public void TestPositive256WithExplicitParameters()
{
using (ECDsa ecdsa = ECDsaFactory.Create())
{
ecdsa.ImportParameters(ECDsaTestData.GetNistP256ExplicitTestData());
Verify256(ecdsa, true);
}
}
public static void TestExplicitImportValidationNegative()
{
unchecked
{
using (ECDsa ec = ECDsaFactory.Create())
{
ECParameters p = ECDsaTestData.GetNistP256ExplicitTestData();
Assert.True(p.Curve.IsPrime);
ec.ImportParameters(p);
ECParameters temp = p;
temp.Q.X = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Q.X = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Q.X = new byte[1] {
0x10
}; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Q.X = (byte[])p.Q.X.Clone(); --temp.Q.X[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp = p;
temp.Q.Y = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Q.Y = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Q.Y = new byte[1] {
0x10
}; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Q.Y = (byte[])p.Q.Y.Clone(); --temp.Q.Y[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp = p;
temp.Curve.A = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.A = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.A = new byte[1] {
0x10
}; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.A = (byte[])p.Curve.A.Clone(); --temp.Curve.A[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp = p;
temp.Curve.B = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.B = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.B = new byte[1] {
0x10
}; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.B = (byte[])p.Curve.B.Clone(); --temp.Curve.B[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp = p;
temp.Curve.Order = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.Order = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp = p;
temp.Curve.Prime = null; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.Prime = new byte[] { }; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.Prime = new byte[1] {
0x10
}; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
temp.Curve.Prime = (byte[])p.Curve.Prime.Clone(); --temp.Curve.Prime[0]; Assert.ThrowsAny <CryptographicException>(() => ec.ImportParameters(temp));
}
}
}
public static void TestGeneralExportWithExplicitParameters()
{
using (ECDsa ecdsa = ECDsaFactory.Create())
{
ECParameters param = ECDsaTestData.GetNistP256ExplicitTestData();
param.Validate();
ecdsa.ImportParameters(param);
Assert.True(param.Curve.IsExplicit);
param = ecdsa.ExportParameters(false);
param.Validate();
// We should have explicit values, not named, as this curve has no name.
Assert.True(param.Curve.IsExplicit);
}
}