NO754049L - - Google Patents

Info

Publication number
NO754049L
NO754049L NO754049A NO754049A NO754049L NO 754049 L NO754049 L NO 754049L NO 754049 A NO754049 A NO 754049A NO 754049 A NO754049 A NO 754049A NO 754049 L NO754049 L NO 754049L
Authority
NO
Norway
Prior art keywords
code word
characters
basic
key
additional
Prior art date
Application number
NO754049A
Other languages
English (en)
Norwegian (no)
Inventor
E Glitz
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of NO754049L publication Critical patent/NO754049L/no

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
    • H04L9/06Cryptographic 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
    • H04L9/0662Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Radio Relay Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
NO754049A 1974-12-03 1975-12-02 NO754049L (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742457027 DE2457027B2 (de) 1974-12-03 1974-12-03 Verfahren zum programmieren von anordnungen zum erzeugen zufallsaehnlicher binaerzeichenfolgen

Publications (1)

Publication Number Publication Date
NO754049L true NO754049L (cs) 1976-06-04

Family

ID=5932332

Family Applications (1)

Application Number Title Priority Date Filing Date
NO754049A NO754049L (cs) 1974-12-03 1975-12-02

Country Status (6)

Country Link
AT (1) AT345348B (cs)
DE (1) DE2457027B2 (cs)
FR (1) FR2293755A1 (cs)
GB (1) GB1536868A (cs)
NL (1) NL180797C (cs)
NO (1) NO754049L (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2706421C2 (de) * 1977-02-16 1979-03-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Einstellen von Schlüsseltextgeneratoren in Chiffriergeräten
IN159180B (cs) * 1982-01-27 1987-04-04 Marconi Co Ltd
US4785410A (en) * 1985-06-05 1988-11-15 Clarion Co., Ltd. Maximum length shift register sequences generator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH402937A (de) * 1961-08-18 1965-11-30 Gretag Ag Verfahren zur Verschlüsselung von impulsförmig übertragenen Nachrichten
US3609327A (en) * 1969-10-22 1971-09-28 Nasa Feedback shift register with states decomposed into cycles of equal length
US3673501A (en) * 1971-08-18 1972-06-27 Us Navy Control logic for linear sequence generators and ring counters

Also Published As

Publication number Publication date
AT345348B (de) 1978-09-11
NL7513986A (nl) 1976-06-08
DE2457027B2 (de) 1977-02-03
DE2457027A1 (de) 1976-06-10
FR2293755B1 (cs) 1982-04-09
NL180797C (nl) 1987-04-16
FR2293755A1 (fr) 1976-07-02
ATA919175A (de) 1978-01-15
NL180797B (nl) 1986-11-17
GB1536868A (en) 1978-12-20

Similar Documents

Publication Publication Date Title
US4211891A (en) Method for setting code text generators in ciphering devices
US4434322A (en) Coded data transmission system
US4202051A (en) Digital data enciphering and deciphering circuit and method
US4760598A (en) Coded data transmission system
US5420925A (en) Rolling code encryption process for remote keyless entry system
GB1501073A (en) Data enciphering apparatus
US3911330A (en) Nonlinear nonsingular feedback shift registers
Omolara et al. Developing a modified hybrid caesar cipher and vigenere cipher for secure data communication
US4058673A (en) Arrangement for ciphering and deciphering of information
US4133974A (en) System for locally enciphering prime data
US5335280A (en) Random sum cipher system and method
US5307412A (en) Random coding cipher system and method
GB914813A (en) Improvements in or relating to arrangements and apparatus for encoding and decoding information to be transmitted respectively from or on to a teleprinter
US3781473A (en) Random digital code generator
US3868631A (en) Digital cryptographic system and method
NO754049L (cs)
US4079195A (en) Method and apparatus for the synchronization of a deciphering device functioning as a receiver with an enciphering device functioning as transmitter
US4079356A (en) Coded electronic lock and key
US3878332A (en) Digital crytographic system and method
Meyer Design considerations for cryptography
US3958214A (en) Encoded echo-ranging signal generator
Júnior et al. A proposal of a cryptography algorithm with techniques of error correction
US4034156A (en) Apparatus for the identification of feedback tapes in a shift register generator
GB1352593A (en) Apparatus for enciphering and deciphering multidigit coded signals
JPS5843743B2 (ja) 暗号化方式