FR2431802A1 - Procede et dispositif de synchronisation de generateurs de caracteres aleatoires - Google Patents

Procede et dispositif de synchronisation de generateurs de caracteres aleatoires

Info

Publication number
FR2431802A1
FR2431802A1 FR7142801A FR7142801A FR2431802A1 FR 2431802 A1 FR2431802 A1 FR 2431802A1 FR 7142801 A FR7142801 A FR 7142801A FR 7142801 A FR7142801 A FR 7142801A FR 2431802 A1 FR2431802 A1 FR 2431802A1
Authority
FR
France
Prior art keywords
random characters
synchronizing
synchronizing generators
generators
counters
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.)
Granted
Application number
FR7142801A
Other languages
English (en)
Other versions
FR2431802B1 (fr
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2431802A1 publication Critical patent/FR2431802A1/fr
Application granted granted Critical
Publication of FR2431802B1 publication Critical patent/FR2431802B1/fr
Granted 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Procédé et dispositif de synchronisation de générateurs de caractères aléatoires, fonctionnant avec des compteurs ou des registres à décalage à réaction et disposés aux extrémités d'émission et de réception d'une voie de transmission. La valeur instantanée indiquée par un compteur ou un registre à décalage est :
FR7142801A 1970-11-30 1971-11-30 Procede et dispositif de synchronisation de generateurs de caracteres aleatoires Granted FR2431802A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702058796 DE2058796C3 (de) 1970-11-30 1970-11-30 Verfahren und Einrichtung zur Synchronisation von Zufallszeichengeneratoren

Publications (2)

Publication Number Publication Date
FR2431802A1 true FR2431802A1 (fr) 1980-02-15
FR2431802B1 FR2431802B1 (fr) 1982-11-26

Family

ID=5789481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7142801A Granted FR2431802A1 (fr) 1970-11-30 1971-11-30 Procede et dispositif de synchronisation de generateurs de caracteres aleatoires

Country Status (3)

Country Link
DE (1) DE2058796C3 (fr)
FR (1) FR2431802A1 (fr)
GB (1) GB1499974A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6120442A (ja) * 1984-07-09 1986-01-29 Toshiba Corp 有料放送方式
US6285873B1 (en) * 1998-03-09 2001-09-04 Qualcomm Incorporated Method for generating a broadcast challenge value
US6909785B1 (en) * 1999-11-11 2005-06-21 Qualcomm, Inc. Method and apparatus for efficient irregular synchronization of a stream cipher
JP4054190B2 (ja) 2001-12-27 2008-02-27 松下電器産業株式会社 データ転送システム
CN116545771B (zh) * 2023-07-05 2023-09-15 上海伯镭智能科技有限公司 一种智能驾驶系统测试数据的智能存储方法及系统

Also Published As

Publication number Publication date
FR2431802B1 (fr) 1982-11-26
DE2058796A1 (de) 1978-01-12
DE2058796B2 (de) 1978-08-10
DE2058796C3 (de) 1979-04-05
GB1499974A (en) 1978-02-01

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Legal Events

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