Privacy-Preserving Self-Helped Medical Diagnosis Scheme Based on Secure Two-Party Computation in Wireless Sensor Networks

Algorithm 1

          OT^𝑚₁

Inputs:

     𝑆 inputs a set of 𝑚 messages: (𝑟₁,𝑟₂,…,𝑟_𝑚);

     𝑅 inputs an index: 𝑧;

Outputs:

     𝑆 obtains 𝜆, which means 𝑁𝑢𝑙𝑙.

     𝑅 obtains 𝑟_𝑧.