DK79678A - Informationsbehandlende anlaeg med enchifreringsorganer paa sendersiden og med dechifreringsorganer paa aaodtagersiden - Google Patents

Informationsbehandlende anlaeg med enchifreringsorganer paa sendersiden og med dechifreringsorganer paa aaodtagersiden

Info

Publication number
DK79678A
DK79678A DK79678A DK79678A DK79678A DK 79678 A DK79678 A DK 79678A DK 79678 A DK79678 A DK 79678A DK 79678 A DK79678 A DK 79678A DK 79678 A DK79678 A DK 79678A
Authority
DK
Denmark
Prior art keywords
bodies
enchifring
decifring
information processing
processing systems
Prior art date
Application number
DK79678A
Other languages
English (en)
Inventor
R Gaetzi
Original Assignee
Europ Handelsges Anst
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 Europ Handelsges Anst filed Critical Europ Handelsges Anst
Publication of DK79678A publication Critical patent/DK79678A/da

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
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Small-Scale Networks (AREA)
DK79678A 1977-03-16 1978-02-22 Informationsbehandlende anlaeg med enchifreringsorganer paa sendersiden og med dechifreringsorganer paa aaodtagersiden DK79678A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH330777A CH604432A5 (da) 1977-03-16 1977-03-16

Publications (1)

Publication Number Publication Date
DK79678A true DK79678A (da) 1978-09-17

Family

ID=4253150

Family Applications (1)

Application Number Title Priority Date Filing Date
DK79678A DK79678A (da) 1977-03-16 1978-02-22 Informationsbehandlende anlaeg med enchifreringsorganer paa sendersiden og med dechifreringsorganer paa aaodtagersiden

Country Status (12)

Country Link
US (1) US4176246A (da)
AT (1) AT370269B (da)
CA (1) CA1106930A (da)
CH (1) CH604432A5 (da)
DE (1) DE2808753C2 (da)
DK (1) DK79678A (da)
FR (1) FR2384394A1 (da)
GB (1) GB1576197A (da)
IT (1) IT1093384B (da)
NL (1) NL7802144A (da)
NO (1) NO145593C (da)
SE (1) SE418443B (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024308A1 (de) * 1979-08-17 1981-03-04 Crypto Aktiengesellschaft Verfahren und Vorrichtung zur Ver- und Entschlüsselung von Informationen
DE2943726C2 (de) * 1979-10-30 1984-06-07 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren und Einrichtung zur Ver- und Entschlüsselung von Daten
IL63102A (en) * 1980-06-19 1984-03-30 Oak Industries Inc System for enciphering messages
US4440976A (en) * 1981-06-17 1984-04-03 Motorola, Inc. Automatic selection of decryption key for multiple-key encryption systems
DE3207040A1 (de) * 1982-02-26 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Vefahren und anordnung zum uebertragen von zeichen
US4811394A (en) * 1982-07-28 1989-03-07 Communications Satellite Corporation Variable starting state scrambling circuit
US4710921A (en) * 1985-07-05 1987-12-01 Sony Corporation Digital signal transmitting system
US4809327A (en) * 1986-09-02 1989-02-28 Unisys Corporation Encrtption of messages employing unique control words and randomly chosen encryption keys
US4782529A (en) * 1986-09-02 1988-11-01 Unisys Corporation Decryption of messages employing unique control words and randomly chosen decryption keys
DK279089D0 (da) * 1989-06-07 1989-06-07 Kommunedata I S Fremgangsmaade til overfoersel af data, et elektronisk dokument eller lignende, system til udoevelse af fremgangsmaaden samt et kort til brug ved udoevelse af fremgangsmaaden
USRE36310E (en) * 1990-06-07 1999-09-21 Kommunedata I/S Method of transferring data, between computer systems using electronic cards
US5442703A (en) * 1993-05-30 1995-08-15 Motorola, Inc. Method for identifying corrupt encryption keys within a secure communication system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL233484A (da) * 1958-01-07
FR1388156A (fr) * 1963-01-22 1965-02-05 Int Standard Electric Corp Perfectionnements aux systèmes de transmission télégraphique chiffrée
CH429253A (de) * 1964-01-21 1967-01-31 Europ Handelsges Anst Mischgerät zum Verschlüsseln und Entschlüsseln von Informationen
CH443744A (de) * 1966-09-23 1967-09-15 Nyberg N Sture Vorrichtung zum Verschlüsseln und zum Entschlüsseln eines Klar- bzw. Geheimtextes
CH464287A (de) * 1967-08-02 1968-10-31 Europ Handelsges Anst Verfahren zur Verschlüsselung in einen und/oder Entschlüsselung aus einem Geheimtext.
CH506217A (de) * 1970-03-16 1971-04-15 Europ Handelsges Anst Schaltung für Verschlüsselungsgeräte
CH515576A (de) * 1970-08-20 1971-11-15 Hagelin Boris Caesar Wilhelm Gerät zur Ver- und Entschlüsselung von mehrstellig codierten Signalen
US3683513A (en) * 1970-11-19 1972-08-15 Europaische Handelsgellschaft Apparatus for automatically enciphering and/or deciphering a test consisting of multidigit dual coded characters
CH581930A5 (da) * 1975-02-05 1976-11-15 Europ Handelsges Anst

Also Published As

Publication number Publication date
CH604432A5 (da) 1978-09-15
NO145593B (no) 1982-01-11
IT1093384B (it) 1985-07-19
ATA132778A (de) 1982-07-15
NO780618L (no) 1978-09-19
GB1576197A (en) 1980-10-01
IT7821251A0 (it) 1978-03-15
AT370269B (de) 1983-03-10
FR2384394A1 (fr) 1978-10-13
US4176246A (en) 1979-11-27
DE2808753C2 (de) 1986-11-13
SE418443B (sv) 1981-05-25
FR2384394B1 (da) 1983-07-22
CA1106930A (en) 1981-08-11
SE7802210L (sv) 1978-09-17
NL7802144A (nl) 1978-09-19
DE2808753A1 (de) 1978-09-28
NO145593C (no) 1982-04-28

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment