ATE293334T1 - Verfahren zum authentifizieren mehrerer mit einem textdokument verbundener dateien - Google Patents

Verfahren zum authentifizieren mehrerer mit einem textdokument verbundener dateien

Info

Publication number
ATE293334T1
ATE293334T1 AT02764596T AT02764596T ATE293334T1 AT E293334 T1 ATE293334 T1 AT E293334T1 AT 02764596 T AT02764596 T AT 02764596T AT 02764596 T AT02764596 T AT 02764596T AT E293334 T1 ATE293334 T1 AT E293334T1
Authority
AT
Austria
Prior art keywords
subset
hash
text document
document
encoded
Prior art date
Application number
AT02764596T
Other languages
English (en)
Inventor
Fernando Incertis Carro
Original Assignee
Ibm France
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 Ibm France filed Critical Ibm France
Application granted granted Critical
Publication of ATE293334T1 publication Critical patent/ATE293334T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Storage Device Security (AREA)
  • Document Processing Apparatus (AREA)
  • Information Transfer Between Computers (AREA)
AT02764596T 2001-06-12 2002-06-04 Verfahren zum authentifizieren mehrerer mit einem textdokument verbundener dateien ATE293334T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01480047 2001-06-12
PCT/EP2002/006928 WO2002101522A2 (en) 2001-06-12 2002-06-04 Method of authenticating a plurality of files linked to a text document

Publications (1)

Publication Number Publication Date
ATE293334T1 true ATE293334T1 (de) 2005-04-15

Family

ID=8183396

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02764596T ATE293334T1 (de) 2001-06-12 2002-06-04 Verfahren zum authentifizieren mehrerer mit einem textdokument verbundener dateien

Country Status (7)

Country Link
US (1) US7117367B2 (de)
EP (1) EP1396142B8 (de)
CN (1) CN1323365C (de)
AT (1) ATE293334T1 (de)
AU (1) AU2002328819A1 (de)
DE (1) DE60203711T2 (de)
WO (1) WO2002101522A2 (de)

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ATE521928T1 (de) * 2001-06-12 2011-09-15 Ibm Verfahren zum unsichtbaren einbetten der lizenzidentifikation der erzeugenden lizensierten software in ein textdokument
US7653814B2 (en) 2001-12-11 2010-01-26 International Business Machines Corporation System and method for securely hyperlinking graphic objects
GB2400463B (en) * 2003-04-11 2005-05-25 Nextenders Data processing apparatus and method for distributing and authenticating electronic documents
US7370206B1 (en) * 2003-09-04 2008-05-06 Adobe Systems Incorporated Self-signing electronic documents
JP2005122704A (ja) * 2003-09-22 2005-05-12 Fujitsu Ltd プログラム
US8429232B1 (en) 2003-10-03 2013-04-23 Voltage Security, Inc. Message authentication using signatures
GB0411777D0 (en) * 2004-05-26 2004-06-30 Crypomathic Ltd Computationally asymmetric cryptographic systems
CN1753360B (zh) * 2004-09-26 2010-07-28 华为技术有限公司 一种提高数字签名安全性的方法
GB2419762A (en) 2004-11-01 2006-05-03 Sony Uk Ltd Method of generating protected media signals by replacing data bits with hash values
US7770015B1 (en) * 2005-05-20 2010-08-03 Adobe Systems Incorporated Signatures for multiple encodings
US7725595B1 (en) 2005-05-24 2010-05-25 The United States Of America As Represented By The Secretary Of The Navy Embedded communications system and method
JP4788212B2 (ja) * 2005-07-13 2011-10-05 富士ゼロックス株式会社 デジタル署名プログラム及びデジタル署名システム
US8272058B2 (en) 2005-07-29 2012-09-18 Bit 9, Inc. Centralized timed analysis in a network security system
US7895651B2 (en) 2005-07-29 2011-02-22 Bit 9, Inc. Content tracking in a network security system
US8984636B2 (en) 2005-07-29 2015-03-17 Bit9, Inc. Content extractor and analysis system
US20070136328A1 (en) * 2005-11-25 2007-06-14 International Business Machines Corporation System and method for managing files to be attached to and detached from an electronic document
US7451120B1 (en) 2006-03-20 2008-11-11 Google Inc. Detecting novel document content
US20070283158A1 (en) * 2006-06-02 2007-12-06 Microsoft Corporation Microsoft Patent Group System and method for generating a forensic file
US8219817B2 (en) * 2006-07-11 2012-07-10 Dialogic Corporation System and method for authentication of transformed documents
US7971257B2 (en) * 2006-08-03 2011-06-28 Symantec Corporation Obtaining network origins of potential software threats
US20100031140A1 (en) * 2008-08-01 2010-02-04 Cummins Fred A Verifying An Electronic Document
US8078646B2 (en) * 2008-08-08 2011-12-13 Oracle International Corporation Representing and manipulating RDF data in a relational database management system
US8464249B1 (en) 2009-09-17 2013-06-11 Adobe Systems Incorporated Software installation package with digital signatures
JP5537149B2 (ja) * 2009-12-25 2014-07-02 キヤノン株式会社 画像処理装置及びその制御方法、並びにプログラム
US9075798B2 (en) * 2010-07-30 2015-07-07 Adobe Systems Incorporated Verifying authenticity of input using a hashing algorithm
US8756246B2 (en) 2011-05-26 2014-06-17 Oracle International Corporation Method and system for caching lexical mappings for RDF data
US9280792B2 (en) * 2012-10-12 2016-03-08 Empire Technology Development Llc Notarization based on currency transactions
GB2512373A (en) * 2013-03-28 2014-10-01 Thunderhead Ltd Document tamper detection
CN104504342B (zh) * 2014-12-04 2018-04-03 中国科学院信息工程研究所 基于Unicode编码利用不可见字符隐藏信息的方法
CN107665314B (zh) * 2017-09-25 2019-11-08 北京国富安电子商务安全认证有限公司 在电子文档上签名的可信处理方法及装置
US11025643B2 (en) * 2019-04-02 2021-06-01 International Business Machines Corporation Mobile multi-party digitally signed documents and techniques for using these allowing detection of tamper
CN110830261B (zh) * 2019-10-12 2023-05-02 平安普惠企业管理有限公司 加密方法、装置、计算机设备及存储介质
US11481230B2 (en) * 2020-12-17 2022-10-25 Oracle International Corporation Techniques for modifying a compute instance

