the shortcut information, comprising a pre-Symbol information providing apparatus and a known recipient attribute information to the transmitting side the information receiving apparatus with a known sender attribute information to the receiving side as a current to ones as the current to stuff to obtain information, the shortcut information to form an attachment shortcut file that records and the transmission-side information, software subjected added the attachment shortcut file, to form a reception service sending possible secure file to a friend the have been formed in the information providing device, and attach the attachment shortcut file, secure Transmitted by the sending and receiving flights Airu,
Receiving flight system of the recipient secure file, serial and recorded as a receiving side information known recipient telephone number known transmission side telephone number or / and the transmitting side to the receiving side, the transmitted secured receiving a receive flight a file, both the information of the attached shortcut file to recorded has been transmitted directory number and recorded the received directory number to authenticate whether the same, obtained the same as the authentication of The tally stored in the cloud is downloaded from the cloud based on the shortcut information attached to the attached shortcut file, and the information providing apparatus electronically synthesizes the tally. the electronic information comprises a software for restoring files, is formed on the information receiving apparatus, to restore the electronic information file by Method of transmitting and receiving secure file by the sending and receiving mail system secure file transmitted from the information providing apparatus, wherein the information receiving apparatus. A secure file transmission / reception flight system is provided from a secure file transmission / reception flight management device to a transmission side information providing device in a network system, and a reception side secure file transmission / reception flight system is provided to a reception side information reception device. A secure file transmission / reception method by a secure file transmission / reception flight system by a mail transmission / reception flight system for secure file transmission / reception formed,
Receiving flight system of the sender secure file, the electronic information file tally divided to generate fragments secret dispersed, and shortcuts for transmitting the fragments to any cloud generated by shortcut transmitting side obtains the shortcut information, comprising a pre-Symbol information providing apparatus and a known recipient phone number to the sender the information receiving apparatus with a known transmission side telephone number to the receiver as a current to ones as the current to stuff to obtain information, the shortcut information to form an attachment shortcut file that records and the transmission-side information, software subjected added the attachment shortcut file, to form a reception service sending possible secure file to a friend the have been formed in the information providing apparatus, denoted added the attachment shortcut file, secure Transmitted by the sending and receiving flights Airu,
Receiving flight system of the recipient secure file, serial and recorded as a receiving side information known recipient telephone number known transmission side telephone number or / and the transmitting side to the receiving side, the transmitted secured receiving a receive flight a file, both the information of the attached shortcut file to recorded has been transmitted directory number and recorded the received directory number to authenticate whether the same, obtained the same as the authentication of The tally stored in the cloud is downloaded from the cloud based on the shortcut information attached to the attached shortcut file, and the information providing apparatus electronically synthesizes the tally. the electronic information comprises a software for restoring files, is formed on the information receiving apparatus, to restore the electronic information file by Method of transmitting and receiving secure file by the sending and receiving mail system secure file transmitted from the information providing apparatus, wherein the information receiving apparatus. In a network system formed with a secure file transmission / reception service system transmitted from the information providing apparatus according to claim 1 to the information receiving apparatus,
The information providing device is
For electronic information capable of recognizing predetermined information, it is impossible to recognize the predetermined information by itself, and a tally is created to create a plurality of tallys that allow the predetermined information to be recognized by combining a plurality of electronic information means,
Storage management means for dividing and storing the created tallys in a cloud as a storage institution specified in advance via communication means;
Shortcut information generating means for generating shortcut information;
Shortcut information providing means for providing shortcut information to the attached shortcut file generating means of the secure file transmission / reception flight system,
With
The information receiving device is
A restoration means for downloading a plurality of tally stored in the cloud based on the authentication generated by the secure file transmission / reception system and restoring the original electronic information file by electronically synthesizing the tally,
A network system equipped with a secure file transmission / reception flight system. A device having both functions used as an information providing device and an information receiving device in a network system,
When functioning as an information provider on the sending side,
For electronic information capable of recognizing predetermined information, it is impossible to recognize the predetermined information by itself, and a tally is created to create a plurality of tallys that allow the predetermined information to be recognized by combining a plurality of electronic information means,
Storage management means for dividing and storing the created tallys in a cloud as a storage institution specified in advance via communication means;
Shortcut information generating means for generating shortcut information;
Shortcut information providing means for providing shortcut information to the attached shortcut file generating means of the secure file transmission / reception flight system,
With
When functioning as an information receiving device on the information receiving side,
A restoration means for downloading a plurality of tally stored in the cloud based on the authentication generated by the secure file transmission / reception system and restoring the original electronic information file by electronically synthesizing the tally,
With
Receiving flight systems of the sending secure file, the electronic information file tally divided to generate fragments secret dispersed, and shortcuts for transmitting the fragments to any cloud was generated by shortcut Gets the shortcut information, sender information comprising a known recipient attribute information the information receiving apparatus with a known sender attribute information to the transmission side as a current to ones on the reception side before Symbol information providing device as a current to stuff acquires the form shortcut information and the attached shortcut file that records said sender information, denoted added the attachment shortcut file, the software that forms a reception service sending possible secure file to a friend Formed in the information providing device ,
Receiving flight system of the receiving secure file, serial and recorded as a receiving side information known recipient attribute information known sender attribute information or / and the transmitting side to the receiving side, secure sent receiving a receive mail file, both the information of the attached shortcut file to be recorded and recorded by the sender information was the recipient information to authenticate whether the same, when the same and authentication is obtained The plurality of tally stored in the cloud is downloaded from the cloud based on the shortcut information attached to the attached shortcut file, and the information providing apparatus electronically synthesizes the tally. a software for restoring the electronic information file, the information information Hisage to be formed in the receiving device in a network system comprising Apparatus having both functions to be used as the apparatus and information receiving apparatus.

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