Welcome to the resource topic for 2000/067
Title:
Universally Composable Security: A New Paradigm for Cryptographic Protocols
Authors: Ran Canetti
Abstract:We present a general framework for representing cryptographic protocols and analyzing their security. The framework
allows specifying the security requirements of practically any
cryptographic task in a unified and systematic way.
Furthermore, in this framework the security of protocols
is maintained under a general composition operation, called
universal composition.
The proposed framework with its security-preserving composition property allow for modular design and analysis of complex cryptographic protocols from relatively simple building blocks.
Moreover, within this framework, protocols are guaranteed to maintain their security within any context, even in the presence of an unbounded number of arbitrary protocol instances that run concurrently in an adversarially controlled manner.
This is a useful guarantee, that allows arguing about the security of
cryptographic protocols in complex and unpredictable environments such
as modern communication networks.
ePrint: https://eprint.iacr.org/2000/067
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