WO2005004457A3 - A partial dual-encrypted stream utilizing program map tables - Google Patents
A partial dual-encrypted stream utilizing program map tables Download PDFInfo
- Publication number
- WO2005004457A3 WO2005004457A3 PCT/US2004/019322 US2004019322W WO2005004457A3 WO 2005004457 A3 WO2005004457 A3 WO 2005004457A3 US 2004019322 W US2004019322 W US 2004019322W WO 2005004457 A3 WO2005004457 A3 WO 2005004457A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- encrypted stream
- partial dual
- encrypted
- program map
- stream
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 abstract 1
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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- 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
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
-
- 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
- H04N21/21—Server components or server architectures
- H04N21/226—Characteristics of the server or Internal components of the server
- H04N21/2265—Server identification by a unique number or address, e.g. serial number
-
- 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
- H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
-
- 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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
-
- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
- H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
- H04N21/23897—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption by partially encrypting, e.g. encrypting only the ending portion of a movie
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43607—Interfacing a plurality of external cards, e.g. through a DVB Common Interface [DVB-CI]
-
- 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
- H04N21/4405—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 decryption
-
- 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
- H04N21/4405—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 decryption
- H04N21/44055—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 decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4524—Management of client data or end-user data involving the geographical location of the client
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17345—Control of the passage of the selected programme
- H04N7/17354—Control of the passage of the selected programme in an intermediate station common to a plurality of user terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0073—Services, e.g. multimedia, GOS, QOS
- H04J2203/008—Support of video
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04755475.3A EP1642459B1 (en) | 2003-06-25 | 2004-06-18 | A partial dual-encrypted stream utilizing program map tables |
CA2530276A CA2530276C (en) | 2003-06-25 | 2004-06-18 | A partial dual-encrypted stream utilizing program map tables |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/602,986 US8548166B2 (en) | 1995-04-03 | 2003-06-25 | Method for partially encrypting program data |
US10/602,986 | 2003-06-25 | ||
US10/629,839 | 2003-07-30 | ||
US10/629,839 US7224798B2 (en) | 1995-04-03 | 2003-07-30 | Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system |
US10/719,161 | 2003-11-21 | ||
US10/719,161 US20040136532A1 (en) | 1995-04-03 | 2003-11-21 | Partial dual-encrypted stream utilizing program map tables |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005004457A2 WO2005004457A2 (en) | 2005-01-13 |
WO2005004457A3 true WO2005004457A3 (en) | 2005-04-14 |
Family
ID=33568640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/019322 WO2005004457A2 (en) | 2003-06-25 | 2004-06-18 | A partial dual-encrypted stream utilizing program map tables |
Country Status (4)
Country | Link |
---|---|
US (2) | US20040136532A1 (en) |
EP (1) | EP1642459B1 (en) |
CA (1) | CA2530276C (en) |
WO (1) | WO2005004457A2 (en) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6937729B2 (en) * | 1995-04-03 | 2005-08-30 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
US8548166B2 (en) * | 1995-04-03 | 2013-10-01 | Anthony J. Wasilewski | Method for partially encrypting program data |
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 |
US7515712B2 (en) * | 1997-08-01 | 2009-04-07 | Cisco Technology, Inc. | Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system |
