JP7074318B2 - Information processing system to be taken over - Google Patents

Description

The present invention relates to an information processing system to be taken over, and more particularly to an information processing apparatus to be taken over, an information processing method to be taken over, and an information processing program to be taken over.

Information to be inherited, such as information to be inherited by the heir (heritage inheritance information), must be kept confidential when the decedent is in a normal state. In addition, when an abnormality occurs in the decedent, it is necessary to ensure that the heir can obtain the information to be taken over from the storage location.

In information processing devices such as servers, a number of techniques for processing such information to be taken over as digitized information have been proposed so far.

For example, Patent Document 1 discloses a technique relating to an information inheritance system that manages electronic information including wills and asset management information on a system and provides information only to a specific person.

Patent Document 2 permits the file owner and the file owner to encrypt the file owned by the client and send it to the Web file server, and further encrypt the file itself even when it is stored in the Web file server. Disclosed is a technology relating to an electronic file management system that can only be decrypted by a successful inheritor.

Further, Patent Documents 3 and 4 disclose a technique relating to an ending service system including a service support device that supports the provision of services related to human death.

Japanese Patent No. 4,824,112 Japanese Patent No. 5,565,857 Japanese Patent No. 5,704,540 Japanese Patent No. 5,760,289

However, the information processing technology to be taken over disclosed in the above-mentioned Patent Documents 1, 2, 3, 4 and the like can safely transfer the information to be taken over stored in advance by the hand-over-use terminal device to the take-over-use terminal device. It is still not enough in terms of ensuring that it can be provided.

The problem is to cooperate with the successor-using terminal device, the successor-using terminal device, and the surrogate-using terminal device that use multiple keys, and to transfer the information to be taken over that is stored in advance by the successor-using terminal device to the successor-using terminal. The purpose is to realize an epoch-making information processing technology to be taken over that can be safely and surely provided to the device.

In order to solve the above problem, one aspect of the transfer target information processing device includes a first storage area for storing transfer target information encrypted by a key predetermined by the successor, a protected encryption key, and a protected decryption. A pair of protected keys consisting of a key, a pair of a takeover key composed of a takeover encryption key and a takeover decryption key, a pair of a takeover start key composed of a takeover start encryption key and a takeover start decryption key, and the successor. A storage unit comprising at least one second storage area, which stores at least one of the information necessary for initiating an encrypted takeover, including a predetermined key;
When an abnormality occurs in the successor, the protection / decryption key is acquired from the second storage area by the successor using a predetermined key, decrypted, and the decrypted protection / decryption key is used to obtain the protection / decryption key. A means for enabling the successor-using terminal device to acquire the takeover start / decryption key from the storage area, decode the key, and store the decrypted takeover start / decryption key in the second storage area, and the decryption. The agent user terminal obtains and decodes the takeover / decryption key from the second storage area by the takeover start / decryption key, and stores the decrypted takeover / decryption key in the second storage area. With the means enabled by the device and the decrypted takeover / decryption key, the information necessary for the takeover start is acquired from the second storage area, decoded, and the decoded information necessary for the takeover start is obtained. The above-mentioned method of acquiring and decrypting the transfer target information transmitted from the transferee-using terminal device and stored in the first storage area by the included key predetermined by the successor. The takeover user terminal device is provided with a means to enable it, and a processor including.

In another aspect of the transfer target information processing device, the transfer target information processing device has a first storage area for storing the transfer target information encrypted by the key predetermined by the successor, a protection key, a transfer key, a transfer start key, and the transfer target information device. A storage unit including at least one second storage area, which stores at least one of the information necessary for initiating the encrypted transfer, including a predetermined key by the transferor;
When an abnormality occurs in the successor, the protection key is acquired from the second storage area by the successor using a predetermined key, decoded, and the decrypted protection key is used for the second storage. A means for enabling the takeover user terminal device to acquire the takeover start key from the area, decode it, and store the decrypted takeover start key in the second storage area, and the decrypted takeover. As a means for enabling the agent user terminal device to acquire the takeover key from the second storage area, decode it, and store the decrypted takeover key in the second storage area by using the start key. , The decrypted takeover key acquires the information necessary for the takeover start from the second storage area, decodes it, and includes the decrypted information necessary for the takeover start. Allows the takeover user terminal device to acquire and decode the takeover target information transmitted from the takeover user terminal device and stored in the first storage area by using a predetermined key. It comprises means and a processor including;

In the information processing apparatus to be taken over in the other aspect, one or two of the protection key, the takeover key, and the takeover start key may be a key pair composed of an encryption key and a decryption key. ..

In each of the above embodiments, the storage unit further includes a third storage area for storing the information to be erased encrypted by another key predetermined by the successor;
The processor has the information to be erased stored in the third storage area after the information necessary for starting the takeover, which is stored in the second storage area, is acquired in the takeover user terminal device. Further includes means for erasing.

In each of the above embodiments, the at least one second storage area stores the first key storage area for storing the protection key and the takeover key, and the takeover start key and the information necessary for the takeover start. Includes 2 key storage areas.

In each of the above embodiments, the at least one second storage area contains the protection key, the takeover key, the first key storage area for storing the takeover start key, and the information necessary for starting the takeover. Includes a second key storage area for storage.

In each of the above embodiments, the protection key stored in the second storage area is encrypted with a key predetermined by the successor.
The takeover start key stored in the second storage area is encrypted by the protection key.
The takeover key stored in the second storage area is encrypted by the takeover start key and is encrypted.
The key predetermined by the takeover, which is included in the information necessary for starting the takeover stored in the second storage area, is encrypted by the takeover key.

In each of the above embodiments, the protection / decryption key stored in the second storage area is encrypted with a key predetermined by the successor.
The takeover start decryption key stored in the second storage area is encrypted by the protection encryption key.
The takeover decryption key stored in the second storage area is encrypted by the takeover start encryption key.
The key predetermined by the takeover, which is included in the information necessary for starting the takeover stored in the second storage area, is encrypted by the takeover encryption key.

In each of the above embodiments, the second storage area is configured for each successor.

In each of the above embodiments, the second storage area further stores the transfer start contact information of the successor and the transfer start contact information of the successor.

In each of the above embodiments, the transfer target information includes information to be inherited by the heir as the successor.
The information necessary for starting the inheritance includes the information necessary for starting the inheritance.
The erasure target information includes information to be erased at the time of inheritance.

The above-mentioned information processing apparatus to be taken over may be implemented as an information processing method to be taken over and an information processing program to be taken over.

According to the disclosed technology, the transfer target information stored in advance by the successor-use terminal device in cooperation with the successor-use terminal device, the successor-use terminal device, and the agent-use terminal device using a plurality of keys can be obtained. It is possible to realize an epoch-making information processing technology to be taken over that can be safely and surely provided to a terminal device used by a takeover.

Other issues, features and advantages will become apparent by reading the embodiments described below for carrying out the invention as taken up with the drawings and the claims.

