Random value specific equipment, specific random number value system, and, random value specific way

摘要

Can not determine an appropriate random value that can be and to conceal the original value data, to increase the effectiveness of the data after the addition of the random value. The stored in association with the user identifier and permission information indicating one or more attributes that the user will accept the public receives the attribute name that indicates the attributes of the first, in an attribute of permission information indicating a first attribute is indicated, identifies a second attribute, depending on the total number of each attribute is indicated, the license information each indicating a second attribute, the second attribute of the first user identified by the user identifier associated with the license information Based on the attribute values ​​obtains the attribute values ​​corresponding to the attributes, is acquired, and to identify the correlation between the attribute and the second attribute of the first, it is identified based on the correlation identified that, in a random value within a range that can be taken is a random number between the attribute and the second attribute of the first, to generate a random number for each attribute.