JPS6410841U - - Google Patents

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Publication number
JPS6410841U
JPS6410841U JP8455888U JP8455888U JPS6410841U JP S6410841 U JPS6410841 U JP S6410841U JP 8455888 U JP8455888 U JP 8455888U JP 8455888 U JP8455888 U JP 8455888U JP S6410841 U JPS6410841 U JP S6410841U
Authority
JP
Japan
Prior art keywords
computer
program
response
basic unit
cipher
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
JP8455888U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP8455888U priority Critical patent/JPS6410841U/ja
Publication of JPS6410841U publication Critical patent/JPS6410841U/ja
Pending legal-status Critical Current

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  • Storage Device Security (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案に係る電子計算機のプログラ
ム盗用防止器の平面図である。 Ａ……基本ユニツト、Ｂ１，Ｂ２，Ｂ３，Ｂ４
……暗号発生器、１〜３……基本ユニツトのコネ
クタ、４〜１１……暗号発生器のコネクタ。 FIG. 1 is a plan view of a computer program theft prevention device according to the present invention. A...Basic unit, B1, B2, B3, B4
... Code generator, 1 to 3... Basic unit connector, 4 to 11... Code generator connector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電子計算機で用いられる保護の対象であるプロ
グラムに対応してそのプログラムにより動作させ
られる前記電子計算機からの信号に対して前記プ
ログラムが予定している暗号を発生する論理ゲー
ト群からなる暗号発生器と、複数種類の前記暗号
発生器を着脱可能に支持して電子計算機に着脱可
能に接続されるバスライン機能をもつ１個の基本
ユニツトと、前記保護の対象のプログラムは前記
基本ユニツトを介して前記電子計算機から前記各
基本ユニツトに接続された信号に対応して前記い
ずれかの暗号発生器が発生した暗号が適合すると
きにのみ続くプログラムを実行させるように構成
した電子計算機のプログラム盗用防止器。 A cipher generator consisting of a group of logic gates that generates a cipher planned by the computer program in response to a signal from the computer that is operated by the program that is a target of protection used in the computer; , one basic unit having a bus line function that removably supports a plurality of types of code generators and is removably connected to a computer; and the program to be protected is connected to the computer via the basic unit. A computer program theft prevention device configured to execute a subsequent program only when a code generated by one of the code generators in response to a signal connected from the computer to each of the basic units matches.
JP8455888U 1988-06-28 1988-06-28 Pending JPS6410841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8455888U JPS6410841U (en) 1988-06-28 1988-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8455888U JPS6410841U (en) 1988-06-28 1988-06-28

Publications (1)

Publication Number Publication Date
JPS6410841U true JPS6410841U (en) 1989-01-20

Family

ID=31309240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8455888U Pending JPS6410841U (en) 1988-06-28 1988-06-28

Country Status (1)

Country Link
JP (1) JPS6410841U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195975A (en) * 1982-05-12 1983-11-15 Canon Inc User recognition pack of electronic instrument
JPS6224324A (en) * 1985-07-24 1987-02-02 Matsushita Electric Ind Co Ltd Software protection method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58195975A (en) * 1982-05-12 1983-11-15 Canon Inc User recognition pack of electronic instrument
JPS6224324A (en) * 1985-07-24 1987-02-02 Matsushita Electric Ind Co Ltd Software protection method

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