Pseudonym-based method to guarantee anonymity in privacy data management

摘要

The present invention is to provide data that includes personal information of individuals outside the , to avoid the leakage of personal privacy information, and using an alias instead of the user's real name, and generalize sensitive property values that may be used to identify the individual making it difficult to specify a specific individual on how to preserve anonymity. Data associating the real name and the alias name of the individual and be managed in a secure server, and accessed through an alias name, the attribute value is sensitive to the processing, and information through a common server for managing other attribute values to the outside. After a search of the records for a specific individual being done, personal identification via an alias, since it occurs, will give it a new nickname. Once this time only modify the alias of the record, note that the previous information by tracking changes nickname to the person's identification is possible. The present invention is to modify an alias, modify the alias in the record for all to share sensitive personal attributes to allow access to personal information while ensuring the anonymity of records. ;