8 search results - page 2 / 2 » Oblivious Signatures |
116
Voted
PKC
2009
Springer
16 years 1 months ago
2009
Springer
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...
101
Voted
ECCC
2007
15 years 24 days ago
2007
We show how to construct a variety of “trapdoor” cryptographic tools assuming the worst-case hardness of standard lattice problems (such as approximating the length of the sho...
112
Voted
JOC
2008
15 years 24 days ago
2008
In the setting of concurrent self composition, a single protocol is executed many times concurrently by a single set of parties. In this paper, we prove lower bounds and impossibi...