AR013585A1 - Aparato método para establecer una secuencia clave para asegurar la comunicacion a traves de un canal de comunicacion entre un primer transceptor y un segundo transceptor - Google Patents

Aparato método para establecer una secuencia clave para asegurar la comunicacion a traves de un canal de comunicacion entre un primer transceptor y un segundo transceptor

Info

Publication number
AR013585A1
AR013585A1 ARP970102650A ARP970102650A AR013585A1 AR 013585 A1 AR013585 A1 AR 013585A1 AR P970102650 A ARP970102650 A AR P970102650A AR P970102650 A ARP970102650 A AR P970102650A AR 013585 A1 AR013585 A1 AR 013585A1
Authority
AR
Argentina
Prior art keywords
key
transceiver
establish
communication channel
channel
Prior art date
Application number
ARP970102650A
Other languages
English (en)
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of AR013585A1 publication Critical patent/AR013585A1/es

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
    • 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
    • H04L9/08—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
    • H04L9/0875—Generation of secret information including derivation or calculation of cryptographic keys or passwords based on channel impulse response [CIR]
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Lock And Its Accessories (AREA)

Abstract

Las características de un canal de comunicacion se utilizan para establecer secuencias claves para utilizar en informacion comunicadaencriptada. En una realizacion, estas características son las impedancias del canal visual izadas desde untransceptor hacia el otro y viceversa.Las claves se pueden establecer con cálculos equivalentes a un procedimiento de decodificacion sujeto a distancia, y el decodifica dorutilizado para establecer una clave p uede ser utilizadopara procesar la subsiguiente transmision de datos. Se proporciona un mecanismo alternativopara establecer y compartir secuencias clave que dependa de un proceso físicocomparado con los sistemas criptográficos clásicos y de clave publica, enel cualcada parte no necesita generar una cantidad pseudo-aleatori a porque la aleatoriedad necesaria está proporcionada por las propiedades del canal decomunicacion en sí mismo. Mediante el uso de un decodificador d e canal, la probabilidad de quedos usuarios establezcan la misma clave secreta essustancialmente de uno y la probabilidad de que un escuchador furtivo establezca la misma clave es sustancialmente de cero. También, la cantidad declav es posibles es lo suficientemente grande comopara que encontrar la correcta mediante una busqueda exhautiva no sea factible.
ARP970102650A 1996-06-17 1997-06-17 Aparato método para establecer una secuencia clave para asegurar la comunicacion a traves de un canal de comunicacion entre un primer transceptor y un segundo transceptor AR013585A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/665,339 US5745578A (en) 1996-06-17 1996-06-17 Apparatus and method for secure communication based on channel characteristics

Publications (1)

Publication Number Publication Date
AR013585A1 true AR013585A1 (es) 2001-01-10

Family

ID=24669713

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP970102650A AR013585A1 (es) 1996-06-17 1997-06-17 Aparato método para establecer una secuencia clave para asegurar la comunicacion a traves de un canal de comunicacion entre un primer transceptor y un segundo transceptor

Country Status (13)

Country Link
US (2) US5745578A (es)
EP (1) EP0906679B1 (es)
JP (1) JP3963280B2 (es)
KR (1) KR20000016713A (es)
CN (1) CN1104119C (es)
AR (1) AR013585A1 (es)
AU (1) AU723304B2 (es)
CA (1) CA2257645A1 (es)
CO (1) CO4650108A1 (es)
DE (1) DE69736471T2 (es)
ID (1) ID17049A (es)
TW (1) TW341015B (es)
WO (1) WO1997049213A1 (es)

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Also Published As

Publication number Publication date
AU723304B2 (en) 2000-08-24
DE69736471D1 (de) 2006-09-21
CA2257645A1 (en) 1997-12-24
WO1997049213A1 (en) 1997-12-24
JP3963280B2 (ja) 2007-08-22
DE69736471T2 (de) 2007-09-20
TW341015B (en) 1998-09-21
CO4650108A1 (es) 1998-09-03
EP0906679B1 (en) 2006-08-09
EP0906679A1 (en) 1999-04-07
AU3151197A (en) 1998-01-07
CN1222275A (zh) 1999-07-07
US5745578A (en) 1998-04-28
US6031913A (en) 2000-02-29
ID17049A (id) 1997-12-04
CN1104119C (zh) 2003-03-26
KR20000016713A (ko) 2000-03-25
JP2000512825A (ja) 2000-09-26

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