The block diagram which shows the structure of the electronic heritage inheritance information processing system of one Embodiment. The block diagram which shows the structure of the terminal apparatus in one Embodiment. The block diagram which shows the structure of the heritage inheritance information processing apparatus in one Embodiment. The block diagram which shows the detailed structure of the heritage inheritance information processing apparatus in one Embodiment. The figure for demonstrating the user information management table in one Embodiment. The figure for demonstrating the key information management table in one Embodiment. The figure for demonstrating the inheritance-related information management table in one Embodiment. The figure for demonstrating the outline of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment. The figure for demonstrating the details of the electronic heritage inheritance information processing in one embodiment.

Hereinafter, the description will be described in more detail with reference to the attached drawings. The drawings show preferred embodiments. However, it can be implemented in many different embodiments and is not limited to the embodiments described herein.

[Electronic heritage inheritance information processing system]
Referring to FIG. 1 showing a system configuration in one embodiment, the information processing system to be taken over is embodied as an electronic (digital) heritage inheritance information processing system 1.

The electronic heritage inheritance information processing system 1 includes a heritage inheritance information processing device 2, a plurality of terminal devices 3, and a communication network 4. The heritage inheritance information processing device 2 cooperates with a plurality of terminal devices 3 (3A, 3B, 3C) using a plurality of keys via a communication network 4, and inheritance target information stored in advance by the terminal device 3 (3A). To realize an epoch-making electronic heritage inheritance information processing technology that can safely and surely provide the terminal device 3 (3B).

The communication network 4 connects a telephone network including an exchange, an IP (Internet Protocol) network such as the Internet including a router, and the telephone network and the IP network to convert voice signals and IP packets into VoIP (Voice over). Internet Protocol) Consists of gateways, etc. The communication network 4 accommodates the inheritance information processing device 2 and a plurality of terminal devices 3 (3A, 3B, 3C, 3D), respectively. In the following description, the intervention of the communication network 4 will be omitted unless it becomes unclear.

The plurality of terminal devices 3 include a decedent-using terminal device 3A, an heir-using terminal device 3B, an agent (call center) -using terminal device 3C, and a researcher-using terminal device 3D.

The decedent-using terminal device 3A, the heir-using terminal device 3B, the agent-using terminal device 3C, and the investigator-using terminal device 3D are fixed-phone terminals and mobile devices as long as they have a voice communication function and a data communication function. A single configuration or a composite configuration including at least one of a telephone terminal (including a smartphone) and a computer terminal (including a personal computer and a tablet terminal) can be adopted.

The decedent-using terminal device 3A, the heir-using terminal device 3B, the agent-using terminal device 3C, and the investigator-using terminal device 3D communicate with each other or with the heritage inheritance information processing device 2 in order to perform voice communication and data communication. Is assigned a phone number, e-mail address and IP address.

More specifically, the plurality of terminal devices 3 (3A, 3B, 3C, 3D) in the electronic heritage inheritance information processing system 1 include hardware and functional components as illustrated in FIG. That is, each terminal device 3 stores a CPU (Central Processing Unit) 11 as a processor, a RAM (Random Access Memory) 12 as a working memory, and a boot program for startup as hardware components. A ROM (Read Only Memory) 13 is provided.

Each terminal device 3 has a non-volatile flash memory 14 that rewritably stores an OS (Operating System), an application program, and various information (including data), a communication control unit 15, a NIC (Network Interface Card), and the like. Further includes a communication interface (IF) unit 16 of the above.

Further, each terminal device 3 further includes a display control unit 17, a display unit 18, an information input / designation unit 19, and the like. Further, the terminal device 3 (3A, 3B, 3C) includes an encryption processing unit, a decryption processing unit, and the like as functional components.

In order to logically realize the functions described in detail later in each terminal device 3, a Web (Web: World Wide Web) browser, e-mail software, a terminal control program, and the like are installed as application programs in the flash memory 14. back. Then, in each terminal device 3, the processor (CPU) 11 expands and executes the application program in the RAM 12 when the power is turned on or the user (user) gives an instruction.

The heritage inheritance information processing device 2 in the electronic heritage inheritance information processing system 1 is an information storage server operated and managed by an ISP (Internet service provider) or the like, and performs electronic heritage inheritance information processing described in detail later. By implementing this, the desired electronic (digital) heritage inheritance service is provided to the terminal device 3 of the service user contractor.

The heritage inheritance information processing apparatus 2 has both a data communication function and a voice communication function, and includes hardware and functional components as illustrated in FIG. That is, the inheritance information processing apparatus 2 includes a CPU 21 as a processor, a RAM 22 as a working memory, and a ROM 23 storing a boot program for booting as hardware components.

Further, the heritage inheritance information processing apparatus 2 includes a non-volatile flash memory 24 that rewritably stores an OS, an application program, and various information (including data), a communication control unit 25, and a communication interface (IF) such as an NIC. ) Further with a unit 26 and the like.

The inheritance information processing device 2 has, as functional components to be described in detail later, an inheritance information storage area M1, an inheritance erase information storage area M2, an heir's key storage area M3, an heir's key storage area M4, and a user. It includes an information management table TB1, a key information management table TB2, an inheritance-related information management table TB3, and the like. These functional components are configured in the flash memory 24.

In order to logically realize the functions described in detail later in the heritage inheritance information processing apparatus 2, an electronic heritage inheritance information processing program is installed as an application program in the flash memory 24. Then, in the inheritance information processing apparatus 2, the processor (CPU) 21 constantly expands and executes this processing program in the RAM 22 when the power is turned on.

[Details of inheritance information processing equipment]
Subsequently, the detailed configuration of the heritage inheritance information processing apparatus 2 in the electronic heritage inheritance information processing system 1 will be described with reference to FIGS. 1 to 7.

The inheritance information processing apparatus 2 includes an inheritance information storage area M1 and an inheritance erase information storage area M2. The inheritance information storage area M1 and the inheritance erase information storage area M2 are configured in the flash memory 24 as a storage unit for each decedent PS1.

The inheritance information storage area M1 is a storage area for storing (preserving) the inheritance target information IF1 which is the information to be inherited by the heir. The inheritance target information IF1 in the inheritance information storage area M1 is encrypted (using) by the decedent management key KY1 which is a key (plaintext secret key) predetermined by the decedent PS1.

The inheritance target information IF1 is inheritance information to the heir (legal heir such as spouse, child) PS2 when an abnormality occurs in the decedent PS1, the bank account number / password, and the net bank. Includes ID / password, securities account ID / password, and contact information of the lawyer who entrusted the management of the will. Here, the time when an abnormality occurs in the decedent PS1 includes when the decedent PS1 dies, when a dementia disease develops, or when a state requiring long-term care is required.

The process of creating the decedent management key KY1 and the process of encrypting the inherited target information IF1 are performed in the decedent-using terminal device 3A.

Further, the inheritance erase information storage area M2 is a storage area for storing the erase target information IF2 which is the information to be erased at the time of inheritance. The erasure target information IF2 in the inheritance erasure information storage area M2 is encrypted by the inheritance erasure key KY2, which is a key (plaintext secret key) predetermined by the decedent PS1.

