Title:
ANONYMIZATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/077600
Kind Code:
A1
Abstract:
An anonymization system according to an embodiment is provided with at least one encryption device, at least one anonymization device, and at least one decryption device. The encryption device stores personal data including a value for each item, and performs a process of encrypting the value of each item included in the personal data, thereby generating encrypted data from the personal data. The anonymization device performs a process of anonymizing the values of some of the items in the encrypted data without decrypting the values, thereby generating encrypted/anonymized data from the encrypted data. The decryption device performs a process of decrypting the encrypted/anonymized data, thereby generating anonymized data from the encrypted/anonymized data.
More Like This:
Inventors:
KOIKE MASANOBU (JP)
FUJII YOSHIHIRO (JP)
FUJII YOSHIHIRO (JP)
Application Number:
PCT/JP2015/081054
Publication Date:
May 11, 2017
Filing Date:
November 04, 2015
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA SOLUTIONS CORP (JP)
TOSHIBA SOLUTIONS CORP (JP)
International Classes:
G06F21/62
Foreign References:
| JP2015526782A | 2015-09-10 |
Other References:
RYO KIKUCHI ET AL.: "Simple Privacy- Preserving Join Protocols for Vertically Partitioned Data", COMPUTER SECURITY SYMPOSIUM 2015 RONBUNSHU, 14 October 2015 (2015-10-14), pages 576 - 583, XP058196127
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Download PDF: