JP2012182827A5 - - Google Patents

Download PDF

Info

Publication number
JP2012182827A5
JP2012182827A5 JP2012113292A JP2012113292A JP2012182827A5 JP 2012182827 A5 JP2012182827 A5 JP 2012182827A5 JP 2012113292 A JP2012113292 A JP 2012113292A JP 2012113292 A JP2012113292 A JP 2012113292A JP 2012182827 A5 JP2012182827 A5 JP 2012182827A5
Authority
JP
Japan
Prior art keywords
multimedia file
media data
data portion
video frame
media
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2012113292A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012182827A (ja
JP5479528B2 (ja
Filing date
Publication date
Priority claimed from US11/182,088 external-priority patent/US8677504B2/en
Application filed filed Critical
Publication of JP2012182827A publication Critical patent/JP2012182827A/ja
Publication of JP2012182827A5 publication Critical patent/JP2012182827A5/ja
Application granted granted Critical
Publication of JP5479528B2 publication Critical patent/JP5479528B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2012113292A 2005-07-14 2012-05-17 ランダムアクセスを可能にするためにマルチメディアコンテンツを暗号化／解読する方法および装置 Expired - Fee Related JP5479528B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/182,088 US8677504B2 (en) 2005-07-14 2005-07-14 Method and apparatus for encrypting/decrypting multimedia content to allow random access
US11/182,088 2005-07-14

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2008521657A Division JP2009502054A (ja) 2005-07-14 2006-07-12 ランダムアクセスを可能にするためにマルチメディアコンテンツを暗号化／復号化する方法および装置

Publications (3)

Publication Number Publication Date
JP2012182827A JP2012182827A (ja) 2012-09-20
JP2012182827A5 true JP2012182827A5 (enExample) 2012-11-01
JP5479528B2 JP5479528B2 (ja) 2014-04-23

Family

ID=37106309

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008521657A Withdrawn JP2009502054A (ja) 2005-07-14 2006-07-12 ランダムアクセスを可能にするためにマルチメディアコンテンツを暗号化／復号化する方法および装置
JP2012113292A Expired - Fee Related JP5479528B2 (ja) 2005-07-14 2012-05-17 ランダムアクセスを可能にするためにマルチメディアコンテンツを暗号化／解読する方法および装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2008521657A Withdrawn JP2009502054A (ja) 2005-07-14 2006-07-12 ランダムアクセスを可能にするためにマルチメディアコンテンツを暗号化／復号化する方法および装置

Country Status (10)

Country Link
US (2) US8677504B2 (enExample)
EP (1) EP1913779A1 (enExample)
JP (2) JP2009502054A (enExample)
KR (1) KR101011588B1 (enExample)
CN (2) CN110035252B (enExample)
BR (1) BRPI0613730A2 (enExample)
CA (1) CA2615333A1 (enExample)
RU (1) RU2394389C2 (enExample)
TW (1) TW200715798A (enExample)
WO (1) WO2007011766A1 (enExample)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8036250B1 (en) * 2002-10-25 2011-10-11 Bigband Networks Inc. Method and apparatus of mutliplexing media streams
US8677504B2 (en) 2005-07-14 2014-03-18 Qualcomm Incorporated Method and apparatus for encrypting/decrypting multimedia content to allow random access
US20070083467A1 (en) * 2005-10-10 2007-04-12 Apple Computer, Inc. Partial encryption techniques for media data
CN101346992B (zh) * 2005-12-23 2010-12-22 皇家飞利浦电子股份有限公司 处理数据流的设备和方法
US10417428B2 (en) 2007-03-06 2019-09-17 Unisys Corporation Methods and systems for providing and controlling cryptographic secure communications terminal providing a remote desktop accessible in secured and unsecured environments
US7929698B2 (en) * 2007-06-15 2011-04-19 Sony Corporation Selective encryption to enable trick play with enhanced security
US8489702B2 (en) * 2007-06-22 2013-07-16 Apple Inc. Determining playability of media files with minimal downloading
US20090028142A1 (en) * 2007-07-25 2009-01-29 Schmidt Brian K Streaming data content in a network
US8223851B2 (en) * 2007-11-23 2012-07-17 Samsung Electronics Co., Ltd. Method and an apparatus for embedding data in a media stream
CN101800734B (zh) * 2009-02-09 2013-10-09 华为技术有限公司 一种会话信息交互方法、装置及系统
JP5350021B2 (ja) * 2009-03-03 2013-11-27 日本放送協会 ファイル生成装置、ファイル再生装置およびコンピュータプログラム
CA2759880C (en) * 2009-03-23 2013-09-24 Azuki Systems, Inc. Method and system for efficient streaming video dynamic rate adaptation
CN101882995B (zh) * 2009-05-06 2013-08-07 中兴通讯股份有限公司 数据发送、接收和传输方法及装置
US20110129202A1 (en) * 2009-12-01 2011-06-02 Divx, Llc System and method for determining bit stream compatibility
US8959366B2 (en) 2010-01-28 2015-02-17 Cleversafe, Inc. De-sequencing encoded data slices
US11301592B2 (en) * 2010-01-28 2022-04-12 Pure Storage, Inc. Distributed storage with data obfuscation and method for use therewith
JP5766783B2 (ja) * 2010-03-31 2015-08-19 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ 認証された音声暗号化のための装置
US8527748B2 (en) * 2010-10-01 2013-09-03 Schneider Electric USA, Inc. System and method for hosting encrypted monitoring data
US11030305B2 (en) 2010-10-04 2021-06-08 Unisys Corporation Virtual relay device for providing a secure connection to a remote device
KR101040756B1 (ko) * 2010-12-03 2011-06-10 (주)케이사인 식별 데이터를 이용하여 맵핑하는 방법
CN103107887B (zh) * 2013-01-22 2016-09-21 东莞宇龙通信科技有限公司 一种基于位置信息对文件进行操作控制的方法和装置
JP6115153B2 (ja) * 2013-01-30 2017-04-19 株式会社リコー 情報処理端末、情報処理方法及びプログラム
US9141823B2 (en) * 2013-03-15 2015-09-22 Veridicom, Sa De Cv Abstraction layer for default encryption with orthogonal encryption logic session object; and automated authentication, with a method for online litigation
US10182038B2 (en) * 2013-07-29 2019-01-15 Mobitv, Inc. Efficient common storage of partially encrypted content
US9414076B2 (en) * 2014-11-03 2016-08-09 Broadcom Corporation System architecture for distributed coding
EP3235168B1 (en) * 2014-12-19 2020-07-01 Nokia Solutions and Networks Oy Coordinated packet delivery of encrypted session
CN104618097A (zh) * 2015-01-24 2015-05-13 刘勇 一种数据加密发送的方法、数据终端及服务器
CN105704515A (zh) * 2015-06-03 2016-06-22 深圳Tcl数字技术有限公司 媒体文件的快速启播方法及装置
US10169600B2 (en) * 2015-10-13 2019-01-01 International Business Machines Corporation Encryption policies for various nodes of a file
CN109325354B (zh) * 2017-07-31 2022-06-28 阿里云计算有限公司 数据的存储、处理及读取方法、数据存储设备和系统
US11100250B2 (en) * 2017-09-05 2021-08-24 Philips Healthcare Informatics, Inc. Controlling access to data in a health network
US10715310B2 (en) * 2018-05-07 2020-07-14 Qualcomm Incorporated Method and apparatus for decrypting data blocks of a pattern-encrypted subsample
KR102083415B1 (ko) * 2018-07-31 2020-03-02 국민대학교산학협력단 암호화 파일에 대한 복호화 장치 및 방법
US11064153B2 (en) * 2018-08-21 2021-07-13 Gopro, Inc. Methods and apparatus for encrypting camera media
CN110545263B (zh) * 2019-08-15 2022-03-11 咪咕视讯科技有限公司 解密方法、加密方法、终端设备、服务器及可读存储介质
CN110929302B (zh) * 2019-10-31 2022-08-26 东南大学 一种数据安全加密存储方法及存储装置
US12346291B2 (en) * 2021-11-03 2025-07-01 Vimeo.Com, Inc. On-the-fly/transparent fragmented ISOBMFF to progressive ISOBMFF transmultiplexing proxy
CN116248948A (zh) * 2021-12-08 2023-06-09 海信电子科技(武汉)有限公司 一种流媒体播放方法及显示设备
CN114286130A (zh) * 2021-12-29 2022-04-05 北京深思数盾科技股份有限公司 视频加密方法、视频处理方法、装置及电子设备
CN114640866B (zh) * 2022-05-18 2022-08-16 电子科技大学成都学院 一种基于随机动态的多通道加密方法、装置及系统

