JP4451253B2 - 時刻証明方法、時刻証明監査方法、時刻証明装置、監査装置、時刻証明プログラム、時刻証明監査プログラム、時刻証明検証プログラム、およびプログラム記録媒体 - Google Patents

時刻証明方法、時刻証明監査方法、時刻証明装置、監査装置、時刻証明プログラム、時刻証明監査プログラム、時刻証明検証プログラム、およびプログラム記録媒体 Download PDF

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JP4451253B2
JP4451253B2 JP2004256035A JP2004256035A JP4451253B2 JP 4451253 B2 JP4451253 B2 JP 4451253B2 JP 2004256035 A JP2004256035 A JP 2004256035A JP 2004256035 A JP2004256035 A JP 2004256035A JP 4451253 B2 JP4451253 B2 JP 4451253B2
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JP2005110225A (ja
JP2005110225A5 (enExample
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英一 堀田
諭 小野
昭 田倉
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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JP2004256035A 2003-09-08 2004-09-02 時刻証明方法、時刻証明監査方法、時刻証明装置、監査装置、時刻証明プログラム、時刻証明監査プログラム、時刻証明検証プログラム、およびプログラム記録媒体 Expired - Fee Related JP4451253B2 (ja)

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JP2004256035A JP4451253B2 (ja) 2003-09-08 2004-09-02 時刻証明方法、時刻証明監査方法、時刻証明装置、監査装置、時刻証明プログラム、時刻証明監査プログラム、時刻証明検証プログラム、およびプログラム記録媒体

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JP2003315701 2003-09-08
JP2004256035A JP4451253B2 (ja) 2003-09-08 2004-09-02 時刻証明方法、時刻証明監査方法、時刻証明装置、監査装置、時刻証明プログラム、時刻証明監査プログラム、時刻証明検証プログラム、およびプログラム記録媒体

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JP2005110225A JP2005110225A (ja) 2005-04-21
JP2005110225A5 JP2005110225A5 (enExample) 2006-09-21
JP4451253B2 true JP4451253B2 (ja) 2010-04-14

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Publication number Priority date Publication date Assignee Title
EP1699163A4 (en) 2004-08-19 2014-03-26 Nippon Telegraph & Telephone Event order certifying method
JP5544175B2 (ja) * 2010-01-07 2014-07-09 株式会社日立製作所 原本性保証方法、管理サーバ、プログラムおよび記憶媒体

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