DE69504823T2 - Kryptographisches schlüsselverteilungssystem in einem rechnernetz - Google Patents

Kryptographisches schlüsselverteilungssystem in einem rechnernetz

Info

Publication number
DE69504823T2
DE69504823T2 DE69504823T DE69504823T DE69504823T2 DE 69504823 T2 DE69504823 T2 DE 69504823T2 DE 69504823 T DE69504823 T DE 69504823T DE 69504823 T DE69504823 T DE 69504823T DE 69504823 T2 DE69504823 T2 DE 69504823T2
Authority
DE
Germany
Prior art keywords
distribution system
computer network
cryptographic key
key distribution
cryptographic
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
DE69504823T
Other languages
English (en)
Other versions
DE69504823D1 (de
Inventor
Warwick Ford
Michael Wiener
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.)
Entrust Ltd
Original Assignee
Entrust Ltd
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 Entrust Ltd filed Critical Entrust Ltd
Publication of DE69504823D1 publication Critical patent/DE69504823D1/de
Application granted granted Critical
Publication of DE69504823T2 publication Critical patent/DE69504823T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
DE69504823T 1994-04-15 1995-02-22 Kryptographisches schlüsselverteilungssystem in einem rechnernetz Expired - Lifetime DE69504823T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/227,871 US5481613A (en) 1994-04-15 1994-04-15 Computer network cryptographic key distribution system
PCT/CA1995/000084 WO1995028784A1 (en) 1994-04-15 1995-02-22 Computer network cryptographic key distribution system

Publications (2)

Publication Number Publication Date
DE69504823D1 DE69504823D1 (de) 1998-10-22
DE69504823T2 true DE69504823T2 (de) 1999-02-11

Family

ID=22854805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69504823T Expired - Lifetime DE69504823T2 (de) 1994-04-15 1995-02-22 Kryptographisches schlüsselverteilungssystem in einem rechnernetz

Country Status (6)

Country Link
US (1) US5481613A (de)
EP (1) EP0755598B1 (de)
JP (1) JP3060071B2 (de)
CA (1) CA2187035C (de)
DE (1) DE69504823T2 (de)
WO (1) WO1995028784A1 (de)

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Also Published As

Publication number Publication date
DE69504823D1 (de) 1998-10-22
CA2187035C (en) 1999-10-05
US5481613A (en) 1996-01-02
EP0755598B1 (de) 1998-09-16
EP0755598A1 (de) 1997-01-29
JPH09505711A (ja) 1997-06-03
WO1995028784A1 (en) 1995-10-26
CA2187035A1 (en) 1995-10-26
JP3060071B2 (ja) 2000-07-04

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