790 search results - page 11 / 158 » Hierarchical Group Signatures |
114
Voted
INFORMATICALT
2000
15 years 16 days ago
2000
In the (t, n) proxy signature scheme, the signature, originally signed by a signer, can be signed by t or more proxy signers out of a proxy group of n members. Recently, an efficie...
PST
2004
15 years 2 months ago
2004
This paper presents the first mediated hierarchical identity-based encryption and signature schemes. Both schemes are designed to support information access control in hierarchical...
108
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WS
2003
ACM
15 years 6 months ago
2003
ACM
Recent results indicate scalability problems for flat ad hoc networks. To address the issue of scalability, self-organizing hierarchical ad hoc architectures are being investigat...
140
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ASIACRYPT
2004
Springer
15 years 4 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
CARDIS
2004
Springer
15 years 6 months ago
2004
Springer
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...