公开(公告)号：US10439994B2

公开(公告)日：2019-10-08

申请号：US15324089

申请日：2015-07-13

申请人： Samsung Electronics Co., Ltd.

发明人： Sung-Ryeul Rhyu ,  Eric Yip

IPC分类号： H04L29/06 ,  G06F21/62 ,  H04N21/2347 ,  H04W12/02 ,  H04W12/12 ,  H04N21/4405 ,  H04N21/442 ,  H04N21/61 ,  H04N21/8355 ,  H04W12/00 ,  H04W84/04

摘要： The present disclosure relates to a 5th-Generation (5G) or pre-5G communication system to be provided to support a higher data rate than a 4th-Generation (4G) communication system like Long Term Evolution (LTE). The present invention provides a method for encrypting a multimedia content comprising: encrypting multimedia contents including a plurality of variants and a plurality of samples; and transmitting the encrypted multimedia contents, wherein the plurality of variants correspond to the samples included in the multimedia contents, respectively, and are configured with reference to a predetermined number of samples, and each of the plurality of variants is configured with reference to a combination of different samples.

公开(公告)号：US10432685B2

公开(公告)日：2019-10-01

申请号：US15169543

申请日：2016-05-31

申请人： Brightcove Inc.

发明人： Barry Hartman ,  Sean Knapp ,  Bob Sesek ,  Siddharth Gopalan

IPC分类号： G06F15/16 ,  H04L29/06 ,  H04L9/14 ,  G06F21/10 ,  H04N21/254 ,  H04N21/266 ,  H04N21/2347 ,  H04N21/4405 ,  H04N21/258 ,  H04N21/262 ,  H04N21/472 ,  H04N21/6334 ,  H04N21/845 ,  H04L29/08

摘要： Techniques and a system are provided for protecting content (or media item) streamed over a network from unauthorized access. As an example, the streaming protection system generates statistics when a client requests a media item. The statistic may be generated based on various factors. The media item is divided into different portions, each portion requiring a different key to decrypt the portion so that it may be viewed by a user. Based on the generated statistic, the streaming protection system determines whether or not to allow the client access to the decryption key for a portion of the media item.

公开(公告)号：US20190297369A1

公开(公告)日：2019-09-26

申请号：US16387452

申请日：2019-04-17

申请人： Apple Inc.

发明人： Augustin J. FARRUGIA ,  Jeffrey ROBBIN ,  Hiro MITSUJI ,  Mihailo DESPOTOVIC ,  Colin MELDRUM

IPC分类号： H04N21/266 ,  H04N21/4405 ,  H04N21/437 ,  H04N21/61 ,  H04N21/472 ,  H04N21/254 ,  H04N21/4408 ,  H04N7/16 ,  H04N7/173

摘要： A video on demand system in the context of the Internet, for video rentals. A user accesses an on-line store to rent a video program or movie. The rental is for a limited time (such as 30 days) and within that thirty days, the video program or movie can only be viewed for a 24 hour time window. The time limits are enforced by the on-line store which maintains a database of each rental transaction and allows supply of the needed keys for decrypting the (encrypted) video or movie only if within the time limits.

公开(公告)号：US10419789B2

公开(公告)日：2019-09-17

申请号：US15046491

申请日：2016-02-18

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： Masayuki Kozuka ,  Masaya Yamamoto ,  Kaoru Murase ,  Tadamasa Toma

IPC分类号： G06F21/10 ,  H04N21/2347 ,  G06F21/60 ,  G11B20/00 ,  H04N5/85 ,  H04N9/79 ,  H04N21/41 ,  H04N21/433 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/4627 ,  H04N21/8355 ,  H04N21/854 ,  H04N9/804

摘要： A method includes: holding a device key provided to an information processing terminal; reading an encrypted content and conversion control information from a recording medium; decoding the read encrypted content using the held device key to obtain a decoded content; converting the decoded content into an export format to obtain an export content; generating playback right information indicating that the information processing terminal can play back the converted export content according to the read conversion control information; and controlling whether the playback right information can be generated according to a first flag.

公开(公告)号：US10409962B2

公开(公告)日：2019-09-10

申请号：US14129381

申请日：2011-10-28

申请人： Jayant Mangalam-Palli ,  Rajesh Banginwar ,  Venkat Gokulrangan

发明人： Jayant Mangalam-Palli ,  Rajesh Banginwar ,  Venkat Gokulrangan

IPC分类号： G06F21/10 ,  G06F21/72 ,  G06F21/85 ,  H04N21/41 ,  H04N21/4402 ,  H04N21/4405 ,  H04N21/442 ,  H04L29/06

摘要： A receiver includes a first interface to receive content, a second interface to be coupled to a device, and a processor to determine whether the device is a compliant device and to prevent decryption of at least a portion of the content received through the first interface when the device is determined to be a non-compliant device.

公开(公告)号：US20190261035A1

公开(公告)日：2019-08-22

申请号：US16390631

申请日：2019-04-22

申请人： Gracenote, Inc.

