发明名称 Intellectual properties protection device
摘要 A device for deciphering encoded information is disclosed which comprises logic elements which combine a key input to implement a predetermined set of boolean transformations thereby yielding a corresponding set of translation terms. The translation terms are subsequently combined with corresponding encoded information to yield deciphered information.
申请公布号 US4488001(A) 申请公布日期 1984.12.11
申请号 US19810331710 申请日期 1981.12.17
申请人 NCR CORPORATION 发明人 COOLEY, JOHN J.;OOSTERBAAN, DUWAYNE D.
分类号 G06F12/14;H04L9/18;(IPC1-7):H04L9/02;H04K1/02 主分类号 G06F12/14
代理机构 代理人
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