Privacy-Preserving Blockchain-Based Nonlinear SVM Classifier Training for Social Networks

Algorithm 1

Secure Gaussian kernel function.

Input:: the shared vectors , , and ; : the shared vectors , , and .
Output:: the shared Gaussian kernel result ; : the shared Gaussian kernel result .
(1)	initialize .
(2)	for from 1 to do
(3)	locally compute .
(4)	compute .
(5)	locally compute .
(6)	end for
(7)	locally compute .
(8)	compute .