ZA804976B - Method and apparatus for enciphering and deciphering of information - Google Patents

Method and apparatus for enciphering and deciphering of information

Info

Publication number
ZA804976B
ZA804976B ZA00804976A ZA804976A ZA804976B ZA 804976 B ZA804976 B ZA 804976B ZA 00804976 A ZA00804976 A ZA 00804976A ZA 804976 A ZA804976 A ZA 804976A ZA 804976 B ZA804976 B ZA 804976B
Authority
ZA
South Africa
Prior art keywords
enciphering
deciphering
information
Prior art date
Application number
ZA00804976A
Other languages
English (en)
Inventor
B Gemperle
O Stuerzinger
Original Assignee
Crypto 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 Crypto Ag filed Critical Crypto Ag
Publication of ZA804976B publication Critical patent/ZA804976B/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
ZA00804976A 1979-08-17 1980-08-14 Method and apparatus for enciphering and deciphering of information ZA804976B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH755179 1979-08-17

Publications (1)

Publication Number Publication Date
ZA804976B true ZA804976B (en) 1981-08-26

Family

ID=4326923

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00804976A ZA804976B (en) 1979-08-17 1980-08-14 Method and apparatus for enciphering and deciphering of information

Country Status (7)

Country Link
US (1) US4369333A (xx)
EP (1) EP0024308A1 (xx)
JP (1) JPS5631251A (xx)
BR (1) BR8005177A (xx)
ES (1) ES8104684A1 (xx)
NO (1) NO802422L (xx)
ZA (1) ZA804976B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
DE3207040A1 (de) * 1982-02-26 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Vefahren und anordnung zum uebertragen von zeichen
US4897880A (en) * 1987-02-17 1990-01-30 Soricon Corporation Data acquisition control method and system for a hand held reader
JP3792002B2 (ja) 1997-04-17 2006-06-28 ローム株式会社 データ通信装置、データ通信システムおよびデータ通信方法
GB0620855D0 (en) * 2006-10-19 2006-11-29 Dovetail Software Corp Ltd Data processing apparatus and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036156A (en) * 1946-03-13 1962-05-22 Charles N Gillespie Secret telegraph system
US4168395A (en) * 1961-05-19 1979-09-18 American Standard Inc. Start/stop teleprinter scrambler
DE978043C (de) * 1962-08-27 1977-04-21 Siemens Ag Verfahren und Einrichtung zur verschluesselten UEbertragung von Fernschreibnachrichten
CH411983A (de) * 1963-10-18 1966-04-30 Gretag Ag Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten
US4169212A (en) * 1975-04-14 1979-09-25 Datotek, Inc. Multi-mode digital enciphering system
CH604432A5 (xx) * 1977-03-16 1978-09-15 Europ Handelsges Anst

Also Published As

Publication number Publication date
US4369333A (en) 1983-01-18
JPS5631251A (en) 1981-03-30
ES494252A0 (es) 1981-04-01
NO802422L (no) 1981-02-18
EP0024308A1 (de) 1981-03-04
ES8104684A1 (es) 1981-04-01
BR8005177A (pt) 1981-03-04

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