WO2001017252A1 - Digital video content transmission ciphering and deciphering method and apparatus - Google Patents
Digital video content transmission ciphering and deciphering method and apparatus Download PDFInfo
- Publication number
- WO2001017252A1 WO2001017252A1 PCT/US2000/022834 US0022834W WO0117252A1 WO 2001017252 A1 WO2001017252 A1 WO 2001017252A1 US 0022834 W US0022834 W US 0022834W WO 0117252 A1 WO0117252 A1 WO 0117252A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- video
- cipher
- key
- video content
- decipher
- 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]
- H04N21/60—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
-
- 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
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
-
- 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
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/44—Program or device authentication
- G06F21/445—Program or device authentication by mutual authentication, e.g. between devices or programs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
-
- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client authentication
-
- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4143—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
-
- 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
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4627—Rights management associated to the content
-
- 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
- H04N7/167—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2103—Challenge-response
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2107—File encryption
-
- 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
- H04L2209/60—Digital content management, e.g. content distribution
-
- 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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00961342A EP1212894B1 (en) | 1999-08-29 | 2000-08-18 | Digital video content transmission ciphering and deciphering method and apparatus |
JP2001521066A JP4071496B2 (en) | 1999-08-29 | 2000-08-18 | Method and apparatus for encryption and decryption of digital video content transmission |
EP11193579.7A EP2439738B1 (en) | 1999-08-29 | 2000-08-18 | Digital video content transmission ciphering and deciphering method and apparatus |
DE60035514T DE60035514T2 (en) | 1999-08-29 | 2000-08-18 | DEVICE AND DECOMPOSITION DEVICE AND METHOD FOR DIGITAL VIDEO TRANSFER TRANSMISSION |
AU73307/00A AU7330700A (en) | 1999-08-29 | 2000-08-18 | Digital video content transmission ciphering and deciphering method and apparatus |
HK02105427.0A HK1043897B (en) | 1999-08-29 | 2002-07-23 | Digital video content transmission ciphering and deciphering method and apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/385,590 | 1999-08-29 | ||
US09/385,590 US6477252B1 (en) | 1999-08-29 | 1999-08-29 | Digital video content transmission ciphering and deciphering method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001017252A1 true WO2001017252A1 (en) | 2001-03-08 |
Family
ID=23522052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/022834 WO2001017252A1 (en) | 1999-08-29 | 2000-08-18 | Digital video content transmission ciphering and deciphering method and apparatus |
Country Status (10)
Country | Link |
---|---|
US (1) | US6477252B1 (en) |
EP (3) | EP1835739B1 (en) |
JP (1) | JP4071496B2 (en) |
KR (1) | KR100492289B1 (en) |
CN (2) | CN100388785C (en) |
AU (1) | AU7330700A (en) |
DE (1) | DE60035514T2 (en) |
HK (1) | HK1043897B (en) |
TW (1) | TW515204B (en) |
WO (1) | WO2001017252A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004017637A1 (en) * | 2002-08-13 | 2004-02-26 | Canal+ Technologies | Hard disk security |
US6731758B1 (en) | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US6931129B1 (en) | 1999-08-29 | 2005-08-16 | Intel Corporation | Method and apparatus for generating pseudo random numbers in a video device having an embedded cipher unit |
AU2002325217B2 (en) * | 2001-06-06 | 2007-03-01 | Bayer Intellectual Property Gmbh | Herbicidal agents containing benzoylpyrazoles and safeners |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7139915B2 (en) * | 1998-10-26 | 2006-11-21 | Microsoft Corporation | Method and apparatus for authenticating an open system application to a portable IC device |
US7174457B1 (en) | 1999-03-10 | 2007-02-06 | Microsoft Corporation | System and method for authenticating an operating system to a central processing unit, providing the CPU/OS with secure storage, and authenticating the CPU/OS to a third party |
US6609199B1 (en) * | 1998-10-26 | 2003-08-19 | Microsoft Corporation | Method and apparatus for authenticating an open system application to a portable IC device |
US7194092B1 (en) * | 1998-10-26 | 2007-03-20 | Microsoft Corporation | Key-based secure storage |
US6651171B1 (en) * | 1999-04-06 | 2003-11-18 | Microsoft Corporation | Secure execution of program code |
US6775779B1 (en) * | 1999-04-06 | 2004-08-10 | Microsoft Corporation | Hierarchical trusted code for content protection in computers |
US6820203B1 (en) * | 1999-04-07 | 2004-11-16 | Sony Corporation | Security unit for use in memory card |
US8055588B2 (en) * | 1999-05-19 | 2011-11-08 | Digimarc Corporation | Digital media methods |
US7068786B1 (en) * | 1999-08-29 | 2006-06-27 | Intel Corporation | Dual use block/stream cipher |
US20020191786A1 (en) * | 1999-11-30 | 2002-12-19 | Nestor Marroquin | Polymorphous encryption system |
US6757824B1 (en) * | 1999-12-10 | 2004-06-29 | Microsoft Corporation | Client-side boot domains and boot rules |
US6938164B1 (en) | 2000-11-22 | 2005-08-30 | Microsoft Corporation | Method and system for allowing code to be securely initialized in a computer |
FI115356B (en) * | 2001-06-29 | 2005-04-15 | Nokia Corp | A method for processing audio-visual information in an electronic device, a system and an electronic device |
US7159240B2 (en) | 2001-11-16 | 2007-01-02 | Microsoft Corporation | Operating system upgrades in a trusted operating system environment |
US7137004B2 (en) | 2001-11-16 | 2006-11-14 | Microsoft Corporation | Manifest-based trusted agent management in a trusted operating system environment |
US7243230B2 (en) * | 2001-11-16 | 2007-07-10 | Microsoft Corporation | Transferring application secrets in a trusted operating system environment |
US7890771B2 (en) | 2002-04-17 | 2011-02-15 | Microsoft Corporation | Saving and retrieving data based on public key encryption |
US7516491B1 (en) * | 2002-10-17 | 2009-04-07 | Roger Schlafly | License tracking system |
KR100940202B1 (en) * | 2002-08-29 | 2010-02-10 | 삼성전자주식회사 | Apparatus and method for hierarchical encryption using one-way function |
US7584354B2 (en) * | 2003-01-31 | 2009-09-01 | Intel Corporation | Implementing portable content protection to secure secrets |
US8059673B2 (en) | 2003-05-01 | 2011-11-15 | Genesis Microchip Inc. | Dynamic resource re-allocation in a packet based video display interface |
US8204076B2 (en) | 2003-05-01 | 2012-06-19 | Genesis Microchip Inc. | Compact packet based multimedia interface |
US7424558B2 (en) * | 2003-05-01 | 2008-09-09 | Genesis Microchip Inc. | Method of adaptively connecting a video source and a video display |
US7567592B2 (en) * | 2003-05-01 | 2009-07-28 | Genesis Microchip Inc. | Packet based video display interface enumeration method |
US7620062B2 (en) * | 2003-05-01 | 2009-11-17 | Genesis Microchips Inc. | Method of real time optimizing multimedia packet transmission rate |
US7733915B2 (en) | 2003-05-01 | 2010-06-08 | Genesis Microchip Inc. | Minimizing buffer requirements in a digital video system |
US8068485B2 (en) | 2003-05-01 | 2011-11-29 | Genesis Microchip Inc. | Multimedia interface |
US7405719B2 (en) * | 2003-05-01 | 2008-07-29 | Genesis Microchip Inc. | Using packet transfer for driving LCD panel driver electronics |
US7839860B2 (en) | 2003-05-01 | 2010-11-23 | Genesis Microchip Inc. | Packet based video display interface |
US7366914B2 (en) * | 2003-08-29 | 2008-04-29 | Intel Corporation | Source code transformation based on program operators |
US7487273B2 (en) * | 2003-09-18 | 2009-02-03 | Genesis Microchip Inc. | Data packet based stream transport scheduler wherein transport data link does not include a clock line |
US7800623B2 (en) | 2003-09-18 | 2010-09-21 | Genesis Microchip Inc. | Bypassing pixel clock generation and CRTC circuits in a graphics controller chip |
