CH392617A - Arrangement for the encryption of messages transmitted in pulse form - Google Patents

Arrangement for the encryption of messages transmitted in pulse form

Info

Publication number
CH392617A
CH392617A CH1140961A CH1140961A CH392617A CH 392617 A CH392617 A CH 392617A CH 1140961 A CH1140961 A CH 1140961A CH 1140961 A CH1140961 A CH 1140961A CH 392617 A CH392617 A CH 392617A
Authority
CH
Switzerland
Prior art keywords
encryption
arrangement
messages transmitted
pulse form
pulse
Prior art date
Application number
CH1140961A
Other languages
German (de)
Inventor
Ehrat Kurt
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
Priority to BE623086D priority Critical patent/BE623086A/xx
Priority to NL283787D priority patent/NL283787A/xx
Application filed by Gretag Ag filed Critical Gretag Ag
Priority to CH1140961A priority patent/CH392617A/en
Priority to GB36294/62D priority patent/GB973536A/en
Priority to DEG35986A priority patent/DE1234790B/en
Priority to FR910492A priority patent/FR1334704A/en
Priority to US227344A priority patent/US3657477A/en
Publication of CH392617A publication Critical patent/CH392617A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • 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)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
CH1140961A 1961-10-02 1961-10-02 Arrangement for the encryption of messages transmitted in pulse form CH392617A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE623086D BE623086A (en) 1961-10-02
NL283787D NL283787A (en) 1961-10-02
CH1140961A CH392617A (en) 1961-10-02 1961-10-02 Arrangement for the encryption of messages transmitted in pulse form
GB36294/62D GB973536A (en) 1961-10-02 1962-09-24 Ciphering systems
DEG35986A DE1234790B (en) 1961-10-02 1962-09-24 Arrangement for the encryption or decryption of messages transmitted in pulse form
FR910492A FR1334704A (en) 1961-10-02 1962-09-26 Message encryption device
US227344A US3657477A (en) 1961-10-02 1962-10-01 Arrangement for encoding intelligence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1140961A CH392617A (en) 1961-10-02 1961-10-02 Arrangement for the encryption of messages transmitted in pulse form

Publications (1)

Publication Number Publication Date
CH392617A true CH392617A (en) 1965-05-31

Family

ID=4373219

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1140961A CH392617A (en) 1961-10-02 1961-10-02 Arrangement for the encryption of messages transmitted in pulse form

Country Status (6)

Country Link
US (1) US3657477A (en)
BE (1) BE623086A (en)
CH (1) CH392617A (en)
DE (1) DE1234790B (en)
GB (1) GB973536A (en)
NL (1) NL283787A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114138A (en) * 1976-08-23 1978-09-12 Bell Telephone Laboratories, Incorporated Selective calling circuit
US4991209A (en) * 1988-10-17 1991-02-05 Grumman Aerospace Corporation Random local message encryption

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL225293A (en) * 1957-02-26
NL244086A (en) * 1958-12-10

Also Published As

Publication number Publication date
NL283787A (en)
DE1234790B (en) 1967-02-23
BE623086A (en)
US3657477A (en) 1972-04-18
GB973536A (en) 1964-10-28

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