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نتیجه جستجو - distributed fog computing

تعداد مقالات یافته شده: 1
ردیف عنوان نوع
1 Preserving data security in distributed fog computing
حفظ امنیت داده ها در محاسبات مه آلود-2019
In this paper, a novel cryptographic solution is proposed to secure data in fog computing. The so- lution combines the AES-GMAC operation mode with information dispersal over GF(2 w ) to provide data confidentiality, integrity, and availability along with source authentication. The value of w is flexible (8, 16, 32 or 64) and it could be configured according to the fog device features. More- over, the proposed cryptographic solution is based on the dynamic key-dependent approach, which allows for a good compromise between the security level and computational complexity. In the pro- posed solution, the collected data at one fog node is encrypted, authenticated and dispersed in a pseudo-random manner to its n neighbor fog nodes. For data recovery, any k of the n frag- ments along with the corresponding dynamic key are required to retrieve the original data. This complicates the attackers task who needs to compromise at least k fog nodes to disclose the encrypted data. Additionally, attackers should seek the dynamic key, which is different for each input data. On the other hand, redundant fragments protect the stored data against up to ( n −k ) fog nodes’ failure or un- availability. The security and performance analysis tests show that the proposed security scheme exhibits a high level of efficiency and robustness
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