Security and Communication Networks / 2020 / Article / Alg 5

Research Article

Highly Secure Privacy-Preserving Outsourced k-Means Clustering under Multiple Keys in Cloud Computing

Algorithm 5

SDC protocol..
Input: Alice:
Begin: Alice interacts with Bob to compute:
  (a) Compute
  (b) Compute
  (c) Pick a random number
 Alice interacts with Bob to compute:
  (a) Send to Bob
  (a) Decrypt
  (b) If , ; otherwise, randomly choose satisfying ,
  (c) Send to Alice
  (a) If , let ; Otherwise, we have , let

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