Section 2.1 motivates to examine trust and safeguards for authorizations by using examples from the real, i.e. physical, world in order to develop an analogous model for authorizations in the digital world, starting with an example of realworld authorizations in Sect. 2.2. Necessary conditions for trust and control are considered in Sect. 2.3. The constructions used in Sect. 2.2 are mapped to constructions in the digital world in Sect. 2.4 and elaborated as a model for secure authorizations in Chap. 3.
KeywordsAudit Data Digital World Banana Peel Present Person Ticket Number
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