VERIFICATION SYSTEM FOR DOCUMENT SUBSTANCE AND CONTENT

摘要

VERIFICATION SYSTEM FOR DOCUMENTSUBSTANCE AND CONTENTAbstract of the DisclosureAn authenticator device, e.g. card, ofverifiable composition substance and informationalcontent with a system of production and verification.Character uniqueness signals identifying the compositionof the device are recorded on the card in an encryptedform combined with statistical data signals representativeof information on the card. Testing the card involvesfreshly sensing the character uniquesness data andentering the statistical data. Such fresh data is thencompared with the recorded values after decoding.Favorable comparisons manifest approval and enter thestatistical data for processing.