ATE241239T1 - Rückgewinnung eines angegriffenen wurzel- schlüssels - Google Patents

Rückgewinnung eines angegriffenen wurzel- schlüssels

Info

Publication number
ATE241239T1
ATE241239T1 AT96941986T AT96941986T ATE241239T1 AT E241239 T1 ATE241239 T1 AT E241239T1 AT 96941986 T AT96941986 T AT 96941986T AT 96941986 T AT96941986 T AT 96941986T AT E241239 T1 ATE241239 T1 AT E241239T1
Authority
AT
Austria
Prior art keywords
key
root key
attacked
recovery
root
Prior art date
Application number
AT96941986T
Other languages
English (en)
Inventor
Jeffrey F Spelman
Matthew W Thomlinson
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE241239T1 publication Critical patent/ATE241239T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Details Of Television Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
AT96941986T 1995-11-14 1996-11-14 Rückgewinnung eines angegriffenen wurzel- schlüssels ATE241239T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/555,697 US5680458A (en) 1995-11-14 1995-11-14 Root key compromise recovery
PCT/US1996/018037 WO1997018655A1 (en) 1995-11-14 1996-11-14 Root key compromise recovery

Publications (1)

Publication Number Publication Date
ATE241239T1 true ATE241239T1 (de) 2003-06-15

Family

ID=24218270

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96941986T ATE241239T1 (de) 1995-11-14 1996-11-14 Rückgewinnung eines angegriffenen wurzel- schlüssels

Country Status (8)

Country Link
US (1) US5680458A (de)
EP (1) EP0861541B1 (de)
JP (1) JP3674869B2 (de)
AT (1) ATE241239T1 (de)
AU (1) AU707639B2 (de)
CA (1) CA2230630C (de)
DE (1) DE69628321T2 (de)
WO (1) WO1997018655A1 (de)

