NL143093B - Stelsel voor het coderen en decoderen van telegrafiesignalen. - Google Patents

Stelsel voor het coderen en decoderen van telegrafiesignalen.

Info

Publication number
NL143093B
NL143093B NL646403918A NL6403918A NL143093B NL 143093 B NL143093 B NL 143093B NL 646403918 A NL646403918 A NL 646403918A NL 6403918 A NL6403918 A NL 6403918A NL 143093 B NL143093 B NL 143093B
Authority
NL
Netherlands
Prior art keywords
decoding
coding
telegraph signals
telegraph
signals
Prior art date
Application number
NL646403918A
Other languages
English (en)
Dutch (nl)
Other versions
NL6403918A (fr
Original Assignee
Cii
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 Cii filed Critical Cii
Publication of NL6403918A publication Critical patent/NL6403918A/xx
Publication of NL143093B publication Critical patent/NL143093B/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
    • H04L9/36—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols with means for detecting characters not meant for transmission
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Facsimile Transmission Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NL646403918A 1963-04-12 1964-04-10 Stelsel voor het coderen en decoderen van telegrafiesignalen. NL143093B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR931560A FR1362007A (fr) 1963-04-12 1963-04-12 Perfectionnements aux systèmes de chiffrement

Publications (2)

Publication Number Publication Date
NL6403918A NL6403918A (fr) 1964-10-13
NL143093B true NL143093B (nl) 1974-08-15

Family

ID=8801682

Family Applications (1)

Application Number Title Priority Date Filing Date
NL646403918A NL143093B (nl) 1963-04-12 1964-04-10 Stelsel voor het coderen en decoderen van telegrafiesignalen.

Country Status (5)

Country Link
US (1) US3749832A (fr)
DE (1) DE1200868B (fr)
FR (1) FR1362007A (fr)
GB (1) GB999328A (fr)
NL (1) NL143093B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876832A (en) * 1972-10-20 1975-04-08 Barrie O Morgan Digital cryptographic system and method
SE361994B (fr) * 1972-12-14 1973-11-19 Ericsson Telefon Ab L M
US5351301A (en) * 1980-03-03 1994-09-27 The United States Of America As Represented By The Director Of National Security Agency Authenticator circuit
DE3207040A1 (de) * 1982-02-26 1983-09-08 Siemens AG, 1000 Berlin und 8000 München Vefahren und anordnung zum uebertragen von zeichen
NL188925C (nl) * 1982-11-11 1992-11-02 Philips Nv Werkwijze en inrichting voor het weergeefbaar maken van vercijferde informatie.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH382216A (de) * 1960-11-07 1964-09-30 Europ Handelsges Anst Gerät zur Ver- und Entschlüsselung eines in Fernschreibersymbolen niedergelegten Textes

Also Published As

Publication number Publication date
DE1200868B (de) 1965-09-16
GB999328A (en) 1965-07-21
US3749832A (en) 1973-07-31
FR1362007A (fr) 1964-05-29
NL6403918A (fr) 1964-10-13

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: IN INFORMATIQUE