US7730300B2 (en) | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
US7565546B2 (en) * | 1999-03-30 | 2009-07-21 | Sony Corporation | System, method and apparatus for secure digital content transmission |
US7039614B1 (en) | 1999-11-09 | 2006-05-02 | Sony Corporation | Method for simulcrypting scrambled data to a plurality of conditional access devices |
US8225414B2 (en) * | 2000-08-28 | 2012-07-17 | Contentguard Holdings, Inc. | Method and apparatus for identifying installed software and regulating access to content |
US7747853B2 (en) * | 2001-06-06 | 2010-06-29 | Sony Corporation | IP delivery of secure digital content |
US7151831B2 (en) * | 2001-06-06 | 2006-12-19 | Sony Corporation | Partial encryption and PID mapping |
US7895616B2 (en) | 2001-06-06 | 2011-02-22 | Sony Corporation | Reconstitution of program streams split across multiple packet identifiers |
US8051443B2 (en) * | 2002-01-02 | 2011-11-01 | Sony Corporation | Content replacement by PID mapping |
US7292690B2 (en) * | 2002-01-02 | 2007-11-06 | Sony Corporation | Video scene change detection |
US7823174B2 (en) | 2002-01-02 | 2010-10-26 | Sony Corporation | Macro-block based content replacement by PID mapping |
US7376233B2 (en) * | 2002-01-02 | 2008-05-20 | Sony Corporation | Video slice and active region based multiple partial encryption |
US8027470B2 (en) * | 2002-01-02 | 2011-09-27 | Sony Corporation | Video slice and active region based multiple partial encryption |
US7155012B2 (en) * | 2002-01-02 | 2006-12-26 | Sony Corporation | Slice mask and moat pattern partial encryption |
US7215770B2 (en) | 2002-01-02 | 2007-05-08 | Sony Corporation | System and method for partially encrypted multimedia stream |
US7765567B2 (en) | 2002-01-02 | 2010-07-27 | Sony Corporation | Content replacement by PID mapping |
US8818896B2 (en) | 2002-09-09 | 2014-08-26 | Sony Corporation | Selective encryption with coverage encryption |
US7724907B2 (en) | 2002-11-05 | 2010-05-25 | Sony Corporation | Mechanism for protecting the transfer of digital content |
US8572408B2 (en) | 2002-11-05 | 2013-10-29 | Sony Corporation | Digital rights management of a digital device |
US7292692B2 (en) * | 2003-03-25 | 2007-11-06 | Sony Corporation | Content scrambling with minimal impact on legacy devices |
US7286667B1 (en) | 2003-09-15 | 2007-10-23 | Sony Corporation | Decryption system |
US7853980B2 (en) | 2003-10-31 | 2010-12-14 | Sony Corporation | Bi-directional indices for trick mode video-on-demand |
US8396216B2 (en) | 2003-11-21 | 2013-03-12 | Howard G. Pinder | Partial dual-encryption using program map tables |
US20060018627A1 (en) * | 2004-07-20 | 2006-01-26 | Canon Kabushiki Kaisha | Image reproducing apparatus and image reproducing method |
JP2006140625A (en) * | 2004-11-10 | 2006-06-01 | Toshiba Corp | Information processor |
US7895617B2 (en) | 2004-12-15 | 2011-02-22 | Sony Corporation | Content substitution editor |
US8041190B2 (en) | 2004-12-15 | 2011-10-18 | Sony Corporation | System and method for the creation, synchronization and delivery of alternate content |
US8345677B2 (en) * | 2005-05-12 | 2013-01-01 | Brian Crookes | Digital program mapping |
US8144868B2 (en) * | 2005-05-25 | 2012-03-27 | Zenith Electronics Llc | Encryption/decryption of program data but not PSI data |
US8189786B2 (en) | 2005-05-25 | 2012-05-29 | Zenith Electronics Llc | Encryption system |
JP4596256B2 (en) * | 2005-08-02 | 2010-12-08 | ソニー株式会社 | Transmission / reception system and method, transmission device and method, reception device and method, and program |
US8139768B2 (en) * | 2006-01-19 | 2012-03-20 | Microsoft Corporation | Encrypting content in a tuner device and analyzing content protection policy |
US8185921B2 (en) | 2006-02-28 | 2012-05-22 | Sony Corporation | Parental control of displayed content using closed captioning |
US7555464B2 (en) * | 2006-03-01 | 2009-06-30 | Sony Corporation | Multiple DRM management |
US7796598B2 (en) * | 2006-04-03 | 2010-09-14 | Cisco Technology, Inc. | Synchronizing redundant video streams encapsulated in IP/UDP packets |
US7983417B2 (en) | 2006-05-15 | 2011-07-19 | Buchen Neil B | System and method for dynamically allocating stream identifiers in a multi-encryption transport system |
US8275132B2 (en) * | 2006-05-15 | 2012-09-25 | Buchen Neil B | System and method for dynamically allocating stream identifiers in a multi-encryption transport system |