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US8548166B2 (en) 1995-04-03 2013-10-01 Anthony J. Wasilewski Method for partially encrypting program data
US6937729B2 (en) 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US7224798B2 (en) 1995-04-03 2007-05-29 Scientific-Atlanta, Inc. Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system
US5761306A (en) * 1996-02-22 1998-06-02 Visa International Service Association Key replacement in a public key cryptosystem
US6381741B1 (en) 1998-05-18 2002-04-30 Liberate Technologies Secure data downloading, recovery and upgrading
US5991799A (en) 1996-12-20 1999-11-23 Liberate Technologies Information retrieval system using an internet multiplexer to focus user selection
US6604242B1 (en) 1998-05-18 2003-08-05 Liberate Technologies Combining television broadcast and personalized/interactive information
CA2289452C (en) * 1997-05-09 2008-07-29 Connotech Experts-Conseils Inc. Initial secret key establishment including facilities for verification of identity
US7631188B2 (en) * 1997-05-16 2009-12-08 Tvworks, Llc Hierarchical open security information delegation and acquisition
US6513116B1 (en) * 1997-05-16 2003-01-28 Liberate Technologies Security information acquisition
US6400371B1 (en) 1997-05-16 2002-06-04 Liberate Technologies Television signal chrominance adjustment
US7515712B2 (en) 1997-08-01 2009-04-07 Cisco Technology, Inc. Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system
DE69802288T2 (de) * 1997-08-01 2002-06-27 Scientific-Atlanta, Inc. Autorisierung von diensten in einem system mit bedingtem zugriff
IL121551A (en) * 1997-08-14 2003-04-10 Diversinet Corp System and method for reliable key transfer
NL1008044C2 (nl) * 1998-01-16 1999-07-19 Koninkl Kpn Nv Sleutelbeheersysteem.
US6577351B1 (en) 1998-05-18 2003-06-10 Liberate Technologies Anti-aliasing television signals for display
WO2000045539A1 (en) * 1999-01-29 2000-08-03 General Instrument Corporation Key management for telephone calls to protect signaling and call packets between cta's
US6937726B1 (en) * 1999-04-06 2005-08-30 Contentguard Holdings, Inc. System and method for protecting data files by periodically refreshing a decryption key
IL129725A (en) * 1999-05-02 2011-06-30 Nds Ltd Watermark system
WO2000077974A1 (en) 1999-06-11 2000-12-21 Liberate Technologies Hierarchical open security information delegation and acquisition
US7571315B1 (en) * 1999-09-16 2009-08-04 Intel Corporation Method and apparatus to assign trust to a key
US8434113B1 (en) 1999-10-06 2013-04-30 Tvworks, Llc Electronic commerce using streaming media
US6961855B1 (en) 1999-12-16 2005-11-01 International Business Machines Corporation Notification of modifications to a trusted computing base
FI112418B (fi) 2000-02-01 2003-11-28 Nokia Corp Menetelmä datan eheyden tarkastamiseksi, järjestelmä ja matkaviestin
US7441014B1 (en) 2000-02-09 2008-10-21 Tvworks, Llc Broadcast distribution using low-level objects and locator tables
EP1143658A1 (de) * 2000-04-03 2001-10-10 Canal+ Technologies Société Anonyme Authentifizierung von in einem digitalen Übertragungssystem übertragenen Daten
US6854059B2 (en) * 2000-06-07 2005-02-08 Conexant Systems, Inc. Method and apparatus for medium access control in powerline communication network systems
US7412524B1 (en) 2000-07-27 2008-08-12 International Business Machines Corporation Method and system for authentication when certification authority public and private keys expire
US7870599B2 (en) 2000-09-05 2011-01-11 Netlabs.Com, Inc. Multichannel device utilizing a centralized out-of-band authentication system (COBAS)
JP3629516B2 (ja) * 2000-11-02 2005-03-16 インターナショナル・ビジネス・マシーンズ・コーポレーション プロキシサーバ、電子署名システム、電子署名検証システム、ネットワークシステム、電子署名方法、電子署名検証方法及び記憶媒体
US20020106085A1 (en) * 2001-01-05 2002-08-08 Sandeep Jain Security breach management
US7383432B1 (en) * 2001-07-09 2008-06-03 Advanced Micro Devices, Inc. Software modem with hidden authentication commands
US7463739B2 (en) * 2001-08-02 2008-12-09 Safenet, Inc. Method and system providing improved security for the transfer of root keys
JP2005503714A (ja) * 2001-09-19 2005-02-03 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 新しい暗号化キーのためのフィンガープリント、制御信号
EP1391853A1 (de) * 2001-11-30 2004-02-25 STMicroelectronics S.A. Diversifikation der Kennzahl einer integrierten Schaltung
EP1359550A1 (de) * 2001-11-30 2003-11-05 STMicroelectronics S.A. Wiederherstellung einer Geheimzahl mittels der Kennzahl einer integrierten Schaltung
US7305556B2 (en) * 2001-12-05 2007-12-04 Canon Kabushiki Kaisha Secure printing with authenticated printer key
US7085386B2 (en) * 2001-12-07 2006-08-01 Activcard System and method for secure replacement of high level cryptographic keys in a personal security device
US7116447B2 (en) * 2002-05-24 2006-10-03 Eastman Kodak Company Halftone dot-growth technique using a dot edge-detection scheme
US7111322B2 (en) * 2002-12-05 2006-09-19 Canon Kabushiki Kaisha Automatic generation of a new encryption key
ATE444617T1 (de) 2003-01-07 2009-10-15 Qualcomm Inc System, vorrichtung und verfahren zum auswechseln eines kryptographischen schlüssels
JP4504130B2 (ja) * 2003-07-25 2010-07-14 株式会社リコー 通信装置、通信システム、証明書送信方法及びプログラム
JP4537797B2 (ja) * 2003-09-22 2010-09-08 株式会社リコー 通信装置、通信システム、通信装置の制御方法及びプログラム
US8396216B2 (en) 2003-11-21 2013-03-12 Howard G. Pinder Partial dual-encryption using program map tables
US7421079B2 (en) * 2003-12-09 2008-09-02 Northrop Grumman Corporation Method and apparatus for secure key replacement
US20050238174A1 (en) * 2004-04-22 2005-10-27 Motorola, Inc. Method and system for secure communications over a public network
US8214649B2 (en) * 2004-06-30 2012-07-03 Nokia Corporation System and method for secure communications between at least one user device and a network entity
CA2511366A1 (en) * 2005-06-30 2005-10-16 Thierry Moreau Trust anchor key cryptogram and cryptoperiod management method
US7676234B2 (en) * 2005-11-23 2010-03-09 Research In Motion Limited Routing of a short message originated by a mobile device
US20070117539A1 (en) * 2005-11-23 2007-05-24 Research In Motion Limited Notification of a received message in a wireless mobile communication device based upon authentication
US8989390B2 (en) * 2005-12-12 2015-03-24 Qualcomm Incorporated Certify and split system and method for replacing cryptographic keys
US7499552B2 (en) * 2006-01-11 2009-03-03 International Business Machines Corporation Cipher method and system for verifying a decryption of an encrypted user data key
JP4449935B2 (ja) * 2006-03-31 2010-04-14 ブラザー工業株式会社 通信システム、印刷装置、及び、プログラム
JP4809433B2 (ja) * 2006-06-19 2011-11-09 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、移動通信方法、配信サーバ、無線回線制御局及び移動局
JP2008109422A (ja) * 2006-10-26 2008-05-08 Mitsubishi Electric Corp データ処理システムおよびデータ処理方法
US20100266129A1 (en) * 2007-11-09 2010-10-21 Icon Corp. Key management device and information transmission system using the same
US8989383B2 (en) * 2009-01-05 2015-03-24 Imation Corp. Data authentication using plural electronic keys
US8995667B2 (en) * 2013-02-21 2015-03-31 Telefonaktiebolaget L M Ericsson (Publ) Mechanism for co-ordinated authentication key transition for IS-IS protocol
US10003463B2 (en) * 2015-10-16 2018-06-19 Dell Products L.P. Systems and methods for revoking and replacing signing keys

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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
US5469507A (en) * 1994-03-01 1995-11-21 International Business Machines Corporation Secure communication and computation in an insecure environment

Also Published As

Publication number Publication date
WO1997018655A1 (en) 1997-05-22
DE69628321D1 (de) 2003-06-26
JP2001507528A (ja) 2001-06-05
AU707639B2 (en) 1999-07-15
EP0861541B1 (de) 2003-05-21
DE69628321T2 (de) 2004-04-29
CA2230630A1 (en) 1997-05-22
EP0861541A1 (de) 1998-09-02
CA2230630C (en) 2004-05-25
AU1118597A (en) 1997-06-05
EP0861541A4 (de) 1999-11-24
JP3674869B2 (ja) 2005-07-27
US5680458A (en) 1997-10-21

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