32 search results - page 4 / 7 » Security Remarks on a Group Signature Scheme with Member Del... |
ACISP
2005
Springer
15 years 6 months ago
2005
Springer
Group signature schemes with membership revocation have been intensively researched. However, signing and/or verification of some existing schemes have computational costs of O(R)...
113
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INFORMATICALT
2000
15 years 6 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...
100
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ASIACRYPT
2003
Springer
15 years 5 months ago
2003
Springer
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...
112
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ISPEC
2005
Springer
15 years 6 months ago
2005
Springer
A (t, n) threshold proxy signature scheme enables an original signer to delegate the signature authority to a proxy group of n member such that t or more than t proxy signers can ...
125
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PKC
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...