DE3585469D1 - Geschuetztes nachrichtenuebertragungssystem und verfahren unter verwendung eines aktualisierten sitzungskodes. - Google Patents

Geschuetztes nachrichtenuebertragungssystem und verfahren unter verwendung eines aktualisierten sitzungskodes.

Info

Publication number
DE3585469D1
DE3585469D1 DE8585107626T DE3585469T DE3585469D1 DE 3585469 D1 DE3585469 D1 DE 3585469D1 DE 8585107626 T DE8585107626 T DE 8585107626T DE 3585469 T DE3585469 T DE 3585469T DE 3585469 D1 DE3585469 D1 DE 3585469D1
Authority
DE
Germany
Prior art keywords
transmission system
message transmission
session code
protected message
updated session
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
DE8585107626T
Other languages
English (en)
Inventor
Martin M Atalla
David J Maracchini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tandem Computers Inc
Original Assignee
Tandem Computers 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 Tandem Computers Inc filed Critical Tandem Computers Inc
Application granted granted Critical
Publication of DE3585469D1 publication Critical patent/DE3585469D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
    • 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
    • H04L9/0844—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 with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer And Data Communications (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
DE8585107626T 1984-07-19 1985-06-20 Geschuetztes nachrichtenuebertragungssystem und verfahren unter verwendung eines aktualisierten sitzungskodes. Expired - Lifetime DE3585469D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63229784A 1984-07-19 1984-07-19

Publications (1)

Publication Number Publication Date
DE3585469D1 true DE3585469D1 (de) 1992-04-09

Family

ID=24534944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585107626T Expired - Lifetime DE3585469D1 (de) 1984-07-19 1985-06-20 Geschuetztes nachrichtenuebertragungssystem und verfahren unter verwendung eines aktualisierten sitzungskodes.

Country Status (4)

Country Link
EP (1) EP0168667B1 (de)
JP (1) JPS6188363A (de)
CA (1) CA1255769A (de)
DE (1) DE3585469D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246823A3 (en) * 1986-05-22 1989-10-04 Racal-Guardata Limited Data communication systems and methods
FR2600190B1 (fr) * 1986-06-16 1988-08-26 Bull Cp8 Procede pour diversifier une cle de base et pour authentifier une cle ainsi diversifiee comme ayant ete elaboree a partir d'une cle de base predeterminee, et systeme de mise en oeuvre
FR2601795B1 (fr) * 1986-07-17 1988-10-07 Bull Cp8 Procede pour diversifier une cle de base et pour authentifier une cle ainsi diversifiee comme ayant ete elaboree a partir d'une cle de base predeterminee, et systeme pour la mise en oeuvre
EP0320489A3 (en) * 1987-12-07 1990-03-28 Automations & Informat Systeme Method to increase ic-card security, and ic-card making use of this method
GB8807020D0 (en) * 1988-03-24 1988-08-24 Racal Guardata Ltd Data-processing apparatus
JPH02297297A (ja) * 1989-05-11 1990-12-07 Material Eng Tech Lab Inc カード型情報媒体の不正使用防止方法
DE19548387C1 (de) * 1995-12-22 1997-01-30 Siemens Ag Verfahren zur kryptographischen Sicherung der rechnergestützten digitalen Kommunikation zwischen einem Programm und mindestens einer Benutzereinheit
NL1015476C2 (nl) * 2000-06-20 2001-12-28 Nedap Nv Pompvrijgave- en betaalsysteem via mobiele telefoon.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR561058A (fr) * 1923-01-26 1923-10-16 Thomson Houston Comp Francaise Systèmes disjoncteurs à refermeture automatique
EP0112944B1 (de) * 1982-12-30 1987-03-04 International Business Machines Corporation Prüfen der Gültigkeit von Erkennungskoden
DE3276993D1 (en) * 1982-12-30 1987-09-17 Ibm Data communication network
US4536647A (en) * 1983-07-15 1985-08-20 Atalla Corporation Pocket banking terminal, method and system

Also Published As

Publication number Publication date
EP0168667A3 (en) 1988-05-25
CA1255769A (en) 1989-06-13
EP0168667B1 (de) 1992-03-04
JPS6188363A (ja) 1986-05-06
EP0168667A2 (de) 1986-01-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition