Signer and Message Ambiguity from a Variety of Keys

George Teşeleanu; George Teşeleanu

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Paper

Signer and Message Ambiguity from a Variety of Keys

Topics: Anonymity; Applied Cryptography; Identification, Authentication and Non-Repudiation

In Proceedings of the 18th International Conference on Security and Cryptography SECRYPT - Volume 1, 395-402, 2021

Authors: George Teşeleanu ^{1

;

2}

Affiliations: ¹ Advanced Technologies Institute, 10 Dinu Vintilă, Bucharest, Romania ; ² Simion Stoilow Institute of Mathematics of the Romanian Academy, 21 Calea Grivitei, Bucharest, Romania

Keyword(s): Signer and Message Ambiguity, 1-out-of-n Signature, Oblivious Signature.

Abstract: A signer and message ambiguous signature enables a recipient to request a signer to sign a sensible message such that the signer cannot guess what message he signed and the receiver cannot deduce the signer’s identity. In this work, we formalize this type of signature, introduce the corresponding security requirements and describe two instantions. The first one assumes that the signer hides his identity in n independently generated public keys, while the second one assumes that all n public keys share the same public parameters.

CC BY-NC-ND 4.0

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Paper citation in several formats:

Teşeleanu, G. (2021). Signer and Message Ambiguity from a Variety of Keys. In Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT; ISBN 978-989-758-524-1; ISSN 2184-7711, SciTePress, pages 395-402. DOI: 10.5220/0010502903950402

@conference{secrypt21,
author={George Teşeleanu},
title={Signer and Message Ambiguity from a Variety of Keys},
booktitle={Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT},
year={2021},
pages={395-402},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010502903950402},
isbn={978-989-758-524-1},
issn={2184-7711},
}

TY - CONF

JO - Proceedings of the 18th International Conference on Security and Cryptography - SECRYPT
TI - Signer and Message Ambiguity from a Variety of Keys
SN - 978-989-758-524-1
IS - 2184-7711
AU - Teşeleanu, G.
PY - 2021
SP - 395
EP - 402
DO - 10.5220/0010502903950402
PB - SciTePress