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5499294A (en) * 1993-11-24 1996-03-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Digital camera with apparatus for authentication of images produced from an image file
US6086706A (en) 1993-12-20 2000-07-11 Lucent Technologies Inc. Document copying deterrent method
AU7662496A (en) 1995-10-13 1997-04-30 Netrights, Llc System and methods for managing digital creative works
AU1732497A (en) * 1996-02-21 1997-09-10 Card Call Service Co., Ltd. Communication method using common key
JP3540511B2 (ja) * 1996-06-18 2004-07-07 株式会社東芝 電子署名検証装置
US5958051A (en) 1996-11-27 1999-09-28 Sun Microsystems, Inc. Implementing digital signatures for data streams and data archives
GB2327831B (en) * 1997-07-23 2002-10-09 Chantilley Corp Ltd Document or message security arrangements
WO2000077677A2 (en) * 1999-06-15 2000-12-21 Koninklijke Philips Electronics N.V. Invisible encoding of attribute data in character based documents and files
EP1081888B1 (de) * 1999-08-31 2005-12-21 Matsushita Electric Industrial Co., Ltd. Verschlüsselungsverfahren und -Vorrichtung, Entschlüsselungsverfahren und -Vorrichtung
DE60025901T2 (de) * 2000-01-11 2006-08-24 International Business Machines Corp. Verfahren und Vorrichtung zur Markierung eines Textdokuments mit einem Muster von zusätzlichen Leerstellen zum Zweck der Authentifizierung

Also Published As

Publication number Publication date
EP1396142B1 (de) 2005-04-13
US20040153452A1 (en) 2004-08-05
EP1396142B8 (de) 2005-06-08
CN1323365C (zh) 2007-06-27
EP1396142A2 (de) 2004-03-10
DE60203711T2 (de) 2006-03-02
WO2002101522A3 (en) 2003-10-30
CN1520679A (zh) 2004-08-11
US7117367B2 (en) 2006-10-03
AU2002328819A1 (en) 2002-12-23
DE60203711D1 (de) 2005-05-19
WO2002101522A2 (en) 2002-12-19

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