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

Table 4

Valid trace for the Woo and Lam modified protocol.

---

𝛼.1.𝐴→𝐼(𝐵)∶𝐴

𝛼.2.𝐼(𝐵)→𝐴∶𝑁^𝛼_𝑖

𝛼.3.𝐴→𝐼(𝐵)∶{𝑁^𝛼_𝑖,𝑘^𝛼_𝑎𝑏}_𝑘𝑎𝑠

  𝛽.4.𝐼(𝐵)→𝑆∶{𝐴,{𝑁^𝛼_𝑖,𝑘^𝛼_𝑎𝑏}_𝑘𝑎𝑠}_𝑘𝑖𝑠

  𝛽.5.𝑆→𝐼(𝐵)∶{𝑁^𝛼_𝑖,𝑘^𝛼_𝑎𝑏}_𝑘𝑖𝑠

---