JPS6458033A - Protecting system for secret of data - Google Patents

Protecting system for secret of data

Info

Publication number
JPS6458033A
JPS6458033A JP62214652A JP21465287A JPS6458033A JP S6458033 A JPS6458033 A JP S6458033A JP 62214652 A JP62214652 A JP 62214652A JP 21465287 A JP21465287 A JP 21465287A JP S6458033 A JPS6458033 A JP S6458033A
Authority
JP
Japan
Prior art keywords
card
data
input
key
secret
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
JP62214652A
Other languages
English (en)
Other versions
JP2501592B2 (ja
Inventor
Takaaki Yamaji
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 JP62214652A priority Critical patent/JP2501592B2/ja
Publication of JPS6458033A publication Critical patent/JPS6458033A/ja
Application granted granted Critical
Publication of JP2501592B2 publication Critical patent/JP2501592B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Storage Device Security (AREA)
JP62214652A 1987-08-28 1987-08-28 カ―ドデ―タ機密保護方法 Expired - Lifetime JP2501592B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62214652A JP2501592B2 (ja) 1987-08-28 1987-08-28 カ―ドデ―タ機密保護方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62214652A JP2501592B2 (ja) 1987-08-28 1987-08-28 カ―ドデ―タ機密保護方法

Publications (2)

Publication Number Publication Date
JPS6458033A true JPS6458033A (en) 1989-03-06
JP2501592B2 JP2501592B2 (ja) 1996-05-29

Family

ID=16659311

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62214652A Expired - Lifetime JP2501592B2 (ja) 1987-08-28 1987-08-28 カ―ドデ―タ機密保護方法

Country Status (1)

Country Link
JP (1) JP2501592B2 (ja)

Also Published As

Publication number Publication date
JP2501592B2 (ja) 1996-05-29

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