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Curve25519 library for Java

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package org.whispersystems.curve25519.java;

public class fe_isequal {
    /*
    return 1 if f == g
    return 0 if f != g
    */
    public static int fe_isequal(int[] f, int[] g) {
        int[] h = new int[10];
        fe_sub.fe_sub(h, f, g);
        return 1 - fe_isnonzero.fe_isnonzero(h);
    }

}