JP3873603B2 - ディジタル署名方法および装置 - Google Patents

ディジタル署名方法および装置 Download PDF

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Publication number
JP3873603B2
JP3873603B2 JP2000313123A JP2000313123A JP3873603B2 JP 3873603 B2 JP3873603 B2 JP 3873603B2 JP 2000313123 A JP2000313123 A JP 2000313123A JP 2000313123 A JP2000313123 A JP 2000313123A JP 3873603 B2 JP3873603 B2 JP 3873603B2
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Japan
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signature
log
digital signature
digital
message
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Expired - Lifetime
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JP2000313123A
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English (en)
Japanese (ja)
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JP2001331104A5 (https=
JP2001331104A (ja
Inventor
邦彦 宮崎
良一 佐々木
和夫 宝木
誠一 洲崎
俊之 森津
瑞洋 酒井
充 岩村
勉 松本
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2000313123A priority Critical patent/JP3873603B2/ja
Publication of JP2001331104A publication Critical patent/JP2001331104A/ja
Publication of JP2001331104A5 publication Critical patent/JP2001331104A5/ja
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Publication of JP3873603B2 publication Critical patent/JP3873603B2/ja
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JP2000313123A 1999-10-22 2000-10-06 ディジタル署名方法および装置 Expired - Lifetime JP3873603B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000313123A JP3873603B2 (ja) 1999-10-22 2000-10-06 ディジタル署名方法および装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP11-301216 1999-10-22
JP30121699 1999-10-22
JP2000-81712 2000-03-17
JP2000081712 2000-03-17
JP2000313123A JP3873603B2 (ja) 1999-10-22 2000-10-06 ディジタル署名方法および装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2003327111A Division JP4626136B2 (ja) 1999-10-22 2003-09-19 ディジタル署名処理システムおよびディジタル署名生成処理プログラムが記憶された記憶媒体

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JP2001331104A JP2001331104A (ja) 2001-11-30
JP2001331104A5 JP2001331104A5 (https=) 2004-10-07
JP3873603B2 true JP3873603B2 (ja) 2007-01-24

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JP2000313123A Expired - Lifetime JP3873603B2 (ja) 1999-10-22 2000-10-06 ディジタル署名方法および装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210281423A1 (en) * 2020-03-09 2021-09-09 Kabushiki Kaisha Toshiba Information processing device

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004104750A (ja) 2002-07-17 2004-04-02 Hitachi Ltd ディジタル署名の検証方法
US7134021B2 (en) * 1999-10-22 2006-11-07 Hitachi, Ltd. Method and system for recovering the validity of cryptographically signed digital data
JP2003143139A (ja) * 2001-11-07 2003-05-16 Fujitsu Ltd デジタルデータ記憶・検証プログラムおよびデジタルデータ記憶・検証方法
JP4078454B2 (ja) 2002-03-22 2008-04-23 株式会社日立製作所 ディジタル署名管理方法とディジタル署名処理装置およびプログラムと記録媒体
JP4266096B2 (ja) 2002-03-26 2009-05-20 株式会社日立製作所 ファイル保管システムとｎａｓサーバ
JP2004040344A (ja) 2002-07-02 2004-02-05 Hitachi Ltd 原本保証方法および原本保証システム
US7305564B2 (en) * 2002-12-19 2007-12-04 International Business Machines Corporation System and method to proactively detect software tampering
JP4608845B2 (ja) 2003-02-27 2011-01-12 株式会社日立製作所 署名記録の公開方法
JP4569118B2 (ja) * 2004-02-05 2010-10-27 株式会社日立製作所 署名検証ログを作成する検証結果記録方法とその装置
JP2006033728A (ja) * 2004-07-21 2006-02-02 Ricoh Co Ltd 画像形成装置及び紙情報の電子化方法
JP4700388B2 (ja) * 2005-03-30 2011-06-15 株式会社日立製作所 原本保証方法および原本保証システム
JP4783112B2 (ja) 2005-10-11 2011-09-28 株式会社日立製作所 署名履歴保管装置
JP4693854B2 (ja) * 2008-03-05 2011-06-01 株式会社東芝 文書データ管理システム
JP5458711B2 (ja) 2009-07-15 2014-04-02 富士ゼロックス株式会社 情報処理プログラム及び情報処理装置
WO2013054701A1 (ja) 2011-10-14 2013-04-18 株式会社日立製作所 データの真正性保証方法、管理計算機及び記憶媒体
JP6167990B2 (ja) * 2014-05-27 2017-07-26 パナソニックＩｐマネジメント株式会社 署名検証システム、検証装置、及び署名検証方法
CN109726597B (zh) * 2018-12-29 2020-12-08 杭州趣链科技有限公司 基于区块链的可信时间戳系统
JP2022079234A (ja) * 2020-11-16 2022-05-26 株式会社フィールズラボ 管理システム、装置及び方法
JP7517723B2 (ja) * 2022-07-06 2024-07-17 合同会社エルプラス 電子署名システム、電子署名方法及び、電子署名プログラム
JP7803020B1 (ja) * 2025-02-07 2026-01-21 ビヨンドブロックチェーン株式会社 データ管理システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210281423A1 (en) * 2020-03-09 2021-09-09 Kabushiki Kaisha Toshiba Information processing device
US11888990B2 (en) * 2020-03-09 2024-01-30 Kabushiki Kaisha Toshiba Information processing device controlling analysis of a program being executed based on a result of verification of an analysis program

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Publication number Publication date
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