DE60305057D1 - Vereinfachtes verfahren zur symmetrischen schlüsselerneuerung in einem digitalen netzwerk - Google Patents

Vereinfachtes verfahren zur symmetrischen schlüsselerneuerung in einem digitalen netzwerk

Info

Publication number
DE60305057D1
DE60305057D1 DE60305057T DE60305057T DE60305057D1 DE 60305057 D1 DE60305057 D1 DE 60305057D1 DE 60305057 T DE60305057 T DE 60305057T DE 60305057 T DE60305057 T DE 60305057T DE 60305057 D1 DE60305057 D1 DE 60305057D1
Authority
DE
Germany
Prior art keywords
symmetric key
digital network
simplified method
key restoration
restoration
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.)
Expired - Lifetime
Application number
DE60305057T
Other languages
English (en)
Other versions
DE60305057T2 (de
Inventor
Alain Durand
Jean-Pierre Andreaux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 SAS filed Critical Thomson Licensing SAS
Publication of DE60305057D1 publication Critical patent/DE60305057D1/de
Application granted granted Critical
Publication of DE60305057T2 publication Critical patent/DE60305057T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L63/0435—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 symmetric encryption, i.e. same key used for encryption and decryption
    • 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
    • H04L63/0442—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 asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • 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]
    • H04N21/60—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
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE60305057T 2002-10-30 2003-10-30 Vereinfachtes verfahren zur symmetrischen schlüsselerneuerung in einem digitalen netzwerk Expired - Lifetime DE60305057T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0213982 2002-10-30
FR0213982 2002-10-30
PCT/FR2003/003250 WO2004043036A1 (fr) 2002-10-30 2003-10-30 Procede simplifie de renouvellement de cles symetriques dans un reseau numerique

Publications (2)

Publication Number Publication Date
DE60305057D1 true DE60305057D1 (de) 2006-06-08
DE60305057T2 DE60305057T2 (de) 2006-11-23

Family

ID=32309764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60305057T Expired - Lifetime DE60305057T2 (de) 2002-10-30 2003-10-30 Vereinfachtes verfahren zur symmetrischen schlüsselerneuerung in einem digitalen netzwerk

Country Status (6)

Country Link
US (1) US8369524B2 (de)
EP (1) EP1557025B1 (de)
CN (1) CN1703894A (de)
AU (2) AU2003292300A1 (de)
DE (1) DE60305057T2 (de)
WO (2) WO2004045184A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1683324B1 (de) * 2003-11-11 2018-03-28 Siemens Aktiengesellschaft Verfahren zur sicherung des datenverkehrs zwischen einem ersten endgerät und einem ersten netz sowie einem zweiten endgerät und einem zweiten netz
CN101064595B (zh) * 2006-04-27 2011-07-27 联想(北京)有限公司 一种计算机网络安全输入认证系统和方法
US8127135B2 (en) * 2006-09-28 2012-02-28 Hewlett-Packard Development Company, L.P. Changing of shared encryption key
FR2953672A1 (fr) * 2009-12-08 2011-06-10 France Telecom Procede de dechiffrement de donnees par un equipement utilisateur comportant un terminal et un module de securite
US8675864B2 (en) * 2010-09-14 2014-03-18 CompuGroup Medical AG Apparatus for encrypting data
US20150033251A1 (en) * 2013-07-26 2015-01-29 Electronics And Telecommunications Research Institute Network protocol for contents protection in digital cable broadcasting service and conditional access system using the protocol
CN104065669B (zh) * 2014-07-08 2017-03-01 浪潮（苏州）金融技术服务有限公司 一种空间网络加密方法
CN104917753B (zh) * 2015-05-04 2018-07-10 北京奇艺世纪科技有限公司 一种基于对称密钥进行通信的方法和系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159634A (en) * 1991-09-13 1992-10-27 At&T Bell Laboratories Cryptosystem for cellular telephony
US5224166A (en) * 1992-08-11 1993-06-29 International Business Machines Corporation System for seamless processing of encrypted and non-encrypted data and instructions
WO1995008885A1 (en) * 1993-09-20 1995-03-30 International Business Machines Corporation System and method for changing the key or password in a secure distributed communications network
US5475826A (en) * 1993-11-19 1995-12-12 Fischer; Addison M. Method for protecting a volatile file using a single hash
US5535276A (en) * 1994-11-09 1996-07-09 Bell Atlantic Network Services, Inc. Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
JP2812312B2 (ja) * 1996-01-12 1998-10-22 三菱電機株式会社 暗号化システム
US5870475A (en) * 1996-01-19 1999-02-09 Northern Telecom Limited Facilitating secure communications in a distribution network
US6041123A (en) * 1996-07-01 2000-03-21 Allsoft Distributing Incorporated Centralized secure communications system
FR2755809B1 (fr) * 1996-11-13 1999-05-28 Thomson Multimedia Sa Procede de protection d'information transmise d'un element de securite vers un decodeur et systeme de protection utilisant un tel procede
JP3565715B2 (ja) * 1998-07-02 2004-09-15 松下電器産業株式会社 放送システムと放送送受信装置
JP4216475B2 (ja) * 1998-07-02 2009-01-28 クリプターグラフィー リサーチ インコーポレイテッド 漏洩抵抗力を有する暗号索引付き鍵の更新方法及びデバイス
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
US20030053629A1 (en) * 2001-09-14 2003-03-20 Koninklijke Philips Electronics N.V. USB authentication interface
US7370350B1 (en) * 2002-06-27 2008-05-06 Cisco Technology, Inc. Method and apparatus for re-authenticating computing devices
US7475241B2 (en) * 2002-11-22 2009-01-06 Cisco Technology, Inc. Methods and apparatus for dynamic session key generation and rekeying in mobile IP

