AU2002212977A1 - Threshold cryptography scheme for message authentication systems - Google Patents

Threshold cryptography scheme for message authentication systems

Info

Publication number
AU2002212977A1
AU2002212977A1 AU2002212977A AU1297702A AU2002212977A1 AU 2002212977 A1 AU2002212977 A1 AU 2002212977A1 AU 2002212977 A AU2002212977 A AU 2002212977A AU 1297702 A AU1297702 A AU 1297702A AU 2002212977 A1 AU2002212977 A1 AU 2002212977A1
Authority
AU
Australia
Prior art keywords
message authentication
authentication systems
cryptography scheme
threshold cryptography
threshold
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.)
Abandoned
Application number
AU2002212977A
Inventor
Ahmet Mursit Eskicioglu
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 AU2002212977A1 publication Critical patent/AU2002212977A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • 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
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25816—Management of client data involving client authentication
    • 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
AU2002212977A 2000-11-29 2001-09-24 Threshold cryptography scheme for message authentication systems Abandoned AU2002212977A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25378100P 2000-11-29 2000-11-29
US60/253,781 2000-11-29
PCT/US2001/029842 WO2002045340A2 (en) 2000-11-29 2001-09-24 Threshold cryptography scheme for message authentication systems

Publications (1)

Publication Number Publication Date
AU2002212977A1 true AU2002212977A1 (en) 2002-06-11

Family

ID=22961673

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2002212977A Abandoned AU2002212977A1 (en) 2000-11-29 2001-09-24 Threshold cryptography scheme for message authentication systems
AU2001296294A Abandoned AU2001296294A1 (en) 2000-11-29 2001-09-24 Threshold cryptography scheme for conditional access systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU2001296294A Abandoned AU2001296294A1 (en) 2000-11-29 2001-09-24 Threshold cryptography scheme for conditional access systems

Country Status (8)

Country Link
EP (2) EP1348276A2 (en)
JP (2) JP2004515160A (en)
KR (2) KR20030094217A (en)
CN (2) CN1484901A (en)
AU (2) AU2002212977A1 (en)
BR (2) BR0115575A (en)
MX (2) MXPA03004822A (en)
WO (2) WO2002045337A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7594275B2 (en) * 2003-10-14 2009-09-22 Microsoft Corporation Digital rights management system
US7620187B1 (en) 2005-03-30 2009-11-17 Rockwell Collins, Inc. Method and apparatus for ad hoc cryptographic key transfer
US7999685B2 (en) * 2005-06-08 2011-08-16 Koninklijke Philips Electronics N.V. Deterministic key pre-distribution and operational key management for moblie body sensor networks
JP4776378B2 (en) * 2006-01-11 2011-09-21 日本電信電話株式会社 MULTI-KEY AUTHENTICATION TERMINAL DEVICE, MULTI-KEY AUTHENTICATION MANAGEMENT DEVICE, MULTI-KEY AUTHENTICATION SYSTEM, AND PROGRAM
JP4916915B2 (en) * 2007-02-28 2012-04-18 Ｋｄｄｉ株式会社 Terminal device, data management device, and computer program
JP4909796B2 (en) * 2007-04-24 2012-04-04 Ｋｄｄｉ株式会社 Secret information management system, secret information management method and program
GB2451505A (en) 2007-08-01 2009-02-04 Iti Scotland Ltd Key distribution in a network using key shares in a secret sharing scheme
US7958354B1 (en) 2008-02-14 2011-06-07 Rockwell Collins, Inc. High-order knowledge sharing system to distribute secret data
JP2008167505A (en) * 2008-03-26 2008-07-17 Dainippon Printing Co Ltd Public key encryption processing system and method
JP5608509B2 (en) * 2010-10-21 2014-10-15 Ｋｄｄｉ株式会社 Key management system, key management method, and computer program
US11170094B2 (en) 2016-01-27 2021-11-09 Secret Double Octopus Ltd. System and method for securing a communication channel
WO2017130200A1 (en) * 2016-01-27 2017-08-03 Secret Double Octopus Ltd System and method for securing a communication channel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7610614B1 (en) * 1999-02-17 2009-10-27 Certco, Inc. Cryptographic control and maintenance of organizational structure and functions

Also Published As

Publication number Publication date
MXPA03004822A (en) 2003-09-25
KR20030094217A (en) 2003-12-11
JP2004515160A (en) 2004-05-20
CN1484901A (en) 2004-03-24
EP1348276A2 (en) 2003-10-01
WO2002045337A3 (en) 2002-09-06
BR0115573A (en) 2003-07-29
JP2004515159A (en) 2004-05-20
WO2002045337A2 (en) 2002-06-06
CN1483259A (en) 2004-03-17
WO2002045340A2 (en) 2002-06-06
AU2001296294A1 (en) 2002-06-11
WO2002045340A3 (en) 2002-10-17
EP1366594A2 (en) 2003-12-03
KR20040010565A (en) 2004-01-31
BR0115575A (en) 2003-07-29
MXPA03004599A (en) 2003-09-04

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