JP4646691B2 - 暗号化通信システム、秘密鍵発行装置、および、プログラム - Google Patents

暗号化通信システム、秘密鍵発行装置、および、プログラム Download PDF

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JP4646691B2
JP4646691B2 JP2005137623A JP2005137623A JP4646691B2 JP 4646691 B2 JP4646691 B2 JP 4646691B2 JP 2005137623 A JP2005137623 A JP 2005137623A JP 2005137623 A JP2005137623 A JP 2005137623A JP 4646691 B2 JP4646691 B2 JP 4646691B2
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information
secret key
destination
charging
function
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JP2006319457A (ja
JP2006319457A5 (enExample
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重俊 横山
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NTT Data Group Corp
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NTT Data Corp
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JP2005137623A 2005-05-10 2005-05-10 暗号化通信システム、秘密鍵発行装置、および、プログラム Expired - Fee Related JP4646691B2 (ja)

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JP2005137623A JP4646691B2 (ja) 2005-05-10 2005-05-10 暗号化通信システム、秘密鍵発行装置、および、プログラム

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JP2005137623A JP4646691B2 (ja) 2005-05-10 2005-05-10 暗号化通信システム、秘密鍵発行装置、および、プログラム

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JP2006319457A JP2006319457A (ja) 2006-11-24
JP2006319457A5 JP2006319457A5 (enExample) 2008-03-06
JP4646691B2 true JP4646691B2 (ja) 2011-03-09

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JP2005137623A Expired - Fee Related JP4646691B2 (ja) 2005-05-10 2005-05-10 暗号化通信システム、秘密鍵発行装置、および、プログラム

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4600418B2 (ja) 2007-04-20 2010-12-15 株式会社日立製作所 受信装置および受信方法
JP5079479B2 (ja) * 2007-12-06 2012-11-21 日本電信電話株式会社 Ｉｄベース暗号システム、方法
JP5432776B2 (ja) * 2010-03-08 2014-03-05 日本電信電話株式会社 Ｉｄベース暗号利用方法、暗号化装置、管理装置及びそれらのプログラム
JP6093664B2 (ja) * 2013-07-05 2017-03-08 Kddi株式会社 秘密鍵発行装置、公開鍵暗号システム、電子署名システム、秘密鍵発行方法およびコンピュータプログラム
JPWO2022259494A1 (enExample) * 2021-06-10 2022-12-15
WO2022259495A1 (ja) * 2021-06-10 2022-12-15 日本電信電話株式会社 通信システム、ユーザ端末、通信方法および通信プログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1093735A (ja) * 1996-09-12 1998-04-10 Katsumi Ikuma 通信機器の回線使用料課金方法及び通信機器
JP2000049765A (ja) * 1998-07-24 2000-02-18 Sony Corp 暗号鍵通信システム及び暗号鍵通信方法、記録媒体
JP2002074037A (ja) * 2000-09-04 2002-03-12 Shoogun:Kk 販売提供システム
WO2003017559A2 (en) * 2001-08-13 2003-02-27 Board Of Trustees Of The Leland Stanford Junior University Systems and methods for identity-based encryption and related cryptographic techniques
JP2005072684A (ja) * 2003-08-27 2005-03-17 Ntt Docomo Inc 課金先判定サーバ、課金先判定システム、および課金先判定方法

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