WO2002065650A3 - Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols - Google Patents

Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols Download PDF

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Publication number
WO2002065650A3
WO2002065650A3 PCT/US2002/003625 US0203625W WO02065650A3 WO 2002065650 A3 WO2002065650 A3 WO 2002065650A3 US 0203625 W US0203625 W US 0203625W WO 02065650 A3 WO02065650 A3 WO 02065650A3
Authority
WO
WIPO (PCT)
Prior art keywords
record
decryption
encryption
transmitted
data transmission
Prior art date
Application number
PCT/US2002/003625
Other languages
French (fr)
Other versions
WO2002065650A2 (en
Inventor
Marc D Vanheyningen
Roger D Erickson
Original Assignee
Aventail Corp
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 Aventail Corp filed Critical Aventail Corp
Priority to EP02703352A priority Critical patent/EP1362427A2/en
Priority to JP2002564846A priority patent/JP2004525558A/en
Priority to AU2002236978A priority patent/AU2002236978A1/en
Priority to CA002438180A priority patent/CA2438180A1/en
Publication of WO2002065650A2 publication Critical patent/WO2002065650A2/en
Publication of WO2002065650A3 publication Critical patent/WO2002065650A3/en

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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
    • H04L9/12—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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • 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
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0457—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption
    • 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
    • H04L63/12—Applying verification of the received information
    • 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
    • H04L63/16—Implementing security features at a particular protocol layer
    • H04L63/166—Implementing security features at a particular protocol layer at the transport layer
    • 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
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • 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
    • H04L2209/76—Proxy, i.e. using intermediary entity to perform cryptographic operations

Abstract

The invention provides a method and apparatus for transmitting data securely using an unreliable communication protocol, such as User Datagram Protocol. In one variation, the invention retains compatibility with conventional Secure Sockets Layer (SSL) and SOCKS protocols, such that secure UDP datagrams can be transmitted between a proxy server and a client computer in a manner analogous to conventional SOCKS processing. In contrast to conventional SSL processing, which relies on a guaranteed delivery service such as TCP and encrypts successive data records with reference to a previously-transmitted data record, encryption is performed using a nonce (504) that is embedded in each transmitted data record (507). This nonce acts both as an initialization vector for encryption/decryption of the record, and as a unique identifier to authenticate the record. Because decryption of any particular record does not rely on receipt of previously received data record, the scheme will operate over an unreliable communication protocol.
PCT/US2002/003625 2001-02-13 2002-02-08 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols WO2002065650A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02703352A EP1362427A2 (en) 2001-02-13 2002-02-08 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
JP2002564846A JP2004525558A (en) 2001-02-13 2002-02-08 Method and apparatus for providing reliable streaming data transmission utilizing an unreliable protocol
AU2002236978A AU2002236978A1 (en) 2001-02-13 2002-02-08 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols
CA002438180A CA2438180A1 (en) 2001-02-13 2002-02-08 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/783,146 2001-02-13
US09/783,146 US7360075B2 (en) 2001-02-12 2001-02-13 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols

Publications (2)

Publication Number Publication Date
WO2002065650A2 WO2002065650A2 (en) 2002-08-22
WO2002065650A3 true WO2002065650A3 (en) 2003-03-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/003625 WO2002065650A2 (en) 2001-02-13 2002-02-08 Method and apparatus for providing secure streaming data transmission facilities using unreliable protocols

Country Status (6)

Country Link
US (4) US7360075B2 (en)
EP (1) EP1362427A2 (en)
JP (1) JP2004525558A (en)
AU (1) AU2002236978A1 (en)
CA (1) CA2438180A1 (en)
WO (1) WO2002065650A2 (en)

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