public static int CryptoScalarmult(byte[] Q, byte[] N, byte[] P)
{
int[] work = new int[96];
byte[] e = new byte[32];
for (int i = 0; i < 32; ++i)
{
e[i] = N[i];
}
e[0] &= 248;
e[31] &= 127;
e[31] |= 64;
for (int i = 0; i < 32; ++i)
{
work[i] = P[i] & 0xFF;
}
Curve25519.Mainloop(work, e);
Curve25519.Recip(work, 32, work, 32);
Curve25519.Mult(work, 64, work, 0, work, 32);
Curve25519.Freeze(work, 64);
for (int i = 0; i < 32; ++i)
{
Q[i] = (byte)work[64 + i];
}
return(0);
}