{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,28]],"date-time":"2026-06-28T05:55:29Z","timestamp":1782626129117,"version":"3.54.5"},"reference-count":29,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2023,8,2]],"date-time":"2023-08-02T00:00:00Z","timestamp":1690934400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>Blind signatures have been widely applied when privacy preserving is required, and the delegation of blind signature rights and a proxy blind signature (Proxy-BS) become necessary when the signer cannot sign. Existing Proxy-BS schemes are based on traditional cryptographically hard problems, and they cannot resist quantum attacks. Moreover, most current Proxy-BS schemes depend on public key infrastructure (PKI), which leads to high certificate storage and management overhead. To simplify key management and resist quantum attacks, we propose a post-quantum secure identity-based proxy blind signature (ID-Proxy-BS) scheme on a lattice using a matrix cascade technique and lattice cryptosystem. Under the random oracle model (ROM), the security of the proposed scheme is proved. Security shows that the proposed scheme assures security against quantum attacks and satisfies the correctness, blindness, and unforgeability. In addition, we apply the ID-Proxy-BS scheme on a lattice to e-voting and propose a quantum-resistant proxy e-voting system, which is resistant to quantum attacks and achieves the efficiency of e-voting.<\/jats:p>","DOI":"10.3390\/e25081157","type":"journal-article","created":{"date-parts":[[2023,8,2]],"date-time":"2023-08-02T11:04:38Z","timestamp":1690974278000},"page":"1157","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Post-Quantum Secure Identity-Based Proxy Blind Signature Scheme on a Lattice"],"prefix":"10.3390","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5730-3315","authenticated-orcid":false,"given":"Fengyin","family":"Li","sequence":"first","affiliation":[{"name":"School of Computer Science, Qufu Normal University, Rizhao 276800, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengjiao","family":"Yang","sequence":"additional","affiliation":[{"name":"School of Computer Science, Qufu Normal University, Rizhao 276800, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhihao","family":"Song","sequence":"additional","affiliation":[{"name":"School of Computer Science, Qufu Normal University, Rizhao 276800, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ping","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Computer Science, Qufu Normal University, Rizhao 276800, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guoping","family":"Li","sequence":"additional","affiliation":[{"name":"School of Computer Science, Qufu Normal University, Rizhao 276800, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,2]]},"reference":[{"key":"ref_1","first-page":"225","article-title":"An Improvement on a Practical Secret Voting Scheme","volume":"Volume 1729","author":"Mambo","year":"1999","journal-title":"Lecture Notes in Computer Science, Proceedings of the Information Security, Second International Workshop, ISW\u201999, Kuala Lumpur, Malaysia, 6\u20137 November 1999"},{"key":"ref_2","unstructured":"Amit, K., and Sunder, L. 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