[2304.00265] Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature
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Computer Science > Cryptography and Security

arXiv:2304.00265 (cs)
[Submitted on 1 Apr 2023]

Title:Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature

Authors:Masayuki Tezuka, Keisuke Tanaka
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Abstract:Synchronized aggregate signature is a special type of signature that all signers have a synchronized time period and allows aggregating signatures which are generated in the same period. This signature has a wide range of applications for systems that have a natural reporting period such as log and sensor data, or blockchain protocol. In CT-RSA 2016, Pointcheval and Sanders proposed the new randomizable signature scheme. Since this signature scheme is based on type-3 pairing, this signature achieves a short signature size and efficient signature verification. In this paper, we design the Pointchcval-Sanders signature-based synchronized aggregate signature scheme and prove its security under the generalized Pointcheval-Sanders assumption in the random oracle model. Our scheme offers the most efficient aggregate signature verification among synchronized aggregate signature schemes based on bilinear groups.
Subjects: Cryptography and Security (cs.CR)
Cite as: arXiv:2304.00265 [cs.CR]
  (or arXiv:2304.00265v1 [cs.CR] for this version)
  https://doi.org/10.48550/arXiv.2304.00265
Journal reference: ICISC 2022
Related DOI: https://doi.org/10.1007/978-3-031-29371-9_16

Submission history

From: Masayuki Tezuka [view email]
[v1] Sat, 1 Apr 2023 09:12:41 UTC (38 KB)
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