139 search results - page 26 / 28 » On the Security of Two Key-Updating Signature Schemes |
SP
2007
IEEE
14 years 1 months ago
2007
IEEE
An electronic cash (e-cash) scheme lets a user withdraw money from a bank and then spend it anonymously. E-cash can be used only if it can be securely and fairly exchanged for ele...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
We extend the definitional work of Dwork, Naor and Sahai from deniable authentication to deniable key-exchange protocols. We then use these definitions to prove the deniability fe...
EUROCRYPT
2000
Springer
13 years 11 months ago
2000
Springer
We discuss the following problem: Given an integer shared secretly among n players and a prime number e, how can the players efficiently compute a sharing of e-1 mod . The most in...
ACISP
2001
Springer
13 years 12 months ago
2001
Springer
An English auction is the most familiar type of auctions. Generally, an electronic auction has mainly two entities, the registration manager(RM) who treats the registration of bidd...
EUROCRYPT
2006
Springer
13 years 11 months ago
2006
Springer
The Isomorphism of Polynomials (IP) [28], which is the main concern of this paper, originally corresponds to the problem of recovering the secret key of a C scheme [26]. Besides, t...