SE7512172L - Sett och anordning for forbettring av hemlighallandet vid krypterad informationsoverforing - Google Patents

Sett och anordning for forbettring av hemlighallandet vid krypterad informationsoverforing

Info

Publication number
SE7512172L
SE7512172L SE7512172A SE7512172A SE7512172L SE 7512172 L SE7512172 L SE 7512172L SE 7512172 A SE7512172 A SE 7512172A SE 7512172 A SE7512172 A SE 7512172A SE 7512172 L SE7512172 L SE 7512172L
Authority
SE
Sweden
Prior art keywords
secret
country
improving
information transfer
encrypted information
Prior art date
Application number
SE7512172A
Other languages
English (en)
Other versions
SE412676B (sv
Inventor
H Baldinger
G Guanella
Original Assignee
Patelhold Patentverwertung
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 Patelhold Patentverwertung filed Critical Patelhold Patentverwertung
Publication of SE7512172L publication Critical patent/SE7512172L/sv
Publication of SE412676B publication Critical patent/SE412676B/sv

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
    • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Selective Calling Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
SE7512172A 1974-11-05 1975-10-30 Forfarande for forbettring av hemlighallandet vid krypterad informationsoverforing samt anordning for utforande av forfarandet SE412676B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1476274A CH578807A5 (sv) 1974-11-05 1974-11-05

Publications (2)

Publication Number Publication Date
SE7512172L true SE7512172L (sv) 1976-05-06
SE412676B SE412676B (sv) 1980-03-10

Family

ID=4403628

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7512172A SE412676B (sv) 1974-11-05 1975-10-30 Forfarande for forbettring av hemlighallandet vid krypterad informationsoverforing samt anordning for utforande av forfarandet

Country Status (6)

Country Link
CH (1) CH578807A5 (sv)
DE (1) DE2457663C2 (sv)
FR (1) FR2290800A1 (sv)
IT (1) IT1048817B (sv)
NL (1) NL7512831A (sv)
SE (1) SE412676B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310720A (en) * 1978-03-31 1982-01-12 Pitney Bowes Inc. Computer accessing system
FR2664113B1 (fr) * 1990-06-28 1993-06-04 Alcatel Transmission Procede de transmission numerique a etalement de spectre par sequence directe a changement de sequences en cours de transmission, et emetteur et recepteur le mettant en óoeuvre.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL63459C (sv) * 1943-04-05
CH361597A (de) * 1958-08-23 1962-04-30 Patelhold Patentverwertung Verfahren zur Verschleierung von Nachrichtensignalen
NL244086A (sv) * 1958-12-10
NL6906145A (sv) * 1968-05-15 1969-11-18
CH518658A (de) * 1970-07-07 1972-01-31 Patelhold Patentverwaltungs Un Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen
CH539989A (de) * 1971-04-19 1973-07-31 Gretag Ag Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung

Also Published As

Publication number Publication date
DE2457663A1 (de) 1976-05-06
IT1048817B (it) 1980-12-20
CH578807A5 (sv) 1976-08-13
FR2290800A1 (fr) 1976-06-04
SE412676B (sv) 1980-03-10
DE2457663C2 (de) 1983-11-17
FR2290800B3 (sv) 1979-06-29
NL7512831A (nl) 1976-05-07

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