Formal Analysis of SET and NSL Protocols Using the Interpretation Functions-Based Method

Table 7

𝑚,𝑚1,𝑚2	::=	𝒩NSL
	|	𝑝𝑎𝑖𝑟(𝑚1,𝑚2)	(Pair Function)
	|	𝑒𝑛𝑐(𝑚,𝑘𝑎)	(Encryption Function)
	|	𝑑𝑒𝑐(𝑚,𝑘𝑎^−1)	(Decryption Function)
	|	𝑓𝑠𝑡(𝑝𝑎𝑖𝑟(𝑚1,𝑚2))	(First Function)
	|	𝑠𝑛𝑑(𝑝𝑎𝑖𝑟(𝑚1,𝑚2))	(Second Function)