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 sameInfo
- 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- Withdrawn
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]
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)
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)
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)
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 |
-
2006
- 2006-02-06 EP EP06715877.4A patent/EP1847066A4/en not_active Withdrawn
- 2006-02-06 WO PCT/KR2006/000425 patent/WO2006083141A1/en active Application Filing
Patent Citations (4)
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)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20070518 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT NL |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT NL |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
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. |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20130819 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04L 9/08 20060101AFI20130812BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20161006 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170217 |