public static void ThirdPartyProvider_ECDsa()
{
using (ECDsaOther ecdsaOther = new ECDsaOther())
{
HashAlgorithmName hashAlgorithm = HashAlgorithmName.SHA256;
CertificateRequest request = new CertificateRequest(
new X500DistinguishedName($"CN={nameof(ThirdPartyProvider_ECDsa)}"),
ecdsaOther,
hashAlgorithm);
byte[] signature;
byte[] data = request.SubjectName.RawData;
DateTimeOffset now = DateTimeOffset.UtcNow;
using (X509Certificate2 cert = request.CreateSelfSigned(now, now.AddDays(1)))
{
using (ECDsa ecdsa = cert.GetECDsaPrivateKey())
{
signature = ecdsa.SignData(data, hashAlgorithm);
}
// ECDsaOther is exportable, so ensure PFX export succeeds
byte[] pfxBytes = cert.Export(X509ContentType.Pkcs12, request.SubjectName.Name);
Assert.InRange(pfxBytes.Length, 100, int.MaxValue);
}
Assert.True(ecdsaOther.VerifyData(data, signature, hashAlgorithm));
}
}
public static void ThirdPartyProvider_ECDsa()
{
using (ECDsaOther ecdsaOther = new ECDsaOther())
{
HashAlgorithmName hashAlgorithm = HashAlgorithmName.SHA256;
CertificateRequest request = new CertificateRequest(
new X500DistinguishedName($"CN={nameof(ThirdPartyProvider_ECDsa)}"),
ecdsaOther,
hashAlgorithm);
byte[] signature;
byte[] data = request.SubjectName.RawData;
DateTimeOffset now = DateTimeOffset.UtcNow;
using (X509Certificate2 cert = request.CreateSelfSigned(now, now.AddDays(1)))
using (ECDsa ecdsa = cert.GetECDsaPrivateKey())
{
signature = ecdsa.SignData(data, hashAlgorithm);
}
Assert.True(ecdsaOther.VerifyData(data, signature, hashAlgorithm));
}
}
