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Title |
An Improvement for Cloud Data Security Model Using Image Steganography |
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Author |
Afrah Albalawi and Nermin Hamza |
| Citation |
Vol. 25 No. 3 pp. 19-26 |
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Abstract |
Nowadays, cloud computing is used by individuals and organizations to store their data. In the cloud storage, a third party manages the data which is a drawback of this service since the data is vulnerable. Consequently, a model that will protect the data stored in the cloud is needed. This paper proposed a hybrid model using encryption and image steganography to protect data from unauthorized access. The proposed model uses hash function, RSA encryption algorithm, AES-256 encryption algorithm, compression and LSB steganography algorithm. The proposed model is evaluated using many experiments and compared with other existing model. The results show that the proposed model satisfies the three objectives of image steganography: quality; where the proposed model produces a stego image with high quality; more than 40 dB, security; where the secret data is difficult to detect and capacity, where the proposed model allows to hide large amounts of data. |
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Keywords |
Security; image steganography; cryptography; cloud storage; information security. |
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