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structure-preserving

Short structure preserving signatures

Short structure preserving signatures

... unilateral structure-preserving signatures in the Type-III setting result of Abe et ...combining structure-preserving signature schemes with Groth-Sahai proofs as the number of pairings ...

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Improved (Almost)  Tightly-Secure  Structure-Preserving  Signatures

Improved (Almost) Tightly-Secure Structure-Preserving Signatures

... In this paper, we further improve on the SPS scheme of Abe, Hofheinz, Nishimaki, Ohkubo and Pan (CRYPTO 2017) while maintaining only an O(λ)-factor security reduction loss to the SXDH assumption. In partic- ular, we ...

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Structure-Preserving Modeling of Safety-Critical Combinational Circuits

Structure-Preserving Modeling of Safety-Critical Combinational Circuits

... In order to ensure the functional safety of circuits or systems which are regarded as critical to safety, the mu- tual convert of models and functions is of great importance. The inconsistency problem is omnipresent; ...

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Lower  Bounds  on  Structure-Preserving  Signatures  for  Bilateral  Messages

Lower Bounds on Structure-Preserving Signatures for Bilateral Messages

... - A tight lower bound for bilateral messages in Type-III groups. As illustrated in Table 1, this constitutes the last missing piece for structure preserving signatures over Type-III groups. We show that ...

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More  Efficient (Almost)  Tightly  Secure  Structure-Preserving  Signatures

More Efficient (Almost) Tightly Secure Structure-Preserving Signatures

... From MACs to signatures and structure-preserving signatures. Fortunately, our core lemma can be used to prove not only our MAC scheme, but also a suitable signature and SPS scheme tightly secure. To ...

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Structure-Preserving  Signatures  from  Standard  Assumptions,  Revisited

Structure-Preserving Signatures from Standard Assumptions, Revisited

... [29]. Structure- preserving signatures have found numerous applications in public-key cryptography, such as blind signatures [4, 25], group signatures [27, 28, 4, 25, 39], homomorphic signatures [37], ...

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Efficient  Fully  Structure-Preserving  Signatures  for  Large  Messages

Efficient Fully Structure-Preserving Signatures for Large Messages

... fully structure-preserving signatures that only grow propotionately to the square root of the message ...in structure-preserving signatures one cannot use collision-resistant hash-functions to ...

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Structure-Preserving  Signatures  on  Equivalence  Classes   and  Constant-Size  Anonymous  Credentials

Structure-Preserving Signatures on Equivalence Classes and Constant-Size Anonymous Credentials

... Our contributions can be broken down as follows: (1) Introduction and instantiation of SPS on equivalence classes (SPS-EQ), which are defined on group element vectors; (2) a randomizable set commitment scheme that ...

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Cryptanalysis  of  the  Structure-Preserving  Signature  Scheme  on  Equivalence  Classes  from  Asiacrypt 2014

Cryptanalysis of the Structure-Preserving Signature Scheme on Equivalence Classes from Asiacrypt 2014

... called structure-preserving signature scheme on equivalence classes (SPS-EQ), which allows to sign at one time an equivalence class of a group- element vector instead of just the vector ...

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Further  Lower  Bounds  for  Structure-Preserving  Signatures  in  Asymmetric  Bilinear  Groups

Further Lower Bounds for Structure-Preserving Signatures in Asymmetric Bilinear Groups

... SPS schemes on Diffie-Hellman pairs have rendered themselves as a tool to get around the known lower bounds for SPS schemes thus improving effi- ciency without being too restrictive as they suffice for many applications ...

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Full and Model Reduced Structure Preserving Simulation of Incompressible Fluids

Full and Model Reduced Structure Preserving Simulation of Incompressible Fluids

... We will first define the discrete, reduced scalar and velocity fields on which our functional map Lie group will act. Extending what was advocated in [10], we expand functions and vector fields using the orthonormal ...

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Constant-Size  Structure-Preserving  Signatures:  Generic  Constructions   and  Simple  Assumptions

Constant-Size Structure-Preserving Signatures: Generic Constructions and Simple Assumptions

... the structure-preserving and constant-size properties from the underlying ...constant-size structure-preserving signature schemes that produce signatures consisting of only 11 to 17 group ...

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A structure-preserving matrix method for the deconvolution of two Bernstein basis polynomials

A structure-preserving matrix method for the deconvolution of two Bernstein basis polynomials

... Tœpliz structure of the coefficient matrix is preserved, that is, a structure-preserving matrix method is ...the structure-preserving matrix method with respect to the least squares ...

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Fully  Structure-Preserving  Signatures   and  Shrinking  Commitments

Fully Structure-Preserving Signatures and Shrinking Commitments

... space for commitment and that for verification, we call such schemes γ-binding commitments. Finding a concrete construction satisfying the shrinking property is another challenge. There are commitment schemes whose ...

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Structure-Preserving Discretization of Incompressible Fluids

Structure-Preserving Discretization of Incompressible Fluids

... with structure preservation in mind — in fact, recent work ...contrast, structure preserving methods (so-called geometric integrators) have recently been popular in the context of Lagrangian dynamics ...

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Structure Preserving Integrators and Hamel's Equations.

Structure Preserving Integrators and Hamel's Equations.

... This dissertation provides an exposition and examination of structure preserving integrators that are motivated by Hamel’s formalism of Lagrangian mechanical systems. The work presented is guided by two ...

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Type 2  Structure-Preserving  Signature  Schemes  Revisited

Type 2 Structure-Preserving Signature Schemes Revisited

... actual structure of the underlying groups and subgroup membership testing of group elements in signatures, we show that the schemes are not as efficient as ...mathematical structure of asymmetric pairing, ...

24

Automated  algebraic  analysis  of  structure-preserving  signature  schemes

Automated algebraic analysis of structure-preserving signature schemes

... of structure-preserving signature schemes and the tool CheckSPS , that can be used in the security analysis of these schemes for different security objectives (EUF and sEUF) and using different capabilities ...

9

Structure-Preserving  Signatures  from  Type  II  Pairings

Structure-Preserving Signatures from Type II Pairings

... investigate structure-preserving signatures in asymmetric bilinear groups with an efficiently com- putable homomorphism from one source group to the other, ...respectively), ...

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Structure Preserving Pipelines for Digital Libraries

Structure Preserving Pipelines for Digital Libraries

... domain. ParsCit comes with general CRF trained models; unfortunately, they do not perform well on archeology documents. There are some particulari- ties of archeology repository articles that require the retraining of ...

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