System for ensuring the confidentiality of electronic data, especially patient data, in a network by use of pseudonyms, whereby a pseudonym generator uses a policy database for pseudonym generating rules with supplied patient data

摘要

System for ensuring the confidentiality of electronic data in a network with a pseudonym generator (9) for generating pseudonyms, dependent on data provided by a first institution (1a-1n), a policy database (8) for storage of pseudonym generating rules for data and a central unit (4) for receiving the data requests from second institutions (1a-1n) and controlling pseudonym generation for the required data according to the rules stored in the policy database.