WO2003107151A3 - A method of confirming a secure key exchange - Google Patents

A method of confirming a secure key exchange Download PDF

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Publication number
WO2003107151A3
WO2003107151A3 PCT/US2003/015359 US0315359W WO03107151A3 WO 2003107151 A3 WO2003107151 A3 WO 2003107151A3 US 0315359 W US0315359 W US 0315359W WO 03107151 A3 WO03107151 A3 WO 03107151A3
Authority
WO
WIPO (PCT)
Prior art keywords
components
key exchange
peripheral
confirming
secure key
Prior art date
Application number
PCT/US2003/015359
Other languages
French (fr)
Other versions
WO2003107151A2 (en
Inventor
Ernest Brickell
Original Assignee
Intel 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 Intel Corp filed Critical Intel Corp
Priority to EP03726885A priority Critical patent/EP1514164A2/en
Priority to AU2003229298A priority patent/AU2003229298A1/en
Publication of WO2003107151A2 publication Critical patent/WO2003107151A2/en
Publication of WO2003107151A3 publication Critical patent/WO2003107151A3/en

Links

Classifications

    • 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
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
    • 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
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • H04L63/1466—Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks
    • 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
    • H04L9/0841—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 involving Diffie-Hellman or related key agreement protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/062—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying encryption of the keys

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

A key exchange protocol can be performed between components of a system, such as between a computer program being executed by the processor of a PC (or other computer system) and a peripheral. A peripheral with a user input capability and a very limited display capability, such as a keyboard or a mouse, may be used to confirm a key exchange between the system components in a way that requires the user to enter only small amounts of input data (e.g., keystrokes or mouse clicks). Security between components may be enhanced without having a negative impact on usability of the system. Embodiments of the present invention help to deter "man in the middle" attacks wherein an attacker gains control of a system component situated between certain communicating system components.
PCT/US2003/015359 2002-06-18 2003-05-15 A method of confirming a secure key exchange WO2003107151A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03726885A EP1514164A2 (en) 2002-06-18 2003-05-15 A method of confirming a secure key exchange
AU2003229298A AU2003229298A1 (en) 2002-06-18 2003-05-15 A method of confirming a secure key exchange

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/177,626 2002-06-18
US10/177,626 US7142674B2 (en) 2002-06-18 2002-06-18 Method of confirming a secure key exchange

Publications (2)

Publication Number Publication Date
WO2003107151A2 WO2003107151A2 (en) 2003-12-24
WO2003107151A3 true WO2003107151A3 (en) 2004-09-16

Family

ID=29734450

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/015359 WO2003107151A2 (en) 2002-06-18 2003-05-15 A method of confirming a secure key exchange

Country Status (6)

Country Link
US (2) US7142674B2 (en)
EP (1) EP1514164A2 (en)
CN (1) CN100383693C (en)
AU (1) AU2003229298A1 (en)
TW (1) TWI249315B (en)
WO (1) WO2003107151A2 (en)

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