96 search results - page 12 / 20 » On provenance and privacy |
APVIS
2007
13 years 9 months ago
2007
Email has become an integral method of communication. However, it is still plagued by vast amounts of spam. Many statistical techniques, such as Bayesian filtering, have been app...
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
In this article, a new fragile, blind, high payload capacity, ROI (Region of Interest) preserving Medical image watermarking (MIW) technique in the spatial domain for grayscale med...
COMSUR
2011
12 years 7 months ago
2011
Abstract—Exchanging cryptographic keys to encrypt the media stream in the Session Initiation Protocol (SIP) has proven difficult. The challenge is to effectively exchange keys w...
IEEEARES
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— Most e-government applications have to find a solution for simple, reliable, secure and authentic signing of official documents. Citizens need a simple way to verify ...
EUROPKI
2007
Springer
13 years 11 months ago
2007
Springer
Time Capsule Signature, first formalized by Dodis and Yum in Financial Cryptography 2005, is a digital signature scheme which allows a signature to bear a (future) time t so that t...