JPS57162895A - Key code generating system - Google Patents

Key code generating system

Info

Publication number
JPS57162895A
JPS57162895A JP56047893A JP4789381A JPS57162895A JP S57162895 A JPS57162895 A JP S57162895A JP 56047893 A JP56047893 A JP 56047893A JP 4789381 A JP4789381 A JP 4789381A JP S57162895 A JPS57162895 A JP S57162895A
Authority
JP
Japan
Prior art keywords
key code
circuit
operation circuit
decoder
generating system
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
JP56047893A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6259960B2 (enrdf_load_stackoverflow
Inventor
Akimori Tomizawa
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP56047893A priority Critical patent/JPS57162895A/ja
Publication of JPS57162895A publication Critical patent/JPS57162895A/ja
Publication of JPS6259960B2 publication Critical patent/JPS6259960B2/ja
Granted legal-status Critical Current

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
    • H04L9/06—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
    • 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
    • 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
    • H04L2209/80—Wireless

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP56047893A 1981-03-31 1981-03-31 Key code generating system Granted JPS57162895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56047893A JPS57162895A (en) 1981-03-31 1981-03-31 Key code generating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56047893A JPS57162895A (en) 1981-03-31 1981-03-31 Key code generating system

Publications (2)

Publication Number Publication Date
JPS57162895A true JPS57162895A (en) 1982-10-06
JPS6259960B2 JPS6259960B2 (enrdf_load_stackoverflow) 1987-12-14

Family

ID=12788078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56047893A Granted JPS57162895A (en) 1981-03-31 1981-03-31 Key code generating system

Country Status (1)

Country Link
JP (1) JPS57162895A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6259960B2 (enrdf_load_stackoverflow) 1987-12-14

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