public static double Run(ECMQV ecmqv, int loop)
{
Stopwatch sw = new Stopwatch();
int keyDataLen = 20;
byte[] otherPublicKey1 = ecmqv.Parameters.KeyPair1.PublicKey;
byte[] otherPublicKey2 = ecmqv.Parameters.KeyPair2.PublicKey;
// re-generate key
ecmqv.Parameters.KeyPair1.PrivateKey = null;
ecmqv.Parameters.KeyPair2.PrivateKey = null;
ecmqv.PerformKeyAgreement(otherPublicKey1, otherPublicKey2, keyDataLen);
sw.Reset(); sw.Start();
for (int i = 0; i < loop; i++)
{
ecmqv.PerformKeyAgreement(otherPublicKey1, otherPublicKey2, keyDataLen);
}
sw.Stop();
return(sw.Elapsed.TotalMilliseconds / (double)loop);
}
public void Test_Random()
{
ECDomainNames name = ECDomainNames.secp256r1;
for (int i = 0; i < 10; i++)
{
ECMQV ecmqv1 = new ECMQV(name);
ECMQV ecmqv2 = new ECMQV(name);
int keyDataLen = 20;
byte[] key1 = ecmqv1.PerformKeyAgreement(ecmqv2.Parameters.KeyPair1.PublicKey, ecmqv2.Parameters.KeyPair2.PublicKey, keyDataLen);
byte[] key2 = ecmqv2.PerformKeyAgreement(ecmqv1.Parameters.KeyPair1.PublicKey, ecmqv1.Parameters.KeyPair2.PublicKey, keyDataLen);
Assert.AreEqual(key1, key2);
}
}
public void Test_MQV()
{
ECDomainNames name = ECDomainNames.secp160r1;
ECMQV ecmqv1 = new ECMQV(name);
ECMQV ecmqv2 = new ECMQV(name);
int keyDataLen = 20;
int keyBytes = 20;
ecmqv1.Parameters.KeyPair1.PrivateKey = Number.Parse("971761939728640320549601132085879836204587084162", 10).ToByteArray(keyBytes, false);
ecmqv1.Parameters.KeyPair2.PrivateKey = Number.Parse("117720748206090884214100397070943062470184499100", 10).ToByteArray(keyBytes, false);
ecmqv2.Parameters.KeyPair1.PrivateKey = Number.Parse("399525573676508631577122671218044116107572676710", 10).ToByteArray(keyBytes, false);
ecmqv2.Parameters.KeyPair2.PrivateKey = Number.Parse("141325380784931851783969312377642205317371311134", 10).ToByteArray(keyBytes, false);
byte[] key1 = ecmqv1.PerformKeyAgreement(ecmqv2.Parameters.KeyPair1.PublicKey, ecmqv2.Parameters.KeyPair2.PublicKey, keyDataLen);
byte[] key2 = ecmqv2.PerformKeyAgreement(ecmqv1.Parameters.KeyPair1.PublicKey, ecmqv1.Parameters.KeyPair2.PublicKey, keyDataLen);
Assert.AreEqual(key1, key2, "#1");
Assert.AreEqual(key1, Number.Parse("C06763F8C3D2452C1CC5D29BD61918FB485063F6", 16).ToByteArray(keyDataLen, false), "#2");
}
public void Test_Random_with_SharedInfo()
{
ECDomainNames name = ECDomainNames.secp256r1;
for (int i = 0; i < 10; i++)
{
ECMQV ecmqv1 = new ECMQV(name);
ECMQV ecmqv2 = new ECMQV(name);
int keyDataLen = 20;
byte[] sharedInfo = RNG.GetBytes(RNG.GetBytes(1)[0] + 1);
ecmqv1.SharedInfo = sharedInfo;
ecmqv2.SharedInfo = sharedInfo;
byte[] key1 = ecmqv1.PerformKeyAgreement(ecmqv2.Parameters.KeyPair1.PublicKey, ecmqv2.Parameters.KeyPair2.PublicKey, keyDataLen);
byte[] key2 = ecmqv2.PerformKeyAgreement(ecmqv1.Parameters.KeyPair1.PublicKey, ecmqv1.Parameters.KeyPair2.PublicKey, keyDataLen);
Assert.AreEqual(key1, key2);
}
}