JPS579970A - Common code key control - Google Patents

Common code key control

Info

Publication number
JPS579970A
JPS579970A JP8117080A JP8117080A JPS579970A JP S579970 A JPS579970 A JP S579970A JP 8117080 A JP8117080 A JP 8117080A JP 8117080 A JP8117080 A JP 8117080A JP S579970 A JPS579970 A JP S579970A
Authority
JP
Japan
Prior art keywords
key control
code key
common code
common
control
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
JP8117080A
Other languages
Japanese (ja)
Other versions
JPS5943749B2 (en
Inventor
Kenji Koyama
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP55081170A priority Critical patent/JPS5943749B2/en
Publication of JPS579970A publication Critical patent/JPS579970A/en
Publication of JPS5943749B2 publication Critical patent/JPS5943749B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Lock And Its Accessories (AREA)
JP55081170A 1980-06-16 1980-06-16 Shared encryption key management device Expired JPS5943749B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55081170A JPS5943749B2 (en) 1980-06-16 1980-06-16 Shared encryption key management device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55081170A JPS5943749B2 (en) 1980-06-16 1980-06-16 Shared encryption key management device

Publications (2)

Publication Number Publication Date
JPS579970A true JPS579970A (en) 1982-01-19
JPS5943749B2 JPS5943749B2 (en) 1984-10-24

Family

ID=13738977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55081170A Expired JPS5943749B2 (en) 1980-06-16 1980-06-16 Shared encryption key management device

Country Status (1)

Country Link
JP (1) JPS5943749B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61142611U (en) * 1985-02-26 1986-09-03
JPS62147477A (en) * 1985-12-20 1987-07-01 オムロン株式会社 Data encrypting apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61142611U (en) * 1985-02-26 1986-09-03
JPS62147477A (en) * 1985-12-20 1987-07-01 オムロン株式会社 Data encrypting apparatus

Also Published As

Publication number Publication date
JPS5943749B2 (en) 1984-10-24

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