Pseudonyms – A Technical Point of View
Based on the legal framework for pseudonyms described in Chap. 6, in this Chapter the more technically inclined aspects of pseudonyms are examined. The terms and concepts associated with the notion of anonymity and pseudonymity used in this text are introduced in Sect. 7.1. Two properties of pseudonyms are most important for the approaches presented in this book: Pseudonym disclosure is examined in Sect. 7.2 and pseudonym linkability is focused in Sect. 7.3. For a slightly broader perspective, further pseudonym properties are mentioned in Sect. 7.4. Based on the pseudonym concepts described in this Chapter the architectural model for secure authorizations is extended for pseudonymity in Chap. 8.
KeywordsData Controller Disclosure Condition Error Class Security Objective Secret Parameter
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