public static string TryLoadCertificateCollection(string certificatePath,
ref string fingerprintText,
ref string message)
{
var certificates = new X509Certificate2Collection();
try
{
// If this certificate needs a password, it will throw an exception.
certificates.Import(certificatePath);
var thumbprints = new List <string>();
string state = nameof(ValidationState.NoMatch);
foreach (X509Certificate2 certificate in certificates)
{
thumbprints.Add(certificate.Thumbprint);
if (certificate.HasPrivateKey)
{
// Private key detected.
state = nameof(ValidationState.Authorized);
}
}
fingerprintText = string.Join(";", thumbprints);
message = "which contains private keys.";
return(state);
}
catch (Exception e)
{
string fileName = Path.GetFileName(certificatePath);
return(ValidatorBase.ReturnUnhandledException(ref message, e, fileName));
}
}
public static string TryLoadCertificate(string certificatePath,
ref string fingerprintText,
ref string message)
{
try
{
// If this certificate needs a password or it is a bundle, it will throw an exception.
using var certificate = new X509Certificate2(certificatePath);
fingerprintText = certificate.Thumbprint;
if (!certificate.HasPrivateKey)
{
return(nameof(ValidationState.NoMatch));
}
message = "which contains private keys.";
return(nameof(ValidationState.Authorized));
}
catch (Exception e)
{
string fileName = Path.GetFileName(certificatePath);
if (e is CryptographicException cryptographicException)
{
if (e.Message == "Cannot find the original signer.")
{
return(TryLoadCertificateCollection(certificatePath,
ref message,
ref fingerprintText));
}
if (e.Message == "The specified network password is not correct.")
{
return(nameof(ValidationState.PasswordProtected));
}
}
ValidatorBase.ReturnUnhandledException(ref message, e, asset: fileName);
return(message);
}
}