US7634090B2 (en) | 2003-09-26 | 2009-12-15 | Genesis Microchip Inc. | Packet based high definition high-bandwidth digital content protection |
US7613300B2 (en) | 2003-09-26 | 2009-11-03 | Genesis Microchip Inc. | Content-protected digital link over a single signal line |
KR20050075877A (en) * | 2004-01-16 | 2005-07-25 | 삼성전자주식회사 | Data retransmitting apparatus and method |
TWI263431B (en) * | 2004-09-22 | 2006-10-01 | Inst Information Industry | Data encryption system and method |
CN1764104B (en) * | 2004-10-21 | 2013-08-14 | 宇临科技股份有限公司 | Data coding system and method |
KR100654796B1 (en) | 2004-11-16 | 2006-12-08 | 삼성전자주식회사 | Data Receiving Apparatus And Control Method Thereof |
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 |
JP4901164B2 (en) * | 2005-09-14 | 2012-03-21 | ソニー株式会社 | Information processing apparatus, information recording medium, method, and computer program |
CN1863041A (en) * | 2005-09-28 | 2006-11-15 | 华为技术有限公司 | Method for implementing network television programme preview |
US20070136209A1 (en) * | 2005-12-06 | 2007-06-14 | Shabbir Khan | Digital object title authentication |
KR100811470B1 (en) | 2005-12-08 | 2008-03-07 | 한국전자통신연구원 | Drm system and method using index to make new moving picture contents from multiple moving picture contents |
KR100848642B1 (en) * | 2007-02-22 | 2008-07-28 | 고려대학교 산학협력단 | Method for encrypting and decrypting an image frame |
US8259949B2 (en) * | 2008-05-27 | 2012-09-04 | Intel Corporation | Methods and apparatus for protecting digital content |
EP2311257B1 (en) * | 2008-08-13 | 2016-01-06 | GVBB Holdings S.A.R.L | Apparatus and method for encrypting image data, and decrypting the encrypted image data, and image data distribution system |
US9653004B2 (en) | 2008-10-16 | 2017-05-16 | Cypress Semiconductor Corporation | Systems and methods for downloading code and data into a secure non-volatile memory |
US8429440B2 (en) | 2009-05-13 | 2013-04-23 | Stmicroelectronics, Inc. | Flat panel display driver method and system |
US8760461B2 (en) | 2009-05-13 | 2014-06-24 | Stmicroelectronics, Inc. | Device, system, and method for wide gamut color space support |
US8860888B2 (en) | 2009-05-13 | 2014-10-14 | Stmicroelectronics, Inc. | Method and apparatus for power saving during video blanking periods |
US8156238B2 (en) | 2009-05-13 | 2012-04-10 | Stmicroelectronics, Inc. | Wireless multimedia transport method and apparatus |
US8582452B2 (en) | 2009-05-18 | 2013-11-12 | Stmicroelectronics, Inc. | Data link configuration by a receiver in the absence of link training data |
US8468285B2 (en) | 2009-05-18 | 2013-06-18 | Stmicroelectronics, Inc. | Operation of video source and sink with toggled hot plug detection |
US8370554B2 (en) | 2009-05-18 | 2013-02-05 | Stmicroelectronics, Inc. | Operation of video source and sink with hot plug detection not asserted |
US8291207B2 (en) | 2009-05-18 | 2012-10-16 | Stmicroelectronics, Inc. | Frequency and symbol locking using signal generated clock frequency and symbol identification |
US8782237B2 (en) | 2010-01-28 | 2014-07-15 | Intel Corporation | Audio/video streaming in a topology of devices |
FR2959374B1 (en) * | 2010-04-26 | 2012-06-29 | Logiways France | METHOD FOR SHARING AN ENCRYPTION / INFORMATION ENCRYPTION KEY, KEY SHARING SYSTEM, AND ACCESS CONTROL SYSTEM USING THE SAME |
US8671234B2 (en) | 2010-05-27 | 2014-03-11 | Stmicroelectronics, Inc. | Level shifting cable adaptor and chip system for use with dual-mode multi-media device |
CN102158759B (en) * | 2011-04-22 | 2013-11-06 | 深圳创维数字技术股份有限公司 | Program recording method, playback method of recorded program and set top box |
US8983069B2 (en) | 2013-03-14 | 2015-03-17 | Robert Bosch Gmbh | System and method for counter mode encrypted communication with reduced bandwidth |
KR101964229B1 (en) * | 2013-07-26 | 2019-04-01 | 한화테크윈 주식회사 | Surveillance server, method of data processing thereof, and surveillance system |
EP3454502B1 (en) * | 2017-09-07 | 2020-08-05 | Nxp B.V. | Transceiver system |
KR102255513B1 (en) * | 2020-11-27 | 2021-05-24 | 주식회사 시옷 | Integrated one-chip security module for smart energy security threat response |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5852472A (en) * | 1995-09-28 | 1998-12-22 | Intel Corporation | Method and apparatus for connecting video sources and video sinks |