GB2485142A (en) * | 2010-10-27 | 2012-05-09 | Nds Ltd | Secure broadcast/multicast of media content |
US9066117B2 (en) * | 2012-02-08 | 2015-06-23 | Vixs Systems, Inc | Container agnostic encryption device and methods for use therewith |
US9697630B2 (en) | 2014-10-01 | 2017-07-04 | Sony Corporation | Sign language window using picture-in-picture |
TWI749002B (en) * | 2017-03-24 | 2021-12-11 | 圓剛科技股份有限公司 | Multimedia data transmission method and multimedia data transmission system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030026423A1 (en) * | 2001-06-06 | 2003-02-06 | Unger Robert Allan | Critical packet partial encryption |
Family Cites Families (96)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US33189A (en) * | 1861-09-03 | Improvement in bee-hives | ||
US33808A (en) * | 1861-11-26 | Improved machine for | ||
US5870474A (en) * | 1995-12-04 | 1999-02-09 | Scientific-Atlanta, Inc. | Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers |
US5742677A (en) * | 1995-04-03 | 1998-04-21 | Scientific-Atlanta, Inc. | Information terminal having reconfigurable memory |
US4155042A (en) * | 1977-10-31 | 1979-05-15 | Permut Alan R | Disaster alert system |
US4405829A (en) * | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
US4358672A (en) * | 1980-05-16 | 1982-11-09 | The Telemine Company, Inc. | Pay per view television control device |
USRE33808E (en) | 1980-10-21 | 1992-01-28 | Information Resources, Inc. | Cable television with multi-event signal substitution |
US4388643A (en) * | 1981-04-06 | 1983-06-14 | Northern Telecom Limited | Method of controlling scrambling and unscrambling in a pay TV system |
USRE33189E (en) | 1981-11-19 | 1990-03-27 | Communications Satellite Corporation | Security system for SSTV encryption |
US4531020A (en) * | 1982-07-23 | 1985-07-23 | Oak Industries Inc. | Multi-layer encryption system for the broadcast of encrypted information |
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 |
EP0148235B1 (en) * | 1983-06-30 | 1988-10-05 | Independent Broadcasting Authority | Encrypted broadcast television system |
US4658093A (en) * | 1983-07-11 | 1987-04-14 | Hellman Martin E | Software distribution system |
US4600921A (en) * | 1983-10-19 | 1986-07-15 | Zenith Radio Corporation | Full-field teletext system with dynamic addressability |
US4649533A (en) * | 1983-10-25 | 1987-03-10 | Keycom Electronic Publishing | Method and apparatus for retrieving remotely located information |
US4712238A (en) * | 1984-06-08 | 1987-12-08 | M/A-Com Government Systems, Inc. | Selective-subscription descrambling |
GB2163577B (en) * | 1984-08-23 | 1988-01-13 | Nat Res Dev | Software protection device |
US4887296A (en) * | 1984-10-26 | 1989-12-12 | Ricoh Co., Ltd. | Cryptographic system for direct broadcast satellite system |
US5036537A (en) * | 1984-11-19 | 1991-07-30 | General Instrument Corp. | Geographic black-out method for direct broadcast satellite system |
US4982430A (en) * | 1985-04-24 | 1991-01-01 | General Instrument Corporation | Bootstrap channel security arrangement for communication network |
US4885777A (en) * | 1985-09-04 | 1989-12-05 | Hitachi, Ltd. | Electronic transaction system |
US5018196A (en) * | 1985-09-04 | 1991-05-21 | Hitachi, Ltd. | Method for electronic transaction with digital signature |
US4712239A (en) * | 1986-06-16 | 1987-12-08 | General Instrument Corporation | Security arrangement for downloadable cable television converters |
US4866770A (en) * | 1986-07-08 | 1989-09-12 | Scientific Atlanta, Inc. | Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system |
DE3642629A1 (en) * | 1986-12-13 | 1988-06-23 | Grundig Emv | SYSTEM FOR PROCESSING ENCRYPTED TRANSFER INFORMATION |
EP0287720B1 (en) * | 1987-04-22 | 1992-01-08 | International Business Machines Corporation | Management of cryptographic keys |
US4864615A (en) * | 1988-05-27 | 1989-09-05 | General Instrument Corporation | Reproduction of secure keys by using distributed key generation data |
US5175765A (en) * | 1989-05-09 | 1992-12-29 | Digital Equipment Corporation | Robust data broadcast over a distributed network with malicious failures |
US5151782A (en) * | 1989-05-17 | 1992-09-29 | Reiss Media Enterprises | Control system for satellite delivered pay-per-view television system |
US5003591A (en) * | 1989-05-25 | 1991-03-26 | General Instrument Corporation | Functionally modifiable cable television converter system |
JP2606419B2 (en) * | 1989-08-07 | 1997-05-07 | 松下電器産業株式会社 | Cryptographic communication system and cryptographic communication method |
US5155591A (en) * | 1989-10-23 | 1992-10-13 | General Instrument Corporation | Method and apparatus for providing demographically targeted television commercials |
US5282249A (en) * | 1989-11-14 | 1994-01-25 | Michael Cohen | System for controlling access to broadcast transmissions |
US4993068A (en) * | 1989-11-27 | 1991-02-12 | Motorola, Inc. | Unforgeable personal identification system |
US5029207A (en) * | 1990-02-01 | 1991-07-02 | Scientific-Atlanta, Inc. | External security module for a television signal decoder |
US5237610A (en) | 1990-02-01 | 1993-08-17 | Scientific-Atlanta, Inc. | Independent external security module for a digitally upgradeable television signal decoder |
US5073935A (en) * | 1990-12-17 | 1991-12-17 | Jose Pastor | Method for secure communication |
KR930005441B1 (en) * | 1991-05-03 | 1993-06-21 | 삼성전자 주식회사 | Tv receivers selection control circuit |
US5235643A (en) * | 1991-05-21 | 1993-08-10 | Anderson Steven E | Satellite receiver retuning system |
FR2680589A1 (en) * | 1991-08-19 | 1993-02-26 | France Telecom | METHOD OF TRANSMITTING AND RECEIVING CUSTOM PROGRAMS. |
US5142578A (en) * | 1991-08-22 | 1992-08-25 | International Business Machines Corporation | Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors |
US5282248A (en) * | 1991-09-20 | 1994-01-25 | Dejoy Victor P | Time limited signal conduction system |
US5231665A (en) | 1991-11-20 | 1993-07-27 | Zenith Electronics Corporation | Cable television system having dynamic market code shuffling |
US5249230A (en) * | 1991-11-21 | 1993-09-28 | Motorola, Inc. | Authentication system |
US5209123A (en) * | 1991-11-22 | 1993-05-11 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Methods of determining loads and fiber orientations in anisotropic non-crystalline materials using energy flux deviation |
US5432542A (en) * | 1992-08-31 | 1995-07-11 | Television Computer, Inc. | Television receiver location identification |
US5565909A (en) * | 1992-08-31 | 1996-10-15 | Television Computer, Inc. | Method of identifying set-top receivers |
US5402490A (en) * | 1992-09-01 | 1995-03-28 | Motorola, Inc. | Process for improving public key authentication |
US5243652A (en) * | 1992-09-30 | 1993-09-07 | Gte Laboratories Incorporated | Location-sensitive remote database access control |
US5418782A (en) * | 1992-10-30 | 1995-05-23 | Scientific-Atlanta, Inc. | Methods and apparatus for providing virtual service selection in a multi-service communications system |
US5400401A (en) * | 1992-10-30 | 1995-03-21 | Scientific Atlanta, Inc. | System and method for transmitting a plurality of digital services |
FR2698510B1 (en) * | 1992-11-26 | 1994-12-23 | Schlumberger Ind Sa | Communication network. |
US5341425A (en) * | 1992-12-02 | 1994-08-23 | Scientific Atlanta, Inc. | Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site |
US5465299A (en) * | 1992-12-03 | 1995-11-07 | Hitachi, Ltd. | Electronic document processing system and method of forming digital signature |
US5381477A (en) * | 1993-02-16 | 1995-01-10 | Scientific-Atlanta, Inc. | Method of selecting cable television converter groups |
FR2703552A1 (en) * | 1993-03-31 | 1994-10-07 | Philips Electronics Nv | Method and apparatus for scrambling and descrambling a specific television program |
US5285497A (en) * | 1993-04-01 | 1994-02-08 | Scientific Atlanta | Methods and apparatus for scrambling and unscrambling compressed data streams |
US5506904A (en) * | 1993-08-04 | 1996-04-09 | Scientific-Atlanta, Inc. | System and method for transmitting and receiving variable length authorization control for digital services |
US5381481A (en) * | 1993-08-04 | 1995-01-10 | Scientific-Atlanta, Inc. | Method and apparatus for uniquely encrypting a plurality of services at a transmission site |
IL106746A (en) * | 1993-08-19 | 1997-02-18 | News Datacom Ltd | CATV systems |
US5440633A (en) * | 1993-08-25 | 1995-08-08 | International Business Machines Corporation | Communication network access method and system |
