PL2567500T3 - Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnik zapisu i serwer słów kontrolnych do realizacji tych sposobów - Google Patents

Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnik zapisu i serwer słów kontrolnych do realizacji tych sposobów

Info

Publication number
PL2567500T3
PL2567500T3 PL11716949T PL11716949T PL2567500T3 PL 2567500 T3 PL2567500 T3 PL 2567500T3 PL 11716949 T PL11716949 T PL 11716949T PL 11716949 T PL11716949 T PL 11716949T PL 2567500 T3 PL2567500 T3 PL 2567500T3
Authority
PL
Poland
Prior art keywords
decryption
reception
server
transmission
recording medium
Prior art date
Application number
PL11716949T
Other languages
English (en)
Inventor
Gilles Dubroeucq
Erwann Magis
Original Assignee
Viaccess
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 Viaccess filed Critical Viaccess
Publication of PL2567500T3 publication Critical patent/PL2567500T3/pl

Links

Classifications

    • 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)
    • H04L9/083—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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • 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
    • 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
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • 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
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Computer And Data Communications (AREA)
PL11716949T 2010-05-04 2011-05-03 Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnik zapisu i serwer słów kontrolnych do realizacji tych sposobów PL2567500T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1053467A FR2959905B1 (fr) 2010-05-04 2010-05-04 Procede de dechiffrement,de transmission et de reception de mots de controle, support d'enregistrement et serveur de mots de controle pour la mise en oeuvre de ces procedes

Publications (1)

Publication Number Publication Date
PL2567500T3 true PL2567500T3 (pl) 2017-09-29

Family

ID=42937403

Family Applications (1)

Application Number Title Priority Date Filing Date
PL11716949T PL2567500T3 (pl) 2010-05-04 2011-05-03 Sposoby deszyfrowania, przesyłania i odbioru słów kontrolnych, nośnik zapisu i serwer słów kontrolnych do realizacji tych sposobów

Country Status (8)

Country Link
US (1) US8804965B2 (pl)
EP (1) EP2567500B1 (pl)
ES (1) ES2627916T3 (pl)
FR (1) FR2959905B1 (pl)
PL (1) PL2567500T3 (pl)
RU (1) RU2541190C2 (pl)
TW (1) TWI477133B (pl)
WO (1) WO2011138333A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2958103B1 (fr) * 2010-03-23 2012-08-17 Cryptoexperts Sas Procede pour identifier un dispositif mis en oeuvre par un terminal pirate et dispositif associe
FR2978848B1 (fr) * 2011-08-02 2013-08-30 Viaccess Sa Procede de lissage de la charge de travail d'un serveur
EP2587827A1 (en) * 2011-10-31 2013-05-01 Nagravision S.A. Method and hybrid multimedia unit for descrambling a digital broadcast transport stream
FR3009634B1 (fr) 2013-08-09 2015-08-21 Viaccess Sa Procede de fourniture d'une licence dans un systeme de fourniture de contenus multimedias
FR3044442B1 (fr) * 2015-11-27 2018-02-09 Viaccess Procede d’identification de processeurs de securite.
US9713070B1 (en) * 2016-08-18 2017-07-18 Cisco Technology, Inc. Regional conditional access
FR3083660B1 (fr) 2018-07-04 2020-12-04 Viaccess Sa Procede d'obtention d'une succession de cles cryptographiques

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6898285B1 (en) * 2000-06-02 2005-05-24 General Instrument Corporation System to deliver encrypted access control information to support interoperability between digital information processing/control equipment
US20040083177A1 (en) * 2002-10-29 2004-04-29 General Instrument Corporation Method and apparatus for pre-encrypting VOD material with a changing cryptographic key
EP1742475A1 (fr) * 2005-07-07 2007-01-10 Nagravision S.A. Méthode de contrôle d'accès à des données chiffrées
FR2894757B1 (fr) * 2005-12-13 2008-05-09 Viaccess Sa Procede de controle d'acces a un contenu embrouille
US20080019517A1 (en) * 2006-04-06 2008-01-24 Peter Munguia Control work key store for multiple data streams
FR2905215B1 (fr) * 2006-08-23 2009-01-09 Viaccess Sa Procede de transmission d'une donnee complementaire a un terminal de reception
US20080137850A1 (en) * 2006-12-07 2008-06-12 Rajesh Mamidwar Method and system for a generic key packet for mpeg-2 transport scrambling
US8396222B2 (en) * 2008-03-10 2013-03-12 Nds Limited Key distribution system

Also Published As

Publication number Publication date
RU2541190C2 (ru) 2015-02-10
RU2012151859A (ru) 2014-06-10
TWI477133B (zh) 2015-03-11
WO2011138333A1 (fr) 2011-11-10
FR2959905A1 (fr) 2011-11-11
US20130046969A1 (en) 2013-02-21
EP2567500B1 (fr) 2017-04-19
FR2959905B1 (fr) 2012-07-27
ES2627916T3 (es) 2017-08-01
TW201203990A (en) 2012-01-16
US8804965B2 (en) 2014-08-12
EP2567500A1 (fr) 2013-03-13

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