773 search results - page 38 / 155 » On Cryptographic Assumptions and Challenges |
125
click to vote
IJNSEC
2011
14 years 9 months ago
2011
In this paper, we reinvestigate the security analysis of blind signature scheme over braid groups proposed by Verma in 2008. A blind signature scheme is a cryptographic primitive ...
130
click to vote
STOC
2009
ACM
16 years 2 months ago
2009
ACM
We consider the following question: given a two-argument boolean function f, represented as an N ? N binary matrix, how hard is to determine the (deterministic) communication comp...
142
click to vote
ICQNM
2008
IEEE
15 years 8 months ago
2008
IEEE
Coin flipping is a cryptographic primitive in which two spatially separated players, who in principle do not trust each other, wish to establish a common random bit. If we limit ...
136
click to vote
CRYPTO
2007
Springer
15 years 8 months ago
2007
Springer
Round complexity is a central measure of efficiency, and characterizing the round complexity of various cryptographic tasks is of both theoretical and practical importance. We show...
119
click to vote
CTRSA
2001
Springer
15 years 6 months ago
2001
Springer
Safe long-term storage of user private keys is a problem in client/server systems. The problem can be addressed with a roaming system that retrieves keys on demand from remote cred...