US5499295A (en) * | 1993-08-31 | 1996-03-12 | Ericsson Inc. | Method and apparatus for feature authorization and software copy protection in RF communications devices |
US5497422A (en) * | 1993-09-30 | 1996-03-05 | Apple Computer, Inc. | Message protection mechanism and graphical user interface therefor |
US5343527A (en) * | 1993-10-27 | 1994-08-30 | International Business Machines Corporation | Hybrid encryption method and system for protecting reusable software components |
US5488410A (en) * | 1993-10-29 | 1996-01-30 | Telectronics Pacing Systems, Inc. | System and method for disk software publishers to control disk distribution |
US5481542A (en) * | 1993-11-10 | 1996-01-02 | Scientific-Atlanta, Inc. | Interactive information services control system |
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 |
US5425101A (en) * | 1993-12-03 | 1995-06-13 | Scientific-Atlanta, Inc. | System and method for simultaneously authorizing multiple virtual channels |
US5519780A (en) * | 1993-12-03 | 1996-05-21 | Scientific-Atlanta, Inc. | System and method for providing compressed digital teletext services and teletext support services |
US5787172A (en) * | 1994-02-24 | 1998-07-28 | The Merdan Group, Inc. | Apparatus and method for establishing a cryptographic link between elements of a system |
US5420866A (en) * | 1994-03-29 | 1995-05-30 | Scientific-Atlanta, Inc. | Methods for providing conditional access information to decoders in a packet-based multiplexed communications system |
US5481613A (en) * | 1994-04-15 | 1996-01-02 | Northern Telecom Limited | Computer network cryptographic key distribution system |
US5473692A (en) * | 1994-09-07 | 1995-12-05 | Intel Corporation | Roving software license for a hardware agent |
US5557678A (en) * | 1994-07-18 | 1996-09-17 | Bell Atlantic Network Services, Inc. | System and method for centralized session key distribution, privacy enhanced messaging and information distribution using a split private key public cryptosystem |
US5557765A (en) * | 1994-08-11 | 1996-09-17 | Trusted Information Systems, Inc. | System and method for data recovery |
US5740246A (en) * | 1994-12-13 | 1998-04-14 | Mitsubishi Corporation | Crypt key system |
US5550984A (en) * | 1994-12-07 | 1996-08-27 | Matsushita Electric Corporation Of America | Security system for preventing unauthorized communications between networks by translating communications received in ip protocol to non-ip protocol to remove address and routing services information |
US5590202A (en) * | 1995-01-18 | 1996-12-31 | Zenith Electronics Corporation | Countdown system for conditional access module |
US5568554A (en) * | 1995-01-31 | 1996-10-22 | Digital Equipment Corporation | Method for improving the processing and storage performance of digital signature schemes |
US5559889A (en) * | 1995-03-31 | 1996-09-24 | International Business Machines Corporation | System and methods for data encryption using public key cryptography |
US6005938A (en) * | 1996-12-16 | 1999-12-21 | Scientific-Atlanta, Inc. | Preventing replay attacks on digital information distributed by network service providers |
US6246767B1 (en) * | 1995-04-03 | 2001-06-12 | Scientific-Atlanta, Inc. | Source authentication of download information in a conditional access system |
US6108365A (en) * | 1995-05-05 | 2000-08-22 | Philip A. Rubin And Associates, Inc. | GPS data access system |
US5621793A (en) * | 1995-05-05 | 1997-04-15 | Rubin, Bednarek & Associates, Inc. | TV set top box using GPS |
US5583939A (en) * | 1995-06-01 | 1996-12-10 | Chung N. Chang | Secure, swift cryptographic key exchange |
US5671276A (en) * | 1995-07-21 | 1997-09-23 | General Instrument Corporation Of Delaware | Method and apparatus for impulse purchasing of packaged information services |
US5764770A (en) * | 1995-11-07 | 1998-06-09 | Trimble Navigation Limited | Image authentication patterning |
US5675649A (en) * | 1995-11-30 | 1997-10-07 | Electronic Data Systems Corporation | Process for cryptographic key generation and safekeeping |
US5857020A (en) * | 1995-12-04 | 1999-01-05 | Northern Telecom Ltd. | Timed availability of secured content provisioned on a storage medium |
US5862220A (en) * | 1996-06-03 | 1999-01-19 | Webtv Networks, Inc. | Method and apparatus for using network address information to improve the performance of network transactions |
