JPS5724147A - Confidential communication system - Google Patents

Confidential communication system

Info

Publication number
JPS5724147A
JPS5724147A JP9877480A JP9877480A JPS5724147A JP S5724147 A JPS5724147 A JP S5724147A JP 9877480 A JP9877480 A JP 9877480A JP 9877480 A JP9877480 A JP 9877480A JP S5724147 A JPS5724147 A JP S5724147A
Authority
JP
Japan
Prior art keywords
confidential
terminal
sentence
transmitted
reception
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.)
Granted
Application number
JP9877480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6325547B2 (cg-RX-API-DMAC7.html
Inventor
Kazuo Nishimura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9877480A priority Critical patent/JPS5724147A/ja
Publication of JPS5724147A publication Critical patent/JPS5724147A/ja
Publication of JPS6325547B2 publication Critical patent/JPS6325547B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP9877480A 1980-07-21 1980-07-21 Confidential communication system Granted JPS5724147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9877480A JPS5724147A (en) 1980-07-21 1980-07-21 Confidential communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9877480A JPS5724147A (en) 1980-07-21 1980-07-21 Confidential communication system

Publications (2)

Publication Number Publication Date
JPS5724147A true JPS5724147A (en) 1982-02-08
JPS6325547B2 JPS6325547B2 (cg-RX-API-DMAC7.html) 1988-05-25

Family

ID=14228717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9877480A Granted JPS5724147A (en) 1980-07-21 1980-07-21 Confidential communication system

Country Status (1)

Country Link
JP (1) JPS5724147A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01162451A (ja) * 1987-12-18 1989-06-26 Fujitsu Ltd ファクシミリ装置
US4901348A (en) * 1985-12-24 1990-02-13 American Telephone And Telegraph Company Data transmission security arrangement for a plurality of data stations sharing access to a communication network

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447504A (en) * 1977-09-22 1979-04-14 Nippon Telegr & Teleph Corp <Ntt> Storage receiving system for private designated telegram

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447504A (en) * 1977-09-22 1979-04-14 Nippon Telegr & Teleph Corp <Ntt> Storage receiving system for private designated telegram

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901348A (en) * 1985-12-24 1990-02-13 American Telephone And Telegraph Company Data transmission security arrangement for a plurality of data stations sharing access to a communication network
JPH01162451A (ja) * 1987-12-18 1989-06-26 Fujitsu Ltd ファクシミリ装置

Also Published As

Publication number Publication date
JPS6325547B2 (cg-RX-API-DMAC7.html) 1988-05-25

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