SE521906C2 - Metod och anordning för kryptering av multimediainnehåll - Google Patents

Metod och anordning för kryptering av multimediainnehåll

Info

Publication number
SE521906C2
SE521906C2 SE0103623A SE0103623A SE521906C2 SE 521906 C2 SE521906 C2 SE 521906C2 SE 0103623 A SE0103623 A SE 0103623A SE 0103623 A SE0103623 A SE 0103623A SE 521906 C2 SE521906 C2 SE 521906C2
Authority
SE
Sweden
Prior art keywords
encryption
packets
encrypted
client
multimedia stream
Prior art date
Application number
SE0103623A
Other languages
English (en)
Swedish (sv)
Other versions
SE0103623L (sv
SE0103623D0 (sv
Inventor
Henrik Carlsson
Dag Helstad
Christer Oesterlind
Tomas Sparr
Original Assignee
Kreatel Comm Ab
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 Kreatel Comm Ab filed Critical Kreatel Comm Ab
Priority to SE0103623A priority Critical patent/SE521906C2/sv
Publication of SE0103623D0 publication Critical patent/SE0103623D0/xx
Priority to PCT/SE2002/001830 priority patent/WO2003039067A1/fr
Publication of SE0103623L publication Critical patent/SE0103623L/
Publication of SE521906C2 publication Critical patent/SE521906C2/sv

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
    • 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
    • H04L2209/76—Proxy, i.e. using intermediary entity to perform cryptographic operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
SE0103623A 2001-11-01 2001-11-01 Metod och anordning för kryptering av multimediainnehåll SE521906C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE0103623A SE521906C2 (sv) 2001-11-01 2001-11-01 Metod och anordning för kryptering av multimediainnehåll
PCT/SE2002/001830 WO2003039067A1 (fr) 2001-11-01 2002-10-09 Procede et appareil pour le chiffrement de paquets de trains de donnees multimedia, dynamiquement ou statiquement au moyen d'un mandataire et d'un pre-processeur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0103623A SE521906C2 (sv) 2001-11-01 2001-11-01 Metod och anordning för kryptering av multimediainnehåll

Publications (3)

Publication Number Publication Date
SE0103623D0 SE0103623D0 (sv) 2001-11-01
SE0103623L SE0103623L (sv) 2003-05-02
SE521906C2 true SE521906C2 (sv) 2003-12-16

Family

ID=20285829

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0103623A SE521906C2 (sv) 2001-11-01 2001-11-01 Metod och anordning för kryptering av multimediainnehåll

Country Status (2)

Country Link
SE (1) SE521906C2 (fr)
WO (1) WO2003039067A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6055314A (en) * 1996-03-22 2000-04-25 Microsoft Corporation System and method for secure purchase and delivery of video content programs
CN100534180C (zh) * 1998-03-16 2009-08-26 联信技术公司 用于连续控制和保护媒体内容的方法和装置
WO2000048375A1 (fr) * 1999-02-11 2000-08-17 Loudeye Technologies, Inc. Systeme de distribution de media
WO2000064111A1 (fr) * 1999-04-16 2000-10-26 Unifree, L.L.C. Distribution de fichiers multimedia au moyen de protocoles de transmission adaptatifs
ATE322779T1 (de) * 1999-12-21 2006-04-15 Contentguard Holdings Inc Verfahren und vorrichtung zum kryptographischen datenschutz

Also Published As

Publication number Publication date
SE0103623L (sv) 2003-05-02
SE0103623D0 (sv) 2001-11-01
WO2003039067A1 (fr) 2003-05-08

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Legal Events

Date Code Title Description
NUG Patent has lapsed