MX356316B - Conversion de corriente de dlna/dtcp para reproduccion de medios segura. - Google Patents
Conversion de corriente de dlna/dtcp para reproduccion de medios segura.Info
- Publication number
- MX356316B MX356316B MX2015011877A MX2015011877A MX356316B MX 356316 B MX356316 B MX 356316B MX 2015011877 A MX2015011877 A MX 2015011877A MX 2015011877 A MX2015011877 A MX 2015011877A MX 356316 B MX356316 B MX 356316B
- Authority
- MX
- Mexico
- Prior art keywords
- dtcp
- encrypted
- chunks
- playlist
- chunk
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
- 238000000034 method Methods 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
- H04L63/0457—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 wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption
-
- 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
- G06F21/1012—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to domains
-
- 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]
- G06F21/108—Transfer of content, software, digital rights or licenses
- G06F21/1083—Partial license transfers
-
- 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
- H04L63/16—Implementing security features at a particular protocol layer
- H04L63/166—Implementing security features at a particular protocol layer at the transport layer
-
- 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 or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- 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 or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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
- H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
-
- 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
- H04N21/23611—Insertion of stuffing data into a multiplex stream, e.g. to obtain a constant bitrate
-
- 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
- H04N21/2381—Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] 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
- H04N21/238—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
-
- 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]
- H04N21/20—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
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
-
- 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
- H04N21/26613—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 keys in general
-
- 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
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
-
- 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
- H04N21/4147—PVR [Personal Video Recorder]
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4346—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream involving stuffing data, e.g. packets or bytes
-
- 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
- H04N21/4353—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving decryption of additional data
-
- 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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
- H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex 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 or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- 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 or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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 or rendering scenes according to encoded video stream scene graphs
- H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
-
- 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
- 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
- H04N21/643—Communication protocols
- H04N21/64322—IP
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Computing Systems (AREA)
- Computer Graphics (AREA)
- Technology Law (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Un proceso para convertir una corriente de transporte DTCP-IP en formato HLS, que comprende recibir una corriente de transporte DTSP-IP encriptada que comprende cuadros DTCP en un dispositivo secundario desde un dispositivo fuente, con cada uno de la pluralidad de cuadros DTCP comprendiendo porciones encriptadas de 16 bytes, formar trozos a partir de los cuadros DTCP al agrupar porciones encriptadas de 16 bytes en un trozo, agregar bytes de relleno HLS al final de cada trozo y encriptar los bytes de relleno para formar un trozo encriptado, cargar cada uno de los trozos encriptados y una lista de reproducción a un servidor proxy de medios en el dispositivo secundario, cargar una clave DTCP en un servidor Proxy de seguridad, y proporcionar la lista de reproducción, cada uno de los trozos encriptados, y la clave ]JTCP a un reproductor de medios nativo en el dispositivo secundario, de manera que el reproductor de medios nativo sigue la lista de reproducción para desencriptar los trozos encriptados utilizando la clave DTCP y reproduce los trozos.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361801216P | 2013-03-15 | 2013-03-15 | |