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4710211B2 (ja) 1999-08-20 2011-06-29 ソニー株式会社 情報記録装置、情報再生装置、情報記録再生装置、情報記録方法、情報再生方法、情報記録再生方法並びに記録媒体
JP2001211164A (ja) 2000-01-27 2001-08-03 Victor Co Of Japan Ltd 画像符号化方式
TW519840B (en) * 2000-06-02 2003-02-01 Sony Corp Image coding apparatus and method, image decoding apparatus and method, and recording medium
US7165175B1 (en) 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network
EP1327360A1 (en) 2000-10-11 2003-07-16 Koninklijke Philips Electronics N.V. Scalable coding of multi-media objects
JP2002152180A (ja) 2000-11-15 2002-05-24 Toshiba Corp 無線通信システム、送信装置及びコンテンツデータ転送方法
JP3946965B2 (ja) 2001-04-09 2007-07-18 ソニー株式会社 無体財産権を保護する情報を記録する記録装置、記録方法、記録媒体、およびプログラム
US20030037237A1 (en) 2001-04-09 2003-02-20 Jean-Paul Abgrall Systems and methods for computer device authentication
US7249255B2 (en) 2001-06-13 2007-07-24 Corrent Corporation Apparatus and method for a hash processing system using multiple hash storage areas
CN101075455B (zh) * 2001-11-27 2010-09-08 皇家飞利浦电子股份有限公司 增强内容获取设备
US7376233B2 (en) * 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
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
JP3974443B2 (ja) 2002-04-18 2007-09-12 株式会社ケンウッド 記録再生装置および記録再生方法
WO2003107665A1 (en) 2002-06-12 2003-12-24 Koninklijke Philips Electronics N.V. Trick play of encrypted data in a conditional access signal
EP1516483A1 (en) 2002-06-12 2005-03-23 Koninklijke Philips Electronics N.V. Method and apparatus for processing a stream that contains encrypted information
EP1523822A4 (en) 2002-07-09 2011-08-31 Kaleidescape Inc SAFE PRESENTATION OF ENCRYPTED DIGITAL CONTENT
KR20050051633A (ko) * 2002-07-11 2005-06-01 몬산토 테크놀로지 엘엘씨 종자 단백질 플러스 오일이 증가된 고 수율성 대두 식물
US7826718B2 (en) * 2002-08-09 2010-11-02 Broadcom Corporation Method and apparatus to facilitate the efficient implementation of trick modes in a personal video recording system
US20050036876A1 (en) * 2002-09-24 2005-02-17 Walto Joseph J. Tracked compact utility loader
JP2004282703A (ja) 2002-11-05 2004-10-07 Matsushita Electric Ind Co Ltd データ処理装置
JP4336957B2 (ja) * 2003-09-30 2009-09-30 日本電気株式会社 トランスポートストリームの暗号化装置及び編集装置並びにこれらの方法
JP4062230B2 (ja) * 2003-10-10 2008-03-19 ソニー株式会社 ファイル記録再生装置、ファイル記録再生方法、ファイル記録再生方法のプログラム及びファイル記録再生方法のプログラムを記録した記録媒体
KR101244308B1 (ko) * 2003-12-08 2013-03-18 삼성전자주식회사 동영상 파일의 암호화 방법 및 그를 이용한 디지털 저작권관리방법
US8677504B2 (en) 2005-07-14 2014-03-18 Qualcomm Incorporated Method and apparatus for encrypting/decrypting multimedia content to allow random access

Similar Documents

Publication Publication Date Title
RU2008105548A (ru) Способ и устройство для шифрования/дешифрования контента мультимедиа для обеспечения возможности произвольного доступа
US9794230B2 (en) Method and system for encrypting multimedia streams
US11928986B2 (en) Content format conversion verification
MX2014000280A (es) Metodos y aparatos para medir exposicion a transmision de medios en tiempo real.
JP5866460B2 (ja) ファイルをパックする／アンパックするための方法および装置
WO2011156066A3 (en) Methods and apparatuses for securing playback content
RU2012130005A (ru) Устройство приема содержания, устройство воспроизведения содержания, устройство приема и воспроизведения содержания, способ приема содержания и программа
CN105162588B (zh) 一种媒体文件加解密方法和装置
BR112015026372A2 (pt) método de segurança de arquivo e aparelho para o mesmo
EP2565873A3 (en) Information processing device, information processing system, information processing method, and program
CN105791893B (zh) 视频文件加密、解密方法及装置
JP2014523031A5 (enExample)
FI20115143A0 (fi) Karanteenimenetelmä myytäville virtuaalihyödykkeille
JP2010541299A5 (enExample)
CN106096334A (zh) 超媒体数据的加密方法及加密装置、解密方法及解密装置
JP2009159299A5 (enExample)
MX2007013211A (es) Dispositivo y metodo de procesamiento de una corriente de datos cifrados en un sistema criptografico.
ES2935614T3 (es) Sistema para asegurar cámaras de seguridad desplegadas
JP2010501895A5 (enExample)
CN105635149A (zh) 流媒体加密方法、装置和系统
US8402280B1 (en) System, method, and computer program product for buffering in association with audio/video digital rights management (DRM) processing
CN105471831B (zh) 一种对实时传输协议数据包进行加密的方法和装置
CN113261256B (zh) 在数据流中安全地传输数据
Schönberger et al. GPU-assisted AES encryption using GCM
JP2013223102A (ja) データ形式に応じた暗号処理装置