The information to be erased IF2 is confidential information to be erased when an abnormality occurs in the heir PS1, and includes a site password, a sauna membership number, an image that the heir PS2 does not want to see, and the like. The erase target information IF2 stored in the inheritance erase information storage area M2 is automatically erased after a predetermined period has elapsed when the inheritance (inheritance procedure) is started. Here, the predetermined period is set by the decedent PS1 in the decedent-using terminal device 3A in a format such as year / month / day, hour: minute, and the like. When the predetermined period is set to "0", the erasure target information IF2 is immediately erased.

The process of creating the erasure key KY2 at the time of inheritance and the encryption process of the erasure target information IF2 are performed in the decedent-using terminal device 3A.

The inheritance information processing apparatus 2 includes a key storage area M3 of an heir configured for each heir PS2 in a flash memory 24. The key storage area M3 of the heir is a storage area for storing the protection encryption key KY3A and the protection decryption key KY3F as a pair of the protection key KY3 for encrypting and decrypting the inheritance start key KY5 described later. ..

Here, since the public key encryption technology (public key encryption method) is applied to the pair of the protected key KY3, the protected decryption key KY3F is a private key, and is a key (plain secret key) predetermined by the heir PS2. It is encrypted by the key KY6 of a certain protection / decryption key and stored in the key storage area M3 of the heir. Further, the protected encryption key KY3A is a public key, is not encrypted, and is stored in plain text in the key storage area M3 of the heir. The protection / decryption key KY3F before encryption is not stored in the key storage area M3 of the heir.

Further, here, the pair of the protection key KY3 is automatically generated under the initiative of the heir PS2, and is created for each heir PS2. By creating a pair of the protection key KY3 for each heir PS2, it is possible to carry out the inheritance by any of the protection / decryption keys KY3F when the key is forgotten. It is also possible for all heirs PS2 to use the same pair of protection keys KY3.

The process of creating the key KY6 of the protection / decryption key, the process of creating the pair of the protection key KY3, and the encryption process of the protection / decryption key KY3F are performed in the heir-using terminal device 3B.

Further, the key storage area M3 of the heir is used as a pair of the inheritance key KY4 for encrypting and decrypting the inheritance necessary information (information necessary for starting the inheritance) IF3 in the key storage area M4 of the decedent, which will be described later. It is also a storage area for storing the inheritance encryption key KY4A and the inheritance decryption key KY4F.

Here, since the public key encryption technology is applied to the pair of the inheritance key KY4, the inheritance decryption key KY4F is a private key, encrypted by the inheritance start encryption key KY5A, and stored in the heir's key storage area M3. To. Further, the inheritance encryption key KY4A is a public key, is not encrypted, and is stored in plain text in the key storage area M3 of the heir. The inheritance decryption key KY4F before encryption is not stored in the key storage area M3 of the heir.

Further, here, the pair of the inheritance key KY4 is automatically generated under the initiative of the decedent PS1 and is created for each heir PS2. By creating a pair of inheritance key KY4 for each heir PS2, it is possible to carry out inheritance with either inheritance decryption key KY4F at the time of key forgetting. It is also possible for all heirs PS2 to use the same pair of inheritance keys KY4.

The process of creating the pair of the inheritance key KY4 and the process of encrypting the inheritance decryption key KY4F are performed in the decedent-using terminal device 3A.

The heir's key storage area M3 further stores the heir's initial contact DS2 in clear text. The inheritance start contact DS2 of this heir is a telephone number, an e-mail address, etc. for contacting when the inheritance is started, and it is preferable to store as many types of contacts as possible. .. The inheritance start contact DS2 of the heir may be, for example, link information to the contact of the heir PS2 stored in the user information management table TB1. The heir's inheritance start contact DS2 is automatically updated when the heir PS2 changes the contact.

The process of creating the contact DS2 at the start of inheritance of the heir is carried out by the decedent-using terminal device 3A or the inheritance information processing device 2.

The inheritance information processing apparatus 2 includes a key storage area M4 of the decedent configured for each decedent PS1 in the flash memory 24. The decedent's key storage area M4 is a storage area for storing the inheritance start encryption key KY5A and the inheritance start decryption key KY5F as a pair of the inheritance start key KY5 for encrypting and decrypting the inheritance key KY4. be.

Here, since the public key encryption technology is applied to the pair of the inheritance start key KY5, the inheritance start decryption key KY5F is a private key, encrypted by the protection encryption key KY3A, and stored in the decedent's key storage area M4. Will be stored. Further, the inheritance start encryption key KY5A is a public key, is not encrypted, and is stored in plain text in the key storage area M4 of the decedent. The inheritance start / decryption key KY5F before encryption is not stored in the key storage area M4 of the decedent. Further, the inheritance start / decryption key KY5F before encryption is stored in the decedent-using terminal device 3A when shared by all the heirs PS2. When not stored in the decedent-using terminal device 3A, the inheritance start / decryption key KY5F before encryption is generated for each heir PS2.

Further, here, the pair of the inheritance start key KY5 is automatically generated under the initiative of the decedent PS1 and is created for each heir PS2. By creating a pair of the inheritance start key KY5 for each heir PS2, it is possible to carry out the inheritance by any of the inheritance start / decryption keys KY5F at the time of key forgetting. It is also possible for all heirs PS2 to use the same pair of inheritance start keys KY5.

The process of creating the pair of the inheritance start key KY5 and the encryption process of the inheritance start decryption key KY5F are performed in the decedent-using terminal device 3A.

The key storage area M4 of the decedent is also a storage area for storing the inheritance necessary information (information necessary for starting the inheritance) IF3.

The inheritance necessary information IF3 in the key storage area M4 of the decedent is encrypted by the inheritance encryption key KY4A. The inheritance necessary information IF3 includes the login ID of the decedent PS1, the login password (PW) of the decedent PS1, and the decedent management key KY1. Inheritance necessary information IF3 is created for each heir PS2.

The process of creating the inheritance required information IF3 and the encryption process of the inheritance required information IF3 are performed in the decedent-using terminal device 3A.

The decedent's key storage area M4 stores the heir's inheritance start contact DS2 in plain text. The heir's inheritance start contact DS2 is created for each heir PS2. The heir's inheritance start contact DS2 may be link information to the heir's inheritance start contact DS2 stored in the heir's key storage area M3. The heir's inheritance start contact DS2 is automatically updated when the heir PS2 changes the contact.

The process of creating the contact DS2 at the start of inheritance of the heir is carried out by the decedent-using terminal device 3A or the inheritance information processing device 2.

The decedent's key storage area M4 further stores the decedent's inheritance start contact DS1 in clear text. The decedent's inheritance start contact DS1 is created for each decedent. The inheritance start contact DS1 of the decedent may be, for example, link information to the contact of the decedent PS1 stored in the user information management table TB1. The decedent's inheritance start contact DS1 is automatically updated when the decedent PS1 changes the contact.

