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Key Generation from Human Movements for Secure Device Pairing

  • MINAMI Takahiro
    Graduate School of Information Science, Nara Institute of Science and Technology
  • NINO Yuichi
    Service Platform Research Laboratory, NEC Corporation
  • NODA Jun
    Service Platform Research Laboratory, NEC Corporation
  • NAKAMURA Yoshitaka
    Graduate School of Information Science, Nara Institute of Science and Technology
  • SEKI Hiroyuki
    Graduate School of Information Science, Nara Institute of Science and Technology

Bibliographic Information

Other Title
  • ユーザの動作類似度に基づく共通鍵生成法
  • ユーザ ノ ドウサ ルイジド ニ モトズク キョウツウ カギ セイセイホウ

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Abstract

By the rapid development of the mobile device technology, expensive contents and/or privacy information come to be communicated between the terminals of the users. Currently, as the encrypting key for secure ad-hoc communication, a fixed key or PIN code is commonly used between conventional mobile devices. However, the length of these keys is generally short and the setting of the keys is bothersome. In this paper, we propose a method to generate a common key between mobile devices based on the similarity of the users' movements measured by the accelerometers. The experimental result showed that from a pair of the movements with middle similarity a common key equivalent to the PIN code can be generated within 1 minute.

Journal

  • IPSJ SIG Notes

    IPSJ SIG Notes 138 307-312, 2009-02-26

    Information Processing Society of Japan (IPSJ)

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