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Separating two roles of hashing in one−way message authentication

Abstract:

We analyse two new and related families of authentication protocols, where a party wants to authenticate its public information to another. In the first, the objective is to do without shared passwords or a PKI, making use of low-bandwidth empirical or authentic channels where messages cannot be faked or modified. The analysis of these leads to a new security principle, termed separation of security concerns, under which protocols should be designed to tackle random and search attacks separat...

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Publication date:
2008-01-01
URN:
uuid:66c8a0b7-e41b-445f-afad-b6c681591cc0
Local pid:
cs:1027

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