34 search results - page 2 / 7 » Strong Cryptography from Weak Secrets |
TCC
2007
Springer
14 years 3 months ago
2007
Springer
The informal goal of a watermarking scheme is to “mark” a digital object, such as a picture or video, in such a way that it is difficult for an adversary to remove the mark wit...
JDCTA
2010
13 years 4 months ago
2010
In visual cryptography, the secret can be any written text, graphical representation, or picture. This technique, some time called visual secret sharing (VSS), allows visual infor...
CHES
2011
Springer
12 years 9 months ago
2011
Springer
Randomness extractors are important tools in cryptography. Their goal is to compress a high-entropy source into a more uniform output. Beyond their theoretical interest, they have ...
EUROCRYPT
2003
Springer
14 years 3 months ago
2003
Springer
Perfectly secret message transmission can be realized with only partially secret and weakly correlated information shared by the parties as soon as this information allows for the ...
ICC
2008
IEEE
14 years 4 months ago
2008
IEEE
—In this paper, we discuss how to prevent users’ passwords from being stolen by adversaries. We propose differentiated security mechanisms in which a user has the freedom to ch...