ACISP
2009
Springer
13 years 9 months ago
2009
Springer
Abstract. We establish a framework for bounding the efficiency of cryptographic reductions in terms of their security transfer. While efficiency bounds for the reductions have been...
FSTTCS
2001
Springer
13 years 9 months ago
2001
Springer
For any class C und closed under NC1 reductions, it is shown that all sets complete for C under first-order (equivalently, Dlogtimeuniform AC0 ) reductions are isomorphic under ...
PROVSEC
2009
Springer
13 years 9 months ago
2009
Springer
Abstract. Oracle separation methods are used in cryptography to rule out blackbox reductions between cryptographic primitives. It is sufficient to find an oracle relative to whic...
MFCS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. The parameterized complexity classes of the W -hierarchy are usually defined as the problems reducible to certain natural complete problems by means of fixed-parameter ...