A Secure Fair Exchange for SMS-Based Mobile Payment Protocols Based on Symmetric Encryption Algorithms with Formal Verification

Table 4

Message length of our protocols.

Message	Purchase Credit (Bytes)	Making Payment (Bytes)
M1	96	126
M2	64	80
M3	96	64
M4	88	96
M5	-	192
M6	-	64
M7	-	112
Total (Bytes)	344	734