Title:
タグプライバシー保護方法、タグ装置、バックエンド装置、それらのプログラム及びこれらのプログラムを格納した記録媒体
Document Type and Number:
Japanese Patent JP4209425
Kind Code:
B2
Abstract:
A tag device (2810) for use in an automatic tag identification system comprised: a privileged ID input section (2013) to which a plurality of kinds of privileged ID's, which are re-encryptable encrypted texts corresponding to an identical tag ID information id h , are input; a privileged ID memory (2811) for storing the plurality of kinds of privileged ID's which are input thereto; a privileged ID extractor (2012) connected to the privileged ID memory (2811) for extracting any one of the privileged ID's from the privileged ID memory (2811) at a given opportunity; and a privileged ID output section (2013) for delivering the extracted privileged ID.
Inventors:
Miyako Okubo
Kotaro Suzuki
Shingo Kinoshita
Kotaro Suzuki
Shingo Kinoshita
Application Number:
JP2005514227A
Publication Date:
January 14, 2009
Filing Date:
September 27, 2004
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G06F12/14; G06F21/62; G06F21/64; G06K17/00; G06K19/07; G06K19/073; G06K19/10; H04L9/32
Domestic Patent References:
| JP10111835A | ||||
| JP10162085A | ||||
| JP2001243430A | ||||
| JP2002126332A | ||||
| JP2002183682A | ||||
| JP2002319001A | ||||
| JP2004192645A | ||||
| JP2004318478A | ||||
| JP2004318645A |
Other References:
WEIS S.A. ET AL.,Security and privacy in Radio-frequency identification devices,MASTERS THESIS,MIT,2003年 3月,URL,http://groups.csail.mit.edu/cis/theses/weis-masters.pdf
JUELS A. ET AL.,Squealing euros: privacy-protection in RFID-enabled banknotes,FINANCIAL CRYPTOGRAPHY 03,2003年 1月,URL,http://www.rsa.com/rsalabs/staff/bios/ajuels/publications/euro/Euro.pdf
M. Ohkubo ET AL.,Cryptographic Approach to Privacy-Friendly Tags,MIT RFID Privacy Workshop,2003年11月,URL,http://lasecwww.epfl.ch/~gavoine/download/papers/OhkuboSK-2003-mit-paper.pdf
JUELS A. ET AL.,Squealing euros: privacy-protection in RFID-enabled banknotes,FINANCIAL CRYPTOGRAPHY 03,2003年 1月,URL,http://www.rsa.com/rsalabs/staff/bios/ajuels/publications/euro/Euro.pdf
M. Ohkubo ET AL.,Cryptographic Approach to Privacy-Friendly Tags,MIT RFID Privacy Workshop,2003年11月,URL,http://lasecwww.epfl.ch/~gavoine/download/papers/OhkuboSK-2003-mit-paper.pdf
Attorney, Agent or Firm:
Naoki Nakao
Taku Kusano
Yukio Nakamura
Minoru Inagaki
Taku Kusano
Yukio Nakamura
Minoru Inagaki