NL6814140A - METHOD AND DEVICE FOR TRANSMISSION OF SECRET TEXT CONTAINING CODED MESSAGES. - Google Patents

METHOD AND DEVICE FOR TRANSMISSION OF SECRET TEXT CONTAINING CODED MESSAGES.

Info

Publication number
NL6814140A
NL6814140A NL6814140A NL6814140A NL6814140A NL 6814140 A NL6814140 A NL 6814140A NL 6814140 A NL6814140 A NL 6814140A NL 6814140 A NL6814140 A NL 6814140A NL 6814140 A NL6814140 A NL 6814140A
Authority
NL
Netherlands
Prior art keywords
transmission
text containing
coded messages
secret text
containing coded
Prior art date
Application number
NL6814140A
Other languages
Dutch (nl)
Other versions
NL158339B (en
Original Assignee
Siemens 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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NL6814140A publication Critical patent/NL6814140A/en
Publication of NL158339B publication Critical patent/NL158339B/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • 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 Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
NL6814140.A 1967-10-05 1968-10-03 TRANSMISSION SYSTEM FOR CODED MESSAGES. NL158339B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1537401A DE1537401C1 (en) 1967-10-05 1967-10-05 Method and device for encrypted transmission of coded information relating to ciphertext via at least one exchange

Publications (2)

Publication Number Publication Date
NL6814140A true NL6814140A (en) 1978-03-31
NL158339B NL158339B (en) 1978-10-16

Family

ID=7531711

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6814140.A NL158339B (en) 1967-10-05 1968-10-03 TRANSMISSION SYSTEM FOR CODED MESSAGES.

Country Status (2)

Country Link
DE (1) DE1537401C1 (en)
NL (1) NL158339B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3217261C2 (en) * 1982-05-07 1984-09-13 Siemens AG, 1000 Berlin und 8000 München Method for transmitting encrypted data

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1258261A (en) * 1960-02-18 1961-04-14 Sagem Telegraphic transmission system with online encryption

Also Published As

Publication number Publication date
NL158339B (en) 1978-10-16
DE1537401C1 (en) 1978-04-27

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS