GB1190904A - Digital Data Receiver - Google Patents

Digital Data Receiver

Info

Publication number
GB1190904A
GB1190904A GB192469A GB192469A GB1190904A GB 1190904 A GB1190904 A GB 1190904A GB 192469 A GB192469 A GB 192469A GB 192469 A GB192469 A GB 192469A GB 1190904 A GB1190904 A GB 1190904A
Authority
GB
United Kingdom
Prior art keywords
counter
bits
register
signal
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
Application number
GB192469A
Other languages
English (en)
Inventor
Andre Senizergues
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1190904A publication Critical patent/GB1190904A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/12Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042Detectors therefor, e.g. correlators, state machines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/08Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic 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
    • H04L9/0618Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB192469A 1968-01-16 1969-01-13 Digital Data Receiver Expired GB1190904A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6008978 1968-01-16

Publications (1)

Publication Number Publication Date
GB1190904A true GB1190904A (en) 1970-05-06

Family

ID=8970688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB192469A Expired GB1190904A (en) 1968-01-16 1969-01-13 Digital Data Receiver

Country Status (3)

Country Link
DE (1) DE1815233B2 (enrdf_load_stackoverflow)
FR (1) FR1582790A (enrdf_load_stackoverflow)
GB (1) GB1190904A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311457A1 (fr) * 1975-05-12 1976-12-10 Gen Electric Systeme de radio-communication
GB2233861A (en) * 1989-05-04 1991-01-16 Stc Plc Sequence synchronisation

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843893A (en) * 1973-07-20 1974-10-22 Hewlett Packard Co Logical synchronization of test instruments
CH581930A5 (enrdf_load_stackoverflow) * 1975-02-05 1976-11-15 Europ Handelsges Anst
CH603014A5 (enrdf_load_stackoverflow) * 1975-02-05 1978-08-15 Europ Handelsges Anst
US4022973A (en) * 1975-05-12 1977-05-10 General Electric Company Apparatus for indicating synchronization and out-of-synchronization conditions
DE2631823C3 (de) * 1976-07-15 1984-03-01 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zum Synchronisieren von Schlüsseleinrichtungen für Datenübertragungsanlagen
NL7710503A (nl) * 1977-09-27 1979-03-29 Philips Nv Digitaal transmissiestelsel.
DE3103574C2 (de) * 1981-02-03 1983-06-16 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Herstellen und Aufrechterhalten des Gleichlaufs zwischen von örtlich erzeugten Bittaktimpulsen abgeleiteten Envelopetaktimpulsen und in Envelopes eines binärcodierten Signals enthaltenen Synchronisierbits
JPS59221047A (ja) * 1983-05-30 1984-12-12 Victor Co Of Japan Ltd デイジタル信号伝送における同期信号検出回路
DE3484245D1 (de) * 1984-05-29 1991-04-11 Siemens Ag Verfahren und anordnung zum ueberwachen des synchronlaufs von schluesselgeraeten.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311457A1 (fr) * 1975-05-12 1976-12-10 Gen Electric Systeme de radio-communication
GB2233861A (en) * 1989-05-04 1991-01-16 Stc Plc Sequence synchronisation
US5237593A (en) * 1989-05-04 1993-08-17 Stc, Plc Sequence synchronisation
GB2233861B (en) * 1989-05-04 1993-09-01 Stc Plc Sequence synchronisation

Also Published As

Publication number Publication date
DE1815233B2 (de) 1976-11-18
DE1815233A1 (de) 1969-08-14
FR1582790A (enrdf_load_stackoverflow) 1969-10-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee