401 search results - page 15 / 81 » Delegatable Functional Signatures |
INDOCRYPT
2005
Springer
14 years 1 months ago
2005
Springer
We propose a scheme for electronic cash based on symmetric primitives. The scheme is secure in the framework for universal composability assuming the existence of a symmetric CCA2-...
IJACT
2008
13 years 7 months ago
2008
: Fair exchange protocols allow both or neither of two parties to obtain the other's items, and this property is essential in e-commerce. In this paper, we construct an optimi...
CARDIS
2008
Springer
13 years 9 months ago
2008
Springer
Digital signatures are one of the most important applications of microprocessor smart cards. The most widely used algorithms for digital signatures, RSA and ECDSA, depend on finite...
ICISC
2001
13 years 9 months ago
2001
Motivated by emerging needs in online interactions, we define a new type of digital signature called a `Content Extraction Signature' (CES). A CES allows the owner, Bob, of a...
EUROCRYPT
2004
Springer
14 years 27 days ago
2004
Springer
Abstract. This work presents a new privacy primitive called “Traceable Signatures”, together with an efficient provably secure implementation. To this end, we develop the unde...