Adaptive Oblivious Transfer with Hidden Access Policy Realizing Disjunction

Vandana Guleria, Ratna Dutta

Abstract

We propose an efficient adaptive oblivious transfer protocol with hidden access policies. This scheme allows a receiver to anonymously recover a message from a database which is protected by hidden attribute based access policy if the receiver’s attribute set satisfies the associated access policy implicitly. The proposed scheme is secure in the presence of malicious adversary under the q-Strong Diffie-Hellman (SDH), q-Power Decisional Diffie-Hellman (PDDH) and Decision Bilinear Diffie-Hellman (DBDH) assumption in full-simulation security model. The scheme covers disjunction of attributes. The proposed protocol outperforms the existing similar schemes in terms of both communication and computation.

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Paper Citation


in Harvard Style

Guleria V. and Dutta R. (2014). Adaptive Oblivious Transfer with Hidden Access Policy Realizing Disjunction . In Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014) ISBN 978-989-758-045-1, pages 43-54. DOI: 10.5220/0005016900430054


in Bibtex Style

@conference{secrypt14,
author={Vandana Guleria and Ratna Dutta},
title={Adaptive Oblivious Transfer with Hidden Access Policy Realizing Disjunction},
booktitle={Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014)},
year={2014},
pages={43-54},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005016900430054},
isbn={978-989-758-045-1},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014)
TI - Adaptive Oblivious Transfer with Hidden Access Policy Realizing Disjunction
SN - 978-989-758-045-1
AU - Guleria V.
AU - Dutta R.
PY - 2014
SP - 43
EP - 54
DO - 10.5220/0005016900430054