Financial Cryptography and Data Security: FC 2012 Workshops, by Joseph Bonneau, Ekaterina Shutova (auth.), Jim Blyth, Sven

By Joseph Bonneau, Ekaterina Shutova (auth.), Jim Blyth, Sven Dietrich, L. Jean Camp (eds.)

This booklet constitutes the completely refereed post-conference court cases of the workshop on Usable defense, USEC 2012, and the 3rd Workshop on Ethics in machine protection study, WECSR 2012, held together with the sixteenth foreign convention on monetary Cryptology and knowledge defense, FC 2012, in Kralendijk, Bonaire. The thirteen revised complete papers offered have been rigorously chosen from various submissions and canopy all facets of knowledge protection. The objective of the USEC workshop was once to have interaction on all facets of human components and usefulness within the context of safety. The aim of the WECSR workshop was once to proceed trying to find a brand new direction in machine protection that's Institutional evaluation forums at educational associations, in addition to suitable with moral directions for societies at executive institutions.

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Extra resources for Financial Cryptography and Data Security: FC 2012 Workshops, USEC and WECSR 2012, Kralendijk, Bonaire, March 2, 2012, Revised Selected Papers

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The more generic the audience, the lower level of understanding and skills should be required. – Avoid using user input as a main part of the establishment of security properties of the protocol. g. user password used as the seed to a key) and check if it is necessary to create policies to guarantee the good quality of the input. 2 Do Not Rely on Users’ Authentication Capabilities People are very good at recognizing people they already know, but they are not good when authenticating strangers or objects [27].

D ISCUSSION In this example, Bob followed his doctor’s suggestion and used a controversial, recommendation-only medicine in order to stem his chemotherapy induced symptoms. Bob also registered in the state-provided registry in order to receive a state-issued card that would protect him from arrest if he were ever stopped with possession of the medicine. Unfortunately, the state registry stored enough information so that when the registry was compromised the attackers were able to uncover Bob’s name from the registry and cause irreparable harm to his reputation.

Because the system we present provides deniable enrollment, an enrollee can always hide the fact that he’s enrolled and never give up his ID number – making it hard to revoke. Note that doctors may also have the enrollee’s ID number, on file, but fishing for that a particular enrollee’s doctor is a difficult, privacy violating, and legally murky endeavour. Taking a step back, this is a traditional tension between privacy and security where more information causes privacy concerns for the enrollee, but more data may (or may not) provide greater security.

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