63 search results - page 3 / 13 » Detecting covert timing channels: an entropy-based approach |
SP
2008
IEEE
13 years 6 months ago
2008
IEEE
This paper presents a predictable and quantifiable approach to designing a covert communication system capable of effectively exploiting covert channels found in the various layer...
IH
2001
Springer
13 years 10 months ago
2001
Springer
We present a set of watermarking techniques for effective covert communication over an audio signal carrier. Watermark robustness is enabled using: (i) redundant spread-spectrum fo...
IEEEMSP
2002
IEEE
13 years 11 months ago
2002
IEEE
— It is well known that encryption provides secure channels for communicating entities. However, due to lack of covertness on these channels, an eavesdropper can identify encrypt...
ICICS
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. The NRL Pump protocol defines a multilevel secure component whose goal is to minimize leaks of information from high level systems to lower level systems, without degrad...
ESORICS
2007
Springer
14 years 15 days ago
2007
Springer
A number of network covert channels have been proposed recently that may have important ramifications for Internet security and privacy. However, they could become ineffective in...