Decoy-based information security

Vladimir Shpilrain

Paper 2014/746

Decoy-based information security

Vladimir Shpilrain

Abstract

In this survey, we discuss an emerging concept of decoy-based information security, or security without computational assumptions. In particular, we show how this concept can be implemented to provide security against (passive) computationally unbounded adversary in some public-key encryption protocols. In the world of symmetric cryptography, decoy-based security finds a wide range of applications, notably to secure delegation of computation to another party. We single out the scenario where a computationally limited party wants to send an encrypted message to a computationally superior party using the RSA protocol, thereby providing another kind of application of decoy ideas in a public-key setting. With typical RSA parameters, decoy-based method of delegation of computation improves the efficiency for the sender by several orders of magnitude.

Metadata

Available format(s): PDF
Category: Public-key cryptography
Publication info: Preprint. MINOR revision.
Keywords: public-key cryptography delegation of computation decoy RSA
Contact author(s): shpil @ groups sci ccny cuny edu
History: 2014-09-26: received
Short URL: https://ia.cr/2014/746
License: CC BY

BibTeX

@misc{cryptoeprint:2014/746,
      author = {Vladimir Shpilrain},
      title = {Decoy-based information security},
      howpublished = {Cryptology ePrint Archive, Paper 2014/746},
      year = {2014},
      note = {\url{https://eprint.iacr.org/2014/746}},
      url = {https://eprint.iacr.org/2014/746}
}