US201361817115P | 2013-04-29 | 2013-04-29 | |
PCT/US2014/030420 WO2014145624A1 (en) | 2013-03-15 | 2014-03-17 | Dlna/dtcp stream conversion for secure media playback |
US14/215,848 US9338149B2 (en) | 2013-03-15 | 2014-03-17 | DLNA/DTCP stream conversion for secure media playback |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015011877A MX2015011877A (es) | 2016-06-24 |
MX356316B true MX356316B (es) | 2018-05-23 |
Family
ID=51534026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015011877A MX356316B (es) | 2013-03-15 | 2014-03-17 | Conversion de corriente de dlna/dtcp para reproduccion de medios segura. |
Country Status (7)
Country | Link |
---|---|
US (1) | US9338149B2 (es) |
EP (1) | EP2954684B1 (es) |
JP (1) | JP6077173B2 (es) |
KR (1) | KR101730754B1 (es) |
CA (1) | CA2906179C (es) |
MX (1) | MX356316B (es) |
WO (1) | WO2014145624A1 (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10182038B2 (en) | 2013-07-29 | 2019-01-15 | Mobitv, Inc. | Efficient common storage of partially encrypted content |
KR102548789B1 (ko) * | 2014-08-07 | 2023-06-29 | 디빅스, 엘엘씨 | 독립적으로 인코딩된 타일을 포함한 기본 비트스트림을 보호하는 시스템 및 방법 |
WO2016112338A1 (en) * | 2015-01-08 | 2016-07-14 | Intertrust Technologies Corporation | Cryptographic systems and methods |
US9665699B2 (en) * | 2015-03-13 | 2017-05-30 | Nxp B.V. | Implementing padding in a white-box implementation |
ES2731789T3 (es) * | 2015-03-20 | 2019-11-19 | Nagravision Sa | Método y dispositivo para proteger un contenido multimedia descifrado antes de su transmisión a un dispositivo de consumo |
GB201505438D0 (en) * | 2015-03-30 | 2015-05-13 | Irdeto Bv | Accessing content at a device |
US9438936B1 (en) * | 2015-04-03 | 2016-09-06 | Mirriad Limited | Producing video data |
FR3038415B1 (fr) * | 2015-07-01 | 2017-08-11 | Viaccess Sa | Procede de fourniture d’un contenu multimedia protege |
CN105049920B (zh) * | 2015-07-27 | 2018-08-10 | 青岛海信移动通信技术股份有限公司 | 一种多媒体文件的录制方法和装置 |
US9838202B2 (en) | 2015-08-31 | 2017-12-05 | Microsoft Technology Licensing, Llc | Modifying a content descriptor to facilitate delivery of token-authorized encrypted data |
CN107294913B (zh) * | 2016-03-31 | 2021-08-27 | 阿里巴巴集团控股有限公司 | 基于http的安全通信方法、服务端及客户端 |
EP3293653A1 (en) | 2016-09-09 | 2018-03-14 | Nagravision S.A. | A system for decrypting and rendering content |
US10306276B2 (en) * | 2016-09-12 | 2019-05-28 | Funai Electric Co., Ltd. | Information device |
US10944572B2 (en) | 2017-01-02 | 2021-03-09 | Western Digital Technologies, Inc. | Decryption and variant processing |
WO2018182635A1 (en) * | 2017-03-30 | 2018-10-04 | Blonder Tongue Laboratories, Inc. | Enterprise content gateway |
CN108495190B (zh) * | 2018-01-29 | 2021-08-20 | 北京奇艺世纪科技有限公司 | 一种在线视频的点播控制方法和装置 |
CN108777611B (zh) * | 2018-05-11 | 2021-06-18 | 吉林大学 | 基于双密钥流密码的双向链表顺序加密解密方法 |
CN113206841B (zh) * | 2021-04-26 | 2022-08-23 | 杭州当虹科技股份有限公司 | 基于hls协议的aes解密代理方法及系统 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5603012A (en) * | 1992-06-30 | 1997-02-11 | Discovision Associates | Start code detector |
US5748642A (en) * | 1995-09-25 | 1998-05-05 | Credence Systems Corporation | Parallel processing integrated circuit tester |
US6690683B1 (en) * | 1999-11-23 | 2004-02-10 | International Business Machines Corporation | Method and apparatus for demultiplexing a shared data channel into a multitude of separate data streams, restoring the original CBR |
US8214655B2 (en) * | 2002-03-29 | 2012-07-03 | Kabushiki Kaisha Toshiba | Data structure of multimedia file format, encrypting method and device thereof, and decrypting method and device thereof |
WO2008132961A1 (ja) * | 2007-04-12 | 2008-11-06 | Sharp Kabushiki Kaisha | 通信装置、通信方法、通信プログラム及び記録媒体 |
JP2008310678A (ja) * | 2007-06-15 | 2008-12-25 | Toshiba Corp | 記憶装置、情報機器、及びコンテンツ変換方法 |
JP5487697B2 (ja) * | 2009-04-20 | 2014-05-07 | ソニー株式会社 | ネットワークサーバ、メディア形式変換方法、及び、メディア形式変換システム |
US20120140645A1 (en) * | 2010-12-03 | 2012-06-07 | General Instrument Corporation | Method and apparatus for distributing video |
US8767961B2 (en) * | 2011-01-05 | 2014-07-01 | Motorola Mobility Llc | Secure live television streaming |
WO2012094487A2 (en) * | 2011-01-05 | 2012-07-12 | General Instrument Corporation | Secure progressive download for media content playback |
US8949592B2 (en) | 2011-03-23 | 2015-02-03 | Google Technology Holdings | System and methods for providing live streaming content using digital rights management-based key management |
US20120284802A1 (en) * | 2011-05-02 | 2012-11-08 | Authentec, Inc. | Method for playing digital contents protected with a drm (digital right management) scheme and corresponding system |
US20130067109A1 (en) * | 2011-09-12 | 2013-03-14 | Tektronix, Inc. | Monitoring Over-the-Top Adaptive Video Streaming |
US8738595B2 (en) * | 2011-11-22 | 2014-05-27 | Navteq B.V. | Location based full text search |
US8792643B1 (en) * | 2012-02-16 | 2014-07-29 | Google Inc. | System and methodology for decrypting encrypted media |
US9454588B2 (en) * | 2012-08-14 | 2016-09-27 | International Business Machines Corporation | Custom object-in-memory format in data grid network appliance |
-
2014
- 2014-03-17 WO PCT/US2014/030420 patent/WO2014145624A1/en active Application Filing
- 2014-03-17 US US14/215,848 patent/US9338149B2/en active Active
- 2014-03-17 JP JP2016503398A patent/JP6077173B2/ja active Active
- 2014-03-17 CA CA2906179A patent/CA2906179C/en active Active
- 2014-03-17 KR KR1020157028627A patent/KR101730754B1/ko active IP Right Grant
- 2014-03-17 MX MX2015011877A patent/MX356316B/es active IP Right Grant
- 2014-03-17 EP EP14725936.0A patent/EP2954684B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20140281481A1 (en) | 2014-09-18 |
KR20150131191A (ko) | 2015-11-24 |
JP6077173B2 (ja) | 2017-02-08 |
EP2954684B1 (en) | 2021-05-05 |
MX2015011877A (es) | 2016-06-24 |
CA2906179C (en) | 2020-03-24 |
WO2014145624A1 (en) | 2014-09-18 |
JP2016519471A (ja) | 2016-06-30 |
EP2954684A1 (en) | 2015-12-16 |
KR101730754B1 (ko) | 2017-04-26 |
US9338149B2 (en) | 2016-05-10 |
CA2906179A1 (en) | 2014-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX2015011877A (es) | Conversion de corriente de dlna/dtcp para reproduccion de medios segura. | |
MX351973B (es) | Convertidor dtcp a hls. | |
MY196191A (en) | File Encryption Method, File Decryption Method, Electronic Device, and Storage Medium | |
WO2015121806A3 (en) | System and method for securing content keys delivered in manifest files | |
GB201101471D0 (en) | A method, module and host | |
WO2014116528A3 (en) | Providing an encrypted account credential from a first device to a second device | |
GB2509422A (en) | Decryption and encryption of application data | |
MX2014000280A (es) | Metodos y aparatos para medir exposicion a transmision de medios en tiempo real. | |
JP2014526158A5 (es) | ||
WO2018191772A3 (en) | STORAGE SYSTEMS FOR ENCRYPTION | |
WO2014145011A3 (en) | Method and apparatus for streaming video | |
EP4260747A3 (en) | Electrically operated aerosol generation system with authentication of consumable | |
WO2013068843A8 (en) | Multi-key cryptography for encrypting file system acceleration | |
GB2528226A (en) | Method performed by at least one server for processing a data packet from a first computing device to a second computing device to permit end-to-end | |
WO2016060722A3 (en) | Homomorphic encryption in a healthcare network environment, system and methods | |
GB2544672A (en) | PUF and address dependent data encryption | |
EP2506488A3 (en) | Secure dynamic on-chip key programming | |
WO2014027263A3 (en) | Attribute-based encryption | |
PH12018550176A1 (en) | Using hardware based secure isolated region to prevent piracy and cheating on electronic devices | |
WO2016122747A3 (en) | Storage for encrypted data with enhanced security | |
GB2537335A (en) | Caching and streaming of digital media content | |
WO2012122117A3 (en) | Content playback apis using encrypted streams | |
MX2013004764A (es) | Metodos para procesar metadatos privados. | |
FI20115143A0 (fi) | Karanteenimenetelmä myytäville virtuaalihyödykkeille | |
US9794230B2 (en) | Method and system for encrypting multimedia streams |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
HC | Change of company name or juridical status |
Owner name: ARRIS ENTERPRISES, LLC Owner name: ANDES BIOTECHNOLOGIES GLOBAL, INC. |
|
PD | Change of proprietorship |
Owner name: ARRIS ENTERPRISES LLC |