public static IReadOnlyList <string> GetNameInfo(this X509Certificate2 certificate, string nameTypeOid, X509NameSource nameSource)
{
ThrowHelpers.CheckNullOrEempty(nameof(nameTypeOid), nameTypeOid);
byte[] nameBytes = nameSource switch
{
X509NameSource.Issuer => certificate.IssuerName.RawData,
X509NameSource.Subject => certificate.SubjectName.RawData,
_ => ThrowHelpers.NotSupport <byte[], X509NameSource>(nameSource)
};
List <string> result = new List <string>();
AsnReader nameReader = new AsnReader(nameBytes, AsnEncodingRules.DER);
AsnReader mainSequence = nameReader.ReadSequence();
while (mainSequence.HasData)
{
AsnReader x509Name = mainSequence.ReadSetOf().ReadSequence();
string oid = x509Name.ReadObjectIdentifierAsString();
if (string.Equals(nameTypeOid, oid, StringComparison.Ordinal))
{
result.Add(x509Name.GetCharacterString(UniversalTagNumber.PrintableString));
}
}
return(result);
}
}
public static IReadOnlyList <string> GetNameInfo(this X509Certificate2 certificate, string nameTypeOid, X509NameSource nameSource)
{
ThrowHelpers.CheckNullOrEempty(nameof(nameTypeOid), nameTypeOid);
return(GetNameInfo(certificate, nameTypeOid, nameSource == X509NameSource.Issuer));
}
