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Document Source Security

IP.com Disclosure Number: IPCOM000045310D
Original Publication Date: 1983-Mar-01
Included in the Prior Art Database: 2005-Feb-06

Publishing Venue


Related People

Bell, CL Easton, MC [+details]


This cryptographic method maintains the readability of clear text while making it difficult to remove information identifying the source of a document. Substantially similar, but minutely different, type families provide the means for conveying the pertinent information.