352 search results - page 21 / 71 » Cryptography in the Multi-string Model |
ASIACRYPT
2008
Springer
13 years 12 months ago
2008
Springer
Abstract. The generic (aka. black-box) group model is a valuable methodology for analyzing the computational hardness of number-theoretic problems used in cryptography. Since the p...
ACNS
2009
Springer
14 years 4 months ago
2009
Springer
We propose a new variant of the Cramer-Shoup KEM (key encapsulation mechanism). The proposed variant is more efficient than the original Cramer-Shoup KEM scheme in terms of public...
PKC
2007
Springer
14 years 4 months ago
2007
Springer
We give a short constant-size group signature scheme, which we prove fully secure under reasonable assumptions in bilinear groups, in the standard model. We achieve this result by ...
TCC
2005
Springer
14 years 3 months ago
2005
Springer
A complexity-theoretic model for public-key steganography with active attacks is introduced. The notion of steganographic security against adaptive chosen-covertext attacks (SS-CC...
BPM
2003
Springer
14 years 3 months ago
2003
Springer
We present a general methodology for integrating arbitrary security requirements in the development of business processes in a both elegant and rigorous way. We show how trust rela...