TW200633456A - Broadcast encryption with dual size trees - Google Patents

Broadcast encryption with dual size trees

Info

Publication number
TW200633456A
TW200633456A TW094140867A TW94140867A TW200633456A TW 200633456 A TW200633456 A TW 200633456A TW 094140867 A TW094140867 A TW 094140867A TW 94140867 A TW94140867 A TW 94140867A TW 200633456 A TW200633456 A TW 200633456A
Authority
TW
Taiwan
Prior art keywords
keys
broadcast encryption
extended
key
link
Prior art date
Application number
TW094140867A
Other languages
English (en)
Inventor
Jeffrey Bruce Lotspiech
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of TW200633456A publication Critical patent/TW200633456A/zh

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
    • H04L9/0891—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
    • H04L2209/601—Broadcast encryption

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)
  • Storage Device Security (AREA)
TW094140867A 2004-11-24 2005-11-21 Broadcast encryption with dual size trees TW200633456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/904,735 US8090105B2 (en) 2004-11-24 2004-11-24 Broadcast encryption with dual tree sizes

Publications (1)

Publication Number Publication Date
TW200633456A true TW200633456A (en) 2006-09-16

Family

ID=35457611

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094140867A TW200633456A (en) 2004-11-24 2005-11-21 Broadcast encryption with dual size trees

Country Status (3)

Country Link
US (1) US8090105B2 (zh)
TW (1) TW200633456A (zh)
WO (1) WO2006056549A2 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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US9520993B2 (en) * 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
US9729316B2 (en) * 2008-02-27 2017-08-08 International Business Machines Corporation Unified broadcast encryption system
KR20140028342A (ko) * 2012-08-28 2014-03-10 삼성전자주식회사 브로드캐스트 암호화를 위한 키 관리 방법 및 브로드캐스트 암호화를 이용한 메시지 전송 방법
US9306743B2 (en) 2012-08-30 2016-04-05 Texas Instruments Incorporated One-way key fob and vehicle pairing verification, retention, and revocation
US9680646B2 (en) * 2015-02-05 2017-06-13 Apple Inc. Relay service for communication between controllers and accessories
US10467384B2 (en) 2016-05-18 2019-11-05 International Business Machines Corporation Subset-difference broadcast encryption with blacklisting

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US6307936B1 (en) * 1997-09-16 2001-10-23 Safenet, Inc. Cryptographic key management scheme
US6118873A (en) * 1998-04-24 2000-09-12 International Business Machines Corporation System for encrypting broadcast programs in the presence of compromised receiver devices
US6735312B1 (en) * 1999-05-11 2004-05-11 Lucent Technologies Inc. Cryptographic method for restricting access to transmitted programming content using ƒ-redundant establishment key combinations
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US6751634B1 (en) * 1999-08-26 2004-06-15 Microsoft Corporation Method and system for detecting object inconsistency in a loosely consistent replicated directory service
JP2001352321A (ja) * 2000-04-06 2001-12-21 Sony Corp 情報処理システム、情報処理方法、および情報記録媒体、並びにプログラム提供媒体
JP2001358707A (ja) * 2000-06-15 2001-12-26 Sony Corp 暗号鍵ブロックを用いた情報処理システムおよび情報処理方法、並びにプログラム提供媒体
US6956951B2 (en) * 2000-07-13 2005-10-18 Fujitsu Limited Extended key preparing apparatus, extended key preparing method, recording medium and computer program
JP4595182B2 (ja) * 2000-09-07 2010-12-08 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
US9520993B2 (en) * 2001-01-26 2016-12-13 International Business Machines Corporation Renewable traitor tracing
US7010125B2 (en) * 2001-01-26 2006-03-07 Interntional Business Machines Corporation Method for tracing traitor receivers in a broadcast encryption system
US7039803B2 (en) * 2001-01-26 2006-05-02 International Business Machines Corporation Method for broadcast encryption and key revocation of stateless receivers
US7043637B2 (en) * 2001-03-21 2006-05-09 Microsoft Corporation On-disk file format for a serverless distributed file system
MXPA02011835A (es) * 2001-03-29 2003-10-06 Matsushita Electric Ind Co Ltd Sistema de proteccion de datos que proteje datos al encriptar los datos.
MXPA04003933A (es) * 2001-10-26 2004-06-18 Matsushita Electric Ind Co Ltd Aparato de adminstracion de codigo.
AU2003226458A1 (en) * 2002-05-09 2003-11-11 Matsushita Electric Industrial Co., Ltd. Public key certificate revocation list generation apparatus, revocation judgement apparatus, and authentication system
KR100924773B1 (ko) * 2002-09-16 2009-11-03 삼성전자주식회사 메타데이터 암호화 및 복호화 방법과 암호화된 메타데이터관리 방법 및 그 시스템
JP2004140667A (ja) * 2002-10-18 2004-05-13 Canon Inc 情報処理方法
JP4543927B2 (ja) * 2002-11-20 2010-09-15 ソニー株式会社 記録システムおよび方法、記録装置および方法、入力装置および方法、出力装置および方法、再生システムおよび方法、再生装置および方法、記録媒体、並びにプログラム
US7451310B2 (en) * 2002-12-02 2008-11-11 International Business Machines Corporation Parallelizable authentication tree for random access storage
JP2004242287A (ja) * 2003-01-14 2004-08-26 Canon Inc 情報処理方法及び装置、並びにコンピュータプログラム及びコンピュータ可読記憶媒体
GB2400526B (en) * 2003-04-08 2005-12-21 Hewlett Packard Development Co Cryptographic key update management
US7584466B1 (en) * 2003-06-16 2009-09-01 Hewlett-Packard Development Company, L.P. Management tree management in a mobile handset
JP3817249B2 (ja) * 2004-04-28 2006-09-06 株式会社エヌ・ティ・ティ・ドコモ 移動機、及び、通信制御方法
US7721085B1 (en) * 2004-09-21 2010-05-18 Hewlett-Packard Development Company, L.P. Encryption of hierarchically structured information
KR100636228B1 (ko) * 2005-02-07 2006-10-19 삼성전자주식회사 계층적인 노드 토폴로지를 이용한 키 관리 방법 및 이를이용한 사용자 등록 및 등록해제 방법
JP2008103936A (ja) * 2006-10-18 2008-05-01 Toshiba Corp 秘密情報管理装置および秘密情報管理システム

Also Published As

Publication number Publication date
US8090105B2 (en) 2012-01-03
US20060109985A1 (en) 2006-05-25
WO2006056549A3 (en) 2007-02-22
WO2006056549A2 (en) 2006-06-01

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