FR2724514B1 - Procede de gestion de cles d'embrouillage et de debrouillage d'appareils de transmission de donnees - Google Patents

Procede de gestion de cles d'embrouillage et de debrouillage d'appareils de transmission de donnees

Info

Publication number
FR2724514B1
FR2724514B1 FR9410758A FR9410758A FR2724514B1 FR 2724514 B1 FR2724514 B1 FR 2724514B1 FR 9410758 A FR9410758 A FR 9410758A FR 9410758 A FR9410758 A FR 9410758A FR 2724514 B1 FR2724514 B1 FR 2724514B1
Authority
FR
France
Prior art keywords
scalding
managing
data transmission
transmission devices
scaling keys
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
FR9410758A
Other languages
English (en)
Other versions
FR2724514A1 (fr
Inventor
Jacques Tigoulet
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR9410758A priority Critical patent/FR2724514B1/fr
Publication of FR2724514A1 publication Critical patent/FR2724514A1/fr
Application granted granted Critical
Publication of FR2724514B1 publication Critical patent/FR2724514B1/fr
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
    • 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
    • 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)
  • Storage Device Security (AREA)
FR9410758A 1994-09-08 1994-09-08 Procede de gestion de cles d'embrouillage et de debrouillage d'appareils de transmission de donnees Expired - Fee Related FR2724514B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9410758A FR2724514B1 (fr) 1994-09-08 1994-09-08 Procede de gestion de cles d'embrouillage et de debrouillage d'appareils de transmission de donnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9410758A FR2724514B1 (fr) 1994-09-08 1994-09-08 Procede de gestion de cles d'embrouillage et de debrouillage d'appareils de transmission de donnees

Publications (2)

Publication Number Publication Date
FR2724514A1 FR2724514A1 (fr) 1996-03-15
FR2724514B1 true FR2724514B1 (fr) 1996-12-13

Family

ID=9466787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9410758A Expired - Fee Related FR2724514B1 (fr) 1994-09-08 1994-09-08 Procede de gestion de cles d'embrouillage et de debrouillage d'appareils de transmission de donnees

Country Status (1)

Country Link
FR (1) FR2724514B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7120696B1 (en) * 2000-05-19 2006-10-10 Stealthkey, Inc. Cryptographic communications using pseudo-randomly generated cryptography keys
US7130427B2 (en) * 2003-07-17 2006-10-31 Motorola, Inc. Method for providing point-to-point encryption in a communication system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028273B1 (fr) * 1979-11-03 1983-09-28 PATELHOLD Patentverwertungs- & Elektro-Holding AG Procédé et dispositif pour la génération de clés secrètes
GB8807020D0 (en) * 1988-03-24 1988-08-24 Racal Guardata Ltd Data-processing apparatus

Also Published As

Publication number Publication date
FR2724514A1 (fr) 1996-03-15

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
TP Transmission of property
ST Notification of lapse

Effective date: 20070531