US5920626A (en) * | 1996-12-20 | 1999-07-06 | Scientific-Atlanta, Inc. | Analog/digital system for television services |
WO1999007145A1 (en) * | 1997-08-01 | 1999-02-11 | Scientific-Atlanta, Inc. | Verification of the source of program of information in a conditional access system |
US6055938A (en) * | 1999-02-26 | 2000-05-02 | Ellen S. Klein | Animal grooming apparatus |
US7039614B1 (en) * | 1999-11-09 | 2006-05-02 | Sony Corporation | Method for simulcrypting scrambled data to a plurality of conditional access devices |
US7092616B2 (en) * | 2001-07-19 | 2006-08-15 | Sony Electronics Inc. | Method and apparatus for copy protecting video content and producing a reduced quality reproduction of video content for personal use |
-
2003
- 2003-11-21 US US10/719,161 patent/US20040136532A1/en not_active Abandoned
-
2004
- 2004-06-18 WO PCT/US2004/019322 patent/WO2005004457A2/en active Application Filing
- 2004-06-18 EP EP04755475.3A patent/EP1642459B1/en not_active Not-in-force
- 2004-06-18 CA CA2530276A patent/CA2530276C/en not_active Expired - Fee Related
-
2005
- 2005-12-06 US US11/275,051 patent/US7496198B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030026423A1 (en) * | 2001-06-06 | 2003-02-06 | Unger Robert Allan | Critical packet partial encryption |
Non-Patent Citations (1)
Title |
---|
See also references of EP1642459A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1642459A4 (en) | 2010-03-17 |
US7496198B2 (en) | 2009-02-24 |
CA2530276C (en) | 2012-08-07 |
EP1642459B1 (en) | 2014-06-11 |
CA2530276A1 (en) | 2005-01-13 |
US20040136532A1 (en) | 2004-07-15 |
EP1642459A2 (en) | 2006-04-05 |
US20060233369A1 (en) | 2006-10-19 |
WO2005004457A2 (en) | 2005-01-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005004457A3 (en) | A partial dual-encrypted stream utilizing program map tables | |
WO2005046205A3 (en) | Dynamic composition of pre-encrypted video on demand content | |
WO2003039094A3 (en) | Methods and apparatus for securely communicating a message | |
WO2006088596A3 (en) | Key management system for digital cinema | |
WO2006101979A3 (en) | Switching and simultaneous usage of 802.11a and 802.11g technologies for video streaming | |
WO2004012378A3 (en) | Digital content security system and method | |
MXPA03007737A (en) | Secure encryption key distribution. | |
EP1689113A3 (en) | Block cipher apparatus using auxiliary transformation | |
WO2003055174A3 (en) | Method and apparatus for building operational radio firmware using incrementally certified modules | |
ATE518324T1 (en) | WIRELESS ACCESS SYSTEM AND TRANSMISSION METHOD | |
WO2004034182A3 (en) | Efficient encryption and authentication for data processing systems | |
AU2003278411A1 (en) | Polyimide blends for gas separation membranes | |
AU2001271302A1 (en) | Encryption system that dynamically locates keys | |
AU2003261069A1 (en) | Encryption, authentication, and key management for multimedia content pre-encryption | |
WO2003009561A3 (en) | A system and method for supporting multiple certificate authorities on a mobile communication device | |
WO2008049046A3 (en) | Method for securely extending key stream to encrypt high-entropy data | |
EP1695552A4 (en) | Composite session-based encryption of video on demand content | |
WO2006114760A3 (en) | A device for and a method of processing an encrypted data stream in a cryptographic system | |
WO2006071476A3 (en) | Agnostic peripheral control for media communication appliances | |
PL1867096T3 (en) | Method and system for receiving a multimedia signal, cryptographic entity for said reception method and system, and method and black box for producing said cryptographic entity | |
AU2002357846A1 (en) | Elementary stream partial encryption | |
WO2001098367A3 (en) | Neuroactive peptides for treatment of hypoxia and related conditions | |
WO2009092894A3 (en) | Method and system for the secure distribution of audiovisual data by transactional marking | |
WO2006091528A8 (en) | System and method for three-phase data encryption | |
WO2003005635A3 (en) | Streamcipher synchronisation information wich is redundant in next packet of encrypted frame |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2530276 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004755475 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004755475 Country of ref document: EP |