org.whispersystems.curve25519.java.ge_tobytes Maven / Gradle / Ivy
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Curve25519 library for Java
package org.whispersystems.curve25519.java;
public class ge_tobytes {
//CONVERT #include "ge.h"
public static void ge_tobytes(byte[] s,ge_p2 h)
{
int[] recip = new int[10];
int[] x = new int[10];
int[] y = new int[10];
fe_invert.fe_invert(recip,h.Z);
fe_mul.fe_mul(x,h.X,recip);
fe_mul.fe_mul(y,h.Y,recip);
fe_tobytes.fe_tobytes(s,y);
s[31] ^= fe_isnegative.fe_isnegative(x) << 7;
}
}