JP4748762B2 - 署名生成方法及び情報処理装置 - Google Patents

署名生成方法及び情報処理装置 Download PDF

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Publication number
JP4748762B2
JP4748762B2 JP2004244132A JP2004244132A JP4748762B2 JP 4748762 B2 JP4748762 B2 JP 4748762B2 JP 2004244132 A JP2004244132 A JP 2004244132A JP 2004244132 A JP2004244132 A JP 2004244132A JP 4748762 B2 JP4748762 B2 JP 4748762B2
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Japan
Prior art keywords
signature
data
content
input
control information
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Expired - Fee Related
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JP2004244132A
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English (en)
Japanese (ja)
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JP2006065408A (ja
JP2006065408A5 (enExample
Inventor
祐治 須賀
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2004244132A priority Critical patent/JP4748762B2/ja
Priority to US11/202,491 priority patent/US20060053155A1/en
Publication of JP2006065408A publication Critical patent/JP2006065408A/ja
Publication of JP2006065408A5 publication Critical patent/JP2006065408A5/ja
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Publication of JP4748762B2 publication Critical patent/JP4748762B2/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Bioethics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Storage Device Security (AREA)
JP2004244132A 2004-08-24 2004-08-24 署名生成方法及び情報処理装置 Expired - Fee Related JP4748762B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004244132A JP4748762B2 (ja) 2004-08-24 2004-08-24 署名生成方法及び情報処理装置
US11/202,491 US20060053155A1 (en) 2004-08-24 2005-08-12 Signature generating method, signature verifying method, and information processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004244132A JP4748762B2 (ja) 2004-08-24 2004-08-24 署名生成方法及び情報処理装置

Publications (3)

Publication Number Publication Date
JP2006065408A JP2006065408A (ja) 2006-03-09
JP2006065408A5 JP2006065408A5 (enExample) 2007-10-04
JP4748762B2 true JP4748762B2 (ja) 2011-08-17

Family

ID=35997441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004244132A Expired - Fee Related JP4748762B2 (ja) 2004-08-24 2004-08-24 署名生成方法及び情報処理装置

Country Status (2)

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US (1) US20060053155A1 (enExample)
JP (1) JP4748762B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6089577B2 (ja) * 2012-10-19 2017-03-08 富士通株式会社 画像処理装置、画像処理方法および画像処理プログラム
JP5838248B1 (ja) * 2014-09-24 2016-01-06 株式会社 ディー・エヌ・エー ユーザに所定のサービスを提供するシステム及び方法
JP2017058800A (ja) * 2015-09-15 2017-03-23 富士ゼロックス株式会社 情報処理装置及びプログラム
US10853057B1 (en) * 2017-03-29 2020-12-01 Amazon Technologies, Inc. Software library versioning with caching

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943422A (en) * 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
US6282653B1 (en) * 1998-05-15 2001-08-28 International Business Machines Corporation Royalty collection method and system for use of copyrighted digital materials on the internet
US6367019B1 (en) * 1999-03-26 2002-04-02 Liquid Audio, Inc. Copy security for portable music players
JP4447821B2 (ja) * 2002-04-15 2010-04-07 ソニー株式会社 情報処理装置および方法
US7631318B2 (en) * 2002-06-28 2009-12-08 Microsoft Corporation Secure server plug-in architecture for digital rights management systems
US7278168B1 (en) * 2002-11-27 2007-10-02 Adobe Systems Incorporated Dynamic enabling of functionality in electronic document readers
US20050044397A1 (en) * 2003-08-19 2005-02-24 Telefonaktiebolaget Lm Ericsson Method and system for secure time management in digital rights management

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Publication number Publication date
JP2006065408A (ja) 2006-03-09
US20060053155A1 (en) 2006-03-09

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