The process of creating the contact DS1 at the start of inheritance of the decedent is carried out by the decedent-using terminal device 3A or the inheritance information processing device 2.

The inheritance information processing apparatus 2 in the electronic inheritance information processing system 1 of the above-described embodiment includes a user information management table TB1, a key information management table TB2, and an inheritance-related information management table TB3. These tables TB1, TB2, and TB3 are configured in a flash memory 24 as a storage unit.

FIG. 5 shows an example of the user information management table TB1. This user information management table TB1 is provided for each heir PS1 in order to make an association between users. Strictly speaking, the contents of the special notes are managed in a table (not shown) different from this table TB1. The priority of the plurality of heirs PS2, that is, the order of the spouse, the first-ranked statutory heir, the second-ranked statutory heir, and the like can be arbitrarily set by the decedent PS1. The name and area in charge of the investigator PS4 can be selectively set by the agent PS3.

FIG. 6 shows an example of the key information management table TB2. This key information management table TB2 is provided for each heir PS1 and heir PS2 in order to associate the key information with the storage area (storage area). The plaintext character string with () is not stored in the key information management table TB2. The protection decryption key KY3F, the inheritance decryption key KY4F, and the inheritance start decryption key KY5F are stored in the key information management table TB2 when the inheritance is started.

FIG. 7 shows an example of the inheritance-related information management table TB3. This inheritance-related information management table TB3 is provided for each heir PS1 and heir PS2 in order to associate the inheritance-related information with the storage area (storage area). That is, the inheritance target information IF1 and the erasure target information IF2 and the storage areas M1 and M2 are associated with each heir PS1. Further, the inheritance necessary information IF3 and the storage area M4 are associated with each heir PS2.

[Electronic heritage inheritance information processing]
Next, the electronic heritage inheritance information processing in the electronic heritage inheritance information processing system 1 will be described with reference to FIGS. 1 to 4 and related diagrams.

In each terminal device 3, a terminal control program or the like is activated when the power is turned on or an instruction is given by the user, and the processor (CPU) 11 executes the following processing. Further, in the inheritance information processing apparatus 2, the electronic inheritance information processing program is started when the power is turned on, and the processor (CPU) 21 executes the following processing.

[S101] User registration: (See FIG. 8)
The decedent PS1, the heir PS2, the agent PS3, and the investigator PS4 are displayed on the decedent use terminal device 3A, the heir use terminal device 3B, the agent use terminal device 3C, and the investigator use terminal device 3D. User registration is performed via the screen (account registration screen). The data for displaying this screen is described in a predetermined markup language (for example, HTML (Hyper Text Markup Language)), and the inheritance information is according to each user's action (registration designation operation) at the time of service use contract. It is transmitted from the processing device 2 to each terminal device 3.

In this user registration, the login ID, login password (PW), contact information (email address), and contact information (phone number) for the decedent PS1, heir PS2, agent PS3, and investigator PS4. User information such as is registered respectively. These user information are stored in the user information management table TB1 in the inheritance information processing apparatus 2 as shown in FIG. 5 as an example.

[S102] Creation / storage of decedent management key KY1: (see FIG. 8)
The decedent PS1 determines and creates a character string (for example, hhh in plain text) of a password (encryption / decryption password) used as the decedent management key KY1 in the decedent use terminal device 3A in advance. I will do it. Then, the decedent PS1 stores the decedent management key KY1 determined in advance in a predetermined storage area in the decedent-using terminal device 3A.

The decedent PS1 may also store the decedent management key KY1 determined in advance in the specific storage area of the inheritance information processing apparatus 2 in order to deal with the case of key forgetting.

[S103] Creation / storage of inheritance target information IF1: (see FIGS. 8 and 9)
The decedent PS1 creates or updates the inheritance target information IF1 which is the information to be inherited by the heir in the decedent-using terminal device 3A. Then, the decedent PS1 encrypts (using) the decedent management key KY1 in which the inheritance target information IF1 is determined in advance in the decedent use terminal device 3A.

The encrypted inheritance target information IF1 is transmitted from the decedent-using terminal device 3A to the inheritance information processing device 2. Then, the inheritance inheritance information processing apparatus 2 stores (stores) the received inheritance target information IF1 in the corresponding area of the decedent PS1 of the inheritance information storage area M1. This process S103 can be executed at an arbitrary timing according to the action (update designation operation) of the decedent PS1 when the decedent PS1 is in the normal state.

The inheritance information storage area M1 corresponding to the decedent PS1 is automatically secured, for example, in response to the action of the decedent PS1 (the user registration operation).

[S104] Creation / storage of inheritance erasure key KY2: (see FIG. 8)
The decedent PS1 determines and creates in advance a character string (for example, iii in plain text) of a password (encryption / decryption password) to be used as the inheritance erasing key KY2 in the decedent-using terminal device 3A. Then, the decedent PS1 stores the predetermined inheritance erasing key KY2 in a predetermined storage area in the decedent-using terminal device 3A.

The decedent PS1 may also store the predetermined inheritance erasure key KY2 in the specific storage area of the inheritance information processing apparatus 2 in order to deal with the case of key forgetting.

[S105] Creation / saving of erasure target information IF2: (see FIGS. 8 and 10)
The decedent PS1 creates or updates the erasure target information IF2, which is the information to be erased at the time of inheritance, in the decedent-using terminal device 3A. Then, the decedent PS1 has the decedent-using terminal device 3A perform encryption processing of the erasure target information IF2 by a predetermined inheritance erasure key KY2.

The encrypted erasure target information IF2 is transmitted from the decedent-using terminal device 3A to the inheritance information processing device 2. Then, the inheritance inheritance information processing apparatus 2 stores the received erasure target information IF2 in the corresponding area of the decedent PS1 of the inheritance erasure information storage area M2. This process S105 can be executed at an arbitrary timing according to the action (update designation operation) of the decedent PS1 when the decedent PS1 is in the normal state.

The inheritance erase information storage area M2 corresponding to the decedent PS1 is automatically secured, for example, in response to the action of the decedent PS1 (the user registration operation).

[S106] Creation / storage of key KY6 for protection / decryption key: (see FIG. 8)
The heir PS2 predetermines and creates a character string (for example, aaa in plain text) of a password (encryption / decryption password) to be used as the key KY6 of the protection / decryption key in the heir-use terminal device 3B. Then, the heir PS2 stores the key KY6 of the protection / decryption key determined in advance in a predetermined storage area in the heir-using terminal device 3B.

The heir PS2 may also store the predetermined protection / decryption key key KY6 in the specific storage area of the inheritance information processing apparatus 2 in order to deal with the case of key forgetting.

[S107] Creation / storage of protection key KY3: (See FIGS. 8 and 11)
In the heir-using terminal device 3B, a pair of the protection key KY3 is created according to the action (creation designation operation) of the heir PS2. The pair of the protection key KY3 is the protection encryption key KY3A of the public key and the protection decryption key KY3F of the private key. This pair of protection keys KY3 can be automatically generated by executing a predetermined command (for example, the ssh-keygen command) in the heir-using terminal device 3B.

