Floppy-size group signatures from lattices

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August undefined, 2024

WebJan 7, 2024 · A New Constant-Size Group Signature Scheme From Lattices Abstract: A lattice-based group signature scheme (LGSS) is an active cryptographic primitive, … WebWe present the first lattice-based group signature scheme whose cryptographic artifacts are of size small enough to be usable in practice: for a group of $$2^{25}$$ 2 25 users, signatures take 910 kB and public keys are 501 kB. Our scheme builds …

Accountable Tracing Signatures from Lattices - arXiv

WebThe rst group signature from lattices was introduced by Gordon et al. [GKV10]. While their scheme is of great theoretical interest, its public key and signature have sizes NOe(n2), for ... [GKV10], but the signature size is still linear in N. The linear-size barrier was nally overcome by Laguillaumie et al. [LLLS13], who designed WebMar 1, 2024 · Lattice-based group signature is an active research topic in recent years. Since the pioneering work by Gordon, Katz and Vaikuntanathan (Asiacrypt 2010), ten other schemes have been proposed, providing various improvements in terms of security, efficiency and functionality. bistoline blood pressure medication

Floppy-Sized Group Signatures from Lattices - Springer

WebThis work presents the first lattice-based group signature scheme whose cryptographic artifacts are of size small enough to be usable in practice: for a group of \$2^{25}\$ … WebNov 20, 2024 · In general, the group signature size increases the number of group members. However, the schemes are also proposed with the constant signature size. ... Floppy-Sized Group Signatures from Lattices ... WebSimpler Efﬁcient Group Signatures from Lattices Phong Nguyen1,Jiang Zhang 2, Zhenfeng Zhang 1INRIA, France and Tsinghua University, China 2Institute of Software, Chinese Academy of Sciences PKC 2015 (March 30 — April 1, 2015) NIST — Gaithersburg, Maryland USA Jiang Zhang (TCA) Simpler Efﬁcient Group Signatures from Lattices … darth vader vs darth maul comic

Forward-Secure Group Signatures from Lattices - Semantic Scholar

WebJan 18, 2024 · Group signature is a fundamental cryptographic primitive, aiming to protect anonymity and ensure accountability of users. It allows group members to anonymously … WebFloppy-Sized Group Signatures from Lattices Cecilia Boschini 1;2( ), Jan Camenisch , and Gregory Neven 1 IBM Research, Zurich, Switzerland ... Abstract. We present the rst … bisto low salt gravyWebFloppy-Sized Group Signatures from Lattices 165 The problem with this approach is that the Lyubashevsky-Neven vﬁ encryption scheme encrypts the full witness [S ; ¯b ; m¯ ; … darth vader vs hitler 3 lyrics

"WebSep 30, 2024 · Published: November 2024. Abstract. We propose the first lattice-based dynamic group signature scheme achieving forward security. Our scheme is proven to be secure against framing attack, misidentification attack and preserves anonymity under the learning with errors ( L W E) and short integer solution ( S I S) assumptions in the … " - Floppy-size group signatures from lattices

Floppy-size group signatures from lattices

Lattice-Based Group Signatures with Logarithmic …

Web1.3 Applications to Group Signatures and Credentials Group signatures [12] are schemes that allow members of a group to sign messages on behalf of the group without revealing their identity. In case of a dispute, the group manager can lift a signer’s anonymity and reveal his identity. Currently known group signatures based on lattice ... WebAbstract. A group signature allows a group member to anonymously sign mes-sages on behalf of the group. In the past few years, new group signatures based on lattice problems have appeared: the most efﬁcient lattice-based constructions are due to Laguillaumie et al. (Asiacrypt ’13) and Langlois et al. (PKC ’14). Both

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WebMay 21, 2024 · Paper 2024/453 Floppy-Sized Group Signatures from Lattices. Cecilia Boschini, Jan Camenisch, and Gregory Neven Abstract. We present the first lattice … WebDec 7, 2024 · The only known attribute-based group signature from lattices that has a dynamic feature was put forward by Kuchta et al. [ 14 ]. Their scheme handles the user enrollment problem, however, users cannot be revoked. The support for membership revocation is a desirable functionality for group signature scheme.

WebCecilia Boschini, Jan Camenisch, and Gregory Neven. 2024. Floppy-Sized Group Signatures from Lattices. In ACNS. 163--182. ... San Ling, Khoa Nguyen, and … WebIn this work, we introduce the ﬁrst constant-size group signature from lattices, which means that the size of signatures produced by the scheme is independent of Nand only …

Webtool led to the design of elegant compact group signatures [10,25] whose security relies on pairing-related assumptions. The resulting signatures typically consist in a constant number of elements of a group admitting a secure and e cient bilinear map. Lattices and Group Signatures. Lattices are emerging as a promising al- WebFeb 18, 2024 · Multi-group signature (MGS), introduced by Ateniese and Tsudik (FC’99), is a proper generalization of group signature. It allows signers to sign messages anonymously on behalf of multiple groups and has extensive applications in …

WebJan 25, 2024 · To reduce potential damages caused by key exposure attacks, Song (CCS 2001) put forward the concept of forward-secure group signatures (FSGS). For the time being, all known secure FSGS schemes are based on number-theoretic assumptions, and are vulnerable against quantum computers. In this work, we construct the first lattice …

WebJan 18, 2024 · signature size Oe(λ(logN+ logT)), group public key size Oe(λ2(logN+ logT)), and secret key size Oe(λ2(logN+ logT)2 logT). In particular, forward security is achieved with a reasonable cost: the size of keys and signatures are at most O(log3 T) larger than those of the basic GS scheme [33] upon which we build ours. Overview of … bisto meat freeWebJan 25, 2024 · This paper describes the first lattice-based group signature schemes where the signature and public key sizes are essentially logarithmic in N (for any fixed security level) and proves the security of the schemes in the random oracle model under the SIS and LWE assumptions. 135 PDF bisto low salt gravy granulesWebJun 10, 2024 · We present an improved lattice-based group signature scheme whose parameter sizes and running times are independent of the group size. The signature … bisto meat free hotpotWebrecently active topic of lattice-based group signatures. Lattice-based group signatures. The ﬁrst lattice-based group signature scheme was introduced by Gordon, Katz and Vaikuntanathan in 2010 [20]. Sub-sequently, numerous schemes oﬀering improvements in terms of security and eﬃciency have been proposed [12,26,34,48,30,28,9,51]. bisto mealsWebJul 16, 2015 · I'd like to have you review my understanding/planning for SLOG size and clarify transaction group sizing: System: X8DTN+ / 2x Intel 5520 2.4Ghz / 72GB RAM … bisto historyWebConstant-size group signatures from lattices. In PKC 2024, volume 10770 of LNCS, pages 58-88. Springer, 2024. 3.San Ling, Khoa Nguyen, Huaxiong Wang, and Yanhong Xu. Forward-secure group signatures from lattices. CoRR, abs/1801.08323, 2024. Submitted to PQCrypto 2024. 4.San Ling, Khoa Nguyen, Huaxiong Wang, and Yanhong Xu. Lattice … darth vader vs obi wan fightWebThe signature size of our isogeny-based construction is an order of magnitude smaller than all previously known post-quantum group signatures (e.g., 6.6 KB for 64 members). In comparison, our lattice-based construction has a larger signature size (e.g., either 126 KB or 89 KB for 64 members depending on the satisfied security property). bisto meatball gravy