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Identity-based and inter-domain password authenticated key exchange for pervasive systems

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In pervasive computing environments, communicating devices are often resource-constrained, and bandwidth and connectivity may be limited as well. Bootstrapping key agreement via human-memorable passwords offers clear user-friendliness. Identity-based cryptography (IBC), first introduced by Shamir in 1984, and made practical by schemes proposed by Boneh and Franklin in 2001, offers certificateless operation. In this talk, we motivate the problem of inter-domain key agreement, and present a solution which combines passwords and IBC , conferring advantages such as being lightweight and PKI -free at the client side. We will also provide heuristic analysis of the protocol’s security.

This talk is part of the Computer Laboratory Security Group meeting presentations series.

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