Abstract: There is provided an information processing device including a query generation unit configured to generate, on the basis of a table in a database and any query with regard to the table, one or more different queries, and a table search unit configured to search for the number of tables that are different from the table and in which a result of the different query generated by the query generation unit is not in conflict with a result of the any query.

Abstract: Provided an information processing apparatus including a number generation unit configured to generate numbers used in coefficients of terms included in a pair of multi-order multivariate polynomials F=(f1, . . . , fm), using a predetermined function, from information shared between entities executing an algorithm of a public-key authentication scheme or a digital signature scheme that uses a public key including the pair of multi-order multivariate polynomials F, and an allocation unit configured to allocate the numbers generated by the number generation unit to the coefficients of the multi-order multivariate polynomials for which the pair of multi-order multivariate polynomials F are included in constituent elements.

Abstract: There is provided an information processing apparatus including a key selection section configured to select one out of a plurality of different secret keys, in a public key authentication scheme or a digital signature scheme in which each of the plurality of secret keys exists for one public key registered in a verifier, and a process execution section configured to execute, by using the secret key selected by the key selection section, an authentication process with the verifier by the public key authentication scheme or a digital signature generation process to the verifier by the digital signature scheme.

Abstract: There is provided an information processing device including a query generation unit configured to generate, on the basis of a table in a database and any query with regard to the table, one or more different queries, and a table search unit configured to search for the number of tables that are different from the table and in which a result of the different query generated by the query generation unit is not in conflict with a result of the any query.

Abstract: Provided is an information processing apparatus including a number acquisition unit configured to acquire a number used for a coefficient of each term constituting a set of a multi-order multivariate polynomial F=(f1, . . . , fm), the number generated using a predetermined function from information shared between entities that execute an algorithm of a public-key authentication scheme or a digital signature scheme that uses a public key including the set of the multi-order multivariate polynomial F, and a polynomial calculation unit configured to calculate a multi-order multivariate polynomial for an input value of a variable by allocating the number acquired by the number acquisition unit to coefficients of the multi-order multivariate that includes the set of the multi-order multivariate polynomial F as a structural element.

Abstract: Provided is an information processing apparatus including a number acquisition unit configured to acquire a number used for a coefficient of each term constituting a set of a multi-order multivariate polynomial F=(f1, . . .

Abstract: Provided an information processing apparatus including a number generation unit configured to generate numbers used in coefficients of terms included in a pair of multi-order multivariate polynomials F=(f1, . . . , fm), using a predetermined function, from information shared between entities executing an algorithm of a public-key authentication scheme or a digital signature scheme that uses a public key including the pair of multi-order multivariate polynomials F, and an allocation unit configured to allocate the numbers generated by the number generation unit to the coefficients of the multi-order multivariate polynomials for which the pair of multi-order multivariate polynomials F are included in constituent elements.

Abstract: There is provided an information processing apparatus including a key selection section configured to select one out of a plurality of different secret keys, in a public key authentication scheme or a digital signature scheme in which each of the plurality of secret keys exists for one public key registered in a verifier, and a process execution section configured to execute, by using the secret key selected by the key selection section, an authentication process with the verifier by the public key authentication scheme or a digital signature generation process to the verifier by the digital signature scheme.

Abstract: There is provided an information processing device including a distribution control unit configured to cause one or two external devices to distributively perform a repetitive process in a process for signature or authentication in which the repetitive process is included, and a processing unit configured to perform the process for signature or authentication using a processing result of each of the external devices.

Abstract: There is provided an information processing apparatus including a processing request acquisition unit configured to sequentially acquire a plurality of processing requests from a user, and an authentication execution unit configured to distribute and execute user authentication processing according to a timing of acquiring the plurality of processing requests.

Abstract: An information processing apparatus includes a calculation unit and a generation unit. The calculation unit is configured to calculate a frequency function which is a function relating to an appearance frequency of one or more attribute values of a database having a predetermined attribute and the one or more attribute values relating to the attribute. The generation unit is configured to generate sample data in accordance with the appearance frequency relating to the database on the basis of the frequency function calculated, the sample data including at least a part of the one or more attribute values as one or more sample attribute values.

Abstract: There is provided an information processing device including an acquisition unit that acquires a first word input by a user, and a presentation unit that presents second words for replacing the first word when the first word is acquired by the acquisition unit.