[PDF] Top 20 Group Signature without Random Oracles from Randomizable Signatures
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Group Signature without Random Oracles from Randomizable Signatures
... Our group signature thus only consists of a PS signature and a FHS one which are both re-randomizable, leading to an anonymity proof under the DDH ...valid group signature unless ... See full document
22
Sub-linear Blind Ring Signatures without Random Oracles
... ring signatures lies in the dual privacy requirement: that is the dilemma of having parts of the witness of the same proof of knowledge coming from different parties who do not trust each ...the ... See full document
21
Further Lower Bounds for Structure-Preserving Signatures in Asymmetric Bilinear Groups
... Structure-Preserving Signatures (SPSs) [4] are signature schemes over bilinear groups where the messages, the verification key and the signatures consist of only group elements from ... See full document
19
On the Security of Dynamic Group Signatures: Preventing Signature Hijacking
... secure without random oracles were only recently ...concrete group signature scheme with constant signature size by exploiting the properties of bilinear groups [19], though ... See full document
23
A New Constant-size Accountable Ring Signature Scheme Without Random Oracles
... ring signature (ARS), introduced by Xu and Yung (CARDIS 2004), combines many useful properties of ring and group ...hoc group of users, and signing on their behalf (like a ring ...with ... See full document
23
Constant Size Traceable Ring Signature Scheme without Random Oracles
... Ring signature is a useful cryptographic primitive for many anonymous applications, which makes a signer sign any message ...ring signature allows that ring member signs any message without revealing ... See full document
31
Strongly Secure Revocable ID-based Signature without Random Oracles
... new signature on ...new signature for a previously signed ...[22-25] without random oracles have been ...non-ID-based signature schemes. Re- cently, without applying any ... See full document
13
Short Randomizable Signatures
... as group signatures [BCN + 10], direct anonymous attestations [CPS10,BFG + 13], aggregate signa- tures [LLY13] or E-cash systems ...its signatures to be randomized: given a valid CL-signature ... See full document
19
Formalizing group blind signatures and practical constructions without random oracles
... Traditional group signatures, introduced by Chaum and van Heyst [19], allow a member of a group to sign a message anonymously on behalf of the group while ensuring that a recipient of the ... See full document
30
Concurrent Signature without Random Oracles
... B’s signature to acquire goods or service from B, then B can always ask A to show the keystone before providing service to ...concurrent signature schemes were proposed in the litera- ture [17, 19, ... See full document
20
A Survey on Identity Based Encryption in Cloud Computing
... thought from the most punctual beginning stage of the ...pictures without revealing information from either the compacted picture tests or the essential picture ... See full document
5
Relaxed Lattice-Based Signatures with Short Zero-Knowledge Proofs
... combining signature, commitment, and encryption schemes with zero-knowledge ...manner from Camenisch-Lysyanskaya sig- natures and generalized Schnorr ...a signature and com- mitment scheme that are ... See full document
50
Combiners for Backdoored Random Oracles
... Auxiliary inputs. As mentioned above, a closely related model to BRO is the Auxiliary-Input RO (AI-RO) model, introduced by Unruh [36] and recently refined by Dodis, Guo, and Katz [13] and Coretti et al. [11]. Here the ... See full document
52
Floppy-Sized Group Signatures from Lattices
... A group signature is a set of algorithms (GPGen, GKGen, UKGen, OKGen, GSign, GVerify, GOpen) run by a group manager, an opener and ...The group sig- nature parameters gpar are generated via ... See full document
19
Direct Chosen-Ciphertext Secure Attribute-Based Key Encapsulations without Random Oracles
... policy AB-KEM (KP-AB-KEM). For the ciphertext-policy AB-KEM (CP-AB-KEM) this is more involved. Next, we add some redundancy to the encapsulation to make it CCA-secure. As in the identity-based key encapsulation mechanism ... See full document
19
Automated Analysis in Generic Groups
... Unfortunately, the latter construction is now considered broken [CHL + 14 , CLT 14 ]. Additionally, neither construction is useful in practical schemes when the degree of multilinearity is large. For example, the paper ... See full document
119
A Transform for NIZK Almost as Efficient and General as the Fiat-Shamir Transform Without Programmable Random Oracles
... Lindell’s transform is based on a primitive named dual-mode (DM) commitment scheme (DMCS). A DMCS is based on a membership-hard language Λ and each specific commitment takes as input an instance ρ of Λ and has the ... See full document
30
Secure Data Sharing With Linkable Ring Signatures
... Ring signature is a capable candidate to build an unidentified and authentic data distribution ...ring signature, which reduces the process of certificate authentication, can be used instead ... See full document
6
Limits on the Usefulness of Random Oracles
... the random oracle model, parties are given oracle access to a random function ...function from the set of all functions), and are assumed to have unbounded computational power (though they can only ... See full document
46
Query-Complexity Amplification for Random Oracles
... the random oracle model (ROM) [BR93], we model hash functions as random ...A random oracle can be viewed as a resource that is available to all parties in a given setting, and allows each of them to ... See full document
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