FR76754E - Perfectionnements aux systèmes de transmission télégraphique - Google Patents

Perfectionnements aux systèmes de transmission télégraphique

Info

Publication number
FR76754E
FR76754E FR805230A FR805230A FR76754E FR 76754 E FR76754 E FR 76754E FR 805230 A FR805230 A FR 805230A FR 805230 A FR805230 A FR 805230A FR 76754 E FR76754 E FR 76754E
Authority
FR
France
Prior art keywords
transmission systems
telegraphic transmission
telegraphic
systems
transmission
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
FR805230A
Other languages
English (en)
Inventor
William Francis S Chittleburgh
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 Standard Electric Corp
Original Assignee
International Standard Electric 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
Priority claimed from GB2985458A external-priority patent/GB849422A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR805230A priority Critical patent/FR76754E/fr
Application granted granted Critical
Publication of FR76754E publication Critical patent/FR76754E/fr
Expired 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
    • H04L9/12—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
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security 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
    • H04L9/06—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR805230A 1958-09-18 1959-09-16 Perfectionnements aux systèmes de transmission télégraphique Expired FR76754E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR805230A FR76754E (fr) 1958-09-18 1959-09-16 Perfectionnements aux systèmes de transmission télégraphique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2985458A GB849422A (en) 1958-09-18 1958-09-18 Improvements in or relating to receivers for ciphered start-stop telegraph systems
FR805230A FR76754E (fr) 1958-09-18 1959-09-16 Perfectionnements aux systèmes de transmission télégraphique

Publications (1)

Publication Number Publication Date
FR76754E true FR76754E (fr) 1961-12-01

Family

ID=26184395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR805230A Expired FR76754E (fr) 1958-09-18 1959-09-16 Perfectionnements aux systèmes de transmission télégraphique

Country Status (1)

Country Link
FR (1) FR76754E (fr)

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