WO2001043335A3 - Synchronization of session keys - Google Patents

Synchronization of session keys Download PDF

Info

Publication number
WO2001043335A3
WO2001043335A3 PCT/EP2000/012249 EP0012249W WO0143335A3 WO 2001043335 A3 WO2001043335 A3 WO 2001043335A3 EP 0012249 W EP0012249 W EP 0012249W WO 0143335 A3 WO0143335 A3 WO 0143335A3
Authority
WO
WIPO (PCT)
Prior art keywords
key
check block
session
sink device
packet
Prior art date
Application number
PCT/EP2000/012249
Other languages
French (fr)
Other versions
WO2001043335A2 (en
Inventor
Antonius A M Staring
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Priority to JP2001542922A priority Critical patent/JP2003516658A/en
Priority to KR1020017010136A priority patent/KR20010102046A/en
Priority to DE60027046T priority patent/DE60027046T2/en
Priority to BR0008094-2A priority patent/BR0008094A/en
Priority to EP00981342A priority patent/EP1188270B1/en
Publication of WO2001043335A2 publication Critical patent/WO2001043335A2/en
Publication of WO2001043335A3 publication Critical patent/WO2001043335A3/en

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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40071—Packet processing; Packet format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40104—Security; Encryption; Content protection
    • 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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation

Abstract

In a communication system for a secure transfer of information from a source device to a sink device in a communication session in the form of a plurality of packets from the source device to the sink device, a packet structure is used with a key check block field. During the session, the source device can change the session key used to encrypt data (including the key check block) in the packet. The sink device detects a change of session key by decrypting only the key check block field with a plurality of candidate keys. The key that gave a valid decryption is used for decrypting the remainder of the packet. By including a separate key check block, the sink device needs no a-priori knowledge of the encrypted data. Moreover, the key check block can be relatively short, so that only a part of the encrypted information needs to be decrypted under control of more than one key.
PCT/EP2000/012249 1999-12-10 2000-12-05 Synchronization of session keys WO2001043335A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001542922A JP2003516658A (en) 1999-12-10 2000-12-05 Synchronizing session keys
KR1020017010136A KR20010102046A (en) 1999-12-10 2000-12-05 Synchronization of session keys
DE60027046T DE60027046T2 (en) 1999-12-10 2000-12-05 SYNCHRONIZING SESSION KEYS
BR0008094-2A BR0008094A (en) 1999-12-10 2000-12-05 Secure communication system and process, deposit device for use in a secure communication system, process of detecting a change of a session key effected by means of a source device in the system in a deposit device in a secure communication system and product of computer program
EP00981342A EP1188270B1 (en) 1999-12-10 2000-12-05 Synchronization of session keys

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99204182.2 1999-12-10
EP99204182 1999-12-10

Publications (2)

Publication Number Publication Date
WO2001043335A2 WO2001043335A2 (en) 2001-06-14
WO2001043335A3 true WO2001043335A3 (en) 2002-01-10

Family

ID=8240981

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/012249 WO2001043335A2 (en) 1999-12-10 2000-12-05 Synchronization of session keys

Country Status (9)

Country Link
US (1) US7110546B2 (en)
EP (1) EP1188270B1 (en)
JP (1) JP2003516658A (en)
KR (1) KR20010102046A (en)
CN (1) CN1224211C (en)
BR (1) BR0008094A (en)
DE (1) DE60027046T2 (en)
TW (1) TW545023B (en)
WO (1) WO2001043335A2 (en)

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US7794322B2 (en) * 2001-09-28 2010-09-14 Igt System for awarding a bonus to a gaming device on a wide area network
US7281128B2 (en) * 2001-10-22 2007-10-09 Extended Systems, Inc. One pass security
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US7415605B2 (en) 2002-05-21 2008-08-19 Bio-Key International, Inc. Biometric identification network security
RU2320009C2 (en) * 2002-05-21 2008-03-20 Байо-Ки Интернэшнл, Инк. Systems and methods for protected biometric authentication
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US7706540B2 (en) * 2002-12-16 2010-04-27 Entriq, Inc. Content distribution using set of session keys
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JP2008504788A (en) * 2004-06-30 2008-02-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Method for selecting one of a large number of data sets registered in a device and corresponding device
US7936881B2 (en) * 2004-08-31 2011-05-03 Nortel Networks Limited Method and system for transmitting signaling information over a data transport network
US8775823B2 (en) * 2006-12-29 2014-07-08 Commvault Systems, Inc. System and method for encrypting secondary copies of data
US7830822B2 (en) * 2005-11-02 2010-11-09 Cisco Technology, Inc. System and method for performing key-based refresh of routing information
US20070140496A1 (en) * 2005-12-15 2007-06-21 Honeywell International Inc. Escrow compatible key generation
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JP4980785B2 (en) * 2007-05-09 2012-07-18 株式会社リコー Cryptographic communication device and cryptographic communication method
US8341459B2 (en) 2007-08-01 2012-12-25 Brocade Communications Systems, Inc. Data migration without interrupting host access and with data lock for write access requests such that held write access requests do not expire
WO2009029842A1 (en) 2007-08-31 2009-03-05 Exegy Incorporated Method and apparatus for hardware-accelerated encryption/decryption
US20090161873A1 (en) * 2007-12-19 2009-06-25 Frederic Simard Method and apparatus for key management in an end-to-end encryption system
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WO2010105246A2 (en) * 2009-03-12 2010-09-16 Exbiblio B.V. Accessing resources based on capturing information from a rendered document
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US9712566B2 (en) * 2012-02-10 2017-07-18 Empire Technology Development Llc Providing session identifiers
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Also Published As

Publication number Publication date
CN1224211C (en) 2005-10-19
JP2003516658A (en) 2003-05-13
BR0008094A (en) 2001-11-06
US20010007127A1 (en) 2001-07-05
KR20010102046A (en) 2001-11-15
DE60027046T2 (en) 2006-11-16
WO2001043335A2 (en) 2001-06-14
EP1188270B1 (en) 2006-03-29
CN1421080A (en) 2003-05-28
TW545023B (en) 2003-08-01
US7110546B2 (en) 2006-09-19
EP1188270A2 (en) 2002-03-20
DE60027046D1 (en) 2006-05-18

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