Abstract: An intermediary system of an intermediary agent for intermediating a transfer of an asset between a supplier of the asset and a user of the asset, the intermediary system including circuitry to: receive a request for transfer of a specific asset produced by a specific type of production method from another intermediary system of another intermediary agent; and transmit data related to the asset, to an intermediary node of the intermediary agent on a blockchain network, the intermediary node being capable of sharing data with another intermediary node of the other intermediary agent on the blockchain network, the data related to the asset being for transferring ownership of the specific asset from the intermediary agent to the other intermediary agent.

Abstract: A server includes circuitry to receive data from plural control devices of a plural users. The data from each control device includes consumption records of electric devices. The circuitry determines whether an amount consumed by the plural users is greater than one provided by producers, and based on a determination, calculates a reduction amount for each of one or more users, according to an order of a priority set on the plural users from a top to one until a condition is satisfied. For each of the one or more users, the circuitry determines, a specific electric device and a reduction amount of the specific electric device, based on the data and reference data, and generates consumption control data including information on the specific electric device and the reduction amount. The circuitry transmits to, each of specific control devices of the one or more users, the consumption control data.

Abstract: A three-dimensional position detecting device includes a rotational mechanism configured to rotate about a predetermined rotation axis, and includes a LIDAR unit disposed on the rotation axis to scan in response to each rotation angle at which the rotational mechanism rotate to detect at least one first three-dimensional position of an object. The three-dimensional position detecting device includes an imaging unit disposed to be away from the rotation axis in a direction perpendicular to the rotation axis, the imaging unit being configured to capture multiple images of the object based on rotation of the imaging unit through the rotational mechanism. The three-dimensional position detecting device includes a processor configured to detect a second three-dimensional position of the object based on the captured multiple images with respect to respective rotation angles at which the rotational mechanism rotates.

Abstract: A data generation apparatus includes a processor that executes a process including obtaining target data sequentially from time-series data, the target data including n (n being an integer greater than or equal to 2) data items in a predetermined section of the time-series data, calculating parameter information satisfying a (k?1) order polynomial based on the target data, the (k?1) order polynomial including k random values, k being an integer greater than or equal to 1 and less than n, associating the target data to the parameter information, outputting the target data and the parameter information associated to the target data, attaching a signature to secret information based on a secret distributed protocol. The secret information is calculable by using k pairs of data including the target data and the parameter information associated to the target data, and outputting the secret information attached with the signature.

Abstract: A data processing apparatus includes a memory storing a program and a processor configured to execute the program to implement a process of reading signed data including a predetermined number (n) of secret sharing data sets generated for each section of time series data and a signature value calculated for the each section of time series data based on a secret sharing protocol. The n secret sharing data sets include n units of data acquired from each section of time series data and parameter information for a polynomial of a predetermined degree calculated based on the acquired n units of data. The processor further implements processes of acquiring the predetermined degree, and editing the signed data by extracting a specific number of the secret sharing data sets from the n secret sharing data sets for the each section of time series data according to the acquired predetermined degree.

Abstract: A data distribution apparatus includes a processor, in communication with a memory, executing a process including generating fusion data by incorporating, in a metadata area in first time series data in a predetermined section, hash data obtained by hashing second time series data in a corresponding section; calculating a signature value according to a plurality of pieces of the fusion data; and outputting the fusion data, the second time series data in the corresponding section, and the signature value.

Abstract: A data generating apparatus is provided that includes a memory storing a program and a processor configured to execute the program to implement processes of sequentially acquiring n sets of data (where n is an integer greater than or equal to 2) included in a predetermined section of time series data and calculating, based on the acquired data, parameter information satisfying a polynomial of degree (k?1) including k random numbers (where k is an integer greater than or equal to 1 and less than n); generating a signature value by adding a signature to secret information based on a secret sharing protocol, the secret information being calculable by acquiring k sets of the acquired data and the parameter information calculated based on the acquired data; and outputting output data including the signature value and a set of the acquired data and the parameter information calculated based on the acquired data.

Abstract: A data generating apparatus is provided that includes a memory storing a program and a processor configured to execute the program to implement processes of sequentially acquiring n sets of data (where n is an integer greater than or equal to 2) included in a predetermined section of time series data and calculating, based on the acquired data, parameter information satisfying a polynomial of degree (k?1) including k random numbers (where k is an integer greater than or equal to 1 and less than n); generating a signature value by adding a signature to secret information based on a secret sharing protocol, the secret information being calculable by acquiring k sets of the acquired data and the parameter information calculated based on the acquired data; and outputting output data including the signature value and a set of the acquired data and the parameter information calculated based on the acquired data.

Abstract: A verification system for verifying attribute information included in attribute-information-added information includes circuitry to acquire attribute verification data from the attribute information, the attribute verification data to be used for verifying the attribute information, acquire public information, to be used for verifying the attribute information, from an external service provider, generate verification-target information to be used for verifying the attribute information based on the attribute information and the attribute verification data, and determine reliability of the attribute information by comparing verification-use information calculated from the acquired public information and the verification-target information.

Abstract: An apparatus which includes one or more control modules, comprising: a state managing unit configured to manage a current state of the apparatus to control the control modules based on the current state, wherein the state of the apparatus is changed from one to another among a plurality of states with the passing of time; a storage unit configured to store state data for defining processes for controlling the respective control modules in response to a change of the state; and an data editing unit configured to edit the state data stored in the storage unit so as to change a process to be performed in a state among a plurality of states; wherein the state data includes respective state datum corresponding to each state in the plurality of states, and the state managing unit controls the control modules according to the state datum corresponding to the current state.

Abstract: A data generation apparatus includes a processor that executes a process including obtaining target data sequentially from time-series data, the target data including n (n being an integer greater than or equal to 2) data items in a predetermined section of the time-series data, calculating parameter information satisfying a (k?1) order polynomial based on the target data, the (k?1) order polynomial including k random values, k being an integer greater than or equal to 1 and less than n, associating the target data to the parameter information, outputting the target data and the parameter information associated to the target data, attaching a signature to secret information based on a secret distributed protocol. The secret information is calculable by using k pairs of data including the target data and the parameter information associated to the target data, and outputting the secret information attached with the signature.

Abstract: A data processing apparatus includes a memory storing a program and a processor configured to execute the program to implement a process of reading signed data including a predetermined number (n) of secret sharing data sets generated for each section of time series data and a signature value calculated for the each section of time series data based on a secret sharing protocol. The n secret sharing data sets include n units of data acquired from each section of time series data and parameter information for a polynomial of a predetermined degree calculated based on the acquired n units of data. The processor further implements processes of acquiring the predetermined degree, and editing the signed data by extracting a specific number of the secret sharing data sets from the n secret sharing data sets for the each section of time series data according to the acquired predetermined degree.

Abstract: A decryption circuit includes a decryption circuitry configured to decrypt encrypted data in each encrypted unit block to acquire a decryption result, and an authentication circuitry configured to authenticate the encrypted data, using the decryption results, in parallel with decrypting the encrypted data in each encrypted unit block by the decryption circuitry until the decryption results amount to a first size of the encrypted data. The encrypted data has a first area and a second area, the first area and the second area are added to calculate the first size of the encrypted data. The first area of the encrypted data is definitely included in a field of the encrypted data to be used for authentication, and the second area of the encrypted data possibly includes data of the field of the encrypted data to be used for authentication.

Abstract: A device holding control target data includes a management unit configured to manage the present life cycle state of the device; an authentication unit configured to authenticate a user and indicate a role of the user; a control unit configured to acquire a present life cycle state when a request to access the control target data is received, authenticate the user and acquire the role, acquire access possibility information based on the present life cycle state and the role, and control the access based on the access possibility information; and a prohibiting unit configured to compare a position/time allowed in operation plan information with a present position/time, and prohibit the access when these information items do not match, based on the operation plan information in which life cycle states are associated with positions and times that are allowed for state transitions of the life cycle states.

Abstract: A device holding control target data inside, includes a state management unit configured to manage the present life cycle state of the device; a user authentication unit configured to authenticate a user and output a group of the user; and an access control unit configured to acquire a present life cycle state when an access request to access the control target data is received, acquire the group of the authenticated user, acquire access possibility information based on the present life cycle state and the group of the user, and control access to the control target data based on the access possibility information. The state management unit manages a fixed life cycle state, and a variable life cycle state that can be added, changed, or deleted, and the access control unit implements control on the fixed life cycle state before the variable life cycle state.

Abstract: An apparatus which includes one or more control modules, comprising: a state managing unit configured to manage a current state of the apparatus to control the control modules based on the current state, wherein the state of the apparatus is changed from one to another among a plurality of states with the passing of time; a storage unit configured to store state data for defining processes for controlling the respective control modules in response to a change of the state; and an data editing unit configured to edit the state data stored in the storage unit so as to change a process to be performed in a state among a plurality of states; wherein the state data includes respective state datum corresponding to each state in the plurality of states, and the state managing unit controls the control modules according to the state datum corresponding to the current state.