JP2003216807A - System and method for providing food material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a food material providing system which can help a customer to consider a menu and can receive food materials used for the menu at time that the customer desires. <P>SOLUTION: The food material providing system is provided with an information terminal that the customer operates to apply for a purchase of food materials, a management server which manages information on the applied food materials and that a store has, a storage box which stores food materials that the customer bought and is installed outside the store, and a means which ciphers and enciphers transferred information, and can provide menu candidates, purchase food materials used for menus, and keep personal information secret and enable confirmation between the customer and store. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food material providing system in which a store supports a customer's menu preparation and provides food materials according to the customer's time.

[0002]

2. Description of the Related Art Conventionally, housewives purchase foodstuffs in consideration of their favorite foods, nutritional value, meals of the previous day, purchased foodstuffs, etc., in consideration of a variety of menus every day. It is one of the biggest burdens of housework that you have to think about a variety of menus that you will never tire of.

In particular, a working woman needs to spend a lot of time on housework in addition to her own work, and has little time to think about a menu. Even if she can think of a menu, she is a foodstuff store. There is a problem that it is difficult to go home by the closing time of.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and its purpose is to present a candidate for considering a menu and to select the menu. The purpose of the present invention is to provide a foodstuff providing system that allows the customer to receive the foodstuffs used in the menu at the desired time.

[0005]

In order to solve the above-mentioned problems, the first aspect of the present invention is a foodstuff providing system which supports foodstuffs for making menus and provides foodstuffs used for menus, which is operated by a customer. An information terminal for requesting the purchase of food ingredients, a management server owned by a store that manages the information of the requested foodstuffs, and a storage box installed outside the store for storing the food ingredients purchased by the customer. It is a thing.

A second aspect of the present invention is, in the foodstuff providing system according to the above-mentioned first aspect, for encrypting and decrypting data in passing data between the information terminal and the management server. A pair of first public key and first secret key held by the customer and a pair of second public key and second secret key held by the store are provided.

According to a third aspect of the present invention, in the foodstuff providing system according to the first or second aspect, the information terminal has a display unit, an input unit, the management server, and the first and second units. Information exchange means for exchanging public keys or information relating to orders, means for obtaining menu candidates from the management server, and means for ordering a favorite menu from the menu candidates to the management server. ,
Reception confirmation means for receiving reception information indicating that an order has been received from the management server, and information holding for holding the first public key, the first secret key, the second public key, and information related to the order. And means are provided.

According to a fourth aspect of the present invention, in the foodstuff providing system according to the first to third aspects, the menu candidate acquisition means uses the first secret key to encrypt from the management server. The first to decrypt the menu candidates that are received
And a decoding means of the above.

A fifth aspect of the present invention is, in the foodstuff providing system according to the above-mentioned first to fourth aspects, orders the ordering means using the second public key obtained from the management server. A first encryption means for encrypting the order information describing the menu is provided.

A sixth aspect of the present invention is the foodstuff providing system according to the first to fifth aspects, wherein the acceptance confirmation means receives the acceptance information and the first secret key is used to obtain the first information. And a reception information recording means for recording the reception information and the first signature generation means in the information holding means.

According to a seventh aspect of the present invention, in the foodstuff providing system according to the first to sixth aspects, the member information of the customer is recorded in the management server by using a customer number for uniquely identifying the customer. Member information recording means, information exchange means for exchanging information with the information terminal, menu providing means for providing menu candidates to the information terminal, and order receiving means for receiving an order for food from the information terminal are provided. It is a thing.

An eighth aspect of the present invention is, in the foodstuff providing system according to the above-mentioned first to seventh aspects, a menu for creating menu candidates for several days in the menu providing means based on the member information. A candidate creating means and a second encrypting means for encrypting the created menu candidate with the first public key obtained from the customer are provided.

A ninth aspect of the present invention is the foodstuff providing system according to any of the above-described first to eighth aspects, wherein the order information passed by the information terminal is passed to the order receiving means by the second secret. Second decryption means for decrypting with a key; order recording means for adding an order number to the order information and recording it in association with food information related to the menu for which the order is received;
A second signature creating means for creating a second digital signature from the customer number and the order number using the second secret key is provided.

A tenth aspect of the present invention is, in the foodstuff providing system according to the first to ninth aspects, whether or not the customer who has received the foodstuffs in the storage box is a valid purchaser in the management server. An authentication means for confirming whether or not it is provided, and a door opening means for automatically opening the door of the storage when the authentication means confirms that the customer is a valid purchaser.

The eleventh aspect of the present invention is, in the foodstuff providing system according to the above-mentioned first to ninth aspects, whether the customer who has previously received the foodstuff in the storage box is a valid purchaser. An authentication means for confirming whether or not there is provided, and a door opening means for opening the door of the storage when the authentication means confirms that the customer is a valid purchaser.

A twelfth aspect of the present invention is the foodstuff providing system according to any of the first to eleventh aspects, wherein the authenticating means decrypts the first signature creating means with the first public key. By doing so, it is possible to authenticate that the customer who wants to take out the foodstuff is a legitimate purchaser.

A thirteenth aspect of the present invention is the foodstuff providing system according to the first to twelfth aspects described above, wherein the information holding means is constituted by an IC card.

According to a fourteenth aspect of the present invention, in a food material providing method for supporting menu preparation and providing food materials to be used for menu, the store generates and holds the second public key and the second secret key. A step of recording the member information of the customer using a customer number that uniquely identifies the customer, and a step of generating and holding the first public key and the first secret key by the customer based on the member information. , Exchanging the first public key and the second public key between the information terminal and the management server, and creating menu candidates for several days based on the member information. Encrypting the created menu candidate using a public key and passing the menu candidate to the information terminal; and decrypting the menu candidate encrypted and passed from the management server using the first secret key. Select the menu you like, The step of encrypting the order information in which the selected menu is described using the public key of 2 and passing it to the management server, and decrypting the received order information with the second secret key and adding the order number to receive the order And a step of recording in association with food information related to the menu, a second digital signature is created from the customer number and the order number using the second secret key, and as a reception information together with the storage location of the storage. Passing the information to the information terminal, storing the ingredients constituting the menu based on the order information in the storage,
A step of creating a first digital signature using the first secret key from the reception information, and a customer going to receive the foodstuff stored in the storage to receive the foodstuff with the first digital signature. The steps are to confirm that the customer is a legitimate purchaser, and if the customer is confirmed to be a legitimate purchaser, the storage is opened and the customer receives the food. .

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to illustrated embodiments. FIG. 1 is a block diagram showing an embodiment of the foodstuff providing system of the present invention. The information terminal 1 used by the customer, the management server 2 in the store, the storage 3 installed outside the store with a lockable automatic opening / closing mechanism, and information is exchanged between the information terminal 1 and the management server 2. The information exchange means 4 for

The foodstuff providing system of the present invention secures the safety of information exchange by using a public key cryptosystem such as the RSA cryptosystem used in many electronic commerce transactions. Therefore, the customer has the first public key 5 and the first private key 6
The store holds the second public key 7 and the second secret key 8 as a pair of keys used for each encryption and decryption.

The information terminal 1 can transfer information to and from the management server 2, operates encryption and decryption processing, and can hold a plurality of keys required for encryption and order-related information described later. Various devices such as a mobile phone, a mobile terminal with a communication function added, and a personal computer can be used. In practice, it is common to negotiate a specific device with a store.

Further, the information terminal 1 is, as shown in FIG.
An information exchange means 4 for exchanging information about keys and orders necessary for encryption and decryption with the management server 2, and a display means 18.
An input means 19, a menu candidate obtaining means 20 for obtaining the menu candidates 11 from the management server 2, an ordering means 21 for ordering a favorite menu from the menu candidates 11, and a management server 2.
An acceptance confirmation unit 22 that receives the acceptance information 15 indicating that the order has been accepted from, and an information holding unit 23 that holds a plurality of keys necessary for encryption and information related to the order.

The menu candidate acquisition means 20 further includes a first decryption means 24. The first decoding means 24 is
The first public key 5 obtained from the information terminal 1 by the management server 2
Decrypt the menu candidates encrypted using.

Further, the ordering means 21 comprises a first encryption means 25. The first encryption means 25 selects the menu to be purchased from the candidates for menu, and the management server 2
The order information is encrypted using the second public key 7 obtained from.

Further, the reception confirmation means 22 is the management server 2
To the information holding means 23, and a first signature creating means 26 for receiving the second digital signature created by the user and the acceptance information and creating a first digital signature using the first secret key 6. The reception information recording means 27 for recording is provided.

As the information holding means 23, an IC card separately owned by the customer can be used. In this case, the information terminal 1, the management server 2, or the storage 3 exchanges information via a reader / writer capable of reading and writing information on the IC card.

Further, the information holding means 23 is a SIM (Subscriber Ide) for authenticating a subscriber of a mobile phone.
IC module called I.
A C card can also be used. In this case, the information terminal 1, the management server 2, or the storage 3 exchanges information via a SIM reader / writer, an interface adapter, or the like.

The management server 3 is a computer system, and from the viewpoint of hardware, a recording device for a computer (magnetic disk, optical disk, etc.) for recording information, and an input device (keyboard, mouse, etc.) for giving instructions to the computer. Bar code reader, etc.), C for performing calculations
It is realized by a PU, a display device such as a CRT for displaying the result, and an interface for exchanging information with other systems.

From the viewpoint of software, the management server 3 is, as shown in FIG. 3, an information exchange means 4 for exchanging keys necessary for encryption and decryption and information related to orders with the information terminal 1. , Member information recording means 28 for recording customer information using a member number for uniquely identifying the customer, menu providing means 29 for providing the information terminal 1 with menu candidates, and order information received from the information terminal 1. Order reception means 30
In the case where the first digital signature 16 confirms that the customer who has received the foodstuffs in the storage 3 is a valid purchaser and the customer is a valid purchaser. A door opening means 32 for opening the storage is provided.

The authentication means 31 and the door opening means 32 may be provided in the management server 2 or the storage 3. Alternatively, by exchanging information, the management server 2
It is also possible that the storage 3 shares the functions.

Further, the menu providing means 29 is created by using the menu candidate creating means 33 for creating the menu candidates for several days based on the customer's information and the first public key 5 obtained from the information terminal 1. The second encryption means 34 for encrypting the prepared menu candidates.

Further, the order receiving means 30 uses the second public key 7 obtained from the management server 2 by the customer to decrypt the order information which has been handed over by the second decryption means 3.
5, and an order recording means 36 for recording the order information and the information on the ordered foodstuffs in association with the order information.
And the second private key 7 from the member number and the order number.
Second signature creating means 37 for creating the digital signature of

Next, the operation of the foodstuff providing system of the present invention will be described in detail with reference to FIG. The management server 2 holds the second public key 7 and the second secret key 8 of the store.

The member information recording means 28 includes "number of family members", "favorite items", "disliked items", etc. for each family filled in by the customer who intends to use the foodstuff providing system of the present invention. The member information 10 is input, and the member number 9 is added and recorded in advance. The payment method such as using a credit card is also recorded at this time.

Next, the information terminal 1 obtains the member number 9 and the member information 10 from the management server 2 and generates the first public key 5 and the first secret key 6 unique to the customer, It is held in the holding means 23.

Next, the information terminal 1 and the management server 2 use the information exchange means 4 to hold the first public key 5 held by each other.
And the second public key 7 is exchanged. The exchange stores the first public key 5 held by the store in the management server 2, and the second public key 7 held by the customer in the information holding means 23. The information exchange means 4 may be provided via a communication network or via a medium, if security can be ensured and the time required for the exchange is acceptable, but a communication network is generally used. .

Hereinafter, in this description, all information exchange between the information terminal 1 and the management server 2 is performed by the information exchange means 4.
It is performed at a timing agreed between the customer and the retailer via the, so a detailed description will be omitted.

The menu candidate creation means 33 uses the member information 10,
Considering bargain products, seasonal ingredients, nutritional value, etc., menu candidates for a few days such as one week for the customer 11
To create. Each menu is distinguished by a menu number for identifying the menu, and a list of necessary ingredients, that is, ingredient information 14 is associated.

The menu providing means 29 uses the second secret key 8 held by the management server 2 to encrypt the menu candidate 11 by the second encrypting means 34 and passes it to the information terminal 1.

The information terminal 1 receives the menu candidate 11,
Using the first secret key 6 held in the information holding means 23, the first decryption means 24 decrypts the encryption provided by the menu providing means 29, and the menu candidate 11 is displayed on the display means 18. .

Next, the customer uses the ordering means 21 to input the daily menu from the displayed menu candidates 11 by input means 19.
To create order information 13. Order information 1
3 comprises, for example, a membership number 9, date, time, menu number, quantity and the like.

The ordering means 21 uses the second public key 7 held in the information holding means 23 to use the first encryption means 2
The order information 13 is encrypted by 5 and passed to the management server 2.

Order receiving means 3 that has received the order information 13
0 is the second secret key 8 of the store held by the management server 2.
Using, the second decryption means 35 decrypts the code applied to the order information 13 by the order means 21.

Next, the order receiving means 30 records the order information 13 by adding the order number 12 and the foodstuff information 14 associated with the menu to the order information 13 by the order recording means 36.

