BRPI0413462A - método e dispositivo para proteger distribuição de conteúdo por uma rede de comunicação por meio de chaves de conteúdo - Google Patents

método e dispositivo para proteger distribuição de conteúdo por uma rede de comunicação por meio de chaves de conteúdo

Info

Publication number
BRPI0413462A
BRPI0413462A BRPI0413462-1A BRPI0413462A BRPI0413462A BR PI0413462 A BRPI0413462 A BR PI0413462A BR PI0413462 A BRPI0413462 A BR PI0413462A BR PI0413462 A BRPI0413462 A BR PI0413462A
Authority
BR
Brazil
Prior art keywords
content
communication network
information item
key
distribution over
Prior art date
Application number
BRPI0413462-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Junbiao Zhang
Jun Li
Kumar Ramaswamy
Original Assignee
Thomson Licensing
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of BRPI0413462A publication Critical patent/BRPI0413462A/pt

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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]
    • 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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • 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
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
    • 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
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Databases & Information Systems (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
BRPI0413462-1A 2003-08-13 2004-01-27 método e dispositivo para proteger distribuição de conteúdo por uma rede de comunicação por meio de chaves de conteúdo BRPI0413462A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49483603P 2003-08-13 2003-08-13
PCT/US2004/002407 WO2005020541A1 (en) 2003-08-13 2004-01-27 Method and device for securing content delivery over a communication network via content keys

Publications (1)

Publication Number Publication Date
BRPI0413462A true BRPI0413462A (pt) 2006-10-17

Family

ID=34215904

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0413462-1A BRPI0413462A (pt) 2003-08-13 2004-01-27 método e dispositivo para proteger distribuição de conteúdo por uma rede de comunicação por meio de chaves de conteúdo

Country Status (10)

Country Link
US (1) US20070033396A1 (enExample)
EP (1) EP1661355B1 (enExample)
JP (1) JP4690321B2 (enExample)
KR (1) KR101109144B1 (enExample)
CN (1) CN1868187B (enExample)
BR (1) BRPI0413462A (enExample)
DE (1) DE602004005219T2 (enExample)
MX (1) MXPA06001649A (enExample)
MY (1) MY137892A (enExample)
WO (1) WO2005020541A1 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10181953B1 (en) 2013-09-16 2019-01-15 Amazon Technologies, Inc. Trusted data verification
CN1981501A (zh) * 2004-03-12 2007-06-13 汤姆森许可公司 调度内容文件的分发的方法和缓存服务器网络
BRPI0520341A2 (pt) * 2005-06-23 2009-05-05 Thomson Licensing sistema e método de registro de dispositivo de acesso a multimìdia
EP1876549A1 (de) 2006-07-07 2008-01-09 Swisscom Mobile AG Verfahren und System zur verschlüsselten Datenübertragung
US20080209213A1 (en) 2007-02-23 2008-08-28 Sony Ericsson Mobile Communications Ab Authorizing secure resources
CN101917393A (zh) * 2010-05-26 2010-12-15 中兴通讯股份有限公司 信息传输方法和系统、以及数据卡
TWI421724B (zh) * 2010-10-28 2014-01-01 Chunghwa Telecom Co Ltd 數位資訊權限管理方法
US9237155B1 (en) 2010-12-06 2016-01-12 Amazon Technologies, Inc. Distributed policy enforcement with optimizing policy transformations
US8769642B1 (en) 2011-05-31 2014-07-01 Amazon Technologies, Inc. Techniques for delegation of access privileges
US9197409B2 (en) 2011-09-29 2015-11-24 Amazon Technologies, Inc. Key derivation techniques
US9203613B2 (en) 2011-09-29 2015-12-01 Amazon Technologies, Inc. Techniques for client constructed sessions
US9178701B2 (en) 2011-09-29 2015-11-03 Amazon Technologies, Inc. Parameter based key derivation
US8892865B1 (en) 2012-03-27 2014-11-18 Amazon Technologies, Inc. Multiple authority key derivation
US8739308B1 (en) 2012-03-27 2014-05-27 Amazon Technologies, Inc. Source identification for unauthorized copies of content
US9215076B1 (en) 2012-03-27 2015-12-15 Amazon Technologies, Inc. Key generation for hierarchical data access
US9258118B1 (en) 2012-06-25 2016-02-09 Amazon Technologies, Inc. Decentralized verification in a distributed system
US9660972B1 (en) 2012-06-25 2017-05-23 Amazon Technologies, Inc. Protection from data security threats
US9407440B2 (en) 2013-06-20 2016-08-02 Amazon Technologies, Inc. Multiple authority data security and access
US9521000B1 (en) 2013-07-17 2016-12-13 Amazon Technologies, Inc. Complete forward access sessions
US9311500B2 (en) 2013-09-25 2016-04-12 Amazon Technologies, Inc. Data security using request-supplied keys
US9237019B2 (en) 2013-09-25 2016-01-12 Amazon Technologies, Inc. Resource locators with keys
US10243945B1 (en) 2013-10-28 2019-03-26 Amazon Technologies, Inc. Managed identity federation
US9420007B1 (en) 2013-12-04 2016-08-16 Amazon Technologies, Inc. Access control using impersonization
US9292711B1 (en) 2014-01-07 2016-03-22 Amazon Technologies, Inc. Hardware secret usage limits
US9374368B1 (en) 2014-01-07 2016-06-21 Amazon Technologies, Inc. Distributed passcode verification system
US9369461B1 (en) 2014-01-07 2016-06-14 Amazon Technologies, Inc. Passcode verification using hardware secrets
US9270662B1 (en) 2014-01-13 2016-02-23 Amazon Technologies, Inc. Adaptive client-aware session security
US10771255B1 (en) 2014-03-25 2020-09-08 Amazon Technologies, Inc. Authenticated storage operations
US9258117B1 (en) 2014-06-26 2016-02-09 Amazon Technologies, Inc. Mutual authentication with symmetric secrets and signatures
US10326597B1 (en) 2014-06-27 2019-06-18 Amazon Technologies, Inc. Dynamic response signing capability in a distributed system
US10122689B2 (en) 2015-06-16 2018-11-06 Amazon Technologies, Inc. Load balancing with handshake offload
US10122692B2 (en) 2015-06-16 2018-11-06 Amazon Technologies, Inc. Handshake offload
US10375030B2 (en) * 2016-06-24 2019-08-06 Combined Conditional Access Development & Support Initialization encryption for streaming content
US10116440B1 (en) 2016-08-09 2018-10-30 Amazon Technologies, Inc. Cryptographic key management for imported cryptographic keys

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HRP970160A2 (en) * 1996-04-03 1998-02-28 Digco B V Method for providing a secure communication between two devices and application of this method
JP2000022680A (ja) * 1998-07-07 2000-01-21 Open Loop:Kk ディジタルコンテンツ流通方法及びコンテンツを再生可能に記録した記録媒体
US6611812B2 (en) * 1998-08-13 2003-08-26 International Business Machines Corporation Secure electronic content distribution on CDS and DVDs
KR100589092B1 (ko) * 1999-07-05 2006-06-13 산요덴키가부시키가이샤 정보 배신 시스템, 배신 서버 및 휴대 통신 단말 및 배신 방법
WO2001011883A1 (en) * 1999-08-10 2001-02-15 Intel Corporation System and method for securely distributing content to groups of receivers
US6789188B1 (en) * 2000-02-07 2004-09-07 Koninklijke Philips Electronics N.V. Methods and apparatus for secure content distribution
JP2001312639A (ja) * 2000-02-24 2001-11-09 Nippon Telegr & Teleph Corp <Ntt> コンテンツ流通方法及びシステム及びコンテンツ流通プログラムを格納した記憶媒体及びサービス予約券流通方法及びシステム及びサービス予約券流通プログラムを格納した記憶媒体
JP3281920B2 (ja) * 2000-03-14 2002-05-13 東北大学長 アリルフラン化合物の製造方法
EP2955652A1 (en) * 2000-06-16 2015-12-16 MIH Technology Holdings BV Methods and systems to distribute content via a network utilizing distributed conditional access agents and secure agents, and to perform digital rights management (drm)
US6507727B1 (en) * 2000-10-13 2003-01-14 Robert F. Henrick Purchase and delivery of digital content using multiple devices and data networks
JP4269023B2 (ja) * 2000-11-29 2009-05-27 株式会社ウィルコム コンテンツプレゼント管理装置、コンテンツプレゼント管理システム
FR2818062B1 (fr) * 2000-12-07 2003-04-11 Thomson Multimedia Sa Methode de transmission securisee de donnees numeriques d'une source vers un recepteur
JP2002271316A (ja) * 2001-03-13 2002-09-20 Sanyo Electric Co Ltd 再生装置
SE0101295D0 (sv) * 2001-04-10 2001-04-10 Ericsson Telefon Ab L M A method and network for delivering streaming data
FR2824212A1 (fr) * 2001-04-25 2002-10-31 Thomson Licensing Sa Procede de gestion d'une cle symetrique dans un reseau de communication et dispositifs pour la mise en oeuvre
JP2003037588A (ja) * 2001-07-26 2003-02-07 Nippon Telegr & Teleph Corp <Ntt> デジタルコンテンツ予約配送方法及びシステムと、予約装置、ダウンロード装置及びユーザー情報管理装置
JP4186466B2 (ja) * 2002-01-16 2008-11-26 ソニー株式会社 コンテンツ配信システム、コンテンツ配信方法、および情報処理装置、並びにコンピュータ・プログラム
US7020636B2 (en) * 2002-09-05 2006-03-28 Matsushita Electric Industrial, Co., Ltd. Storage-medium rental system

Also Published As

Publication number Publication date
MXPA06001649A (es) 2006-07-03
DE602004005219D1 (de) 2007-04-19
EP1661355B1 (en) 2007-03-07
JP4690321B2 (ja) 2011-06-01
DE602004005219T2 (de) 2007-06-28
KR20060069455A (ko) 2006-06-21
KR101109144B1 (ko) 2012-03-08
CN1868187B (zh) 2010-06-16
MY137892A (en) 2009-03-31
JP2007502576A (ja) 2007-02-08
US20070033396A1 (en) 2007-02-08
EP1661355A1 (en) 2006-05-31
CN1868187A (zh) 2006-11-22
WO2005020541A1 (en) 2005-03-03

Similar Documents

Publication Publication Date Title
BRPI0413462A (pt) método e dispositivo para proteger distribuição de conteúdo por uma rede de comunicação por meio de chaves de conteúdo
BRPI0417840A (pt) sistema, método e dispositivos para autenticação em uma rede de área local sem fio (wlan)
TW200507578A (en) Authorized receiving client, authorized transmission server, authorized receiving method, and authorized receiving program
AU780325C (en) Information processing system and method
TW200509637A (en) Method to create and manage a local network
BRPI0412397A (pt) equipamento e método para um sistema de broadcast seguro
EP1363424A3 (en) Authentication method and system encrypting a ticket with an symmetric key, said symmetric key being encrypted with an asymmetric key
WO2006023151A3 (en) Method of delivering direct proof private keys to devices using an on-line service
WO2007092588A3 (en) Secure digital content management using mutating identifiers
WO2008105779A3 (en) Secure id checking
WO2008054456A3 (en) Hardware-facilitated secure software execution environment
CA2267395A1 (en) Method and system for managing keys for encrypted data
WO2004082201A8 (en) Protected return path from digital rights management dongle
BRPI0700267A (pt) método de comunicação entre um roteador e um hospedeiro, roteador para comunicação com um hospedeiro, e, hospedeiro para comunicação com um roteador
ZA972786B (en) Method for providing a secure communication between two devices and application of this method.
BRPI0607459A2 (pt) sistema de gerenciamento de chaves para cinema digital
GB0403097D0 (en) Limiting service provision to group members
WO2003032126A3 (en) Multi-factor authentication system
AU2003261069A8 (en) Encryption, authentication, and key management for multimedia content pre-encryption
AU2002252288A1 (en) Method and apparatus for cryptographic key storage wherein key servers are authenticated by possession and secure distribution of stored keys
MXPA03007737A (es) Distribucion segura de claves de encriptacion.
WO2003054662A3 (en) A system and method for preventing unauthorized use of protected software utilizing a portable security device
GB2430525A (en) Electronic lock system and method for providing access thereto
WO2002011358A3 (en) Method and apparatus for securely providing billable multicast data
IL160831A0 (en) Method for data broadcast between a local server and local peripherals

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2259 DE 22/04/2014.