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With Attribute-based Signatures (ABS) users can simultaneously sign messages and prove compliance of their attributes, issued by designated attribute authorities, with some verification policy. Neithe...
This paper presents the first attribute-based signature (ABS) scheme in which the correspondence between signers and signatures is captured in an arithmetic model of computation. Specifically, we desi...
In this work, we revisit multi-authority attribute based signatures (MA-ABS), and elaborate on the limitations of the current MA-ABS schemes to provide a hard to achieve (yet very useful) combination ...
Attribute-based signature (ABS) schemes are advanced signature schemes that simultaneously provide fine-grained authentication while protecting privacy of the signer. Previously known expressive ABS s...
Despite the recent advances in attribute-based signatures (ABS), no schemes have yet been considered under a strong privacy definition. We enhance the security of ABS by presenting a strengthened simu...
Attribute-based Signatures (ABS) are a powerful tool allowing users with attributes issued by authorities to sign messages while also proving that their attributes satisfy some policy. ABS schemes pro...
In this work, we affirmatively close the gap between ABS schemes based on bilinear maps and lattices by constructing the first lattice-based ABS scheme for unbounded circuits in the random oracle mode...
Attribute-based signatures (ABS) support restricted signing keys which allow signers to sign messages with respect to specific signing credentials or attributes that are accepted by the signing polici...
In Attribute-Based Signatures (ABS; first defined by Maji, Prabhakaran and Rosulek, CT-RSA 2011) an authority can generate multiple signing keys, where each key is associated with an attribute xx. Mes...
Attribute based signature schemes (ABS) constitute important and powerful primitives when it comes to protecting the privacy of the user's identity and signing information. More specifically, ABS sche...
Anonymous credential systems enable users to authenticate themselves in a privacy-preserving manner. At the conference ESORICS 2016, Kaaniche and Laurent presented an anonymous certification scheme b...
In attribute-based signatures, each signer receives a signing key from the authority, which is associated with the signer’s attribute, and using the signing key, the signer can issue a signature on ...
In this work, we revisit the notion of Decentralized Traceable Attribute-Based Signatures (DTABS) introduced by El Kaafarani et al. (CT-RSA 2014) and improve the state-of-the-art in three dimensions:...
Attribute-based signatures, introduced by Maji \emph{et al.}, are signatures that prove that an authority has issued the signer ``attributes'' that satisfy some specified predicate. In existing attrib...
Attribute-based signatures allow a signer owning a set of attributes to anonymously sign a message w.r.t.\ some signing policy. A recipient of the signature is convinced that a signer with a set of at...

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