protected override string DerStringToManagedString(byte[] anyString)
{
DerSequenceReader reader = DerSequenceReader.CreateForPayload(anyString);
var tag = (DerSequenceReader.DerTag)reader.PeekTag();
string value = null;
switch (tag)
{
case DerSequenceReader.DerTag.BMPString:
value = reader.ReadBMPString();
break;
case DerSequenceReader.DerTag.IA5String:
value = reader.ReadIA5String();
break;
case DerSequenceReader.DerTag.PrintableString:
value = reader.ReadPrintableString();
break;
case DerSequenceReader.DerTag.UTF8String:
value = reader.ReadUtf8String();
break;
// Ignore anything we don't know how to read.
}
return(value);
}
private static string ReadString(DerSequenceReader tavReader)
{
var tag = (DerSequenceReader.DerTag)tavReader.PeekTag();
switch (tag)
{
case DerSequenceReader.DerTag.BMPString:
return(tavReader.ReadBMPString());
case DerSequenceReader.DerTag.IA5String:
return(tavReader.ReadIA5String());
case DerSequenceReader.DerTag.PrintableString:
return(tavReader.ReadPrintableString());
case DerSequenceReader.DerTag.UTF8String:
return(tavReader.ReadUtf8String());
case DerSequenceReader.DerTag.T61String:
return(tavReader.ReadT61String());
default:
throw new CryptographicException(SR.Cryptography_Der_Invalid_Encoding);
}
}
private static IEnumerable <KeyValuePair <string, string> > ReadReverseRdns(X500DistinguishedName name)
{
DerSequenceReader x500NameReader = new DerSequenceReader(name.RawData);
var rdnReaders = new Stack <DerSequenceReader>();
while (x500NameReader.HasData)
{
rdnReaders.Push(x500NameReader.ReadSet());
}
while (rdnReaders.Count > 0)
{
DerSequenceReader rdnReader = rdnReaders.Pop();
while (rdnReader.HasData)
{
DerSequenceReader tavReader = rdnReader.ReadSequence();
string oid = tavReader.ReadOidAsString();
var tag = (DerSequenceReader.DerTag)tavReader.PeekTag();
string value = null;
switch (tag)
{
case DerSequenceReader.DerTag.BMPString:
value = tavReader.ReadBMPString();
break;
case DerSequenceReader.DerTag.IA5String:
value = tavReader.ReadIA5String();
break;
case DerSequenceReader.DerTag.PrintableString:
value = tavReader.ReadPrintableString();
break;
case DerSequenceReader.DerTag.UTF8String:
value = tavReader.ReadUtf8String();
break;
case DerSequenceReader.DerTag.T61String:
value = tavReader.ReadT61String();
break;
// Ignore anything we don't know how to read.
}
if (value != null)
{
yield return(new KeyValuePair <string, string>(oid, value));
}
}
}
}