Also Published As

Publication number Publication date
EP1557025A1 (de) 2005-07-27
US20060104440A1 (en) 2006-05-18
WO2004043036A1 (fr) 2004-05-21
US8369524B2 (en) 2013-02-05
AU2003292300A1 (en) 2004-06-07
WO2004045184A1 (fr) 2004-05-27
AU2003292299A1 (en) 2004-06-03
EP1557025B1 (de) 2006-05-03
DE60305057T2 (de) 2006-11-23
CN1703894A (zh) 2005-11-30

Similar Documents

Publication Publication Date Title
DE602004014649D1 (de) Verfahren zur Authentifizierung in einem Kommunikationssystem
DE602004002802D1 (de) Verfahren zur verringerung der stromaufnahme in einem drahtlosen mehrstreckenkommunikationsnetz mit mehreren knoten
DE602004019870D1 (de) Systeme und Verfahren zur Authentifizierung von Übertragungen in einem Netzwerk
DE602004010300D1 (de) System und verfahren zur erzeugung eines digitalen zertifikats
DE602005006036D1 (de) System und Verfahren zur Bereitstellung von Weglenkungsinformation in einem Maschennetzwerk
DE60306971D1 (de) System und Verfahren zur Lokalisierung von Geräten in einem Netzwerk
DE60315853D1 (de) Verfahren zur Entschlüsselung einer Nachricht
DE60138344D1 (de) Verfahren zur Mutagenese
DE50211829D1 (de) Verfahren für einen automatischen rückruf in einem paketorientierten netzwerk
DE10393672D2 (de) Verfahren zur Bereitstellung von Ressourchen in Kommunikations-Netzwerken
DE60233631D1 (de) Verfahren für eine Kommunikation in einem Netzwerk
DE602004026533D1 (de) Verfahren zur Datenübertragung in einem Mehrnormensnetzwerk
DE60305057D1 (de) Vereinfachtes verfahren zur symmetrischen schlüsselerneuerung in einem digitalen netzwerk
DE60109934D1 (de) Verfahren zur Bereitstellung von Diensten in einem Kommunikationsnetzwerk
DE502004002417D1 (de) Verfahren zur Konfiguration einer Einrichtung in einem Datennetz
DE50304571D1 (de) Verfahren zum Überwachen von Teilnehmerdiensten in einem Telekommunikationsnetz
DE60334041D1 (de) Verfahren zur Bandbreite-Zuteilung in einem Punkt-zu-Mehrpunkt Nachrichtenübertragungssystem
DE60138543D1 (de) Verfahren zur berechnung der optischen wegverteilung in einem streuenden absorbierer
DE502004011700D1 (de) Verfahren zur codierung eines strukturierten dokuments
DE50308724D1 (de) Verfahren zur Integration eines paketorientierten Netzwerks in ein Kommunikationssystem
DE50211915D1 (de) Anordnung und Verfahren zur Optimierung der Verkehrsbelastung in einem Telekommunikations und/oder Datennetz
DE502004002809D1 (de) Verfahren zur laststeuerung in einem paketdatennetz
DE50312181D1 (de) Verfahren zur datenverkehrssicherung in einer mobilen netzumgebung
DE602004004125D1 (de) Verfahren zur unzweideutigen übertragungsausnahme telemetriedaten in einem netzwerk
DE502005004753D1 (de) Verfahren zur bestimmung eines leitenden teilnehmers in einem netzwerk

Legal Events

Date Code Title Description
8364 No opposition during term of opposition