JP2006013628A5 - - Google Patents

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Publication number
JP2006013628A5
JP2006013628A5 JP2004184165A JP2004184165A JP2006013628A5 JP 2006013628 A5 JP2006013628 A5 JP 2006013628A5 JP 2004184165 A JP2004184165 A JP 2004184165A JP 2004184165 A JP2004184165 A JP 2004184165A JP 2006013628 A5 JP2006013628 A5 JP 2006013628A5
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JP
Japan
Prior art keywords
key
expiration date
communication device
identification information
message
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
JP2004184165A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006013628A (ja
JP4365733B2 (ja
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Publication date
Application filed filed Critical
Priority claimed from JP2004184165A external-priority patent/JP4365733B2/ja
Priority to JP2004184165A priority Critical patent/JP4365733B2/ja
Priority to US11/630,143 priority patent/US7954154B2/en
Priority to PCT/JP2005/010262 priority patent/WO2005125082A1/ja
Priority to EP05750802A priority patent/EP1758291A4/en
Priority to TW094120226A priority patent/TW200618573A/zh
Publication of JP2006013628A publication Critical patent/JP2006013628A/ja
Publication of JP2006013628A5 publication Critical patent/JP2006013628A5/ja
Publication of JP4365733B2 publication Critical patent/JP4365733B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004184165A 2004-06-22 2004-06-22 通信システムおよび通信装置 Expired - Fee Related JP4365733B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004184165A JP4365733B2 (ja) 2004-06-22 2004-06-22 通信システムおよび通信装置
US11/630,143 US7954154B2 (en) 2004-06-22 2005-06-03 Communication system and communication apparatus
PCT/JP2005/010262 WO2005125082A1 (ja) 2004-06-22 2005-06-03 通信システムおよび通信装置
EP05750802A EP1758291A4 (en) 2004-06-22 2005-06-03 COMMUNICATION SYSTEM AND COMMUNICATION DEVICE
TW094120226A TW200618573A (en) 2004-06-22 2005-06-17 Communication system and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004184165A JP4365733B2 (ja) 2004-06-22 2004-06-22 通信システムおよび通信装置

Publications (3)

Publication Number Publication Date
JP2006013628A JP2006013628A (ja) 2006-01-12
JP2006013628A5 true JP2006013628A5 (enExample) 2006-02-23
JP4365733B2 JP4365733B2 (ja) 2009-11-18

Family

ID=35510090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004184165A Expired - Fee Related JP4365733B2 (ja) 2004-06-22 2004-06-22 通信システムおよび通信装置

Country Status (5)

Country Link
US (1) US7954154B2 (enExample)
EP (1) EP1758291A4 (enExample)
JP (1) JP4365733B2 (enExample)
TW (1) TW200618573A (enExample)
WO (1) WO2005125082A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1946062A (zh) 2006-10-10 2007-04-11 华为数字技术有限公司 保活nat设备中会话表项的方法和系统
CN101669322B (zh) * 2007-05-08 2013-07-03 汤姆森特许公司 用于调节解密密钥的方法和装置
US9998287B2 (en) * 2015-03-06 2018-06-12 Comcast Cable Communications, Llc Secure authentication of remote equipment
JP7300845B2 (ja) * 2019-02-15 2023-06-30 三菱重工業株式会社 制御装置、産業用制御システムおよび暗号鍵寿命延長方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683202B2 (ja) 1985-06-25 1994-10-19 日本電気株式会社 デ−タ符号化／復号化装置
JPH10276186A (ja) 1997-03-31 1998-10-13 Nippon Telegr & Teleph Corp <Ntt> 認証システムにおける公開鍵証明証の有効期限通知方法
JPH11212926A (ja) * 1998-01-27 1999-08-06 Nec Commun Syst Ltd Ｕｎｉｘシステムにおけるシステム時刻補正方法
JP4434465B2 (ja) * 1999-11-16 2010-03-17 キヤノン株式会社 通信装置及び方法並びに記憶媒体
JP2001292135A (ja) 2000-04-07 2001-10-19 Matsushita Electric Ind Co Ltd 鍵交換システム
JP2002217896A (ja) * 2001-01-23 2002-08-02 Matsushita Electric Ind Co Ltd 暗号通信方法およびゲートウエイ装置
WO2003024136A1 (en) * 2001-09-12 2003-03-20 Aircross Co., Ltd. Push advertisement in mobile communications network and mobile terminal suitable for the same
JP2003101533A (ja) 2001-09-25 2003-04-04 Toshiba Corp 機器認証管理システム及び機器認証管理方法
JP3961309B2 (ja) 2002-02-13 2007-08-22 三菱電機株式会社 公開鍵サーバ
JP2004096583A (ja) 2002-09-03 2004-03-25 Toshiba Corp 通信方法及び通信端末
JP2004166153A (ja) * 2002-11-15 2004-06-10 Nec Corp マルチキャスト配信システムにおける鍵交換方式
US7702904B2 (en) * 2002-11-15 2010-04-20 Nec Corporation Key management system and multicast delivery system using the same
KR100456162B1 (ko) * 2002-12-14 2004-11-09 한국전자통신연구원 디지털 케이블 티비 제한수신시스템에서 키 업데이트 방법
JP2004363724A (ja) * 2003-06-02 2004-12-24 Toshiba Corp 受信管理装置、放送受信装置、情報配信装置、情報配信方法およびプログラム

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