Implementation of El-Gamal algorithm for speech signals encryption and decryption

Imran, Omar A.; Yousif, Sura F.; Hameed, Isam Salah; Abed, Wisam Najm Al-Din; Hammid, Ali Thaeer

doi:10.1016/j.procs.2020.03.402

Cited by 29 publications

(22 citation statements)

References 12 publications

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“…The statistical measures used to assess the performance of the system in the encryption and decryption processes included (SNR, SNRseg, fwSNRseg, CC, LLR) [25], [26], [27], the statistical measures in compression used included (CR, SNR, SSSNR, PSNR, MSE). The equations of these measures were [2], [9], [10], [28]…”

Section: Resultsmentioning

confidence: 99%

“…Encryption and compression technologies are, therefore, needed to overcome difficulties in handling huge amounts of data that need to be stored and transferred [1]. Speech-based communication has developed in numerous applications such as teleconferencing, the military, e-learning, and other sectors [2]. Speech is a fundamental way in which humans communicate information to each other.…”

Section: Introductionmentioning

confidence: 99%

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Speech signal compression and encryption based on sudoku, fuzzy C-means and threefish cipher

Abduljaleel

Khaleel

2021

IJECE

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<span lang="EN-US">Compression and encryption of speech signals are essential multimedia technologies. In the field of speech, these technologies are needed to meet the security and confidentiality of information requirements for transferring huge speech signals via a network, and for decreasing storage space for rapid retrieval. In this paper, we propose an algorithm that includes hybrid transformation in order to analyses the speech signal frequencies. The speech signal is then compressed, after removing low and less intense frequencies, to produce a well compressed speech signal and ensure the quality of the speech. The resulting compressed speech is then used as an input in a scrambling algorithm that was proposed on two levels. One of these is an external scramble that works on mixing up the segments of speech that were divided using Fuzzy C-Means and changing their locations. The internal scramble scatters the values of each block internally based on the pattern of a Sudoku puzzle and quadratic map so that the resulting speech is an input to a proposed encryption algorithm using the threefish algorithm. The proposed algorithm proved to be highly efficient in the compression and encryption of the speech signal based on approved statistical measures.</span>

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Speech signal compression and encryption based on sudoku, fuzzy C-means and threefish cipher

Abduljaleel

Khaleel

2021

IJECE

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“…Even if an attacker intercepts the transmitted data, he will not be able to extract any information from these files. data encrypted by the modified El-Gamal method [5,[7][8][9]. Now there is a transfer from the client device to the server of the public key y and his login at the same time.…”

Section: Description Of the Work Of The Import-substituting Software Package For Secure File Transfermentioning

confidence: 99%

“…To do this, before encrypting the file and uploading it to the server, the VirusTotal service is contacted by sending the hash of the client's file to a public service. If a confirmation comes that the file contains malware, the client will be denied to send the file [10][11][12][13].…”

Section: Fig 2 Welcome Windowmentioning

confidence: 99%

Development of an import–substituting software package for secure file transfer, based on the modified protocol of EL–GAMAL

et al. 2021

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“…It was invented in 1985 by Taher El-Gamal relied on Davy-Helmen principle for exchanging keys [18], [19]. The encryption steps of this method are [20]: 1. Set essential parameters: g to generate a cyclic group of order p, x (secret key): a number <p-1 2.…”

Section: El-gamal Algorithmmentioning

confidence: 99%

A new method for watermarking color images using virtual hiding and El-Gamal ciphering

Ayoob

Hussein

Neamah

2021

IJECE

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One of the important issues in the era of computer networks and multimedia technology development is to find ways to maintain the reliability, credibility, copyright and non-duplication of digital content transmitted over the internet. For the purpose of protecting images from illegal usage, a watermark is used. A hidden digital watermark is the process of concealing information on a host to prove that this image is owned by a specific person or organization. In this paper, a new method has been proposed to use an RGB logo to protect color images from unlicensed trading. The method depends on retrieving logo data from specific locations in the host to form a logo when the owner claims the rights to those images. These positions are chosen because their pixels match the logo data. The locations of matching pixels are stored in a table that goes through two stages of treatment to ensure confidentiality: First, table compression, second, encoding positions in the compressed table through El-Gamal algorithm. Because the method depends on the idea of keeping host pixels without change, PSNR will always be infinity. After subjecting the host to five types of attack, the results demonstrate that the method can effectively protect the image and hidden logo is retrieved clearly even after the attacks.

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Implementation of El-Gamal algorithm for speech signals encryption and decryption

Cited by 29 publications

References 12 publications

Speech signal compression and encryption based on sudoku, fuzzy C-means and threefish cipher

Speech signal compression and encryption based on sudoku, fuzzy C-means and threefish cipher

Development of an import–substituting software package for secure file transfer, based on the modified protocol of EL–GAMAL

A new method for watermarking color images using virtual hiding and El-Gamal ciphering

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