JPWO2023152989A5

JPWO2023152989A5 -

Info

Publication number: JPWO2023152989A5
Application number: JP2022560977A
Authority: JP
Filing date: 2022-02-14
Publication date: 2024-01-16
Anticipated expiration: 2042-02-14

Description

上述した課題を解決し、目的を達成するために、本開示のデータ提供システムは、工作機械を制御する数値制御装置または工作機械の動作をシミュレーションするシミュレータによって用いられる数値制御データを第１の暗号鍵で暗号化することで暗号化数値制御データを生成する暗号化装置を備える。また、本開示のデータ提供システムは、暗号化数値制御データを暗号化装置から受け付けるとともに暗号化数値制御データを保存および配信するストア装置と、第１の暗号鍵に対応する第１の復号鍵を暗号化装置から受け付けるとともに第１の復号鍵を格納した決済認証コードを生成して第２の暗号鍵で暗号化し、第２の暗号鍵に対応する第２の復号鍵と暗号化された決済認証コードとを出力する認証管理装置とを備える。また、本開示のデータ提供システムは、ストア装置から暗号化数値制御データを受け付けるとともに認証管理装置から第２の復号鍵および暗号化された決済認証コードを受け付けて、暗号化された決済認証コードを第２の復号鍵で復号することによって決済認証コードから第１の復号鍵を取り出し、暗号化数値制御データを第１の復号鍵で復号することによって数値制御データを取り出す復号装置を備える。決済認証コードは、数値制御データの使用が許可されている対象に固有の対象認証コードおよび第１の復号鍵を格納する。復号装置は、暗号化された決済認証コードを第２の復号鍵で復号することによって決済認証コードから対象認証コードおよび第１の復号鍵を取り出し、対象認証コードに対応する対応コードを有している場合に、暗号化数値制御データを第１の復号鍵で復号することによって数値制御データを取り出す。 In order to solve the above-mentioned problems and achieve the purpose, the data providing system of the present disclosure converts numerical control data used by a numerical control device that controls a machine tool or a simulator that simulates the operation of a machine tool into a first code. It includes an encryption device that generates encrypted numerical control data by encrypting it with a key. The data providing system of the present disclosure also includes a storage device that receives encrypted numerical control data from an encryption device, stores and distributes the encrypted numerical control data, and a first decryption key corresponding to the first encryption key. A payment authentication code received from the encryption device and storing the first decryption key is generated and encrypted with a second encryption key, and a second decryption key corresponding to the second encryption key and the encrypted payment authentication are generated. and an authentication management device that outputs the code . Further, the data providing system of the present disclosure receives encrypted numerical control data from the store device, receives a second decryption key and an encrypted payment authentication code from the authentication management device, and receives the encrypted payment authentication code. A decryption device is provided that extracts a first decryption key from a payment authentication code by decrypting it with a second decryption key, and extracts numerical control data by decrypting encrypted numerical control data with the first decryption key. The payment authentication code stores an object authentication code and a first decryption key that are unique to objects for which use of the numerical control data is permitted. The decryption device extracts the target authentication code and the first decryption key from the payment authentication code by decrypting the encrypted payment authentication code with the second decryption key, and has a corresponding code corresponding to the target authentication code. If so, the encrypted numerical control data is decrypted using the first decryption key to extract the numerical control data.

Claims

an encryption device that generates encrypted numerical control data by encrypting numerical control data used by a numerical control device that controls a machine tool or a simulator that simulates the operation of the machine tool with a first encryption key;
a store device that receives the encrypted numerical control data from the encryption device and stores and distributes the encrypted numerical control data;
receiving a first decryption key corresponding to the first encryption key from the encryption device, generating a payment authentication code storing the first decryption key and encrypting it with a second encryption key; an authentication management device that outputs a second decryption key corresponding to the encryption key and the encrypted payment authentication code;
The encrypted numerical control data is received from the store device , the second decryption key and the encrypted payment authentication code are received from the authentication management device, and the encrypted payment authentication code is transferred to the second decryption authentication code. a decryption device that extracts the first decryption key from the payment authentication code by decrypting it with a decryption key, and extracts the numerical control data by decrypting the encrypted numerical control data with the first decryption key;
Equipped with
The payment authentication code stores an object authentication code unique to an object for which use of the numerical control data is permitted and the first decryption key;
The decryption device extracts the target authentication code and the first decryption key from the payment authentication code by decrypting the encrypted payment authentication code with the second decryption key, and extracts the target authentication code and the first decryption key from the payment authentication code, and extracts the target authentication code and the first decryption key from the payment authentication code, and extracts the target authentication code and the first decryption key from the payment authentication code. decrypting the encrypted numerical control data with the first decryption key to extract the numerical control data;
A data provision system characterized by:

