JPH1049521A - プレーンテキスト情報に識別情報を添加する方法及びそのための装置 - Google Patents

プレーンテキスト情報に識別情報を添加する方法及びそのための装置

Info

Publication number
JPH1049521A
JPH1049521A JP9088686A JP8868697A JPH1049521A JP H1049521 A JPH1049521 A JP H1049521A JP 9088686 A JP9088686 A JP 9088686A JP 8868697 A JP8868697 A JP 8868697A JP H1049521 A JPH1049521 A JP H1049521A
Authority
JP
Japan
Prior art keywords
code
document
copy
user identifier
key
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.)
Pending
Application number
JP9088686A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1049521A5 (enExample
Inventor
Jakob Nielsen
ジェイコブ・ニールセン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sun Microsystems Inc
Original Assignee
Sun Microsystems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Publication of JPH1049521A publication Critical patent/JPH1049521A/ja
Publication of JPH1049521A5 publication Critical patent/JPH1049521A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/16—Program or content traceability, e.g. by watermarking

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Document Processing Apparatus (AREA)
  • Storage Device Security (AREA)
JP9088686A 1996-03-25 1997-03-25 プレーンテキスト情報に識別情報を添加する方法及びそのための装置 Pending JPH1049521A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/621,671 US5953415A (en) 1996-03-25 1996-03-25 Fingerprinting plain text information
US08/621671 1996-03-25

Publications (2)

Publication Number Publication Date
JPH1049521A true JPH1049521A (ja) 1998-02-20
JPH1049521A5 JPH1049521A5 (enExample) 2005-02-24

Family

ID=24491140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9088686A Pending JPH1049521A (ja) 1996-03-25 1997-03-25 プレーンテキスト情報に識別情報を添加する方法及びそのための装置

Country Status (4)

Country Link
US (1) US5953415A (enExample)
EP (1) EP0798619B1 (enExample)
JP (1) JPH1049521A (enExample)
DE (1) DE69730770D1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006048188A (ja) * 2004-08-02 2006-02-16 Japan Cyberspace Corp 文書ファイル管理システム及び文書ファイル管理方法並びに文書ファイル処理プログラム
JP2014079887A (ja) * 2012-10-12 2014-05-08 Fuji Xerox Co Ltd 情報処理装置、情報処理プログラム、及び情報処理システム

