JP2002190797A5 - - Google Patents

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Publication number
JP2002190797A5
JP2002190797A5 JP2001311039A JP2001311039A JP2002190797A5 JP 2002190797 A5 JP2002190797 A5 JP 2002190797A5 JP 2001311039 A JP2001311039 A JP 2001311039A JP 2001311039 A JP2001311039 A JP 2001311039A JP 2002190797 A5 JP2002190797 A5 JP 2002190797A5
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JP
Japan
Prior art keywords
information
key
encryption
date
decryption
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.)
Granted
Application number
JP2001311039A
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English (en)
Japanese (ja)
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JP2002190797A (ja
JP4104315B2 (ja
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Publication date
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Priority to JP2001311039A priority Critical patent/JP4104315B2/ja
Priority claimed from JP2001311039A external-priority patent/JP4104315B2/ja
Publication of JP2002190797A publication Critical patent/JP2002190797A/ja
Publication of JP2002190797A5 publication Critical patent/JP2002190797A5/ja
Application granted granted Critical
Publication of JP4104315B2 publication Critical patent/JP4104315B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2001311039A 2001-10-09 2001-10-09 鍵管理システム、鍵管理装置、情報暗号化装置、情報復号化装置、およびプログラムを記憶した記憶媒体 Expired - Fee Related JP4104315B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001311039A JP4104315B2 (ja) 2001-10-09 2001-10-09 鍵管理システム、鍵管理装置、情報暗号化装置、情報復号化装置、およびプログラムを記憶した記憶媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001311039A JP4104315B2 (ja) 2001-10-09 2001-10-09 鍵管理システム、鍵管理装置、情報暗号化装置、情報復号化装置、およびプログラムを記憶した記憶媒体

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP18118697A Division JP3657396B2 (ja) 1997-07-07 1997-07-07 鍵管理システム、鍵管理装置、情報暗号化装置、情報復号化装置、およびプログラムを記憶した記憶媒体

Publications (3)

Publication Number Publication Date
JP2002190797A JP2002190797A (ja) 2002-07-05
JP2002190797A5 true JP2002190797A5 (fr) 2005-05-19
JP4104315B2 JP4104315B2 (ja) 2008-06-18

Family

ID=19129932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001311039A Expired - Fee Related JP4104315B2 (ja) 2001-10-09 2001-10-09 鍵管理システム、鍵管理装置、情報暗号化装置、情報復号化装置、およびプログラムを記憶した記憶媒体

Country Status (1)

Country Link
JP (1) JP4104315B2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7702904B2 (en) 2002-11-15 2010-04-20 Nec Corporation Key management system and multicast delivery system using the same
JP5097145B2 (ja) * 2009-02-09 2012-12-12 日本電信電話株式会社 暗号化システム、暗号化方法

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