private void btnStartECDSA_Click (object sender, EventArgs e)
{
byte[] hash = new byte[160 >> 3];
Stopwatch sw = new Stopwatch ();
double ocSignTime, ocVerifyTime, bcSignTime, bcVerifyTime;
{
ECDSA ecdsa = new ECDSA (ECDomainNames.secp192r1);
ecdsa.ToXmlString (false);
sw.Reset ();
sw.Start ();
byte[] ecdsaSign = ecdsa.SignHash (hash);
sw.Stop ();
ocSignTime = sw.Elapsed.TotalSeconds;
sw.Reset ();
sw.Start ();
ecdsa.VerifyHash (hash, ecdsaSign);
sw.Stop ();
ocVerifyTime = sw.Elapsed.TotalSeconds;
}
{
ECDsaSigner ecdsa = new ECDsaSigner ();
X9ECParameters SEC_P192r1 = SecNamedCurves.GetByName ("secp192r1");
BigInteger key = new BigInteger (SEC_P192r1.N.BitCount, new Random ());
ECDomainParameters domain = new ECDomainParameters (SEC_P192r1.Curve, SEC_P192r1.G, SEC_P192r1.N);
ECPrivateKeyParameters privateKey = new ECPrivateKeyParameters (key, domain);
ECPoint publicKeyPoint = SEC_P192r1.G.Multiply (key);
ECPublicKeyParameters publicKey = new ECPublicKeyParameters (publicKeyPoint, domain);
ecdsa.Init (true, privateKey);
sw.Reset ();
sw.Start ();
BigInteger[] sign = ecdsa.GenerateSignature (hash);
sw.Stop ();
bcSignTime = sw.Elapsed.TotalSeconds;
ecdsa.Init (false, publicKey);
sw.Reset ();
sw.Start ();
ecdsa.VerifySignature (hash, sign[0], sign[1]);
sw.Stop ();
bcVerifyTime = sw.Elapsed.TotalSeconds;
}
double scale = 1000;
bcSignTime *= scale;
bcVerifyTime *= scale;
ocSignTime *= scale;
ocVerifyTime *= scale;
lblBCSign.Text = "Sign (" + bcSignTime.ToString ("f2") + "ms)";
lblBCVerify.Text = "Verify (" + bcVerifyTime.ToString ("f2") + "ms)";
lblOCSign.Text = "Sign (" + ocSignTime.ToString ("f2") + "ms)";
lblOCVerify.Text = "Verify (" + ocVerifyTime.ToString ("f2") + "ms)";
double max = Math.Max (ocSignTime, Math.Max (ocVerifyTime, Math.Max (bcSignTime, bcVerifyTime)));
max *= 1.1;
pbEcdsaSignBC.Maximum = pbEcdsaVerifyBC.Maximum = pbEcdsaSignOC.Maximum = pbEcdsaVerifyOC.Maximum = (int)max;
pbEcdsaSignBC.Value = (int)bcSignTime;
pbEcdsaVerifyBC.Value = (int)bcVerifyTime;
pbEcdsaSignOC.Value = (int)ocSignTime;
pbEcdsaVerifyOC.Value = (int)ocVerifyTime;
}
private void btnStartECDSA_Click(object sender, EventArgs e)
{
byte[] hash = new byte[160 >> 3];
Stopwatch sw = new Stopwatch();
double ocSignTime, ocVerifyTime, bcSignTime, bcVerifyTime;
{
ECDSA ecdsa = new ECDSA(ECDomainNames.secp192r1);
ecdsa.ToXmlString(false);
sw.Reset();
sw.Start();
byte[] ecdsaSign = ecdsa.SignHash(hash);
sw.Stop();
ocSignTime = sw.Elapsed.TotalSeconds;
sw.Reset();
sw.Start();
ecdsa.VerifyHash(hash, ecdsaSign);
sw.Stop();
ocVerifyTime = sw.Elapsed.TotalSeconds;
}
{
ECDsaSigner ecdsa = new ECDsaSigner();
X9ECParameters SEC_P192r1 = SecNamedCurves.GetByName("secp192r1");
BigInteger key = new BigInteger(SEC_P192r1.N.BitCount, new Random());
ECDomainParameters domain = new ECDomainParameters(SEC_P192r1.Curve, SEC_P192r1.G, SEC_P192r1.N);
ECPrivateKeyParameters privateKey = new ECPrivateKeyParameters(key, domain);
ECPoint publicKeyPoint = SEC_P192r1.G.Multiply(key);
ECPublicKeyParameters publicKey = new ECPublicKeyParameters(publicKeyPoint, domain);
ecdsa.Init(true, privateKey);
sw.Reset();
sw.Start();
BigInteger[] sign = ecdsa.GenerateSignature(hash);
sw.Stop();
bcSignTime = sw.Elapsed.TotalSeconds;
ecdsa.Init(false, publicKey);
sw.Reset();
sw.Start();
ecdsa.VerifySignature(hash, sign[0], sign[1]);
sw.Stop();
bcVerifyTime = sw.Elapsed.TotalSeconds;
}
double scale = 1000;
bcSignTime *= scale;
bcVerifyTime *= scale;
ocSignTime *= scale;
ocVerifyTime *= scale;
lblBCSign.Text = "Sign (" + bcSignTime.ToString("f2") + "ms)";
lblBCVerify.Text = "Verify (" + bcVerifyTime.ToString("f2") + "ms)";
lblOCSign.Text = "Sign (" + ocSignTime.ToString("f2") + "ms)";
lblOCVerify.Text = "Verify (" + ocVerifyTime.ToString("f2") + "ms)";
double max = Math.Max(ocSignTime, Math.Max(ocVerifyTime, Math.Max(bcSignTime, bcVerifyTime)));
max *= 1.1;
pbEcdsaSignBC.Maximum = pbEcdsaVerifyBC.Maximum = pbEcdsaSignOC.Maximum = pbEcdsaVerifyOC.Maximum = (int)max;
pbEcdsaSignBC.Value = (int)bcSignTime;
pbEcdsaVerifyBC.Value = (int)bcVerifyTime;
pbEcdsaSignOC.Value = (int)ocSignTime;
pbEcdsaVerifyOC.Value = (int)ocVerifyTime;
}