Paper 2010/289

A Two-Party Protocol with Trusted Initializer for Computing the Inner Product

Rafael Dowsley, Jeroen van de Graaf, Davidson Marques, and Anderson C. A. Nascimento

Abstract

We propose the first protocol for securely computing the inner product modulo an integer $m$ between two distrustful parties based on a trusted initializer, i.e. a trusted party that interacts with the players solely during a setup phase. We obtain a very simple protocol with universally composable security. As an application of our protocol, we obtain a solution for securely computing linear equations.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
inner product protocolscalar product protocol
Contact author(s)
jvdg ufop @ gmail com
History
2010-07-06: last of 3 revisions
2010-05-17: received
See all versions
Short URL
https://ia.cr/2010/289
License
Creative Commons Attribution
CC BY

BibTeX

@misc{cryptoeprint:2010/289,
      author = {Rafael Dowsley and Jeroen van de Graaf and Davidson Marques and Anderson C.  A.  Nascimento},
      title = {A Two-Party Protocol with Trusted Initializer for Computing the Inner Product},
      howpublished = {Cryptology {ePrint} Archive, Paper 2010/289},
      year = {2010},
      url = {https://eprint.iacr.org/2010/289}
}
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