WO1997016898A3 - Verfahren zum erstellen eines informationsverteilungssystems für beliebig viele geschlossene nutzergruppen mit hilfe einer physikalischen einheit - Google Patents
Verfahren zum erstellen eines informationsverteilungssystems für beliebig viele geschlossene nutzergruppen mit hilfe einer physikalischen einheit Download PDFInfo
- Publication number
- WO1997016898A3 WO1997016898A3 PCT/DE1996/002059 DE9602059W WO9716898A3 WO 1997016898 A3 WO1997016898 A3 WO 1997016898A3 DE 9602059 W DE9602059 W DE 9602059W WO 9716898 A3 WO9716898 A3 WO 9716898A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- memory
- user groups
- code
- information
- unit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
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- 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]
- G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1408—Protection against unauthorised use of memory or access to memory by using cryptography
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
- G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Technology Law (AREA)
- Computing Systems (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Storage Device Security (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19540930.2 | 1995-11-03 | ||
DE19540930A DE19540930C1 (de) | 1995-11-03 | 1995-11-03 | Verfahren zum Erstellen eines Informationsverteilungssystems für beliebig viele geschlossene Nutzergruppen mit Hilfe einer physikalischen Einheit |
Publications (3)
Publication Number | Publication Date |
---|---|
WO1997016898A2 WO1997016898A2 (de) | 1997-05-09 |
WO1997016898A9 WO1997016898A9 (de) | 1997-06-26 |
WO1997016898A3 true WO1997016898A3 (de) | 1997-08-21 |
Family
ID=7776493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1996/002059 WO1997016898A2 (de) | 1995-11-03 | 1996-10-25 | Verfahren zum erstellen eines informationsverteilungssystems für beliebig viele geschlossene nutzergruppen mit hilfe einer physikalischen einheit |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE19540930C1 (de) |
WO (1) | WO1997016898A2 (de) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0197392A2 (de) * | 1985-04-11 | 1986-10-15 | International Business Machines Corporation | Geheimübertragungssystem |
FR2600190A1 (fr) * | 1986-06-16 | 1987-12-18 | Bull Cp8 | Procede pour diversifier une cle de base et pour authentifier une cle ainsi diversifiee comme ayant ete elaboree a partir d'une cle de base predeterminee, et systeme de mise en oeuvre |
DE3841389A1 (de) * | 1987-12-31 | 1989-07-13 | Pitney Bowes Inc | Informationsuebermittlungssystem zur zuverlaessigen bestimmung der echtheit einer vielzahl von dokumenten |
EP0343805A2 (de) * | 1988-05-27 | 1989-11-29 | General Instrument Corporation Of Delaware | Reproduktion von geschützten Schlüsseln durch Erzeugungsdaten von verteilten Schlüsseln |
EP0460538A2 (de) * | 1990-06-01 | 1991-12-11 | Kabushiki Kaisha Toshiba | Geheimübertragungsverfahren und Geheimübertragungseinrichtung |
WO1995028784A1 (en) * | 1994-04-15 | 1995-10-26 | Northern Telecom Limited | Computer network cryptographic key distribution system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969188A (en) * | 1987-02-17 | 1990-11-06 | Gretag Aktiengesellschaft | Process and apparatus for the protection of secret elements in a network of encrypting devices with open key management |
US4853961A (en) * | 1987-12-18 | 1989-08-01 | Pitney Bowes Inc. | Reliable document authentication system |
US5144664A (en) * | 1990-11-16 | 1992-09-01 | General Instrument Corporation | Apparatus and method for upgrading terminals to maintain a secure communication network |
US5150407A (en) * | 1991-12-16 | 1992-09-22 | Chan Steve S C | Secured data storage devices |
IL103062A (en) * | 1992-09-04 | 1996-08-04 | Algorithmic Res Ltd | Data processor security system |
US5416840A (en) * | 1993-07-06 | 1995-05-16 | Phoenix Technologies, Ltd. | Software catalog encoding method and system |
US5400403A (en) * | 1993-08-16 | 1995-03-21 | Rsa Data Security, Inc. | Abuse-resistant object distribution system and method |
US5386471A (en) * | 1994-01-25 | 1995-01-31 | Hughes Aircraft Company | Method and apparatus for securely conveying network control data across a cryptographic boundary |
-
1995
- 1995-11-03 DE DE19540930A patent/DE19540930C1/de not_active Expired - Lifetime
-
1996
- 1996-10-25 WO PCT/DE1996/002059 patent/WO1997016898A2/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0197392A2 (de) * | 1985-04-11 | 1986-10-15 | International Business Machines Corporation | Geheimübertragungssystem |
FR2600190A1 (fr) * | 1986-06-16 | 1987-12-18 | Bull Cp8 | Procede pour diversifier une cle de base et pour authentifier une cle ainsi diversifiee comme ayant ete elaboree a partir d'une cle de base predeterminee, et systeme de mise en oeuvre |
DE3841389A1 (de) * | 1987-12-31 | 1989-07-13 | Pitney Bowes Inc | Informationsuebermittlungssystem zur zuverlaessigen bestimmung der echtheit einer vielzahl von dokumenten |
EP0343805A2 (de) * | 1988-05-27 | 1989-11-29 | General Instrument Corporation Of Delaware | Reproduktion von geschützten Schlüsseln durch Erzeugungsdaten von verteilten Schlüsseln |
EP0460538A2 (de) * | 1990-06-01 | 1991-12-11 | Kabushiki Kaisha Toshiba | Geheimübertragungsverfahren und Geheimübertragungseinrichtung |
WO1995028784A1 (en) * | 1994-04-15 | 1995-10-26 | Northern Telecom Limited | Computer network cryptographic key distribution system |
Also Published As
Publication number | Publication date |
---|---|
WO1997016898A2 (de) | 1997-05-09 |
DE19540930C1 (de) | 1997-04-24 |
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