Furthermore, the order receiving means 30 uses the second secret key 8 held by the management server 2 from the member number 9 and the order number 12 and uses the second signature creating means 37 to digitally sign the store. A second digital signature 17 is created.

Next, the salesclerk of the store refers to the order information 13 and the food material information 14 and stores the foodstuffs purchased by the customer in the storage 3. When the storage location of the storage 3 is decided,
The order reception means 30 stores the reception information 15 in which the second digital signature 17 and the storage location 38 of the storage 3 are paired with the information terminal 1.
Pass to.

The reception confirmation means 22 receives the reception information 15, and uses the first secret key 6 held in the information holding means 23 from the member number 9 and the storage location 38 of the storage to make the first signature. The creating means 26 creates the first digital signature 16 which is the customer's digital signature, and the reception information 15 and the first digital signature 16 are created.
The digital signature 16 is recorded in the information holding unit 23 by the reception information recording unit 27.

Although not illustrated in the present embodiment, it is possible to print out a paper order form, an order reception slip, etc., and check the ordered menu and the ingredients used for the menu from the information terminal 1. Of course.

Order information 13 relating to menus and purchase of ingredients
By encrypting the reception information 15 and exchanging the information, the personal information of the customer is protected, and the digital signature of the store is added by the second secret key 8 held by the management server 2. It is possible to confirm that the order has been accepted and the ingredients have been stored in the storage 3.

Next, the customer who purchased the foodstuffs brings at least the information holding means 23 and receives the foodstuffs in the storage box 3 installed outside the store at his or her convenient time including after the store is closed. go to.

The authentication means 31 reads the reception information 15 from the information holding means 23 brought by the customer, decrypts it using the second public key 7 held by the management server 2, and the management server 2 adds a digital signature by itself. It is confirmed that the reception information 15 has been received.

Further, the authentication means 31 reads the first digital signature 16 from the information holding means 23 brought by the customer, decrypts it using the first public key 5 held by the management server 2, and the customer is authorized. Make sure you are the purchaser of the right ingredients.

A cipher encrypted with a secret key can be decrypted only with a public key paired with the secret key, and the secret key is strictly managed so that it cannot be stolen by others. Therefore, it is possible to guarantee that the owner of the private key can encrypt the private key.

If the authentication means 31 confirms that the customer is a purchaser of the legitimate food material, the door opening means 32 refers to the storage location 38 of the storage 3 described in the reception information 15, Open the door. As a result, the legitimate customer who ordered the food can receive the food.

Although the present invention has been described in detail above based on the embodiments, the foodstuff providing system according to the present invention is
The present invention is not limited to the above-mentioned embodiment at all, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[0056]

As described above, according to the foodstuff providing system of the present invention, the customer can consider the menu and decide the foodstuff to be purchased, and install the purchased foodstuff outside the store. It becomes possible to store the food in the storage box and receive the food at a time convenient for the customer.

Outside the business hours of the store, when the food is delivered by the storage installed outside the store, it is possible to confirm that it is a legitimate customer who purchased the food by encryption and decryption, and it is safe. It is possible to deliver the ingredients.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a foodstuff providing system of the present invention.

FIG. 2 is a configuration diagram showing an embodiment of the function of the information terminal of the present invention.

FIG. 3 is a configuration diagram showing an embodiment of a function of a management server of the present invention.

FIG. 4 is a schematic diagram illustrating a food material providing method of the present invention.

[Explanation of symbols]

1 Information terminal 2 Management server 3 storage 4 Information exchange means 5 First public key 6 First private key 7 Second public key 8 second secret key 9 membership number 10 Member information 11 Menu candidate information 12 Order number 13 Order information 14 Food information 15 Reception information 16 First digital signature 17 Second digital signature 18 display means 19 Input means 20 Menu Candidate Acquisition Method 21 Ordering means 22 Reception confirmation means 23 Information Storage Means 24 First Decoding Means 25 First encryption means 26 First Signature Creating Means 27 Reception information recording means 28 Member information recording means 29 Menu provision means 30 Order reception means 31 Authentication means 32 Door opening means 33 Menu Candidate Making Means 34 Second encryption means 35 Second Decoding Means 36 Order Record Means 37 Second Signature Creating Means 38 Storage location

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) B65G 61/00 210 B65G 61/00 210 H04L 9/32 H04L 9/00 675B

Claims (14)

[Claims] 1. A foodstuff providing system for supporting menu preparation and providing foodstuffs to be used for the menu, comprising: an information terminal for a customer to apply for the purchase of foodstuffs; A foodstuff providing system, comprising: a management server of a managing store; and a storage box installed outside the store for storing foodstuffs purchased by a customer. 2. The foodstuff providing system according to claim 1, wherein a pair of data stored between the information terminal and the management server is held by a customer for encrypting and decrypting the data. A foodstuff providing system comprising: a first public key and a first secret key; and a pair of a second public key and a second secret key held by a store. 3. The foodstuff providing system according to claim 1, wherein the information terminal has a display unit, an input unit, the management server, first and second public keys, or information related to an order. Information exchange means for exchanging
Menu candidate obtaining means for obtaining menu candidates from the management server, ordering means for ordering a menu favorite from the menu candidates to the management server, and reception confirmation means for receiving reception information indicating that the order has been received from the management server. And the first
The public key, the first secret key, the second public key, and information holding means for holding the information related to the order. 4. The foodstuff providing system according to claim 1, wherein the menu candidate obtaining means receives the menu item encrypted from the management server using the first secret key. A first decryption means for decrypting the candidates. 5. The foodstuff providing system according to any one of claims 1 to 4, wherein the ordering means uses the second public key obtained from the management server to order a menu. And a first encryption unit that encrypts the ordered information. 6. The foodstuff providing system according to any one of claims 1 to 5, wherein the reception confirmation means receives reception information of an order received from the management server, and outputs the first secret key. First signature creating means for creating a first digital signature using the reception information and the first signature
And a reception information recording unit that records the signature creating unit of the above in the information holding unit. 7. The foodstuff providing system according to claim 1, wherein the management server records customer member information using a customer number that uniquely identifies the customer. Means, information exchange means for exchanging information with the information terminal, menu providing means for providing menu candidates to the information terminal, and order receiving means for receiving an order for food from the information terminal. Foodstuff providing system. 8. The foodstuff providing system according to any one of claims 1 to 7, wherein the menu providing means creates menu candidates for several days based on the member information. And a second encryption means for encrypting the prepared menu candidate with the first public key obtained from the customer. 9. The foodstuff providing system according to claim 1, wherein the order receiving unit decrypts the order information passed by the information terminal with the second secret key. The second decryption means for performing the order, the order recording means for adding the order number to the order information, and recording the information in association with the food information related to the menu for which the order is received, the second number from the customer number and the order number. And a second signature creating means for creating a second digital signature using the private key of. 10. The foodstuff providing system according to claim 1, wherein the management server confirms whether or not the customer who has received the foodstuffs into the storage is a valid purchaser. And a means for opening the door of the storage automatically when it is confirmed by the authentication means that the customer is a valid purchaser. 11. The foodstuff providing system according to claim 1, wherein the storage box confirms whether or not a customer who has received the foodstuffs into the storage box is a valid purchaser. A foodstuff providing system comprising: a means and a door opening means for opening the door of the storage when it is confirmed by the authentication means that the customer is a valid purchaser. 12. The foodstuff providing system according to claim 1, wherein the authenticating means decrypts the first digital signature with the first public key, A foodstuff providing system characterized by authenticating that a customer who intends to take out foodstuffs is a legitimate purchaser. 13. The foodstuff providing system according to claim 1, wherein the information holding unit is configured by an IC card. 14. A food material providing method for supporting the preparation of a menu and providing the food for use in a menu, wherein the store is the second.
Generate and hold the public key and the second secret key of the customer, record the member information of the customer using the customer number that uniquely identifies the customer, and based on the member information, Generating and holding a public key and a first secret key; exchanging the first public key and the second public key between the information terminal and the management server; Based on the menu candidates for several days based on the above, using the first public key to encrypt the menu candidates created,
Delivering to the information terminal, decrypting the menu candidates encrypted and delivered from the management server using the first secret key, and selecting a favorite menu from the menu candidates; The order information in which the selected menu is described is encrypted using the public key No. 2 and is passed to the management server, and the received order information is decrypted by the second secret key, and the order number is added. , A step of recording in association with food information related to the menu for which the order has been received, a second digital signature is created from the customer number and the order number using the second secret key, and a storage location of a storage cabinet Together with the reception information as a reception information to the information terminal, based on the order information, the foodstuffs constituting the menu are stored in the storage, and from the reception information, the first secret key is used. 1 digital station And a step in which the customer goes to receive the foodstuffs stored in the storage and confirms that the customer who has received the foodstuffs is a valid purchaser by the first digital signature. Is confirmed to be a legitimate purchaser, the storage is opened, and the customer receives the food.