SE378496B - - Google Patents

Info

Publication number
SE378496B
SE378496B SE7115689A SE1568971A SE378496B SE 378496 B SE378496 B SE 378496B SE 7115689 A SE7115689 A SE 7115689A SE 1568971 A SE1568971 A SE 1568971A SE 378496 B SE378496 B SE 378496B
Authority
SE
Sweden
Application number
SE7115689A
Inventor
K Ehrat
Original Assignee
Gretag Ag
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 Gretag Ag filed Critical Gretag Ag
Publication of SE378496B publication Critical patent/SE378496B/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 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
    • 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
    • H04L9/065Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H04L9/0656Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • 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
SE7115689A 1970-12-08 1971-12-07 SE378496B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1813470A CH540613A (de) 1970-12-08 1970-12-08 Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung

Publications (1)

Publication Number Publication Date
SE378496B true SE378496B (xx) 1975-09-01

Family

ID=4430724

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7115689A SE378496B (xx) 1970-12-08 1971-12-07

Country Status (8)

Country Link
US (1) US3808365A (xx)
CA (1) CA956891A (xx)
CH (1) CH540613A (xx)
DE (1) DE2160132A1 (xx)
FR (1) FR2117478A5 (xx)
GB (1) GB1379740A (xx)
IT (1) IT943759B (xx)
SE (1) SE378496B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166922A (en) * 1975-04-14 1979-09-04 Datotek, Inc. Multi-mode digital enciphering system with repeated priming sequences
US4107458A (en) * 1976-08-23 1978-08-15 Constant James N Cipher computer and cryptographic system
US4133973A (en) * 1976-11-10 1979-01-09 Datotek, Inc. Digital cryptographic system having synchronous and asynchronous capabilities
FR2448824A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de videotex muni de moyens de controle d'acces a l'information
FR2448825A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de transmission d'information entre un centre d'emission et des postes recepteurs, ce systeme etant muni d'un moyen de controle de l'acces a l'information transmise
DE3039105A1 (de) * 1980-10-16 1982-04-29 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur verschluesselten informationsuebertragung
CA1213972A (en) * 1983-07-13 1986-11-12 Takashi Okada Apparatus for scrambling a television signal
US4596898A (en) * 1984-03-14 1986-06-24 Computer Security Systems, Inc. Method and apparatus for protecting stored and transmitted data from compromise or interception
JPS6120442A (ja) * 1984-07-09 1986-01-29 Toshiba Corp 有料放送方式
US4747139A (en) * 1984-08-27 1988-05-24 Taaffe James L Software security method and systems
JPH0683202B2 (ja) * 1985-06-25 1994-10-19 日本電気株式会社 デ−タ符号化/復号化装置
TR23067A (tr) * 1985-07-12 1989-02-21 Siemens Ag Sifrelenmis radyo trafigini icra etmek icin bir metod ve cihaz
EP0258838A3 (de) * 1986-09-01 1991-01-23 Siemens Aktiengesellschaft Verfahren zum Aktualisieren der lokal erzeugten Uhrzeit eines Anwendersystems in einem Informationsübertragungssystem
DE3730134C1 (de) * 1987-09-09 1996-05-30 Siemens Ag Schlüsselgerät
US4972474A (en) * 1989-05-01 1990-11-20 Cylink Corporation Integer encryptor
US7577188B1 (en) * 2001-09-13 2009-08-18 Cisco Technology, Inc. Physical layer and MAC enhancements using complex sequences on a wireless channel
EP1526648A1 (en) * 2003-10-21 2005-04-27 Mitsubishi Electric Information Technology Centre Europe B.V. System and device for modulating UWB pulse sequences
CN106533529B (zh) * 2016-09-27 2020-03-03 北京无线电计量测试研究所 一种卫星双向时间比对的调制解调系统与方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267662A (xx) * 1960-08-02
US3614316A (en) * 1964-05-20 1971-10-19 Us Navy Secure communication system
CH439820A (de) * 1964-11-06 1967-07-15 Gretag Ag Verfahren und Einrichtung zur Ver- und Entschlüsselung von Nachrichtensignalen

Also Published As

Publication number Publication date
DE2160132A1 (de) 1972-06-22
CH540613A (de) 1973-08-15
CA956891A (en) 1974-10-29
US3808365A (en) 1974-04-30
GB1379740A (en) 1975-01-08
FR2117478A5 (xx) 1972-07-21
IT943759B (it) 1973-04-10

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