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI103543B (fi) * 1996-09-30 1999-07-15 Nokia Telecommunications Oy Elektronisten dokumenttien merkitseminen
USRE41198E1 (en) 1997-04-16 2010-04-06 Dunn Christopher S Method of detecting authorised biometric information sensor
US6901154B2 (en) * 1997-04-16 2005-05-31 Activcard Ireland Limited Method of detecting authorised biometric information sensor
US6674859B1 (en) 1997-08-05 2004-01-06 Brainshield Technologies, Inc. Device and method for the protected output of electronically transmitted and stored documents
JP2000003129A (ja) * 1998-04-17 2000-01-07 Digital Vision Laboratories:Kk 電子透かし埋め込み装置
US6263348B1 (en) * 1998-07-01 2001-07-17 Serena Software International, Inc. Method and apparatus for identifying the existence of differences between two files
GB2339656B (en) * 1998-07-14 2003-05-21 Laurence Frank Turner electronic watermarking
US6678821B1 (en) 2000-03-23 2004-01-13 E-Witness Inc. Method and system for restricting access to the private key of a user in a public key infrastructure
US20010054144A1 (en) * 2000-06-16 2001-12-20 Michael Epstein Confirming the existence of a complete data set under multiple control scenarios
US10304052B2 (en) 2000-06-30 2019-05-28 James Leonard Driessen Retail point of sale (RPOS) apparatus for internet merchandising
US7742993B2 (en) * 2005-10-31 2010-06-22 James Leonard Driessen SCART-card (secure consumer advantaged retail trading)
US8438111B2 (en) * 2000-06-30 2013-05-07 James Leonard Driessen Retail point of sale (RPOS) digital rights convergence
US7003500B1 (en) * 2000-08-01 2006-02-21 James Leonard Driessen Retail point of sale (RPOS) apparatus for internet merchandising
US8010988B2 (en) * 2000-09-14 2011-08-30 Cox Ingemar J Using features extracted from an audio and/or video work to obtain information about the work
US8205237B2 (en) 2000-09-14 2012-06-19 Cox Ingemar J Identifying works, using a sub-linear time search, such as an approximate nearest neighbor search, for initiating a work-based action, such as an action on the internet
EP1260898A1 (en) * 2001-05-23 2002-11-27 Koninklijke KPN N.V. Method for authenticating files
US20030016842A1 (en) * 2001-07-23 2003-01-23 Patton Charles M. Digital content with information of latent value to purchaser and method for making the same
JP2005535960A (ja) * 2002-08-13 2005-11-24 ヒューレット−パッカード デベロップメント カンパニー エル．ピー． 購入者にとっての潜在的な価値がある情報を含むデジタルコンテンツ及びそれを作成する方法
AU2002324695A1 (en) * 2002-08-13 2004-02-25 Hewlett-Packard Development Company, L.P. Digital content with information of latent value to purchaser and method for making the same
US7996673B2 (en) 2004-05-12 2011-08-09 Echoworx Corporation System, method and computer product for sending encrypted messages to recipients where the sender does not possess the credentials of the recipient
DE102005059139A1 (de) * 2005-12-10 2007-06-21 Arndt Seehawer Verfahren zum Verknüpfen eines digitalen Inhalts mit einer Person
GB2490490A (en) 2011-04-28 2012-11-07 Nds Ltd Encoding natural-language text and detecting plagiarism
US8838657B1 (en) 2012-09-07 2014-09-16 Amazon Technologies, Inc. Document fingerprints using block encoding of text
US9294480B2 (en) * 2014-01-15 2016-03-22 Cisco Technology, Inc. Tracking and tracing information theft from information systems
US10839135B1 (en) * 2018-01-03 2020-11-17 Amazon Technologies, Inc. Detection of access to text-based transmissions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291598A (en) * 1992-04-07 1994-03-01 Gregory Grundy Method and system for decentralized manufacture of copy-controlled software
JP2659896B2 (ja) * 1992-04-29 1997-09-30 インターナショナル・ビジネス・マシーンズ・コーポレイション 構造化文書複製管理方法及び構造化文書複製管理装置
US5636292C1 (en) * 1995-05-08 2002-06-18 Digimarc Corp Steganography methods employing embedded calibration data
US5509074A (en) * 1994-01-27 1996-04-16 At&T Corp. Method of protecting electronically published materials using cryptographic protocols
US5493677A (en) * 1994-06-08 1996-02-20 Systems Research & Applications Corporation Generation, archiving, and retrieval of digital images with evoked suggestion-set captions and natural language interface
US5568570A (en) * 1994-09-30 1996-10-22 Eastman Kodak Company Method and apparatus for reducing quantization artifacts in a hierarchical image storage and retrieval system
US5530759A (en) * 1995-02-01 1996-06-25 International Business Machines Corporation Color correct digital watermarking of images
US5613004A (en) * 1995-06-07 1997-03-18 The Dice Company Steganographic method and device
US5664018A (en) * 1996-03-12 1997-09-02 Leighton; Frank Thomson Watermarking process resilient to collusion attacks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006048188A (ja) * 2004-08-02 2006-02-16 Japan Cyberspace Corp 文書ファイル管理システム及び文書ファイル管理方法並びに文書ファイル処理プログラム
JP2014079887A (ja) * 2012-10-12 2014-05-08 Fuji Xerox Co Ltd 情報処理装置、情報処理プログラム、及び情報処理システム

Also Published As

Publication number Publication date
EP0798619A2 (en) 1997-10-01
EP0798619B1 (en) 2004-09-22
EP0798619A3 (en) 1997-10-15
DE69730770D1 (de) 2004-10-28
US5953415A (en) 1999-09-14

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