Protecting anonymity and confidentiality of documents such as University examination paper, during processing, uses unique author and administration codes with are paired to form another unique code

摘要

The code associated with an author constituent part (code A) is unique and different from the code associated with an administration constituent part (code B), which is also unique. Each code pair being themselves unique. The relation between the first and second codes is generated by a non predictable data algorithm which uses a random variable. The value of the variable and/or a first and second code correspondence table is memorized. . Method of anonymity and data processing of a document whose author or owner must remain unknown during the document processing. Includes: (a) an association or integration stage for the document on a unique data support having a first part for author identification and a second part for administration, these parts for a unique pair and a previously associated by a code; a durable association stage for author identification with the first part; a separation stage for the author part and for the document. The administration part remains attached or integrated in the document; a processing stage of the document with author separated from it so as to produce one or more results from document processing; a read stage for the first part in order to link the code and author identification or document owner.; a correspondence stage using the code for or processing results with the author or owner identification for the document content which removes the anonymity.; at least one of the read stages includes an opto-electronic read and recognition phase.