281 search results - page 51 / 57 » Non-black-box Techniques in Cryptography |
TCC
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. One of the main open problems in secret sharing is the characterization of the access structures of ideal secret sharing schemes. As a consequence of the results by Brick...
TCC
2007
Springer
14 years 3 months ago
2007
Springer
In this work we present secure two-party protocols for various core problems in linear algebra. Our main result is a protocol to obliviously decide singularity of an encrypted matr...
ACNS
2006
Springer
14 years 3 months ago
2006
Springer
We study the influence of collision-finding attacks on the security of time-stamping schemes. We distinguish between client-side hash functions used to shorten the documents befo...
EUROCRYPT
2005
Springer
14 years 3 months ago
2005
Springer
Biometric data offer a potential source of high-entropy, secret information that can be used in cryptographic protocols provided two issues are addressed: (1) biometric data are n...
PROVSEC
2009
Springer
14 years 2 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...