DK120805B - Apparat til frembringelse af en række af ciffersignaler. - Google Patents

Apparat til frembringelse af en række af ciffersignaler.

Info

Publication number
DK120805B
DK120805B DK301470AA DK301470A DK120805B DK 120805 B DK120805 B DK 120805B DK 301470A A DK301470A A DK 301470AA DK 301470 A DK301470 A DK 301470A DK 120805 B DK120805 B DK 120805B
Authority
DK
Denmark
Prior art keywords
series
generating
digit signals
digit
signals
Prior art date
Application number
DK301470AA
Other languages
English (en)
Inventor
S Warring
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK120805B publication Critical patent/DK120805B/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
    • H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
    • H04L9/0662—Pseudorandom 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)
  • Manipulation Of Pulses (AREA)
  • Electronic Switches (AREA)
DK301470AA 1969-06-11 1970-06-10 Apparat til frembringelse af en række af ciffersignaler. DK120805B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8289/69A SE322257B (da) 1969-06-11 1969-06-11

Publications (1)

Publication Number Publication Date
DK120805B true DK120805B (da) 1971-07-19

Family

ID=20273655

Family Applications (1)

Application Number Title Priority Date Filing Date
DK301470AA DK120805B (da) 1969-06-11 1970-06-10 Apparat til frembringelse af en række af ciffersignaler.

Country Status (9)

Country Link
US (1) US3624610A (da)
CH (1) CH531283A (da)
DE (1) DE2027521B2 (da)
DK (1) DK120805B (da)
FR (1) FR2053920A5 (da)
GB (1) GB1278346A (da)
NL (1) NL7008531A (da)
NO (1) NO127080B (da)
SE (1) SE322257B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1452743A (en) * 1972-12-28 1976-10-13 Ryder Son Ltd Thomas Automatic control systems
US4195196A (en) * 1973-10-15 1980-03-25 International Business Machines Corporation Variant key matrix cipher system
USRE30957E (en) * 1973-10-15 1982-06-01 International Business Machines Corporation Variant key matrix cipher system
US3920894A (en) * 1974-03-11 1975-11-18 Bell Telephone Labor Inc Pseudo-random parallel word generator
NL7508772A (nl) * 1975-07-23 1977-01-25 Philips Nv Inrichting voor het opwekken van impulsvormige signalen.
CN106165340B (zh) * 2014-04-28 2020-06-16 加泽一郎 加密方法、程序和系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918669A (en) * 1956-08-24 1959-12-22 North American Aviation Inc Arbitrary function generator
US3268821A (en) * 1963-12-04 1966-08-23 Rca Corp Timing or clock pulse generator employing plural counters capable of being selectively gated
US3371320A (en) * 1965-03-12 1968-02-27 Sperry Rand Corp Multipurpose matrix
US3548174A (en) * 1966-08-10 1970-12-15 Burroughs Corp Random number generator
US3439281A (en) * 1966-12-08 1969-04-15 James F Mcguire Apparatus for randomly controlling the flow of pulses from a pulse source to a plurality of output lines
GB1172617A (en) * 1967-09-18 1969-12-03 Solartron Electronic Group The Generation of Binomially-Distributed Pseudo-Random Electrical Signals

Also Published As

Publication number Publication date
DE2027521A1 (de) 1970-12-17
US3624610A (en) 1971-11-30
GB1278346A (en) 1972-06-21
NL7008531A (da) 1970-12-15
DE2027521B2 (de) 1971-07-22
NO127080B (da) 1973-04-30
FR2053920A5 (da) 1971-04-16
CH531283A (de) 1972-11-30
SE322257B (da) 1970-04-06

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