Group Management Method of RFID Passwords for Privacy Protection

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  • プライバシー保護のためのＩＣタグパスワード群管理方式
  • プライバシー ホゴ ノ タメノ IC タグ パスワード グンカンリ ホウシキ

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Abstract

When RFID tag is used in the whole item lifecycle including a consumer scene or a recycle scene, we have to protect consumer privacy in the state that RFID tag is stuck on an item. We use the low cost RFID tag that has the access control function using a password, and we propose a method which manages RFID tags by passwords identical to each group of RFID tags. This proposal improves safety of RFID system because the proposal method is able to reduce the traceability for a RFID tag, and hold down the influence for disclosure of RFID passwords in the both scenes.

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