A Secure Anonymous Proxy Multi-signature Scheme

Vishal Saraswat, Rajeev Anand Sahu

Abstract

A proxy signature scheme enables a signer to delegate its signing rights to any other user, called the proxy signer, to produce a signature on its behalf. In a proxy multi-signature scheme, the proxy signer can produce one single signature on behalf of multiple original signers. We propose an efficient and provably secure threshold-anonymous identity-based proxy multi-signature (IBPMS) scheme which provides anonymity to the proxy signer while also providing a threshold mechanism to the original signers to expose the identity of the proxy signer in case of misuse. The proposed scheme is proved secure against adaptive chosen-message and adaptive chosen-ID attacks under the computational Diffie-Hellman assumption. We compare our scheme with the recently proposed anonymous proxy multi-signature scheme and other ID-based proxy multi-signature schemes, and show that our scheme requires significantly less operation time in the practical implementation and thus it is more efficient in computation than the existing schemes.

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Paper Citation


in Harvard Style

Saraswat V. and Sahu R. (2014). A Secure Anonymous Proxy Multi-signature Scheme . In Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014) ISBN 978-989-758-045-1, pages 55-66. DOI: 10.5220/0005021200550066


in Bibtex Style

@conference{secrypt14,
author={Vishal Saraswat and Rajeev Anand Sahu},
title={A Secure Anonymous Proxy Multi-signature Scheme},
booktitle={Proceedings of the 11th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2014)},
year={2014},
pages={55-66},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005021200550066},
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 - A Secure Anonymous Proxy Multi-signature Scheme
SN - 978-989-758-045-1
AU - Saraswat V.
AU - Sahu R.
PY - 2014
SP - 55
EP - 66
DO - 10.5220/0005021200550066