Results 11 to 20 of about 5,554 (255)
Survey on key technologies of covert channel in ubiquitous network environment
Tongxin xuebao, 2022 In the ubiquitous network environment, covert channel bypasses the system’s security strategy to transmit covert information by modifying the system’s shared resources, which poses a serious security threat to the computer and network system.The ...
Fenghua LI +5 more
doaj +2 more sources
Journal of Low Power Electronics and Applications, 2022 With increasing interest in multi-core systems, such as any communication systems, infra-structures can become targets for information leakages via covert channel communication. Covert channel attacks lead to leaking secret information and data.
Parisa Rahimi +2 more
doaj +1 more source
A Novel Covert Channel for IEEE 802.11 Networks Utilizing MAC Address Randomization
Applied Sciences, 2023 Vendors implement the MAC address randomization technique to prevent IEEE 802.11 client station devices from being tracked. Although it conceals device identity, it cannot hide its occurring data transmission.
Geovani Teca, Marek Natkaniec
doaj +1 more source
Network covert channels capacity limitation by adding random delays before packet sending
Безопасность информационных технологий, 2021 Attention to covert channels has largely increased due to the documents published by E. Snowden, which described the software and hardware embedding that implement undeclared features of covert information transfer in the Huawei and Juniper network ...
Anna I. Belozubova +2 more
doaj +1 more source
Covert Capacity of Bosonic Channels [PDF]
IEEE Journal on Selected Areas in Information Theory, 2020 More details on Lemma 1. Other minor changes.
Christos N. Gagatsos +2 more
openaire +2 more sources
A Two-Way VoLTE Covert Channel With Feedback Adaptive to Mobile Network Environment
IEEE Access, 2019 In the existing network covert channel research, the transmission of secret messages is one-way, lacking confirmation feedback on whether the secret message is successfully accepted. However, voice over LTE (VoLTE) has real-time interactive features, and
Xiaosong Zhang +3 more
doaj +1 more source
Reversible and Plausibly Deniable Covert Channels in One-Time Passwords Based on Hash Chains
Applied Sciences, 2021 Covert channels enable stealthy communications over innocent appearing carriers. They are increasingly applied in the network context. However, little work is available that exploits cryptographic primitives in the networking context to establish such ...
Jörg Keller, Steffen Wendzel
doaj +1 more source
CoRR, 2013 This paper presents an overview of different concepts regarding covert channels. It discusses the various classifications and the detailing of various fields used to manipulate for the covert channel execution.Different evaluation criterias are presented for measuring the strength of covert channels.
Nitish Salwan +3 more
openaire +2 more sources
CCALK: (When) CVA6 Cache Associativity Leaks the Key
Journal of Low Power Electronics and Applications, 2022 In this work, we study an end-to-end implementation of a Prime + Probe covert channel on the CVA6 RISC-V processor implemented on a FPGA target and running a Linux OS.
Valentin Martinoli +3 more
doaj +1 more source
On the computation of covert channel capacity [PDF]
RAIRO - Theoretical Informatics and Applications, 2010 The paper deals with the bitrates (or capacity) of covert channels that is to say systems which allow unidirectional communication between a sender and a receiver. One first defines what is meant by covert channels, and then the basic properties of bitrates are displayed. Then one provides various techniques which can be used to obtain lower bounds for
Eugene Asarin, Catalin Dima
openaire +3 more sources