发明名称 Execution protection for floppy disks
摘要 The method of permitting the execution of a disk loaded into the disk drive, the disk having a plurality of tracks, comprising the steps of writing data in non-standard format and length to a normally unaccessible track of the disk, the data including an encrypted password, the password being located at an arbitary location within the data, reading the data resulting in an error signal, locating an indexing position and applying an offset to identify the password, and unencrypting and authenticating the password in order to execute the disk.
申请公布号 US5027396(A) 申请公布日期 1991.06.25
申请号 US19900520332 申请日期 1990.05.07
申请人 XEROX CORPORATION 发明人 PLATTETER, DALE T.;WESTFALL, ROBERT S.;CARTER, JEFF C.
分类号 G06F3/06;G06F12/14;G06F21/24;G11B20/00;G11B20/10;G11B23/28 主分类号 G06F3/06
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