EP1847066A4 - Key management method using hierarchical node topology, and method of registering and deregistering user using the same - Google Patents

Key management method using hierarchical node topology, and method of registering and deregistering user using the same

Info

Publication number
EP1847066A4
EP1847066A4 EP06715877.4A EP06715877A EP1847066A4 EP 1847066 A4 EP1847066 A4 EP 1847066A4 EP 06715877 A EP06715877 A EP 06715877A EP 1847066 A4 EP1847066 A4 EP 1847066A4
Authority
EP
European Patent Office
Prior art keywords
registering
same
key management
node topology
hierarchical node
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.)
Withdrawn
Application number
EP06715877.4A
Other languages
German (de)
French (fr)
Other versions
EP1847066A1 (en
Inventor
Sung-Hyu Han
Bong-Seon Kim
Myung-Sun Kim
Young-Sun Yoon
Sun-Nam Lee
Jae-Heung Lee
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020050021845A external-priority patent/KR100636228B1/en
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1847066A1 publication Critical patent/EP1847066A1/en
Publication of EP1847066A4 publication Critical patent/EP1847066A4/en
Withdrawn legal-status Critical Current

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]
    • H04L9/0833—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] involving conference or group key
    • H04L9/0836—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] involving conference or group key using tree structure or hierarchical structure
    • 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
    • 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)
    • H04L9/0825—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 asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • 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
    • 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
    • H04L2209/603—Digital right managament [DRM]
EP06715877.4A 2005-02-07 2006-02-06 Key management method using hierarchical node topology, and method of registering and deregistering user using the same Withdrawn EP1847066A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US65012705P 2005-02-07 2005-02-07
KR1020050021845A KR100636228B1 (en) 2005-02-07 2005-03-16 Method for key-managing using hierarchical node topology and method for registering/deregistering a user using the same
PCT/KR2006/000425 WO2006083141A1 (en) 2005-02-07 2006-02-06 Key management method using hierarchical node topology, and method of registering and deregistering user using the same

Publications (2)

Publication Number Publication Date
EP1847066A1 EP1847066A1 (en) 2007-10-24
EP1847066A4 true EP1847066A4 (en) 2013-09-18

Family

ID=36777484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06715877.4A Withdrawn EP1847066A4 (en) 2005-02-07 2006-02-06 Key management method using hierarchical node topology, and method of registering and deregistering user using the same

Country Status (2)

Country Link
EP (1) EP1847066A4 (en)
WO (1) WO2006083141A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100765750B1 (en) * 2005-05-09 2007-10-15 삼성전자주식회사 Method and apparatus for encrypting/decrypting efficiently according to broadcast encryption scheme
US8601555B2 (en) * 2006-12-04 2013-12-03 Samsung Electronics Co., Ltd. System and method of providing domain management for content protection and security
US8104091B2 (en) 2008-03-07 2012-01-24 Samsung Electronics Co., Ltd. System and method for wireless communication network having proximity control based on authorization token
US8170931B2 (en) * 2008-10-28 2012-05-01 Dell Products L.P. Configuring user-customized services for networked devices
US9237310B2 (en) 2008-11-26 2016-01-12 Thomson Licensing Method and system digital for processing digital content according to a workflow
KR102213640B1 (en) 2013-09-23 2021-02-08 삼성전자주식회사 Apparatus and method for exporting information related to a home device of a user device in a home network system
EP3051745B1 (en) * 2013-09-23 2020-05-06 Samsung Electronics Co., Ltd. Security management method and security management device in home network system
JP6910894B2 (en) * 2017-09-01 2021-07-28 キヤノン株式会社 Information processing equipment, control methods, and programs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1083699A1 (en) * 1998-05-18 2001-03-14 Mitsubishi Materials Corporation Information sharing system
EP1235381A1 (en) * 2000-11-09 2002-08-28 Sony Corporation Information processing device, information processing method and program storage medium
WO2004023812A1 (en) * 2002-09-04 2004-03-18 Matsushita Electric Industrial Co., Ltd. Content distribution system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888801A (en) * 1988-05-02 1989-12-19 Motorola, Inc. Hierarchical key management system
JPH10198272A (en) * 1996-12-27 1998-07-31 Canon Inc Key managing method, ciphering system, and decentralized digital signature system with hierarchy
JP2001358707A (en) * 2000-06-15 2001-12-26 Sony Corp Information processing system and method using cryptographic key block and program providing medium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1083699A1 (en) * 1998-05-18 2001-03-14 Mitsubishi Materials Corporation Information sharing system
EP1235381A1 (en) * 2000-11-09 2002-08-28 Sony Corporation Information processing device, information processing method and program storage medium
WO2004023812A1 (en) * 2002-09-04 2004-03-18 Matsushita Electric Industrial Co., Ltd. Content distribution system
US20050228897A1 (en) * 2002-09-04 2005-10-13 Masaya Yamamoto Content distribution system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006083141A1 *

Also Published As

Publication number Publication date
WO2006083141A1 (en) 2006-08-10
EP1847066A1 (en) 2007-10-24

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Designated state(s): DE FR GB IT NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SAMSUNG ELECTRONICS CO., LTD.

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Effective date: 20130819

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