WO1999019822A2 (en) * | 1997-10-14 | 1999-04-22 | Microsoft Corporation | System and method for discovering compromised security devices |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316055A (en) * | 1976-12-30 | 1982-02-16 | International Business Machines Corporation | Stream/block cipher crytographic system |
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 |
EP0382680B1 (en) * | 1989-02-08 | 1994-10-12 | Gretag Data Systems AG | Method for cryptographically processing data, and cryptographic system |
JP2810103B2 (en) | 1989-04-28 | 1998-10-15 | パイオニア株式会社 | How to scramble television signals |
US5054067A (en) * | 1990-02-21 | 1991-10-01 | General Instrument Corporation | Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator |
US5195136A (en) * | 1991-09-30 | 1993-03-16 | Motorola, Inc. | Method and apparatus for data encryption or decryption |
FR2698510B1 (en) | 1992-11-26 | 1994-12-23 | Schlumberger Ind Sa | Communication network. |
KR950013093A (en) | 1993-10-19 | 1995-05-17 | 모리시타 요이찌 | Scramble Transfer Device and Random Number Generator |
US5508942A (en) * | 1993-11-24 | 1996-04-16 | Intel Corporation | Intra/inter decision rules for encoding and decoding video signals |
US5590194A (en) | 1994-08-09 | 1996-12-31 | Macrovision Corporation | Method of and apparatus for scrambling a video signal with full network transmission and recording capability |
MY125706A (en) | 1994-08-19 | 2006-08-30 | Thomson Consumer Electronics | High speed signal processing smart card |
KR100332743B1 (en) * | 1994-11-26 | 2002-11-07 | 엘지전자주식회사 | Device and method for preventing illegal copy or unauthorized watching of digital image |
US5673319A (en) * | 1995-02-06 | 1997-09-30 | International Business Machines Corporation | Block cipher mode of operation for secure, length-preserving encryption |
DE69634219D1 (en) | 1995-03-21 | 2005-03-03 | Sun Microsystems Inc | Video frame identifier detection |
US5703950A (en) * | 1995-06-30 | 1997-12-30 | Intermec Corporation | Method and apparatus for controlling country specific frequency allocation |
US5825879A (en) | 1996-09-30 | 1998-10-20 | Intel Corporation | System and method for copy-protecting distributed video content |
JPH10224763A (en) * | 1997-02-06 | 1998-08-21 | Matsushita Electric Ind Co Ltd | Ciphering device, deciphering device and cipering/ deciphering device |
JP3988172B2 (en) * | 1997-04-23 | 2007-10-10 | ソニー株式会社 | Information processing apparatus and method, and recording medium |
US6005940A (en) | 1997-05-16 | 1999-12-21 | Software Security, Inc. | System for securely storing and reading encrypted data on a data medium using a transponder |
US6167136A (en) | 1997-05-16 | 2000-12-26 | Software Security, Inc. | Method for preventing copying of digital video disks |
ID23916A (en) | 1997-10-02 | 2000-05-25 | Canal Plus Sa | METHODS AND DEVICES FOR TRANSPORTATION OF CODE FLOWS |
US6061449A (en) * | 1997-10-10 | 2000-05-09 | General Instrument Corporation | Secure processor with external memory using block chaining and block re-ordering |
US6731758B1 (en) | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
WO2001083097A2 (en) | 2000-05-04 | 2001-11-08 | University Of Florida | Metathesis of functionalized allylic olefins |
-
1999
- 1999-08-29 US US09/385,590 patent/US6477252B1/en not_active Expired - Lifetime
-
2000
- 2000-08-18 AU AU73307/00A patent/AU7330700A/en not_active Abandoned
- 2000-08-18 JP JP2001521066A patent/JP4071496B2/en not_active Expired - Lifetime
- 2000-08-18 CN CNB2004100858593A patent/CN100388785C/en not_active Expired - Lifetime
- 2000-08-18 EP EP07013202.2A patent/EP1835739B1/en not_active Expired - Lifetime
- 2000-08-18 DE DE60035514T patent/DE60035514T2/en not_active Expired - Lifetime
- 2000-08-18 WO PCT/US2000/022834 patent/WO2001017252A1/en active IP Right Grant
- 2000-08-18 CN CNB008150702A patent/CN1182717C/en not_active Expired - Lifetime
- 2000-08-18 EP EP00961342A patent/EP1212894B1/en not_active Expired - Lifetime
- 2000-08-18 EP EP11193579.7A patent/EP2439738B1/en not_active Expired - Lifetime
- 2000-08-18 KR KR10-2002-7002722A patent/KR100492289B1/en active IP Right Grant
- 2000-09-05 TW TW089117510A patent/TW515204B/en not_active IP Right Cessation
