Research Article

Ubi-RKE: A Rhythm Key Based Encryption Scheme for Ubiquitous Devices

Table 5

Specifications of testing devices.

TypeDevice 1Device 2Device 3

CPUDual Core 900 MHz 
(ARM Cortex-A9)
Quad Core 1.4 GHz 
(Exynos 4412)
Quad Core 2.3 GHz 
(Snapdragon 800)
RAM1 GB 
(DDR2 SDRAM)
2 GB 
(DDR2 SDRAM)
3 GB 
(LP DDR3)
OS Android 4.0 
(Icecream Sandwich)
Android 4.3 
(Jelly bean)
Android 4.4 
(Kikat)