[PDF] Top 20 Skipping the $q$ in Group Signatures
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Skipping the $q$ in Group Signatures
... We then generate new commitment keys and keys for the proof system, thus giving us the extraction keys for the commitments and the ability to simulate the proofs, using the CRS trapdoor. We send the challenge along with ... See full document
17
Scalable Group Signatures with Revocation
... in group signatures, their technique would place quite a burden on the group manager who would have to generate updates for each unrevoked individual ... See full document
30
Constant-size Group Signatures from Lattices
... Lattice-based group signatures. Lattice-based cryptography has been an exciting research area since the seminal works of Regev [55] and Gentry et al. [24]. Lattices not only allow to build powerful ... See full document
36
On the Security of Dynamic Group Signatures: Preventing Signature Hijacking
... static group signature schemes are considered i.e. the set of group members is fixed, and the private key material of each group member is generated in the setup phase of the ...the group ... See full document
23
Simpler Efficient Group Signatures from Lattices
... lattice-based group signatures in terms of the size of the group public-key, the group user secret key and the ...of group users. The other two parameters m and q are both ... See full document
31
libgroupsig: An extensible C library for group signatures
... by group signatures, several varia- tions have been proposed to add new features around the central property of ...a Group Manager who controls some secret information that allows her to revoke this ... See full document
20
Short Group Signatures via Structure-Preserving Signatures: Standard Model Security from Simple Assumptions
... 1991, group signatures allow members of a group administered by some authority to anonymously sign messages on behalf of the ...a group signature consists in having the signer encrypt his ... See full document
53
Efficient Group Signatures in the Standard Model
... Tag-based encryption, also referred to as encryption with labels, was first introduced in [22]. In these schemes, the encryption algorithm takes as input, in addition to the public key pk and the message m intended to be ... See full document
23
Adding Controllable Linkability to Pairing-Based Group Signatures For Free
... traceable signatures, denoted as real traceable ...traceable signatures are not optimal since checking whether a signature has been issued by the user of the corresponding tracing trapdoor requires ... See full document
20
Unique Group Signatures
... the group elements ...are group ele- ments the above proof as well provides proofs of ...structure-preserving signatures [2] which are compatible with Groth-Sahai proof ...and signatures are ... See full document
37
Group Signature without Random Oracles from Randomizable Signatures
... Remark 3. The BSZ model [6] defines strong security properties that are sufficient in most contexts. However, it may be possible in some situations to relax some of them, usually leading to more efficient constructions. ... See full document
22
Further Lower Bounds for Structure-Preserving Signatures in Asymmetric Bilinear Groups
... of group elements is required for various applications of SPSs, especially if the aim is to forgo relying on heuristic ...2-element signatures even if the signature consists of elements from both source ... See full document
19
Efficient Fully Structure-Preserving Signatures for Large Messages
... single group element has been well studied, the question of signing larger messages has received less ...resulting signatures to bind them ...the signatures we use, which due to the lower bound will ... See full document
22
The Virasoro Algebra: Signatures of Highest Weight Modules and the Modular Group Action
... Similar to the previous region, h p,q is well-defined for all p, q ∈ Z + . However, while the previous region had only a finite number of curves intersecting at a given point, every intersection point in ... See full document
101
Inequalities related to the third Jackson q Bessel function of order zero
... normalized q-Bessel function of order α is not clear at this ...find q ∈ [, ] and α which assure the positivity of the related trans- ...the q-translation is not positive for all q ∈ [, ] ... See full document
22
Automated Analysis in Generic Groups
... Generic Group Ana- lyzer, that takes as input a description of a cryptographic assumption or certain types of schemes and verifies the security or finds an ... See full document
119
The maximal subgroups of the unitary group PSU(6, q), where q=2^k
... A classification of the maximal subgroups of GL(n, q) by Aschbacher’s theorem {see [1]}, is a very strong tool in the finite groups for finding the maximal subgroups of finite linear groups. There are many good ... See full document
21
A New Approach to Group Signature Schemes
... the group membership secret key of any group member and the Issuer’s private ...add group members by running the Join protocol and revoke some group members by asking the Opener not to provide ... See full document
6
Representations of group rings and groups
... abelian group Q an explicit matrix P is given which diagonalises any group ring matrix of ...of Q and the character table of Q may be read off directly from the rows of the diagonalising ... See full document
14
Short structure preserving signatures
... yields signatures of size G 4 and require 3 PPE equations (7 pairings or 6 pairings and 1 elliptic curve point addition in total) to ver- ...shorter signatures and the verification algorithm is more ... See full document
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