Hierarchical Identity-Based Signature with Designated Aggregator from Lattices

Computer Science > Cryptography and Security [Submitted on 12 Jun 2026] Hierarchical Identity-Based Signature with Designated Aggregator from Lattices Stuti Kumari, Kunal Dey, Vikas Srivastava, Sumit Kumar Debnath In hierarchical organizations, authenticating data from multiple users can be complex and resource-intensive. Hierarchical Identity-Based Signature with Designated Aggregator (HIBS-DA) provides an efficient solution by allowing users at different levels to generate signatures that can be combined into a single, compact signature. We first introduce the HIBS-DA framework and present the {\em{first}} lattice-based construction of HIBS-DA. Our scheme allows users at different hierarchical levels to generate individual signatures that can be aggregated into a single, compact signature, reducing communication and verification costs. The proposed construction is secure, correct, and resistant to forgery, making it suitable for large-scale environments such as universities, corporations, and government agencies. Subjects: Cryptography and Security (cs.CR); Information Theory (cs.IT) MSC classes: 94A60 Cite as: arXiv:2606.14090 [cs.CR]   (or arXiv:2606.14090v1 [cs.CR] for this version)   https://doi.org/10.48550/arXiv.2606.14090 Focus to learn more Submission history From: Kunal Dey [view email] [v1] Fri, 12 Jun 2026 04:06:17 UTC (726 KB) Access Paper: HTML (experimental) view license Current browse context: cs.CR < prev   |   next > new | recent | 2026-06 Change to browse by: cs cs.IT math math.IT References & Citations NASA ADS Google Scholar Semantic Scholar Export BibTeX Citation Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Demos Related Papers About arXivLabs Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)