public void testEcDh()
{
byte[] p = new byte[32];
byte[] q = null;
byte[] n = new byte[32];
p[0] = 100;
n[0] = 100;
n = curve25519.generatePrivateKey(n);
for (int count = 0; count < 1000; count++)
{
q = curve25519.calculateAgreement(n, p);
Array.Copy(q, 0, p, 0, 32);
q = curve25519.calculateAgreement(n, p);
Array.Copy(q, 0, n, 0, 32);
n = curve25519.generatePrivateKey(n);
}
byte[] result = new byte[] {
(byte)0xce, (byte)0xb4, (byte)0x4e, (byte)0xd6, (byte)0x4a,
(byte)0xd4, (byte)0xc2, (byte)0xb5, (byte)0x43, (byte)0x9d,
(byte)0x25, (byte)0xde, (byte)0xb1, (byte)0x10, (byte)0xa8,
(byte)0xd7, (byte)0x2e, (byte)0xb3, (byte)0xe3, (byte)0x8e,
(byte)0xf4, (byte)0x8a, (byte)0x42, (byte)0x73, (byte)0xb1,
(byte)0x1b, (byte)0x4b, (byte)0x13, (byte)0x8d, (byte)0x17,
(byte)0xf9, (byte)0x34
};
List <byte> qList = new List <byte>(q);
List <byte> resultList = new List <byte>(result);
CollectionAssert.AreEqual(resultList, qList);
}
public byte[] calculateAgreement(byte[] ourPrivate, byte[] theirPublic)
{
return(native.calculateAgreement(ourPrivate, theirPublic));
}