JP4723141B2 - データ分配 - Google Patents

データ分配 Download PDF

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Publication number
JP4723141B2
JP4723141B2 JP2001512739A JP2001512739A JP4723141B2 JP 4723141 B2 JP4723141 B2 JP 4723141B2 JP 2001512739 A JP2001512739 A JP 2001512739A JP 2001512739 A JP2001512739 A JP 2001512739A JP 4723141 B2 JP4723141 B2 JP 4723141B2
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JP
Japan
Prior art keywords
key
seed
value
sequence
blind
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.)
Expired - Lifetime
Application number
JP2001512739A
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English (en)
Japanese (ja)
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JP2003505978A5 (enExample
JP2003505978A (ja
Inventor
ブリスコー、ロバート・ジョン
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British Telecommunications PLC
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British Telecommunications PLC
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
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Publication of JP2003505978A publication Critical patent/JP2003505978A/ja
Publication of JP2003505978A5 publication Critical patent/JP2003505978A5/ja
Application granted granted Critical
Publication of JP4723141B2 publication Critical patent/JP4723141B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0272—Virtual private networks
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2001512739A 1999-07-23 2000-07-20 データ分配 Expired - Lifetime JP4723141B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99305870A EP1075108A1 (en) 1999-07-23 1999-07-23 Cryptographic data distribution
EP99305870.0 1999-07-23
PCT/GB2000/002813 WO2001008348A1 (en) 1999-07-23 2000-07-20 Data distribution

Publications (3)

Publication Number Publication Date
JP2003505978A JP2003505978A (ja) 2003-02-12
JP2003505978A5 JP2003505978A5 (enExample) 2007-08-30
JP4723141B2 true JP4723141B2 (ja) 2011-07-13

Family

ID=8241539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001512739A Expired - Lifetime JP4723141B2 (ja) 1999-07-23 2000-07-20 データ分配

Country Status (9)

Country Link
US (1) US7212634B2 (enExample)
EP (2) EP1075108A1 (enExample)
JP (1) JP4723141B2 (enExample)
KR (1) KR20020026547A (enExample)
CN (1) CN1238989C (enExample)
AU (1) AU6005600A (enExample)
CA (1) CA2379578C (enExample)
IL (1) IL147549A0 (enExample)
WO (1) WO2001008348A1 (enExample)

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Also Published As

Publication number Publication date
EP1197031A1 (en) 2002-04-17
WO2001008348A1 (en) 2001-02-01
EP1197031B1 (en) 2014-10-01
CN1238989C (zh) 2006-01-25
JP2003505978A (ja) 2003-02-12
US7212634B2 (en) 2007-05-01
KR20020026547A (ko) 2002-04-10
US20030044017A1 (en) 2003-03-06
EP1075108A1 (en) 2001-02-07
CN1408153A (zh) 2003-04-02
AU6005600A (en) 2001-02-13
CA2379578C (en) 2009-11-24
CA2379578A1 (en) 2001-02-01
IL147549A0 (en) 2002-08-14

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