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Paper 2023/187

Towards Modular Foundations for Protocol Security

Lúcás Críostóir Meier
Abstract

Universally composable (UC) security is the most widely used framework for analyzing the security of cryptographic protocols. Many variants and simplifications of the framework have been proposed and developed, nonetheless, many practitioners find UC proofs to be both difficult to construct and understand. We remedy this situation by proposing a new framework for protocol security. We believe that our framework provides proofs that are both easier to write, but also more rigorous, and easier to understand. Our work is based on state-separable proofs allowing for modular proofs, by decomposing complicated protocols into simple components.

Metadata
Available format(s)
PDF
Category
Foundations
Publication info
Preprint.
Keywords
UCSSP
Contact author(s)
lucas @ cronokirby com
History
2023-02-24: last of 4 revisions
2023-02-13: received
See all versions
Short URL
https://ia.cr/2023/187
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2023/187,
      author = {Lúcás Críostóir Meier},
      title = {Towards Modular Foundations for Protocol Security},
      howpublished = {Cryptology {ePrint} Archive, Paper 2023/187},
      year = {2023},
      url = {https://eprint.iacr.org/2023/187}
}
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