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In this paper we study authenticated encryption algorithms inspired by the OCB mode (Offset Codebook). These algorithms use secret offsets (masks derived from a whitening key) to turn a block cipher into a tweakable block cipher, following the XE or XEX construction. OCB has a security proof up to 2 n/2 queries, and a matching forgery attack was described(More)
SWIM is a Semantic Desktop framework to find and access any kind of resources identified by an URI. The current implementation is comparable to traditional desktop search engines extended by Semantic Web technology. SWIM uses stackable adapters to extract or process content and metadata, an ontology based on common standards like the Dublin Core Metadata(More)
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