TZ-MRAS: A Remote Attestation Scheme for the Mobile Terminal Based on ARM TrustZone

Table 1

Statistics of ProbeIMA.

(i) The number of probes placed in the core process
Items	Kernel	RA_Router	Test_App_CA
Count of probes	207.1 k	2.19 k	0.03 k
(ii) The distribution of instructions in a valid trigger
Phase	Binary load	World switch	Handler process
Count of instructions	0.15 k	1.2 k	10.2 k