A plaintext and ciphertext signal classification detection method for blind estimation of wireless signals

Abstract

The invention discloses a plaintext and ciphertext signal classification detection method for blind estimation of wireless signals. When the status of wireless plaintext and ciphertext is known, the features of plaintext signal and ciphertext signal are extracted respectively, and the features of plaintext signal and ciphertext signal are used as training set, and the detected phase statistical eigenvalues of wireless signal are used as test set, then the support vector machine is inputted to train and classify the features. Compared with the prior art, the positive effect of the invention isthat the invention proposes a novel wireless signal ciphertext security detection method aiming at the wireless network electromagnetic signal security detection problem, and solves the problem of blind identification classification based on the wireless signal modulation phase statistical characteristics under the conditions of non-demodulation and non-decoding. The invention has the advantages of good plaintext / ciphertext signal detection, classification and identification performance, high reliability, low cost and convenient use, and can efficiently meet the security analysis requirementsof ciphertext signals in various wireless network communication environments.

Description

technical field [0001] The invention belongs to the technical field of wireless network electromagnetic signal security detection, and in particular relates to a method for classifying and detecting plain and ciphertext signals for blind estimation of wireless signals. Background technique [0002] With the development of information technology, the scale and complexity of wireless networks continue to increase, wireless networks have covered all aspects of people's work and life, and network security issues have become increasingly prominent, especially because of the openness, mobility and network Topology dynamic variability, etc., make wireless network security become a very concerned issue. [0003] In a wireless communication system, in order to ensure the security of various application information, an encryption algorithm is generally used to encrypt and protect message information. When there is an encryption requirement, a certain encryption algorithm is used to e...

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Problems solved by technology

[0007] Compared with the prior art, the positive effect of the present invention is that the present invention proposes a novel wireless signal ciphertext security detection method aiming at the problem of wireless network electromagnetic signal security detection, which solves the problem of non-demodulation and non-decoding conditions. The blind recognition classification problem based on the statistical characteristics of wireless signal modulation phase

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