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Erschienen in:
2002 | OriginalPaper | Buchkapitel
The Untrusted Computer Problem and Camera-Based Authentication
verfasst von : Dwaine Clarke, Blaise Gassend, Thomas Kotwal, Matt Burnside, Marten van Dijk, Srinivas Devadas, Ronald Rivest
Erschienen in: Pervasive Computing
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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The use of computers in public places is increasingly common in everyday life. In using one of these computers, a user is trusting it to correctly carry out her orders. For many transactions, particularly banking operations, blind trust in a public terminal will not satisfy most users. In this paper the aim is therefore to provide the user with authenticated communication between herself and a remote trusted computer, via the untrusted computer.After defining the authentication problem that is to be solved, this paper reduces it to a simpler problem. Solutions to the simpler problem are explored in which the user carries a trusted device with her. Finally, a description is given of two camera-based devices that are being developed.