public void TestRsa()
{
using (var rsa = new RSACryptoServiceProvider(1024)) {
// first, check private key conversion
var expected = rsa.ExportParameters(true);
var keyParameter = rsa.AsAsymmetricKeyParameter();
var windows = keyParameter.AsAsymmetricAlgorithm() as RSACryptoServiceProvider;
var actual = windows.ExportParameters(true);
AssertAreEqual(expected.D, actual.D, "D");
AssertAreEqual(expected.DP, actual.DP, "DP");
AssertAreEqual(expected.DQ, actual.DQ, "DQ");
AssertAreEqual(expected.P, actual.P, "P");
AssertAreEqual(expected.Q, actual.Q, "Q");
AssertAreEqual(expected.Exponent, actual.Exponent, "Exponent");
AssertAreEqual(expected.InverseQ, actual.InverseQ, "InverseQ");
AssertAreEqual(expected.Modulus, actual.Modulus, "Modulus");
// test AsymmetricCipherKeyPair conversion
var keyPair = rsa.AsAsymmetricCipherKeyPair();
windows = keyPair.AsAsymmetricAlgorithm() as RSACryptoServiceProvider;
actual = windows.ExportParameters(true);
AssertAreEqual(expected.D, actual.D, "D");
AssertAreEqual(expected.DP, actual.DP, "DP");
AssertAreEqual(expected.DQ, actual.DQ, "DQ");
AssertAreEqual(expected.P, actual.P, "P");
AssertAreEqual(expected.Q, actual.Q, "Q");
AssertAreEqual(expected.Exponent, actual.Exponent, "Exponent");
AssertAreEqual(expected.InverseQ, actual.InverseQ, "InverseQ");
AssertAreEqual(expected.Modulus, actual.Modulus, "Modulus");
// test public key conversion
expected = rsa.ExportParameters(false);
var pubrsa = new RSACryptoServiceProvider();
pubrsa.ImportParameters(expected);
keyParameter = pubrsa.AsAsymmetricKeyParameter();
windows = keyParameter.AsAsymmetricAlgorithm() as RSACryptoServiceProvider;
actual = windows.ExportParameters(false);
AssertAreEqual(expected.D, actual.D, "D");
AssertAreEqual(expected.DP, actual.DP, "DP");
AssertAreEqual(expected.DQ, actual.DQ, "DQ");
AssertAreEqual(expected.P, actual.P, "P");
AssertAreEqual(expected.Q, actual.Q, "Q");
AssertAreEqual(expected.Exponent, actual.Exponent, "Exponent");
AssertAreEqual(expected.InverseQ, actual.InverseQ, "InverseQ");
AssertAreEqual(expected.Modulus, actual.Modulus, "Modulus");
}
}