The created protection / decryption key KY3F is further encrypted by the protection / decryption key key KY6 stored in a predetermined storage area in the heir-using terminal device 3B. A common key encryption technique (common key encryption method) is applied to the encryption of the protection / decryption key KY3F.

The protection key KY3 including the created protection encryption key KY3A and the encrypted protection / decryption key KY3F is transmitted from the heir-use terminal device 3B to the inheritance information processing device 2. Then, the inheritance inheritance information processing apparatus 2 stores the received protection key KY3 in the corresponding area of the heir PS2 of the heir's key storage area M3. The key storage area M3 of the heir corresponding to the heir PS2 is automatically secured, for example, in response to the action of the heir PS1 (the user registration operation).

[S108] Creation / storage of inheritance start key KY5: (See FIGS. 8 and 12)
In the decedent-using terminal device 3A, a pair of the inheritance start key KY5 is created according to the action (creation designation operation) of the decedent PS1. The pair of the inheritance start key KY5 is the inheritance start encryption key KY5A of the public key and the inheritance start decryption key KY5F of the private key. The pair of the inheritance start key KY5 can be automatically generated by executing the above command in the decedent-using terminal device 3A.

The created inheritance start decryption key KY5F is further encrypted by the protection encryption key KY3A stored in the key storage area M3 of the heir in the inheritance inheritance information processing apparatus 2. The decedent-using terminal device 3A acquires the protection encryption key KY3A stored in the heir's key storage area M3 for this encryption. Public key cryptography is applied to the encryption of the inheritance start decryption key KY5F.

The inheritance start key KY5 including the created inheritance start encryption key KY5A and the encrypted inheritance start decryption key KY5F is transmitted from the decedent use terminal device 3A to the inheritance inheritance information processing device 2. Then, the inheritance inheritance information processing apparatus 2 stores the pair of the inheritance start key KY5 received in the corresponding area of the decedent PS1 of the decedent's key storage area M4. The key storage area M4 of the decedent corresponding to the decedent PS1 is automatically secured, for example, in response to the action of the decedent PS1 (the user registration operation).

[S109] Creation / storage of inheritance key KY4: (See FIGS. 8 and 13)
In the decedent-using terminal device 3A, a pair of the inheritance key KY4 is created according to the action (creation designation operation) of the decedent PS1. The pair of the inheritance key KY4 is the inheritance encryption key KY4A of the public key and the inheritance decryption key KY4F of the private key. This pair of inheritance keys KY4 can be automatically generated by executing the above command in the decedent-using terminal device 3A.

The created inheritance decryption key KY4F is further encrypted by the inheritance start encryption key KY5A stored in the key storage area M4 of the decedent in the inheritance inheritance information processing apparatus 2. The decedent-using terminal device 3A acquires the inheritance start encryption key KY5A stored in the decedent's key storage area M4 for this encryption. Public key cryptography is applied to the encryption of the inheritance decryption key KY4F.

The inheritance key KY4 including the created inheritance encryption key KY4A and the encrypted inheritance decryption key KY4F is transmitted from the decedent use terminal device 3A to the inheritance inheritance information processing device 2. Then, the inheritance inheritance information processing apparatus 2 stores the pair of the inheritance key KY4 received in the corresponding area of the heir PS2 of the key storage area M3 of the heir.

[S110] Creation / storage of inheritance necessary information IF3: (See FIGS. 8 and 14)
The decedent PS1 inputs the inheritance necessary information IF3 including the login ID of the decedent PS1, the login PW of the decedent PS1, and the decedent management key KY1 in the decedent use terminal device 3A from the registration screen. Create or update.

Then, the decedent PS1 uses the inheritance encryption key KY4A in which the inheritance necessary information IF3 created or updated in the decedent use terminal device 3A is stored in the heir's key storage area M3 in the inheritance inheritance information processing device 2. Let it be encrypted. The decedent-using terminal device 3A acquires the inheritance encryption key KY4A stored in the heir's key storage area M3 for this encryption processing. Public key cryptography is applied to the encryption of the inheritance required information IF3.

The encrypted inheritance necessary information IF3 is transmitted from the decedent-using terminal device 3A to the inheritance inheritance information processing device 2. Then, the inheritance inheritance information processing apparatus 2 stores the inheritance necessary information IF3 received in the corresponding area of the heir PS2 of the key storage area M4 of the decedent. This process S110 can be executed at an arbitrary timing according to the action (update designation operation) of the decedent PS1 when the decedent PS1 is in the normal state. When the inheritance requirement information IF3 including the login ID of the decedent PS1, the login PW of the decedent PS1, and the decedent management key KY1 is changed, the decedent PS1 needs to execute this update designation operation. ..

The key storage area M4 of the decedent corresponding to the heir PS2 is automatically secured, for example, in response to the action of the decedent PS1 (the user registration operation).

[S111] Inheritance start request: (See FIGS. 8 and 15)
When an abnormality occurs in the decedent PS1 and an inheritance is required, the heir PS2 inherits from the heir-using terminal device 3B to the agent-using terminal device 3C by communication such as telephone call or e-mail. Notify (send) the start request (inheritance start request message).

In the agent use terminal device 3C that has received the inheritance start request from the heir use terminal device 3B, the agent PS3 who is the operator of the call center inherits the death certificate, the medical certificate, the care certificate, etc. by the above communication. Asks the heir PS2 to submit official certificates that can prove that he needs.

The heir PS2 submits official certificates in response to the instructions of the agent PS3. The submission of these certificates is carried out by uploading to the call center website, sending by e-mail to the call center, mailing to the call center, or handing it to the investigator PS4 in the area in charge dispatched from the call center.

Then, the call center, that is, the heir PS2 who has obtained approval by the agent PS3, acquires the protection / decryption key KY3F stored in the heir's key storage area M3 in the heir-using terminal device 3B. The protection / decryption key KY3F is a secret key encrypted by the protection / decryption key key KY6.

In the heir-using terminal device 3B that has acquired the encrypted protection / decryption key KY3F, when the protection / decryption key key KY6 created and managed in advance by the heir PS2 is input, the input protection / decryption key key KY6 is input. Decrypts the protection decryption key KY3F.

Subsequently, in the heir-using terminal device 3B, the inheritance start / decryption key KY5F stored in the key storage area M4 of the decedent is acquired. The inheritance start decryption key KY5F is a private key encrypted by the public key protection encryption key KY3A.

In the heir-using terminal device 3B that has acquired the encrypted inheritance start / decryption key KY5F, the inheritance start / decryption key KY5F is decoded by the decrypted protection / decryption key KY3F. Then, the decrypted inheritance start decoding key KY5F is transmitted to the inheritance inheritance information processing apparatus 2.

The inheritance information processing apparatus 2 receives the decrypted inheritance start decoding key KY5F and stores it in the key storage area M4 of the decedent. As a result, as will be described later, the agent PS3 uses the decrypted inheritance start decryption key KY5F stored in the key storage area M4 of the decedent in the agent user terminal device 3C to use the inheritance decryption key. You will be able to decode KY4F.

