CH604432A5 - - Google Patents

Info

Publication number
CH604432A5
CH604432A5 CH330777A CH330777A CH604432A5 CH 604432 A5 CH604432 A5 CH 604432A5 CH 330777 A CH330777 A CH 330777A CH 330777 A CH330777 A CH 330777A CH 604432 A5 CH604432 A5 CH 604432A5
Authority
CH
Switzerland
Application number
CH330777A
Inventor
Robert 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
Priority to CH330777A priority Critical patent/CH604432A5/xx
Publication of CH604432A5 publication Critical patent/CH604432A5/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communication 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communication
    • 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
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry
CH330777A 1977-03-16 1977-03-16 CH604432A5 (ja)

Priority Applications (1)

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

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CH330777A CH604432A5 (ja) 1977-03-16 1977-03-16
NO780618A NO145593C (no) 1977-03-16 1978-02-22 Anordning for siffrering paa sendersiden og desiffrering paa mottakersiden av informasjon
DK79678A DK79678A (da) 1977-03-16 1978-02-22 INFORMATION PROCESSING SYSTEMS WITH ENCHIFRING BODIES ON THE SENDER SIDE AND WITH DECIFRING BODIES ON THE RECIPIENT SIDE
AT0132778A AT370269B (de) 1977-03-16 1978-02-23 Einrichtung zum sendeseitigen verschluesseln und zum empfangsseitigen entschluesseln von informationen
SE7802210A SE418443B (sv) 1977-03-16 1978-02-27 DEVICE FOR Cryptography of information at transmission and decryption of information at reception
NL7802144A NL7802144A (nl) 1977-03-16 1978-02-27 DEVICE FOR DETECTING INFORMATION ON THE TRANSMISSION SIDE.
DE2808753A DE2808753C2 (ja) 1977-03-16 1978-03-01
GB9789/78A GB1576197A (en) 1977-03-16 1978-03-13 Apparatus for the transmission end-enciphering and reception end-deciphering of information
US05/886,532 US4176246A (en) 1977-03-16 1978-03-14 Apparatus for the transmission end-enciphering and reception end-deciphering of information
CA298,957A CA1106930A (en) 1977-03-16 1978-03-15 Apparatus for the transmission end-enciphering and reception end-deciphering of information
FR7807476A FR2384394B1 (ja) 1977-03-16 1978-03-15
IT21251/78A IT1093384B (it) 1977-03-16 1978-03-15 Dispositivo per la cifratura sullato trasmissione e per la decifratura sul lato ricezione di una informazione

Publications (1)

Publication Number Publication Date
CH604432A5 true CH604432A5 (ja) 1978-09-15

Family

ID=4253150

Family Applications (1)

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

Country Status (12)

Country Link
US (1) US4176246A (ja)
AT (1) AT370269B (ja)
CA (1) CA1106930A (ja)
CH (1) CH604432A5 (ja)
DE (1) DE2808753C2 (ja)
DK (1) DK79678A (ja)
FR (1) FR2384394B1 (ja)
GB (1) GB1576197A (ja)
IT (1) IT1093384B (ja)
NL (1) NL7802144A (ja)
NO (1) NO145593C (ja)
SE (1) SE418443B (ja)

Cited By (1)

* 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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2943726C2 (ja) * 1979-10-30 1984-06-07 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
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 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
US4782529A (en) * 1986-09-02 1988-11-01 Unisys Corporation Decryption of messages employing unique control words and randomly chosen decryption keys
US4809327A (en) * 1986-09-02 1989-02-28 Unisys Corporation Encrtption of messages employing unique control words and randomly chosen encryption 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 (ja) * 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 (ja) * 1975-02-05 1976-11-15 Europ Handelsges Anst

Cited By (1)

* 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

Also Published As

Publication number Publication date
DE2808753A1 (de) 1978-09-28
NO145593C (no) 1982-04-28
NL7802144A (nl) 1978-09-19
AT370269B (de) 1983-03-10
FR2384394A1 (fr) 1978-10-13
US4176246A (en) 1979-11-27
SE7802210L (sv) 1978-09-17
SE418443B (sv) 1981-05-25
NO145593B (no) 1982-01-11
ATA132778A (de) 1982-07-15
CA1106930A (en) 1981-08-11
NO780618L (no) 1978-09-19
IT1093384B (it) 1985-07-19
GB1576197A (en) 1980-10-01
IT7821251D0 (it) 1978-03-15
DE2808753C2 (ja) 1986-11-13
FR2384394B1 (ja) 1983-07-22
CA1106930A1 (ja)
DK79678A (da) 1978-09-17

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Legal Events

Date Code Title Description
PL Patent ceased