DE69022610T2 - Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet. - Google Patents

Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet.

Info

Publication number
DE69022610T2
DE69022610T2 DE69022610T DE69022610T DE69022610T2 DE 69022610 T2 DE69022610 T2 DE 69022610T2 DE 69022610 T DE69022610 T DE 69022610T DE 69022610 T DE69022610 T DE 69022610T DE 69022610 T2 DE69022610 T2 DE 69022610T2
Authority
DE
Germany
Prior art keywords
transmitted data
unit key
encrypting transmitted
encrypting
key
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 - Fee Related
Application number
DE69022610T
Other languages
English (en)
Other versions
DE69022610D1 (de
Inventor
Martin M Atalla
Webster D Hopkins
Ralph R Bestock
Jae-Young Kim
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 DE69022610D1 publication Critical patent/DE69022610D1/de
Publication of DE69022610T2 publication Critical patent/DE69022610T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • 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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using 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
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • 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
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
DE69022610T 1989-03-14 1990-02-27 Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet. Expired - Fee Related DE69022610T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/323,485 US4933971A (en) 1989-03-14 1989-03-14 Method for encrypting transmitted data using a unique key

Publications (2)

Publication Number Publication Date
DE69022610D1 DE69022610D1 (de) 1995-11-02
DE69022610T2 true DE69022610T2 (de) 1996-05-02

Family

ID=23259404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022610T Expired - Fee Related DE69022610T2 (de) 1989-03-14 1990-02-27 Verfahren zum Chiffrieren von übertragenen Daten, das einen Einheitsschlüssel anwendet.

Country Status (6)

Country Link
US (1) US4933971A (de)
EP (1) EP0387599B1 (de)
JP (1) JPH0334641A (de)
AU (1) AU617598B2 (de)
CA (1) CA2010450C (de)
DE (1) DE69022610T2 (de)

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Also Published As

Publication number Publication date
US4933971A (en) 1990-06-12
AU617598B2 (en) 1991-11-28
CA2010450C (en) 1998-08-18
JPH0334641A (ja) 1991-02-14
CA2010450A1 (en) 1990-09-14
EP0387599A3 (en) 1993-12-22
EP0387599A2 (de) 1990-09-19
DE69022610D1 (de) 1995-11-02
EP0387599B1 (de) 1995-09-27
AU5124990A (en) 1990-09-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee