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An Improved Lattice-Based Ring Signature with Unclaimable Anonymity in the Standard Model. (arXiv:2206.12093v1 [cs.CR])
June 27, 2022, 1:20 a.m. | Mingxing Hu, Weijiong Zhang, Zhen Liu
cs.CR updates on arXiv.org arxiv.org
Ring signatures enable a user to sign messages on behalf of an arbitrary set
of users, called the ring, without revealing exactly which member of that ring
actually generated the signature. The signer-anonymity property makes ring
signatures have been an active research topic. Recently, Park and Sealfon
(CRYPTO 19) presented an important anonymity notion named signer-unclaimability
and constructed a lattice-based ring signature scheme with unclaimable
anonymity in the standard model, however, it did not consider the unforgeable
w.r.t. adversarially-chosen-key attack …
More from arxiv.org / cs.CR updates on arXiv.org
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