S-box design based on optimize LFT parameter selection: a practical approach in recommendation system domain
| Autor: | Abid Khan, Mansoor Ahmad, Faisal Baig, Adeel Anjum, Ahmed Khan, Saira Beg, Naveed Ahmad |
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| Rok vydání: | 2020 |
| Předmět: |
S-box
Computer Networks and Communications business.industry Computer science Substitution (logic) Chaotic 020207 software engineering Cryptography 02 engineering and technology Encryption Image (mathematics) Hardware and Architecture 0202 electrical engineering electronic engineering information engineering Media Technology business Algorithm Software Independence (probability theory) |
| Zdroj: | Multimedia Tools and Applications. 79:11667-11684 |
| ISSN: | 1573-7721 1380-7501 |
| DOI: | 10.1007/s11042-019-08464-6 |
| Popis: | The strength of cryptography encryption is strongly depended upon the substitution box (S-box), hence highly non-linear S-box is appreciated in cryptography. In this work, we proposed a scheme to select the optimized values for control parameters (a, b, c, d) of linear fractional transform (LFT) to achieve an S-box with non-linearity of 112. For dynamic parameter values, we used location of chaotic sequences. The proposed s-box tested on different criteria such as non-linearity method (NL), probability methods (linear approximation (LP), differential approximation (DP), strictly avalanche criteria (SAC) and bit independence criteria (BIC). Our result shows that proposed s-box achieves better or equal to cryptographic strength as compared with state-of-the-art techniques. Moreover, we tested the proposed s-box based encryption method in recommendation system scenario with the idea of text-to-image conversion. The statistical analysis of this image encryption shows the bright prospects of the proposed method. |
| Databáze: | OpenAIRE |
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