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EUROCRYPT
1995
Springer
13 years 9 months ago
1995
Springer
Abstract. We introduce Verifiable Signature Sharing (VCS), a cryptographic primitive for protecting digital signatures. VCS enables the holder of a digitally signed document, who m...
ACISP
2003
Springer
13 years 9 months ago
2003
Springer
In some practical circumstances, the ability of a signer should be restricted. In group signature schemes, a group member may be allowed to generate signatures up to a certain numb...
EUROCRYPT
2004
Springer
13 years 10 months ago
2004
Springer
For the last two decades the notion and implementations of proxy signatures have been used to allow transfer of digital signing power within some context (in order to enable flexi...
CCS
2006
ACM
13 years 9 months ago
2006
ACM
A multi-signature scheme enables a group of signers to produce a compact, joint signature on a common document, and has many potential uses. However, existing schemes impose key s...