GB1278346A - Arrangement for generating a series of digital signals - Google Patents

Arrangement for generating a series of digital signals

Info

Publication number
GB1278346A
GB1278346A GB27709/70A GB2770970A GB1278346A GB 1278346 A GB1278346 A GB 1278346A GB 27709/70 A GB27709/70 A GB 27709/70A GB 2770970 A GB2770970 A GB 2770970A GB 1278346 A GB1278346 A GB 1278346A
Authority
GB
United Kingdom
Prior art keywords
switches
generators
matrix
stepped
condition
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB27709/70A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1278346A publication Critical patent/GB1278346A/en
Expired legal-status Critical Current

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)
  • Electronic Switches (AREA)
  • Manipulation Of Pulses (AREA)
GB27709/70A 1969-06-11 1970-06-08 Arrangement for generating a series of digital signals Expired GB1278346A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1278346A true GB1278346A (en) 1972-06-21

Family

ID=20273655

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27709/70A Expired GB1278346A (en) 1969-06-11 1970-06-08 Arrangement for generating a series of digital signals

Country Status (9)

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

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
USRE30957E (en) * 1973-10-15 1982-06-01 International Business Machines Corporation Variant key matrix cipher system
US4195196A (en) * 1973-10-15 1980-03-25 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
US3624610A (en) 1971-11-30
NO127080B (fr) 1973-04-30
SE322257B (fr) 1970-04-06
DE2027521B2 (de) 1971-07-22
DK120805B (da) 1971-07-19
FR2053920A5 (fr) 1971-04-16
NL7008531A (fr) 1970-12-15
CH531283A (de) 1972-11-30
DE2027521A1 (de) 1970-12-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee