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Chris J. Mitchell
Researcher at Royal Holloway, University of London
Publications - 408
Citations - 11842
Chris J. Mitchell is an academic researcher from Royal Holloway, University of London. The author has contributed to research in topics: Authentication & Cryptography. The author has an hindex of 48, co-authored 397 publications receiving 10982 citations. Previous affiliations of Chris J. Mitchell include Johns Hopkins University & University of Portland.
Papers
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Proceedings ArticleDOI
Using constraints to protect personal location information
TL;DR: This paper assesses the possible use of constraints to control the dissemination and use of location information (LI) within a location based service architecture.
Book ChapterDOI
On Solutions to the Key Escrow Problem
Mark P. Hoyle,Chris J. Mitchell +1 more
TL;DR: The 'Royal Holloway' (RH) key escrow scheme is described in a way which is intended to clarify and motivate its design, and the properties of this scheme and some related schemes are considered.
Posted Content
Password Generators: Old Ideas and New
TL;DR: The first general model for password generators that generate site-specific passwords on demand is proposed, and a possible new scheme, AutoPass, is sketched to incorporate the best features of the prior art while addressing many of the shortcomings of existing systems.
Journal ArticleDOI
Authentication using minimally trusted servers
TL;DR: In this protocol, as long as all servers do not collude to defraud the clients, either a session key is successfully established, or the protocol fails in such a way that the clients are aware that it has failed.
Limits to anonymity when using credentials
Andreas Pashalidis,Chris J. Mitchell,Bruce Christianson,Rebecca N. Wright,George Danezis,Tuomas Aura,Matt Blaze,Richard Claytol,Frank Stajano,Birgit Pfitzmann +9 more
TL;DR: Some simple heuristics that aim to mitigate the exposure to the threats to anonymous credential systems are provided and directions for further research are identified.