Traceable Signatures from Lattices
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914117875400704 |
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| author | Tran, Nam Nguyen, Khoa Liu, Dongxi Pieprzyk, Josef Susilo, Willy |
| author_facet | Tran, Nam Nguyen, Khoa Liu, Dongxi Pieprzyk, Josef Susilo, Willy |
| contents | Traceable signatures (Kiayas et al., EUROCRYPT 2004) is an anonymous digital signature system that extends the tracing power of the opening authority in group signatures. There are many known constructions of traceable signatures, but all are based on number-theoretic/pairing assumptions. For such reason, they may not be secure in the presence of quantum computers. This work revisits the notion of traceable signatures and presents a lattice-based construction provably secure in the quantum random oracle model (QROM). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_24101 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Traceable Signatures from Lattices Tran, Nam Nguyen, Khoa Liu, Dongxi Pieprzyk, Josef Susilo, Willy Cryptography and Security Traceable signatures (Kiayas et al., EUROCRYPT 2004) is an anonymous digital signature system that extends the tracing power of the opening authority in group signatures. There are many known constructions of traceable signatures, but all are based on number-theoretic/pairing assumptions. For such reason, they may not be secure in the presence of quantum computers. This work revisits the notion of traceable signatures and presents a lattice-based construction provably secure in the quantum random oracle model (QROM). |
| title | Traceable Signatures from Lattices |
| topic | Cryptography and Security |
| url | https://arxiv.org/abs/2510.24101 |