Using Range-Revocable Pseudonyms to Provide Backward Unlinkability in the Edge

C Correia, M Correia, L Rodrigues - Proceedings of the 2023 ACM …, 2023 - dl.acm.org
In this paper we propose a novel abstraction that we have named Range-Revocable
Pseudonyms (RRPs). RRPs are a new class of pseudonyms whose validity can be revoked …

Group signatures with time-bound keys revisited: a new model, an efficient construction, and its implementation

K Emura, T Hayashi, A Ishida - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Chu et al.(ASIACCS 2012) proposed group signature with time-bound keys (GS-TBK),
where each signing key is associated with expiry time τ. In addition, to prove membership of …

Provably secure anonymous-yet-accountable crowdsensing with scalable sublinear revocation

S Rahaman, L Cheng, DD Yao, H Li, JMJ Park - 2017 - vtechworks.lib.vt.edu
Group signature schemes enable anonymous-yetaccountable communications. Such a
capability is extremely useful for applications, such as smartphone-based crowdsensing and …

A revocable group signatures scheme to provide privacy-preserving authentications

X Yue, M Xi, B Chen, M Gao, Y He, J Xu - Mobile Networks and …, 2021 - Springer
Despite of having many revocable group signatures schemes proposed in recent years,
backward security, which prevents a revoked signer from generating group signatures for …

Fully dynamic group signatures from subset difference methods under simple assumptions

H Kim, O Sanders, JH Park - Information Sciences, 2025 - Elsevier
Group signatures provide signer anonymity by allowing signatures to be generated on
behalf of a group. In fully dynamic group settings, groups exhibit flexibility, allowing users to …

Using Range-Revocable Pseudonyms to Provide Backward Unlinkability in the Edge (Extended Version)

C Correia, M Correia, L Rodrigues - arXiv preprint arXiv:2308.03402, 2023 - arxiv.org
In this paper we propose a novel abstraction that we have named Range-Revocable
Pseudonyms (RRPs). RRPs are a new class of pseudonyms whose validity can be revoked …

A privacy-preserving enforced bill collection system using smart contracts

T Fujitani, K Emura, K Omote - 2021 16th Asia Joint Conference …, 2021 - ieeexplore.ieee.org
Maintaining a balance between anonymity and traceability is a fundamental issue in privacy-
preserving systems. Isshiki et al. proposed an identity management system based on group …

AnoPas: Practical anonymous transit pass from group signatures with time-bound keys

R Shi, Y Yang, Y Li, H Feng, HH Pang… - Journal of Systems …, 2024 - Elsevier
An anonymous transit pass system allows passengers to access transport services within
fixed time periods, with their privileges automatically deactivating upon time expiration …

A revocable group signature scheme with scalability from simple assumptions and its implementation

K Emura, T Hayashi - … Security: 21st International Conference, ISC 2018 …, 2018 - Springer
Group signatures are signatures providing signer anonymity where signers can produce
signatures on behalf of the group that they belong to. Although such anonymity is quite …

Dynamic group fuzzy extractor

K Chen, P Shen, K Lv, X Tian, C Chen - Cybersecurity, 2024 - Springer
The group fuzzy extractor allows group users to extract and reproduce group cryptographic
keys from their individual non-uniform random sources. It can be easily used in group …