A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture
In this paper, a new cryptographic method is proposed, designed for audio files’ security. The encryption algorithm is based on classic symmetric models using pseudo-random number generator composed with chaotic circle map and modified rotation equations. The scheme of a new pseudo-random...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-05-01
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| Series: | Electronics |
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| Online Access: | https://www.mdpi.com/2079-9292/8/5/530 |
| _version_ | 1798005589729607680 |
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| author | Krasimir Kordov |
| author_facet | Krasimir Kordov |
| author_sort | Krasimir Kordov |
| collection | DOAJ |
| description | In this paper, a new cryptographic method is proposed, designed for audio files’ security. The encryption algorithm is based on classic symmetric models using pseudo-random number generator composed with chaotic circle map and modified rotation equations. The scheme of a new pseudo-random generator is presented and used as basis for chaotic bit-level permutations and substitutions applied to audio files structure for successful encryption. The audio encryption and decryption algorithms are described and explained. Proving the high level of security we provide extensive cryptographic analysis including key sensitivity analysis, key-space analysis, waveform and spectrogram analysis, correlation analysis, number of sample change rate analysis, level of noise analysis and speed performance test. |
| first_indexed | 2024-04-11T12:42:48Z |
| format | Article |
| id | doaj.art-1ae34fb3a2fc45679d5a95209f9107ee |
| institution | Directory Open Access Journal |
| issn | 2079-9292 |
| language | English |
| last_indexed | 2024-04-11T12:42:48Z |
| publishDate | 2019-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Electronics |
| spelling | doaj.art-1ae34fb3a2fc45679d5a95209f9107ee2022-12-22T04:23:27ZengMDPI AGElectronics2079-92922019-05-018553010.3390/electronics8050530electronics8050530A Novel Audio Encryption Algorithm with Permutation-Substitution ArchitectureKrasimir Kordov0Department of Computer Informatics, Faculty of Mathematics and Computer Science, Konstantin Preslavsky University of Shumen, 9700 Shumen, BulgariaIn this paper, a new cryptographic method is proposed, designed for audio files’ security. The encryption algorithm is based on classic symmetric models using pseudo-random number generator composed with chaotic circle map and modified rotation equations. The scheme of a new pseudo-random generator is presented and used as basis for chaotic bit-level permutations and substitutions applied to audio files structure for successful encryption. The audio encryption and decryption algorithms are described and explained. Proving the high level of security we provide extensive cryptographic analysis including key sensitivity analysis, key-space analysis, waveform and spectrogram analysis, correlation analysis, number of sample change rate analysis, level of noise analysis and speed performance test.https://www.mdpi.com/2079-9292/8/5/530audio encryptionpermutationsubstitutionpseudo-random number generatorcircle maprotation equation |
| spellingShingle | Krasimir Kordov A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture Electronics audio encryption permutation substitution pseudo-random number generator circle map rotation equation |
| title | A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture |
| title_full | A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture |
| title_fullStr | A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture |
| title_full_unstemmed | A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture |
| title_short | A Novel Audio Encryption Algorithm with Permutation-Substitution Architecture |
| title_sort | novel audio encryption algorithm with permutation substitution architecture |
| topic | audio encryption permutation substitution pseudo-random number generator circle map rotation equation |
| url | https://www.mdpi.com/2079-9292/8/5/530 |
| work_keys_str_mv | AT krasimirkordov anovelaudioencryptionalgorithmwithpermutationsubstitutionarchitecture AT krasimirkordov novelaudioencryptionalgorithmwithpermutationsubstitutionarchitecture |