-
2002
- 2002-07-23 HK HK02105427.0A patent/HK1043897B/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5852472A (en) * | 1995-09-28 | 1998-12-22 | Intel Corporation | Method and apparatus for connecting video sources and video sinks |
WO1999019822A2 (en) * | 1997-10-14 | 1999-04-22 | Microsoft Corporation | System and method for discovering compromised security devices |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6731758B1 (en) | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US6931129B1 (en) | 1999-08-29 | 2005-08-16 | Intel Corporation | Method and apparatus for generating pseudo random numbers in a video device having an embedded cipher unit |
US6947561B1 (en) | 1999-08-29 | 2005-09-20 | Intel Corporation | Method and apparatus for protecting copy control information provided to a video recording device |
US6956949B1 (en) | 1999-08-29 | 2005-10-18 | Intel Corporation | Method and apparatus for authenticating an hierarchy of video receiving devices |
US7043021B2 (en) | 1999-08-29 | 2006-05-09 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
AU2002325217B2 (en) * | 2001-06-06 | 2007-03-01 | Bayer Intellectual Property Gmbh | Herbicidal agents containing benzoylpyrazoles and safeners |
WO2004017637A1 (en) * | 2002-08-13 | 2004-02-26 | Canal+ Technologies | Hard disk security |
Also Published As
Publication number | Publication date |
---|---|
EP1835739B1 (en) | 2018-07-04 |
JP4071496B2 (en) | 2008-04-02 |
CN1645934A (en) | 2005-07-27 |
EP1835739A3 (en) | 2009-11-25 |
EP1212894B1 (en) | 2007-07-11 |
EP2439738A2 (en) | 2012-04-11 |
KR20020040796A (en) | 2002-05-30 |
HK1043897B (en) | 2008-03-07 |
HK1043897A1 (en) | 2002-09-27 |
EP1835739A2 (en) | 2007-09-19 |
CN100388785C (en) | 2008-05-14 |
JP2003508976A (en) | 2003-03-04 |
DE60035514D1 (en) | 2007-08-23 |
AU7330700A (en) | 2001-03-26 |
TW515204B (en) | 2002-12-21 |
CN1385033A (en) | 2002-12-11 |
EP1212894A1 (en) | 2002-06-12 |
EP2439738A3 (en) | 2014-07-30 |
DE60035514T2 (en) | 2008-03-20 |
CN1182717C (en) | 2004-12-29 |
US6477252B1 (en) | 2002-11-05 |
KR100492289B1 (en) | 2005-05-31 |
EP2439738B1 (en) | 2019-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1835739B1 (en) | Digital video content transmission ciphering and deciphering method and apparatus | |
US7043021B2 (en) | Digital video content transmission ciphering and deciphering method and apparatus | |
US6947561B1 (en) | Method and apparatus for protecting copy control information provided to a video recording device | |
US7130425B2 (en) | Method and apparatus for providing a bus-encrypted copy protection key to an unsecured bus | |
TW200835340A (en) | Methods of scrambling and descrambling units of data | |
CN101882993A (en) | Cryptographic system and cryptographic methods | |
US7499545B1 (en) | Method and system for dual link communications encryption | |
JP2004138933A (en) | Digital image scrambling system, descrambling system, and program realizing the system | |
JP3575951B2 (en) | Device authentication method and device, and authentication system | |
US6947558B1 (en) | Stream cipher having a shuffle network combiner function | |
JP2005244534A (en) | Device and method for cipher communication | |
US7068786B1 (en) | Dual use block/stream cipher | |
Lomb et al. | Decrypting HDCP-protected video streams using reconfigurable hardware | |
CN100583746C (en) | Method and system for generating safety secrete key |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE 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 NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2000961342 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 2001 521066 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020027002722 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 008150702 Country of ref document: CN |
|
WWP | Wipo information: published in national office |
Ref document number: 1020027002722 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2000961342 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWG | Wipo information: grant in national office |
Ref document number: 1020027002722 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 2000961342 Country of ref document: EP |