Paper 1998/018 Original: eprint.iacr.org/1998/018 ↗

Security and Composition of Multi-party Cryptographic Protocols

Ran Canetti
Abstract

We present general definitions of security for multiparty cryptographic protocols and show that, using these definitions, security is preserved under a natural composition method. The definitions follow the general paradigm of known definitions; yet some substantial modifications and simplifications are introduced. In particular, `black-box simulation' is no longer required. The composition method is essentially the natural `subroutine substitution' method suggested by Micali and Rogaway. We first present the general definitional approach. Next we consider several settings for multiparty protocols. These include the cases of non-adaptive and adaptive adversaries, as well as the information-theoretic and the computational models.

Metadata
Available format(s)
PDF
Publication info
Preprint.
History
1999-08-01: last updated
1998-06-04: published
Short URL
https://ia.cr/1998/018
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:1998/018,
      author = {Ran Canetti},
      title = {Security and Composition of Multi-party Cryptographic Protocols},
      howpublished = {Cryptology {ePrint} Archive, Paper 1998/018},
      year = {1998},
      url = {https://eprint.iacr.org/1998/018}
}
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