WO2000031956A3 - A method and apparatus for accessing stored digital programs - Google Patents
A method and apparatus for accessing stored digital programs Download PDFInfo
- Publication number
- WO2000031956A3 WO2000031956A3 PCT/US1999/025819 US9925819W WO0031956A3 WO 2000031956 A3 WO2000031956 A3 WO 2000031956A3 US 9925819 W US9925819 W US 9925819W WO 0031956 A3 WO0031956 A3 WO 0031956A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- keys
- key
- stored digital
- accessing stored
- digital programs
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU18116/00A AU1811600A (en) | 1998-11-25 | 1999-11-03 | A method and apparatus for accessing stored digital programs |
EP99961566A EP1133866A4 (en) | 1998-11-25 | 1999-11-03 | A method and apparatus for accessing stored digital programs |
JP2000584672A JP2002531013A (en) | 1998-11-25 | 1999-11-03 | Method and apparatus for accessing recorded digital programs |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11001798P | 1998-11-25 | 1998-11-25 | |
US09/410,681 US6363149B1 (en) | 1999-10-01 | 1999-10-01 | Method and apparatus for accessing stored digital programs |
US60/110,017 | 1999-10-01 | ||
US09/410,681 | 1999-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000031956A2 WO2000031956A2 (en) | 2000-06-02 |
WO2000031956A3 true WO2000031956A3 (en) | 2000-10-19 |
Family
ID=26807624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/025819 WO2000031956A2 (en) | 1998-11-25 | 1999-11-03 | A method and apparatus for accessing stored digital programs |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1133866A4 (en) |
JP (2) | JP2002531013A (en) |
AU (1) | AU1811600A (en) |
WO (1) | WO2000031956A2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1143722B1 (en) * | 2000-04-07 | 2008-11-05 | Irdeto Access B.V. | Data scrambling and descrambling system |
DE10044386A1 (en) * | 2000-09-08 | 2002-04-04 | Scm Microsystems Gmbh | Adapter device for DVB |
KR100977969B1 (en) | 2001-08-24 | 2010-08-24 | 톰슨 라이센싱 | Methods for transmitting and receiving data in a network |
GB2397406B (en) * | 2002-07-23 | 2005-02-09 | Samsung Electronics Co Ltd | Index structure of metadata, method for providing indices of metadata, and metadata searching method and apparatus using the indices of metadata |
US7366302B2 (en) * | 2003-08-25 | 2008-04-29 | Sony Corporation | Apparatus and method for an iterative cryptographic block |
EP1676281B1 (en) * | 2003-10-14 | 2018-03-14 | Selander, Göran | Efficient management of cryptographic key generations |
EP1705906A1 (en) * | 2005-03-04 | 2006-09-27 | Nagravision S.A. | Method for processing a program grid broadcasted by a provider |
IL178488A0 (en) | 2006-10-05 | 2008-01-20 | Nds Ltd | Improved key production system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4613901A (en) * | 1983-05-27 | 1986-09-23 | M/A-Com Linkabit, Inc. | Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals |
US4700387A (en) * | 1984-07-09 | 1987-10-13 | Kabushiki Kaisha Toshiba | Broadcast system for scrambled programming signals |
US5485577A (en) * | 1994-12-16 | 1996-01-16 | General Instrument Corporation Of Delaware | Method and apparatus for incremental delivery of access rights |
US5734720A (en) * | 1994-11-29 | 1998-03-31 | Salganicoff; Marcos | System and method for providing digital communications between a head end and a set top terminal |
US6005938A (en) * | 1996-12-16 | 1999-12-21 | Scientific-Atlanta, Inc. | Preventing replay attacks on digital information distributed by network service providers |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5075845A (en) * | 1989-12-22 | 1991-12-24 | Intel Corporation | Type management and control in an object oriented memory protection mechanism |
JP3023160B2 (en) * | 1990-10-11 | 2000-03-21 | 日本放送協会 | Broadcast reception control method |
JPH0774744A (en) * | 1993-08-31 | 1995-03-17 | Univ Waseda | Information service system |
JP3394569B2 (en) * | 1993-09-07 | 2003-04-07 | 松下電器産業株式会社 | Secret data delivery device |
JPH08125651A (en) * | 1994-10-28 | 1996-05-17 | Hitachi Ltd | Signal processor |
JPH0934841A (en) * | 1995-07-21 | 1997-02-07 | Fujitsu Ltd | On-line ciphering releasing system of storage medium and its method |
JPH0993558A (en) * | 1995-09-28 | 1997-04-04 | Toshiba Corp | Plural scramble system broadcast system and decoder |
JPH103256A (en) * | 1995-10-16 | 1998-01-06 | Sony Corp | Ciphering method and device therefor, recording method, decoding method and device therefor and recording medium |
WO1997016924A1 (en) * | 1995-10-31 | 1997-05-09 | Philips Electronics N.V. | Time-shifted conditional access |
JPH1041933A (en) * | 1996-07-22 | 1998-02-13 | Fuji Xerox Co Ltd | Decoder |
JPH10191302A (en) * | 1996-12-27 | 1998-07-21 | Matsushita Electric Ind Co Ltd | Digital satellite broadcast receiver |
US6178242B1 (en) * | 1997-02-07 | 2001-01-23 | Nds Limited | Digital recording protection system |
JP3659791B2 (en) * | 1998-03-23 | 2005-06-15 | 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 | Method and system for generating a small time key |
-
1999
- 1999-11-03 AU AU18116/00A patent/AU1811600A/en not_active Abandoned
- 1999-11-03 EP EP99961566A patent/EP1133866A4/en not_active Ceased
- 1999-11-03 WO PCT/US1999/025819 patent/WO2000031956A2/en active Application Filing
- 1999-11-03 JP JP2000584672A patent/JP2002531013A/en active Pending
-
2010
- 2010-06-14 JP JP2010134832A patent/JP5457280B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4613901A (en) * | 1983-05-27 | 1986-09-23 | M/A-Com Linkabit, Inc. | Signal encryption and distribution system for controlling scrambling and selective remote descrambling of television signals |
US4700387A (en) * | 1984-07-09 | 1987-10-13 | Kabushiki Kaisha Toshiba | Broadcast system for scrambled programming signals |
US5734720A (en) * | 1994-11-29 | 1998-03-31 | Salganicoff; Marcos | System and method for providing digital communications between a head end and a set top terminal |
US5485577A (en) * | 1994-12-16 | 1996-01-16 | General Instrument Corporation Of Delaware | Method and apparatus for incremental delivery of access rights |
US6005938A (en) * | 1996-12-16 | 1999-12-21 | Scientific-Atlanta, Inc. | Preventing replay attacks on digital information distributed by network service providers |
Non-Patent Citations (1)
Title |
---|
SCHNEIER B: "APPLIED CRYPTOGRAPHY", APPLIED CRYPTOGRAPHY, XX, XX, 1 October 1995 (1995-10-01), XX, pages 52/53, XP002928116 * |
Also Published As
Publication number | Publication date |
---|---|
EP1133866A4 (en) | 2009-03-11 |
AU1811600A (en) | 2000-06-13 |
JP2010257475A (en) | 2010-11-11 |
JP5457280B2 (en) | 2014-04-02 |
WO2000031956A2 (en) | 2000-06-02 |
JP2002531013A (en) | 2002-09-17 |
EP1133866A2 (en) | 2001-09-19 |
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