Quality of Protection Evaluation of Security Mechanisms

Table 3

The parameters and variables for the security attributes evaluation algorithm.

SET	Make a choice indication
EXCLUDE	Excluding from the ER indication
READ	Reading indication
CONTINUE	Processing statement will be skipped
RES(𝐶,𝑂𝐹[𝑖],𝑅)	The reasoning function based on a set of facts 𝐶 and order of facts 𝑂𝐹[𝑖] for the security attribute 𝑖 and rules 𝑅 (inference mechanisms)
𝑂𝐹[𝑖]	Orders between facts referred to a security attribute 𝑖
𝐶	A case expressed by a set of facts
𝐶^′	A set of facts obtained from the inference mechanism
𝑃[𝑖]	A full description of a case for a security attribute 𝑖
𝑅	A set of rules
𝑘,𝑚,𝑙	Indicates the current evaluation rule
𝑜𝑖	The evaluation of 𝑖th security attribute
ER[𝑖]	A set of evaluation rules with satisfied conditions for the security attribute 𝑖
NER[𝑖]	The number of rules with satisfied conditions for the security attribute 𝑖
er[𝑥][𝑖]	The evaluation rule 𝑥 for the security attribute 𝑖
𝑖	The index of the current security attribute
𝑛	The quantity of security attributes
𝑉[𝑙][𝑖]	The value of the security influence of the security mechanisms represented by the evaluation rule 𝑙 for the security attribute 𝑖