发明人： Donald F. Gordon

IPC分类号： H04N21/234 ,  H04N21/235 ,  H04N21/442 ,  H04N21/4405 ,  H04N21/2668 ,  H04N21/2347 ,  H04N21/81 ,  H04N21/44 ,  H04N21/258 ,  H04N7/173 ,  H04N21/24 ,  H04N21/25 ,  H04N21/2543 ,  H04N21/23 ,  H04N21/2343 ,  H04N21/20 ,  H04N21/21 ,  H04N21/4722

摘要： A media system replaces content in a first sequence of media content. The media system presents the first sequence of media content to an end-user and generates a fingerprint of the sequence of media content. The fingerprint is for comparison with a plurality of reference fingerprints so as to identify the first sequence of media content and determine a reference position within the first sequence of media content. The media system sends a request for a replacement sequence of content to a content replacement system, and receives replacement media content selected based on the identified first sequence of media content. The media system presents the replacement media content to the end-user instead of the first sequence of media content. Presenting the replacement media content begins at a position in the first sequence of media content that is determined based on the reference position.

公开(公告)号：US20190215487A1

公开(公告)日：2019-07-11

申请号：US16351330

申请日：2019-03-12

申请人： SLING MEDIA LLC

发明人： Bhupendra Natwerlal Shah ,  Padmanabha R. Rao ,  Ilya Asnis

IPC分类号： H04N7/167 ,  H04L29/06 ,  H04N21/4627 ,  H04N21/4227 ,  H04L9/06 ,  H04N21/41 ,  H04N21/4408 ,  H04N21/4405 ,  H04N21/4402

CPC分类号： H04N7/1675 ,  H04L9/065 ,  H04L63/0428 ,  H04L65/60 ,  H04L2209/30 ,  H04L2209/34 ,  H04N21/4126 ,  H04N21/4227 ,  H04N21/440218 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/4627

摘要： A set-top box (STB), digital video recorder (DVR), video player or other host device receives and interacts with a transcode module to provide enhanced transcoding capabilities that may be useful in placeshifting or other applications. The transcode module includes a host interface that couples to and communicates with the host device. The transcode module also includes a processor that receives an encrypted media stream from the host device via the bus interface, decrypts the encrypted media stream, transcodes the encrypted media stream to a different format, re-encrypts the transcoded stream, and provides the re-encrypted media stream to the host device via the host interface. The transcoded media content may be placeshifted to a remote player, stored at the host, or used for any other purpose.

公开(公告)号：US10341312B2

公开(公告)日：2019-07-02

申请号：US15124434

申请日：2014-03-24

申请人： Nokia Technologies Oy

发明人： Silke Holtmanns ,  Jari Vainikka

IPC分类号： H04L29/06 ,  H04L9/32 ,  H04N21/00 ,  H04N21/2347 ,  H04N21/266 ,  H04N21/4405 ,  G06F21/10 ,  H04N21/254 ,  H04N21/4627 ,  H04N21/426 ,  H04N21/436 ,  G06F21/72

摘要： According to an example embodiment of the present invention, there is provided an apparatus comprising at least one secure element configured to store at least two credentials, and at least one processing core configured to cause a first one of the at least two credentials to be employed to decrypt a first encrypted content to produce a first decrypted content, to cause a second one of the at least two credentials to be employed to decrypt a second encrypted content to produce a second decrypted content, and to cause the first decrypted content be provided to a first rendering device over a first secured tunnel connection, wherein an endpoint of the first secured tunnel connection resides in the apparatus.

公开(公告)号：US20190174180A1

公开(公告)日：2019-06-06

申请号：US16302501

申请日：2017-05-19

申请人： NAGRAVISION S.A.

发明人： Christian SCHWARZ

IPC分类号： H04N21/4402 ,  H04N21/4627 ,  H04N21/4405 ,  H04N21/4623 ,  H04N21/8355

CPC分类号： H04N21/4402 ,  H04N21/4126 ,  H04N21/4405 ,  H04N21/4623 ,  H04N21/4627 ,  H04N21/8355

摘要： A content handling device comprises a plurality of content transformation modules that can define one or more paths from a content source module to a content sink module. The content is associated with one or more usage rules requiring one or more transformations to be applied to the content. To enforce usage rules, each content transformation module is configured to receive the content, apply a transformation to the content in accordance with the usage rules and apply a tagging operation corresponding to the transformation to the content. In some embodiments output of the content by the content sink module is prevented if all tagging operations corresponding to the usage rules have not been applied. While in some embodiments usage rule tags corresponding to the usage rules are embedded locally at the content handling device, the disclosure also extends to a content distribution system with a usage rule tag embedding functionality.

公开(公告)号：US10284529B2

公开(公告)日：2019-05-07

申请号：US15315031

申请日：2015-06-05

申请人： SONY CORPORATION

发明人： Takehiko Nakano

IPC分类号： H04L29/06 ,  G09C5/00 ,  H04L9/14 ,  H04N21/4405 ,  G06F21/10 ,  G06F21/60 ,  G06F21/62 ,  H04N1/10 ,  H04N1/32

摘要： The present disclosure relates to an information processing apparatus and an information processing method which facilitate reproduction of the data obtained by encrypting prepared multiple patterns regarding at least part of data of content with unique keys. An image acquiring unit receives an image file containing: encrypted data that is obtained by encrypting with unique keys multiple pieces of pattern data regarding forensic object data which is at least part of encoded image data of video content and that has an identical size; unencrypted data, of the encoded image data of video content, which is not encrypted with any one of the keys; size information that represents the size of the encrypted data; and position information that represents a position of the encrypted data in the file. The present disclosure can be applied to a video reproducing terminal and the like.