public void VerifyECDecoderWithRSAKey()
{
byte[] data = Convert.FromBase64String(RsaPrivateKey);
Exception ex = Assert.Throws <InvalidDataException>(() => LightweightPkcs8Decoder.DecodeECDsaPkcs8(data, null));
Assert.AreEqual("Invalid PKCS#8 Data", ex.Message);
}
public void ECDecoderPrime256v1RequiresPublicKey()
{
#if NET461
Assert.Ignore("ECC is not supported before .NET Framework 4.7");
#endif
byte[] data = Convert.FromBase64String(EcPrime256v1PrivateKeyImported);
Exception ex = Assert.Throws <InvalidDataException>(() => LightweightPkcs8Decoder.DecodeECDsaPkcs8(data, null));
Assert.AreEqual("Unsupported PKCS#8 Data", ex.Message);
}
// Not using TestCaseSource because params too long for friendly test case rendering.
private static void VerifyECDecoder(string key, CertificateKeyCurveName keyCurveName, string signature, string cer = null)
{
#if NET461
Assert.Ignore("ECC is not supported before .NET Framework 4.7");
#endif
byte[] data = Convert.FromBase64String(key);
byte[] signatureBytes = Convert.FromBase64String(signature);
ECDsa publicKey = null;
try
{
if (cer != null)
{
byte[] publicKeyData = Convert.FromBase64String(cer);
using X509Certificate2 certificate = new X509Certificate2(publicKeyData);
publicKey = certificate.GetECDsaPublicKey();
}
using ECDsa keyPair = LightweightPkcs8Decoder.DecodeECDsaPkcs8(data, publicKey);
Assert.AreEqual(keyCurveName.GetKeySize(), keyPair.KeySize);
Assert.IsTrue(keyPair.VerifyData(Encoding.UTF8.GetBytes("test"), signatureBytes, HashAlgorithmName.SHA256));
}
catch (Exception ex) when(
(ex is CryptographicException || (ex is TargetInvocationException && ex.InnerException is CryptographicException)) &&
RuntimeInformation.IsOSPlatform(OSPlatform.OSX) &&
keyCurveName == CertificateKeyCurveName.P256 || keyCurveName == CertificateKeyCurveName.P256K)
{
Assert.Ignore("The curve is not supported by the current platform");
}
finally
{
publicKey?.Dispose();
}
}
