Results 151 to 160 of about 15,116 (186)

Scalable Secret Key Generation for Wireless Sensor Networks

IEEE Systems Journal, 2022
In this paper, we consider the problem of secret key generation for multiple parties. Multi-user networks usually require a trusted party to efficiently distribute keys to the legitimate users and this process is a weakness against eavesdroppers.
Ufuk Altun, Semiha Tedik Basaran, Gunes Karabulut-Kurt, Enver Ozdemir   +3 more
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A Survey of Physical Layer Secret Key Generation Enhanced by Intelligent Reflecting Surface

Electronics (Switzerland)
As wireless communication scenarios grow more complicated, security issues are becoming increasingly prominent and severe. In the Internet of Things and vehicle-to-everything scenarios, conventional cryptographic technology faces numerous challenges ...
Enjun Xia, Bin-Jie Hu, Qiaoqiao Shen
exaly   +2 more sources

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The role of channel states in secret key generation

21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2010
In this work, we investigate secret key generation from channel states. We point out, by means of a packet-delay-based attack, that observing its own channel states is not the only way an adversary can learn about the channel states of the legitimate communicating parties. The attack suggests that it is not secure to transmit data via the channel whose
Xiang He 0001, Aylin Yener
openaire   +1 more source

High-Agreement Uncorrelated Secret Key Generation Based on Principal Component Analysis Preprocessing [PDF]

IEEE Transactions on Communications, 2018
Random and high-agreement secret key generation from noisy wideband channels is challenging due to the autocorrelation inside the channel samples and compromised cross correlation between channel measurements of two keying parties. This paper studies the
Guyue Li, Aiqun Hu, Junqing Zhang
exaly   +2 more sources

Channel Estimation for Secret Key Generation

2014 IEEE 28th International Conference on Advanced Information Networking and Applications, 2014
Generating secret keys from radio channel measurements has been shown to allow private communications. Previously described methods for performing wireless key generation have not come close to achieving the theoretical upper bounds on key rates theory for this technique. This paper demonstrates how using a Kalman filter based on an auto-regressive (AR)
openaire   +1 more source

Key Generation for Multi-Secret Steganography

2015 2nd International Conference on Information Science and Security (ICISS), 2015
This article presents a method of steganographic keys generation for case of embedding many secrets in single container. The most important requirements of proposed algorithm are as follows. The generated keys cannot overlap what means that the positions they indicate in the cover have to be different.
Katarzyna Koptyra, Marek R. Ogiela
openaire   +1 more source

Secret key generation for correlated Gaussian sources

2008 IEEE International Symposium on Information Theory, 2008
We consider secret key (SK) generation by two terminals, each of which observes an i.i.d. source which is correlated with the other; the two sources are jointly Gaussian with known distribution. The terminals are then allowed to communicate with each other, possibly interactively in many rounds and without rate restrictions, over a noiseless two-way ...
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The art of distilling [secret key generation]

1998 Information Theory Workshop (Cat. No.98EX131), 2002
Aultmore and Balvenie want to agree on a common secret key. They have at their disposal a noisy channel and an error free public channel. The situation is complicated by an adversary, Ellen, who eavesdrops the noisy channel and the public channel. Fortunately for Aultmore and Balvenie, the eavesdropping channel is noisy as well.
M. Van Dijk, H. Van Tilborg
openaire   +1 more source

Generalized secret sharing and group-key distribution using short keys

Proceedings. Compression and Complexity of SEQUENCES 1997 (Cat. No.97TB100171), 2002
We relate two basic primitives: generalized secret sharing and group-key distribution. We suggest cryptographic implementations for both and show that they are provably secure according to exact definitions and assumptions given in the present paper. Both solutions require small secret space (namely, short keys).
Andrew Mayer, Moti Yung
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Secret-key generation with arbitrarily varying eavesdropper's channel

2013 IEEE Global Conference on Signal and Information Processing, 2013
Information-theoretic secret-key generation often requires the legitimate users to know the eavesdropper's statistics, which might not always be a realistic assumption. We study secret-key generation for a channel model with unknown and arbitrarily varying channel states at the eavesdropper. We first develop an achievable secret-key rate in the case of
Remi A. Chou, Matthieu R. Bloch
openaire   +1 more source