985 search results - page 25 / 197 » On the validity of digital signatures |
TCSV
2008
13 years 8 months ago
2008
The characterization of a video segment by a digital signature is a fundamental task in video processing. It is necessary for video indexing and retrieval, copyright protection and...
MMSEC
2005
ACM
14 years 2 months ago
2005
ACM
Digital watermarking is a technology to hide information in digital media. We extend the digital watermarking technique Phasemark™, originally developed solely for image authent...
FTDCS
2003
IEEE
14 years 2 months ago
2003
IEEE
Various schemes have been proposed to achieve strong authenticationof streamed data in a lossy network by means of “light” digital signatures. Such techniques perform a strong...
CSFW
2005
IEEE
14 years 2 months ago
2005
IEEE
In the analysis of security protocols, the knowledge of attackers is often described in terms of message deducibility and indistinguishability relations. In this paper, we pursue ...
CCS
2010
ACM
13 years 9 months ago
2010
ACM
An aggregate signature scheme is a digital signature scheme where anyone given n signatures on n messages from n users can aggregate all these signatures into a single short signa...