Communications of the ACM
Threshold Ring Signatures and Applications to Ad-hoc Groups
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
Short Signatures from the Weil Pairing
ASIACRYPT '01 Proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
ASIACRYPT '01 Proceedings of the 7th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
ID-Based Blind Signature and Ring Signature from Pairings
ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Multi-signatures in the plain public-Key model and a general forking lemma
Proceedings of the 13th ACM conference on Computer and communications security
Multi-designated verifiers signatures: anonymity without encryption
Information Processing Letters
Secure universal designated verifier signature without random oracles
International Journal of Information Security
Designated verifier proofs and their applications
EUROCRYPT'96 Proceedings of the 15th annual international conference on Theory and application of cryptographic techniques
Efficient ring signatures without random oracles
PKC'07 Proceedings of the 10th international conference on Practice and theory in public-key cryptography
PKC'07 Proceedings of the 10th international conference on Practice and theory in public-key cryptography
Universal designated verifier signature without delegatability
ICICS'06 Proceedings of the 8th international conference on Information and Communications Security
Designated verifier signature schemes: attacks, new security notions and a new construction
ICALP'05 Proceedings of the 32nd international conference on Automata, Languages and Programming
An (n - t)-out-of-n threshold ring signature scheme
ACISP'05 Proceedings of the 10th Australasian conference on Information Security and Privacy
Short designated verifier proxy signature from pairings
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Universal designated verifier ring signature (proof) without random oracles
EUC'06 Proceedings of the 2006 international conference on Emerging Directions in Embedded and Ubiquitous Computing
Short signature and universal designated verifier signature without random oracles
ACNS'05 Proceedings of the Third international conference on Applied Cryptography and Network Security
Designated verifier signatures: anonymity and efficient construction from any bilinear map
SCN'04 Proceedings of the 4th international conference on Security in Communication Networks
Separable linkable threshold ring signatures
INDOCRYPT'04 Proceedings of the 5th international conference on Cryptology in India
On the security models of (threshold) ring signature schemes
ICISC'04 Proceedings of the 7th international conference on Information Security and Cryptology
Identity based threshold ring signature
ICISC'04 Proceedings of the 7th international conference on Information Security and Cryptology
On delegatability of four designated verifier signatures
ICICS'05 Proceedings of the 7th international conference on Information and Communications Security
Universal designated verifier signatures without random oracles or non-black box assumptions
SCN'06 Proceedings of the 5th international conference on Security and Cryptography for Networks
The power of identification schemes
PKC'06 Proceedings of the 9th international conference on Theory and Practice of Public-Key Cryptography
Ring signatures: stronger definitions, and constructions without random oracles
TCC'06 Proceedings of the Third conference on Theory of Cryptography
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The privacy and anonymity of a signer and the integrity and authenticity of a message are important. Generally, whenever the signer states the authenticity of a message (by producing a signature on that message), the privacy and anonymity of that signer on the respective message will immediately be exposed. Universal Designated Verifier Signature is a cryptographic primitive that is designed to preserve the signer's authenticity together with limiting the signer's privacy. This is obtained by allowing any signature holder to convince a third party that the signature produced by the signer is authentic. In this work, we extend this notion by controlling the ability of the signature holder to convince any verifier if and only if the signature holder holds sufficient signatures from n signers on the same message. This kind of primitives is very useful in many scenarios. We formalize this notion as a universal designated verifier signature with threshold-signers and provide a concrete scheme to realize it.