DE3751047D1 - Softwareschutzsystem einschliesslich eines Einschlüsselkryptosystems, eines auf Hardware beruhenden Genehmigungssystems und eines geschützten Zusatzprozessors. - Google Patents

Softwareschutzsystem einschliesslich eines Einschlüsselkryptosystems, eines auf Hardware beruhenden Genehmigungssystems und eines geschützten Zusatzprozessors.

Info

Publication number
DE3751047D1
DE3751047D1 DE3751047T DE3751047T DE3751047D1 DE 3751047 D1 DE3751047 D1 DE 3751047D1 DE 3751047 T DE3751047 T DE 3751047T DE 3751047 T DE3751047 T DE 3751047T DE 3751047 D1 DE3751047 D1 DE 3751047D1
Authority
DE
Germany
Prior art keywords
hardware
additional processor
software protection
based authorization
key crypto
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.)
Expired - Fee Related
Application number
DE3751047T
Other languages
English (en)
Other versions
DE3751047T2 (de
Inventor
Ashileshwari Narain Chandra
Liam David Comerford
Steve Richard White
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Priority claimed from US06/927,629 external-priority patent/US4817140A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3751047D1 publication Critical patent/DE3751047D1/de
Application granted granted Critical
Publication of DE3751047T2 publication Critical patent/DE3751047T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G06F21/123—Restricting unauthorised execution of programs by using dedicated hardware, e.g. dongles, smart cards, cryptographic processors, global positioning systems [GPS] devices
    • 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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/109—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by using specially-adapted hardware at the client
DE3751047T 1986-11-05 1987-11-03 Softwareschutzsystem einschliesslich eines Einschlüsselkryptosystems, eines auf Hardware beruhenden Genehmigungssystems und eines geschützten Zusatzprozessors. Expired - Fee Related DE3751047T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92729986A 1986-11-05 1986-11-05
US06/927,629 US4817140A (en) 1986-11-05 1986-11-05 Software protection system using a single-key cryptosystem, a hardware-based authorization system and a secure coprocessor

Publications (2)

Publication Number Publication Date
DE3751047D1 true DE3751047D1 (de) 1995-03-23
DE3751047T2 DE3751047T2 (de) 1995-08-10

Family

ID=27129941

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751047T Expired - Fee Related DE3751047T2 (de) 1986-11-05 1987-11-03 Softwareschutzsystem einschliesslich eines Einschlüsselkryptosystems, eines auf Hardware beruhenden Genehmigungssystems und eines geschützten Zusatzprozessors.

Country Status (2)

Country Link
EP (1) EP0266748B1 (de)
DE (1) DE3751047T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649813B1 (fr) * 1989-07-17 1996-12-27 Vernois Goulven Memoire monolithique perfectionnee
US5033084A (en) * 1990-04-02 1991-07-16 Data I/O Corporation Method and apparatus for protection of software in an electronic system
GB9017683D0 (en) * 1990-08-13 1990-09-26 Marconi Gec Ltd Data security system
US5222134A (en) * 1990-11-07 1993-06-22 Tau Systems Corporation Secure system for activating personal computer software at remote locations
NL9101594A (nl) * 1991-09-20 1993-04-16 Tres Automatisering B V Computer-systeem met beveiliging.
EP0548928A3 (en) * 1991-12-25 1993-11-24 Canon Kk Portable computer
US5341429A (en) * 1992-12-04 1994-08-23 Testdrive Corporation Transformation of ephemeral material
DE4420967C2 (de) * 1994-06-16 2000-02-10 Esd Vermoegensverwaltungsgesel Entschlüsselungseinrichtung von digitalen Informationen und Verfahren zur Durchführung der Ver- und Entschlüsselung dieser mit Hilfe der Entschlüsselungseinrichtung
NO302388B1 (no) 1995-07-13 1998-02-23 Sigurd Sigbjoernsen Fremgangsmåte og anordning for å beskytte programvare mot bruk uten tillatelse
FR2742892B1 (fr) * 1995-12-21 1998-02-13 Bull Sa Systeme de protection de logiciel pour ordinateur ecrit en langage interprete
WO1997025675A1 (en) * 1996-01-10 1997-07-17 John Philip Griffits A secure pay-as-you-use system for computer software
EP0880840A4 (de) * 1996-01-11 2002-10-23 Mrj Inc Vorrichtung zur steuerung des zugriffs und der verteilung von digitalem eigentum
US5841869A (en) * 1996-08-23 1998-11-24 Cheyenne Property Trust Method and apparatus for trusted processing
US6442276B1 (en) 1997-07-21 2002-08-27 Assure Systems, Inc. Verification of authenticity of goods by use of random numbers
US6681214B1 (en) 1999-06-29 2004-01-20 Assure Systems, Inc. Secure system for printing authenticating digital signatures
US20020092015A1 (en) 2000-05-26 2002-07-11 Sprunk Eric J. Access control processor
GB0030154D0 (en) * 2000-12-11 2001-01-24 En Squared Ltd Improvements relating to public-key encryption
GB0103119D0 (en) * 2001-02-08 2001-03-28 Comodo Technology Dev Ltd Improvements in and relating to software modification
US7047223B2 (en) * 2001-06-29 2006-05-16 Hewlett-Packard Development Company, L.P. Clear text transmission security method
DE10317037A1 (de) * 2003-04-14 2004-11-04 Orga Kartensysteme Gmbh Verfahren zum Schutz von Daten gegen unberechtigte Benutzung auf einem Mobilfunkgerät
EP2400420A1 (de) * 2010-06-28 2011-12-28 Thomson Licensing Verfahren, System und sicherer Prozessor zum Ausführen einer Softwareanwendung
EP3407559A1 (de) 2017-05-26 2018-11-28 Authentic Vision GmbH System und verfahren zur verwaltung von privilegien basierend auf der authentifizierung einer nicht klonbaren sicherheitsvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149944A (en) * 1983-11-14 1985-06-19 Softnet Inc Software distribution
US4599489A (en) * 1984-02-22 1986-07-08 Gordian Systems, Inc. Solid state key for controlling access to computer software
US4644493A (en) * 1984-09-14 1987-02-17 International Business Machines Corporation Implementing a shared higher level of privilege on personal computers for copy protection of software
CA1238427A (en) * 1984-12-18 1988-06-21 Jonathan Oseas Code protection using cryptography

Also Published As

Publication number Publication date
EP0266748B1 (de) 1995-02-08
EP0266748A2 (de) 1988-05-11
DE3751047T2 (de) 1995-08-10
EP0266748A3 (de) 1991-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee