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Proper Usage of the Group Signature Scheme in ISO/IEC 20008-2
Group signature Cryptanalysis ISO/IEC 20008-2 SGX
2019/3/18
In ISO/IEC 20008-2, several anonymous digital signature schemes are specified. Among these, the scheme denoted as Mechanism 6, is the only plain group signature scheme that does not aim at providing a...
A Revocable Group Signature Scheme with Scalability from Simple Assumptions and Its Application to Identity Management
Group Signatures Anonymity Revocation
2019/1/26
Group signatures are signatures providing signer anonymity where signers can produce signatures on behalf of the group that they belong to. Although such anonymity is quite attractive considering priv...
Leakage-Resilient Group Signature: Definitions and Constructions
group signature full anonymity full traceability
2019/1/9
Group signature scheme provides group members a way to sign messages without revealing their identities. Anonymity and traceability are two essential properties in a group signature system. However, t...
Group signature is a central tool for privacy-preserving protocols, ensuring authentication, anonymity and accountability. It has been massively used in cryptography, either directly or through varian...
Group signature is a useful cryptographic primitive, which makes every group member sign messages on behalf of a group they belong to. Namely group signature allows that group member anonymously signs...
G-Merkle: A Hash-Based Group Signature Scheme From Standard Assumptions
Hash-based Crypto One-Way Functions Group Signatures
2018/3/23
Hash-based signature schemes are the most promising cryptosystem candidates in a post-quantum world, but offer little structure to enable more sophisticated constructions such as group signatures. Gro...
Forward Secure Efficient Group Signature in Dynamic Setting using Lattices
Lattice based cryptography Dynamic group signature forward security
2017/11/28
Secret key exposure is at high risk in the computing infrastructure due to the increase in use of harmful devices. As a result, achieving forward secrecy is a preferable feature for any cryptosystem w...
This work is the extended version of [1] which proposed the first code-based group sig- nature. The new group signature scheme we present here has numerous advantages over all existing post-quantum co...
Shortening the Libert-Peters-Yung Revocable Group Signature Scheme by Using the Random Oracle Methodology
group signature revocation scalability
2016/5/20
In EUROCRYPT 2012, Libert, Peters and Yung (LPY) proposed the first scalable revocable group signature (R-GS) scheme in the standard model which achieves constant signing/verification costs and other ...
Lattice-based Group Signature Scheme with Verifier-local Revocation
group signature verifier-local revocation lattice-based cryptography
2016/1/26
Support of membership revocation is a desirable functionality for any group signature scheme.
Among the known revocation approaches, verifier-local revocation (VLR) seems to be the most flexible one,...
Group Signature with Deniability: How to Disavow a Signature
group signature deniability non-interactive zero-knowledge proof
2016/1/4
Group signatures are a class of digital signatures with enhanced privacy. By using this type of
signature, a user can sign a message on behalf of a specific group without revealing his identity, but ...
A Provably Secure Group Signature Scheme from Code-Based Assumptions
code-based cryptography group signatures zero-knowledge protocols
2015/12/30
We solve an open question in code-based cryptography by
introducing the first provably secure group signature scheme from codebased
assumptions. Specifically, the scheme satisfies the CPA-anonymity
...
Backward Unlinkability for a VLR Group Signature Scheme with Efficient Revocation Check
group signatures veri er-local revocation backward unlinkability
2011/7/25
Verifier-Local Revocation (VLR) group signatures, introduced by Boneh and Shacham in 2004 are a particular case of dynamic group signature schemes where the revocation process does not influence the a...
Backward Unlinkability for a VLR Group Signature Scheme with Efficient Revocation Check
cryptographic protocols / group signatures verifier-local revocation backward unlinkability efficiency revocation check
2012/3/27
Verifier-Local Revocation (VLR) group signatures, introduced by Boneh and Shacham in 2004 are a particular case of dynamic group signature schemes where the revocation process does not influence the a...
A Novel Group Signature Scheme Based on MPKC
cryptographic protocols / multivariate public-key cryptosystem group signature isomorphism of polynomials e-voting
2012/3/29
Group signature allows a group member to sign messages anonymously on the behalf of a group. In the case of a dispute, the designated group manager can open the signature to reveal the identity of its...