Mar 22, 2005 · Multi-group signature schemes allow a signer who is a member of two groups to produce a signature that shows membership of either both groups or ...
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers ...
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When we use hierarchical group signatures to construct anonymous credit cards for the more realistic setting we let the payment network be the root manager that ...
We introduce the notion of hierarchical group signatures. This is a proper generalization of group signatures, which allows multiple group managers ...
In this thesis we investigate two separate cryptographic notions: mix-nets and hier- archical group signatures. The former notion was introduced by Chaum ...
Abstract: With privacy-preserving and traceability properties, group signature is a cryptosystem with central role in cryptography.
Hierarchical group signatures, as a proper generalization of group signatures, have splendid applications in e-commerce. One key issue for such schemes is to ...
This paper introduces a new multivariate group signature scheme employing a 5-pass identification protocol and multivariate signature scheme as its building ...
[PDF] Anonymous Role-based Delegation With Group Signatures - People
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We explain why an aggregate group signature scheme cannot be trivially obtained using existing aggregate signature scheme and one-time signing keys.
