Symbolic Universal Composability

Provided by: UNIVERSITY OF TARGU MURES
Topic: Security
Format: PDF
In the analysis of cryptographic protocols, symbolic analysis techniques (going back to Dolev and Yao [DY81]) have shown to be very fruitful. The authors introduce a variant of the Universal Composability framework (UC; Canetti, FOCS 2001) that uses symbolic cryptography. Two salient properties of the UC framework are secure composition and the possibility of easily defining security by giving an ideal functionality as specification. These advantages are now also available in a symbolic modeling of cryptography, allowing for a modular analysis of complex protocols.

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