Recording device, storage chip, reader, and recording/read system for distributed identification information

摘要: PROBLEM TO BE SOLVED: To obtain an identification information recording device, a chip, and reader that prevent ID given article from being lost as chip gets out of order so on also the illegally used by forgery to increase security. SOLUTION: The device which embeds in is equipped with secret distribution part 21 generates plurality mutually different pieces distributed information, each consisting pair for verification based upon specified logic, are many enough enable restoration remaining chips even if some lost, setting 10 pairs. Further, reads embedded read 19 have 23 extracts original pairs verification. COPYRIGHT: (C)2005,JPO&NCIPI