[S112] Acceptance of inheritance start request: (See FIGS. 8 and 16)
In the agent-using terminal device 3C that has received the inheritance start request from the heir-using terminal device 3B, the agent PS3 is the decedent's contact information DS1 and the heir at the time of the inheritance start by communication such as telephone call or e-mail. Notify (send) the inheritance start request acceptance (inheritance start request acceptance message) to the decedent PS1 and the heir PS2 shown in the contact information DS2 at the time of the start of inheritance. If the simultaneous notification at the time of receiving the inheritance start request is set to "required", the agent PS3 will send the inheritance start request to all the heirs PS2 shown in the heir's inheritance start contact DS2. You will be notified. The "required / not" setting of the simultaneous notification is performed by the decedent PS1 in the definition file in the decedent-using terminal device 3A, and is transmitted in advance to the surrogate-using terminal device 3C.

When the call center agent PS3 can confirm the validity of the fact that an abnormality has occurred in the decedent PS1 and the inheritance is required, based on the submission of certificates, the inheritance start approval (inheritance start approval) The message) is transmitted from the agent-using terminal device 3C to the heir-using terminal device 3B.

The agent PS3 of the call center activates the decoding process of the inheritance decoding key KY4F in the agent-using terminal device 3C. Then, in the agent use terminal device 3C, the decrypted inheritance start decoding key KY5F stored in the key storage area M4 of the decedent in the inheritance inheritance information processing device 2 and the inheritance in the inheritance information processing device 2 Acquires the encrypted inheritance decryption key KY4F stored in the human key storage area M3.

In the agent use terminal device 3C, the inheritance decryption key KY4F encrypted by using the acquired inheritance start decryption key KY5F is decrypted. Then, the decrypted inheritance decoding key KY4F is transmitted to the inheritance inheritance information processing apparatus 2.

The inheritance information processing apparatus 2 receives the decrypted inheritance-decoding key KY4F and stores it in the key storage area M3 of the heir. As a result, as will be described later, the heir PS2 uses the decrypted inheritance decryption key KY4F stored in the heir's key storage area M3 in the heir-using terminal device 3B to use the heir's key. The encrypted inheritance necessary information IF3 stored in the storage area M4 can be decrypted.

In the inheritance information processing device 2, when the process of storing the decrypted inheritance-decryption key KY4F in the heir's key storage area M3 is completed, the decoding end notification (decoding end notification message) is sent to the heir-using terminal device 3B. And it is transmitted to the agent use terminal device 3C. This decryption end notification message is transmitted to the decedent-using terminal device 3A and all the heir-using terminal devices 3B. Communication such as automatic voice call and e-mail can be applied to the transmission of this decryption end notification message. As a precaution, the agent-using terminal device 3C may also notify the decedent-using terminal device 3A and all the heir-using terminal devices 3B by telephone call or the like to notify the completion of decryption.

In the inheritance inheritance information processing device 2, after the decryption end notification message is automatically transmitted to the heir-using terminal device 3B and the agent-using terminal device 3C, the erasing deadline timer for the inheritance erasing information storage area M2 is started. When the set deadline is reached, the erase target information IF2, which is the information to be erased at the time of inheritance stored in the inheritance erase information storage area M2, is erased. At this time, the allocation of the inheritance erase information storage area M2 to the corresponding decedent PS1 is also released.

[S113] Inheritance start: (See FIGS. 8 and 17)
Upon receiving the decryption end notification message from the inheritance information processing device 2 and / or the agent-using terminal device 3C, the heir PS2 receives the decryption end notification message in the heir-using terminal device 3B, and the heir's key storage area M3 of the inheritance inheritance information processing device 2 The decrypted inheritance decryption key KY4F stored in the decedent and the encrypted inheritance necessary information IF3 stored in the key storage area M4 of the decedent are acquired. The acquired inheritance necessary information IF3 includes an encrypted login ID of the decedent PS1, a login PW of the decedent PS1, and a decedent management key KY1. The login ID of the decedent PS1 and the login PW of the decedent PS1 are not essential as the inheritance necessary information IF3, and the login process described later can be omitted.

The heir PS2 decodes the inheritance necessary information IF3 using the acquired inheritance decoding key KY4F in the heir-using terminal device 3B. As a result, the heir PS2 can obtain the decrypted login ID of the decedent PS1, the login PW of the decedent PS1, and the decedent management key KY1.

The heir PS2 logs in to the site of the inheritance information processing device 2 using the decoded login ID and login PW of the decedent PS1 in the heir-using terminal device 3B, and is stored in the inheritance information storage area M1. Acquires the inheritance target information IF1 which is the information to be inherited by the heirs.

Then, in the heir-using terminal device 3B, the acquired inheritance target information IF1 is decoded using the decrypted heir management key KY1. As a result, the heir PS2 can obtain the inheritance information to be inherited by the heir PS1 in the heir-using terminal device 3B.

[Effect in one embodiment]
The inheritance information processing device 2 in the electronic inheritance information processing system 1 of the above-described embodiment is the information (heritage) to be inherited by the decedent PS1 encrypted by the decedent management key KY1. The inheritance information storage area M1 for storing the inheritance target information IF1 (inheritance information), the protection encryption key KY3A and the protection decryption key KY3F are stored as a pair of the protection key KY3, and the inheritance encryption key KY4A and the inheritance decryption key KY4F are inherited. The heir's key storage area M3 stored as a pair of keys KY4, the inheritance start encryption key KY5A and the inheritance start decryption key KY5F are stored as a pair of the inheritance start key KY5, and the decedent PS1 predetermined. A storage unit including a key storage area M4 of the decedent for storing the encrypted information IF3 necessary for starting the inheritance including the inheritance key KY1 is provided.
Further, when an abnormality occurs in the heir PS1, the inheritance information processing device 2 acquires the protection / decryption key KY3F stored in the heir's key storage area M3 by the key KY6 predetermined by the heir PS2. The inheritance start decoding key KY5F stored in the key storage area M4 of the decedent is acquired and decoded by the protected decryption key KY3F that has been decoded and decoded, and the inheritance start decoding key KY5F that has been decoded is inherited. The inheritance decryption key stored in the heir's key storage area M3 by the means for enabling the heir-using terminal device 3B to store in the person's key storage area M4 and the decrypted inheritance start decoding key KY5F. By means of enabling the agent user terminal device 3C to acquire the KY4F, decode it, and store the decrypted inheritance-decryption key KY4F in the heir's key storage area M3, and the decrypted inheritance-decryption key KY4F. , The information IF3 required for the start of inheritance stored in the key storage area M4 of the decedent is acquired and decoded, and the decedent PS1 included in the decoded information IF3 required for the start of inheritance is predetermined. The heir-using terminal device 3B is instructed to acquire and decode the inheritance target information IF1 transmitted from the heir-using terminal device 3A and stored in the inheritance information storage area M1 by the heir-using management key KY1. It comprises a processor that includes means to enable it.
Therefore, in this inheritance inheritance information processing device 2, in cooperation with the decedent-using terminal device 3A, the heir-using terminal device 3B, and the surrogate-using terminal device 3C that use a plurality of keys, the decedent-using terminal device 3A is used. It is possible to realize an epoch-making inheritance target information processing technology that enables the inheritance target information IF1 stored in advance to be safely and surely provided to the heir-using terminal device 3B.

[Variation example in one embodiment]
In the electronic heritage inheritance information processing system 1 of the above-described embodiment, the following modification can be adopted.

(1) In the electronic heritage inheritance information processing system 1 of the above-described embodiment, the protection key KY3, the inheritance key KY4, and the inheritance start key KY5 are used as a key pair composed of an encryption key and a decryption key, and the inheritance key KY4, A public key encryption technology is used for encryption and decryption of the inheritance start key KY5 and the inheritance necessary information IF3. However, the protection key KY3, the inheritance key KY4, and the inheritance start key KY5 are all used as a single key, and the common key encryption technology is adopted for the encryption and decryption of the inheritance key KY4, the inheritance start key KY5, and the inheritance necessary information IF3. May be good. Further, one or two of the protection key KY3, the inheritance key KY4, and the inheritance start key KY5 is not a single key but a key pair composed of an encryption key and a decryption key, which is common to public key cryptography technology. It may be a combination of key encryption technology.

(2) In the electronic heritance inheritance information processing system 1 of the above-described embodiment, the inheritance key storage area M3 for storing the protection key KY3 and the inheritance key KY4, the inheritance start key KY5, and the inheritance necessary information IF3 are stored. The key storage area is configured to include the key storage area M4 of the decedent, but for example, the key storage area M3 of the heir who stores the protection key KY3, the inheritance key KY4, and the inheritance start key KY5, and the inheritance necessary information. It may be configured as a key storage area including the key storage area M4 of the decedent who stores the IF3.

(3) The heritage inheritance information processing apparatus 2 which is an information storage server may cooperate with a Web server in order to distribute the load and function of the electronic heritage inheritance information processing.

(4) If the decedent's inheritance start contact DS1 and the heir's inheritance start contact DS2 are not provided in the decedent's key storage area M4 and the heir's key storage area M3, user information management The contacts in the table TB1 may be used as the decedent's inheritance start contact DS1 and the heir's inheritance start contact DS2.

(5) The priority of the heir PS2 requesting the start of inheritance is the order of spouse, first-ranked statutory heir, second-ranked statutory heir, and the like. However, when the lower heir PS2 requests the start of inheritance, the higher heir PS2 may be controlled to obtain permission.

(6) When the inheritance start of the above-mentioned process S113 is carried out, the owner of the information in the key storage area M4 of the decedent is changed so that the heir can access it with his / her login ID and login PW from the next time onward. It is preferable to do so.

(7) The decedent PS1 can change the plaintext character string used as the decedent management key KY1 and the inheritance erasure key KY2, that is, the passphrase, at any timing in the decedent use terminal device 3A. When the decedent management key KY1 is changed, the inheritance necessary information IF3 stored in the decedent's key storage area M4 needs to be encrypted again, but the necessary processing in the above-mentioned electronic heritage inheritance information processing. And so on.

(8) The heir PS2 can change the plaintext character string, that is, the passphrase, used as the key KY6 of the protection / decryption key in the heir-using terminal device 3B at an arbitrary timing. When the key KY6 of the protection / decryption key is changed, the protection / decryption key KY3F stored in the heir's key storage area M3 needs to be encrypted again. Just execute. Further, the heir PS2 can change the passphrase used as the protection key KY3 in the heir-using terminal device 3B at an arbitrary timing.

(9) The encryption processing of the inheritance target information IF1 and the erasure target information IF2 may be performed by the inheritance information processing apparatus 2.

[Other variants]
The processing in the above-described embodiment and modification is provided as a program that can be executed by a computer, and can be provided via a non-temporary computer-readable recording medium such as a CD-ROM or a flexible disk, and further via a communication line.

Further, each process in the above-described embodiment and modification may be performed by selecting and combining any plurality or all of them.

1 Electronic inheritance information processing system 2 Inheritance information processing device 3A Inheritance information terminal device 3B Inheritance use terminal device 3C Agent (call center) use terminal device 3D Investigator use terminal device 4 Communication network M1 Inheritance information storage area M2 Inheritance erase information storage area M3 Inheritance key storage area M4 Inheritance key storage area TB1 User information management table TB2 Key information management table TB3 Inheritance-related information management table

Claims (23)

A first storage area for storing the transfer target information encrypted by the transferee with a predetermined key, and
A pair of a protected key consisting of a protected encryption key and a protected decryption key, a pair of a takeover key composed of a takeover encryption key and a takeover decryption key, and a pair of a takeover start key composed of a takeover start encryption key and a takeover start decryption key. A storage unit comprising, and at least one second storage area for storing at least one of the information necessary for initiating the encrypted transfer, including the key predetermined by the transferee;
When an abnormality occurs in the successor, the protection / decryption key is acquired from the second storage area by the successor using a predetermined key, decrypted, and the decrypted protection / decryption key is used to obtain the protection / decryption key. A means for enabling the takeover user terminal device to acquire the takeover start / decryption key from the storage area, decode it, and store the decrypted takeover start / decryption key in the second storage area.
Using the decrypted takeover start decryption key, the takeover / decryption key is acquired from the second storage area, decoded, and the decrypted takeover / decryption key is stored in the second storage area. The means to enable the terminal device to be used,
With the decrypted takeover decryption key, the information necessary for the takeover start is acquired from the second storage area and decoded, and the takeover person included in the decoded information necessary for the takeover start. Allows the takeover user terminal device to acquire and decode the takeover target information transmitted from the takeover user terminal device and stored in the first storage area by using a predetermined key. Means and processors, including;
Information processing device to be taken over. A first storage area for storing the transfer target information encrypted by the transferee with a predetermined key, and
A protection key, a takeover key, a takeover start key, and at least one second storage area for storing at least one of the encrypted information necessary for the start of takeover, including the key predetermined by the takeover. With storage including;
When an abnormality occurs in the successor, the protection key is acquired from the second storage area by the successor using a predetermined key, decoded, and the decrypted protection key is used for the second storage. A means for enabling the takeover user terminal device to acquire the takeover start key from the area, decode it, and store the decoded takeover start key in the second storage area.
Using the decrypted takeover start key, the takeover key is acquired from the second storage area, decoded, and the decrypted takeover key is stored in the second storage area. And the means to make it possible
With the decrypted takeover key, the information necessary for starting the takeover is acquired from the second storage area and decoded, and the takeover person included in the decrypted information necessary for the start of takeover is It enables the successor-using terminal device to acquire and decode the succession target information transmitted from the successor-using terminal device and stored in the first storage area by using a predetermined key. Means and processors, including;
Information processing device to be taken over. One or two of the protection key, the takeover key, and the takeover start key is a key pair composed of an encryption key and a decryption key.
The information processing device to be taken over according to claim 2. The storage unit further includes a third storage area for storing the information to be erased encrypted by another key predetermined by the successor;
The processor has the information to be erased stored in the third storage area after the information necessary for starting the takeover, which is stored in the second storage area, is acquired in the takeover user terminal device. Including more means to erase,
The information processing device to be taken over according to claim 1, 2 or 3. The at least one second storage area
A first key storage area for storing the protection key and the transfer key, and
The transfer start key and a second key storage area for storing the information necessary for the transfer start are included.
The information processing device to be taken over according to claim 1, 2, 3 or 4. The at least one second storage area
A first key storage area for storing the protection key, the takeover key, and the takeover start key,
A second key storage area for storing the information necessary for starting the transfer, and the like.
The information processing device to be taken over according to claim 1, 2, 3 or 4. The protection key stored in the second storage area is encrypted with a key predetermined by the successor.
The takeover start key stored in the second storage area is encrypted by the protection key.
The takeover key stored in the second storage area is encrypted by the takeover start key and is encrypted.
The key predetermined by the takeover, which is included in the information necessary for starting the takeover stored in the second storage area, is encrypted by the takeover key.
The information processing device to be taken over according to claim 1, 2, 3 or 4. The protection / decryption key stored in the second storage area is encrypted with a key predetermined by the successor.
The takeover start decryption key stored in the second storage area is encrypted by the protection encryption key.
The takeover decryption key stored in the second storage area is encrypted by the takeover start encryption key.
The key predetermined by the takeover, which is included in the information necessary for starting the takeover stored in the second storage area, is encrypted by the takeover encryption key.
The information processing device to be taken over according to claim 1 or 4. The second storage area is configured for each successor.
The information processing device to be taken over according to claim 1, 2, 3 or 4. The second storage area further stores the contact information at the start of transfer of the successor and the contact information at the start of transfer of the successor.
The information processing device to be taken over according to claim 1, 2, 3 or 4. The inheritance target information includes information to be inherited by the heir as the inheritor.
The information necessary for starting the inheritance includes the information necessary for starting the inheritance.
The erasure target information includes information to be erased at the time of inheritance.
The information processing device to be taken over according to claim 4. A first storage area for storing the transfer target information encrypted by the transferee with a predetermined key, and
A pair of a protected key consisting of a protected encryption key and a protected decryption key, a pair of a takeover key composed of a takeover encryption key and a takeover decryption key, and a pair of a takeover start key composed of a takeover start encryption key and a takeover start decryption key. , And at least one second storage area for storing at least one of the encrypted transfer initiation necessary information, including the key predetermined by the successor.
The processor of the information processing device to be taken over, which has a storage unit including
When an abnormality occurs in the successor, the protection / decryption key is acquired from the second storage area by the successor using a predetermined key, decrypted, and the decrypted protection / decryption key is used to obtain the protection / decryption key. A step that enables the transfer starter terminal device to acquire the takeover start / decryption key from the storage area, decode it, and store the decrypted takeover start / decryption key in the second storage area.
Using the decrypted takeover start decryption key, the takeover / decryption key is acquired from the second storage area, decoded, and the decrypted takeover / decryption key is stored in the second storage area. Steps to enable the terminal device to be used,
With the decrypted takeover decryption key, the information necessary for the takeover start is acquired from the second storage area and decoded, and the takeover person included in the decoded information necessary for the takeover start. Allows the takeover user terminal device to acquire and decode the takeover target information transmitted from the takeover user terminal device and stored in the first storage area by using a predetermined key. Steps to do, and to do,
Information processing method to be taken over. A first storage area for storing the transfer target information encrypted by the transferee with a predetermined key, and
At least one second storage area for storing at least one of the encrypted takeover start information, including the protection key, takeover key, takeover start key, and the key predetermined by the takeover.
The processor of the information processing device to be taken over, which has a storage unit including
When an abnormality occurs in the successor, the protection key is acquired from the second storage area by the successor using a predetermined key, decoded, and the decrypted protection key is used for the second storage. A step that enables the takeover user terminal device to acquire the takeover start key from the area, decode it, and store the decoded takeover start key in the second storage area.
Using the decrypted takeover start key, the takeover key is acquired from the second storage area, decoded, and the decrypted takeover key is stored in the second storage area. Steps to enable and
With the decrypted takeover key, the information necessary for starting the takeover is acquired from the second storage area and decoded, and the takeover person included in the decrypted information necessary for the start of takeover is It enables the successor-using terminal device to acquire and decode the succession target information transmitted from the successor-using terminal device and stored in the first storage area by using a predetermined key. Step and perform,
Information processing method to be taken over. One or two of the protection key, the takeover key, and the takeover start key is a key pair composed of an encryption key and a decryption key.
The information processing method to be taken over according to claim 13. The storage unit further includes a third storage area for storing the information to be erased encrypted by another key predetermined by the successor;
The processor has the information to be erased stored in the third storage area after the information necessary for starting the takeover, which is stored in the second storage area, is acquired in the takeover user terminal device. Perform more steps to erase
The information processing method to be taken over according to claim 12, 13 or 14. The at least one second storage area
A first key storage area for storing the protection key and the transfer key, and
The transfer start key and a second key storage area for storing the information necessary for the transfer start are included.
The information processing method to be taken over according to claim 12, 13, 14 or 15. The at least one second storage area
A first key storage area for storing the protection key, the takeover key, and the takeover start key,
A second key storage area for storing the information necessary for starting the transfer, and the like.
The information processing method to be taken over according to claim 12, 13, 14 or 15. The protection key stored in the second storage area is encrypted with a key predetermined by the successor.
The takeover start key stored in the second storage area is encrypted by the protection key.
The takeover key stored in the second storage area is encrypted by the takeover start key and is encrypted.
The key predetermined by the takeover, which is included in the information necessary for starting the takeover stored in the second storage area, is encrypted by the takeover key.
The information processing method to be taken over according to claim 12, 13, 14 or 15. The protection / decryption key stored in the second storage area is encrypted with a key predetermined by the successor.
The takeover start decryption key stored in the second storage area is encrypted by the protection encryption key.
The takeover decryption key stored in the second storage area is encrypted by the takeover start encryption key.
The key predetermined by the takeover, which is included in the information necessary for starting the takeover stored in the second storage area, is encrypted by the takeover encryption key.
The information processing method to be taken over according to claim 12 or 15. The second storage area is configured for each successor.
The information processing method to be taken over according to claim 12, 13, 14 or 15. The second storage area further stores the contact information at the start of transfer of the successor and the contact information at the start of transfer of the successor.
The information processing method to be taken over according to claim 12, 13, 14 or 15. The inheritance target information includes information to be inherited by the heir as the inheritor.
The information necessary for starting the inheritance includes the information necessary for starting the inheritance.
The erasure target information includes information to be erased at the time of inheritance.
The information processing method to be taken over according to claim 15. A transfer target information processing program for causing a processor of a transfer target information processing apparatus to execute the transfer target information processing method according to any one of claims 12 to 22.

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