149 search results - page 8 / 30 » A Scheme for Obtaining a Message from the Digital Multisigna... |
DPHOTO
2009
13 years 6 months ago
2009
The lifetime of solid-state image sensors is limited by the appearance of defects, particularly hot-pixels, which we have previously shown to develop continuously over the sensor ...
ISPEC
2005
Springer
14 years 2 months ago
2005
Springer
A (t, n) threshold proxy signature scheme enables an original signer to delegate the signature authority to a proxy group of n member such that t or more than t proxy signers can ...
DAM
2006
13 years 8 months ago
2006
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
IJNSEC
2007
13 years 8 months ago
2007
Image steganography is a covert communication method that uses an image as the cover to hide the truth from potential attackers that some secret message hidden in the image is bei...
SCN
2010
Springer
13 years 6 months ago
2010
Springer
This paper introduces and explores the new concept of Time-Specific Encryption (TSE). In (Plain) TSE, a Time Server broadcasts a key at the beginning of each time unit, a Time Inst...