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DC Field | Value | Language |
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dc.contributor.author | CHERIF, Meriem | - |
dc.contributor.author | BOUOKKA, Hassiba | - |
dc.contributor.author | BOUKHOBZA, Abdelkader | - |
dc.date.accessioned | 2024-09-09T13:55:28Z | - |
dc.date.available | 2024-09-09T13:55:28Z | - |
dc.date.issued | 2024 | - |
dc.identifier.uri | http://dspace.univ-temouchent.edu.dz/handle/123456789/5039 | - |
dc.description.abstract | This thesis focuses on cryptography, which is essential for securing communications, transactions, and data in the modern digital world. It primarily examines three cryptographic algorithms: DES, AES, and RC4. The study evaluates their performance and efficiency in encrypting digital images. The results show that the AES algorithm significantly outperforms DES in terms of security and efficiency, even with fewer rounds. RC4, while efficient in execution time, shows slightly better entropy and NPCR and UACI values compared to AES. Hybrid algorithms AES-RC4 and RC4-AES are also explored to combine the advantages of both methods. | en_US |
dc.language.iso | fr | en_US |
dc.subject | Cryptographie, DES, AES, RC4, Chiffrement, Algorithmes hybrides, cryptage d’image | en_US |
dc.title | Analyse des performances des méthodes cryptographiques à clé secrète dans le cryptage des images | en_US |
dc.type | Thesis | en_US |
Appears in Collections: | Télécommunication |
Files in This Item:
File | Description | Size | Format | |
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memoire version final meriem _ hassiba_compressed - Meriemm Meriem2001.pdf | 1,5 MB | Adobe PDF | View/Open |
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