The target authentication code includes the numerical control device, the user of the numerical control device, the simulator, the user of the simulator, the organization that owns the machine tool, the model of the machine tool, the manufacturer that manufactures the machine tool, or the linked to one of the machine tool sales companies,
The data providing system according to claim 1 , characterized in that:

a plurality of the decoding devices store the same corresponding code;
The encrypted numerical control data is decrypted by a plurality of decryption devices storing the corresponding codes.
The data providing system according to claim 1 or 2, characterized in that:

The numerical control data is data used when the machine tool executes machining, and is a programmable logic control program or macro program used when the numerical control device executes control processing, and is executed by the numerical control device. including at least one additional application software or firmware that can
The data providing system according to any one of claims 1 to 3 , characterized in that:

The numerical control data includes at least one of a numerical control program, document data, drawing data, model data, optional data accompanying the numerical control program, and application software used when the machine tool executes machining. There is,
The data providing system according to any one of claims 1 to 4 .

further comprising a payment server that performs purchase procedure processing and payment processing for the encrypted numerical control data distributed from the store device,
The authentication management device generates the payment authentication code and the second decryption key when the payment server confirms the purchase or charge, and outputs the generated payment authentication code and the second decryption key to the decryption device.
The data providing system according to claim 1 , characterized in that:

The numerical control data includes the numerical control program and the option data,
The numerical control device controls the machine tool using additional functions corresponding to the option data when controlling the machine tool using the numerical control program.
6. The data providing system according to claim 5 .

The payment authentication code includes information on usage conditions for using optional data accompanying a numerical control program used when the machine tool executes processing,
The numerical control device controls processing using the optional data under conditions permitted by the usage conditions.
The data providing system according to claim 1 , characterized in that:

The usage conditions are the number of execution cycles for one processing, the number of optional program commands, the usage time, number of days of usage, or expiration date of the option data.
9. The data providing system according to claim 8 .

The decoding device is included in the numerical control device or the simulator.
The data providing system according to any one of claims 1 to 7 .

Generation in which the encryption device generates encrypted numerical control data by encrypting numerical control data used by a numerical control device that controls a machine tool or a simulator that simulates the operation of the machine tool with a first encryption key. step and
a distribution step in which a storage device receives the encrypted numerical control data from the encryption device, and stores and distributes the encrypted numerical control data;
An authentication management device receives a first decryption key corresponding to the first encryption key from the encryption device, generates a payment authentication code storing the first decryption key , and encrypts it with a second encryption key. an output step of outputting a second decryption key corresponding to the second encryption key and the encrypted payment authentication code;
A decryption device receives the encrypted numerical control data from the store device, receives the second decryption key and the encrypted payment authentication code from the authentication management device, and decodes the encrypted payment authentication code. Decoding to extract the first decryption key from the payment authentication code by decrypting it with the second decryption key, and extracting the numerical control data by decrypting the encrypted numerical control data with the first decryption key. step and
including;
The payment authentication code stores an object authentication code unique to an object for which use of the numerical control data is permitted and the first decryption key;
The decryption device extracts the target authentication code and the first decryption key from the payment authentication code by decrypting the encrypted payment authentication code with the second decryption key, and extracts the target authentication code and the first decryption key from the payment authentication code, and extracts the target authentication code and the first decryption key from the payment authentication code, and extracts the target authentication code and the first decryption key from the payment authentication code. decrypting the encrypted numerical control data with the first decryption key to extract the numerical control data;
A data provision method characterized by: