Abstract
Ensuring security for lightweight cryptosystems in mobile cloud computing is challenging. Encryption speed and battery consumption must be maintained while securing mobile devices, the server, and the communication channel. This study proposes a lightweight security protocol called FEATHER which implements MICKEY 2.0 to generate keystream in the cloud server and to perform mobile device decryption and encryption. FEATHER can be used to implement secure parameters and lightweight mechanisms for communication among mobile devices and between them and a cloud server. FEATHER is faster than the existing CLOAK protocol and consumes less battery power. FEATHER also allows more mobile devices to communicate at the same time during very short time periods, maintain security for more applications with minimum computation ability. FEATHER meets mobile cloud computing requirements of speed, identity, and confidentiality assurances, compatibility with mobile devices, and effective communication between cloud servers and mobile devices using an unsafe communication channel.
Highlights
Data transfer between two mobile devices and from a mobile device to the cloud should be done securely, through multiple different communication channels, such as Wi-Fi, 4G and 5G
The performance of FEATHER protocol is measured on two items: the overall speed and battery consumption
After running GSam and the mobile app for FEATHER, the results showed that performing the operations on 10 files varying in size from 2 to 16MB consumed less than 1% of all apps running in the background, which consumed 1% of battery power, so FEATHER consumes only 0.0001% of battery power
Summary
Data transfer between two mobile devices and from a mobile device to the cloud should be done securely, through multiple different communication channels, such as Wi-Fi, 4G and 5G. A secure protocol for data transfer through unsecure communication methods is required. As mobile devices have limited computation power, it can be difficult to address all security cryptosystem tasks. Authors in [1] proposed a mobile cloud computing enterprise that consists of mobile devices, a wireless core, Wi-Fi access points, and regional information centres. Authors in [2] showed that mobile computing could save energy, such as battery life and wireless energy, by offloading some tasks to a cloud server, which is used to transfer the data in some applications, some applications are not energy efficient. As well as the demand for a lighter security protocol to save time and address computation. This paper proposes a new protocol, FEATHER, to better meet the security and energy needs of mobile cloud computing and mobile devices than existing protocols
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