JPS5634253A - Privacy communication system - Google Patents

Privacy communication system

Info

Publication number
JPS5634253A
JPS5634253A JP10920079A JP10920079A JPS5634253A JP S5634253 A JPS5634253 A JP S5634253A JP 10920079 A JP10920079 A JP 10920079A JP 10920079 A JP10920079 A JP 10920079A JP S5634253 A JPS5634253 A JP S5634253A
Authority
JP
Japan
Prior art keywords
data
terminal
order
original data
memory
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.)
Pending
Application number
JP10920079A
Other languages
English (en)
Inventor
Hikari Taniguchi
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 JP10920079A priority Critical patent/JPS5634253A/ja
Publication of JPS5634253A publication Critical patent/JPS5634253A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/08Randomization, e.g. dummy operations or using noise
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12Details relating to cryptographic hardware or logic circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
JP10920079A 1979-08-29 1979-08-29 Privacy communication system Pending JPS5634253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10920079A JPS5634253A (en) 1979-08-29 1979-08-29 Privacy communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10920079A JPS5634253A (en) 1979-08-29 1979-08-29 Privacy communication system

Publications (1)

Publication Number Publication Date
JPS5634253A true JPS5634253A (en) 1981-04-06

Family

ID=14504143

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10920079A Pending JPS5634253A (en) 1979-08-29 1979-08-29 Privacy communication system

Country Status (1)

Country Link
JP (1) JPS5634253A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169540A (ja) * 1986-01-22 1987-07-25 Nippon Hoso Kyokai <Nhk> 信号スクランブル−デイスクランブル回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62169540A (ja) * 1986-01-22 1987-07-25 Nippon Hoso Kyokai <Nhk> 信号スクランブル−デイスクランブル回路

Similar Documents

Publication Publication Date Title
TW337046B (en) Semiconductor memory and the memory system
KR910017268A (ko) 소형 컴퓨터 시스템의 개량된 scsi장치
GB1438861A (en) Memory circuits
JPS5579565A (en) Picture signal decoding system
DE3576590D1 (de) Personenrufempfaenger und sendervorrichtung angepasst an solchen empfaenger.
EP0123896A3 (en) Character and video mode control circuit
JPS5634253A (en) Privacy communication system
JPS56156978A (en) Memory control system
JPS53102635A (en) Access system for memory unit
JPS5673974A (en) Compression system of picture data
JPS5714957A (en) Memory device
JPS5634254A (en) Privacy transmission system of run length encoded data
SE9201861D0 (sv) Anordning foer att generera vilokoder vid vaeljare
JPS55136748A (en) Parameter set system for data communication unit
JPS5640347A (en) Data transmission system
JPS56117479A (en) Decoding system
JPS52128001A (en) Automatic address adding system
JPS5659338A (en) Data transmission and receiving equipment
JPS5764389A (en) Data output reversing circuit of semiconductor memory device
JPS5613586A (en) Semiconductor memory circuit
JPS55105737A (en) Remote multiplex control unit
JPS5665569A (en) Coding system for video signal
JPS5339026A (en) Reading exclusive ic memory
JPS586198B2 (ja) ヘイレツコ−ドデンソウホウシキニオケル アドレスセンタクカイロ
JPS57136278A (en) Convolutional arithmetic circuit