void m_decode(Byte[] rawData)
{
List <String> aiaUrls = new List <String>();
List <String> ocspUrls = new List <String>();
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
do
{
Int32 offset = asn.Offset;
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
String oidString = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData()).Value;
asn.MoveNextAndExpectTags(0x86);
switch (oidString)
{
case "1.3.6.1.5.5.7.48.2": aiaUrls.Add(Encoding.ASCII.GetString(asn.GetPayload())); break;
case "1.3.6.1.5.5.7.48.1": ocspUrls.Add(Encoding.ASCII.GetString(asn.GetPayload())); break;
}
asn.MoveToPoisition(offset);
} while (asn.MoveNextCurrentLevel());
CertificationAuthorityIssuer = aiaUrls.ToArray();
OnlineCertificateStatusProtocol = ocspUrls.ToArray();
}
void decodeSignerInfos(Asn1Reader asn) {
if (asn.PayloadLength == 0) { return; }
Int32 offset = asn.Offset;
asn.MoveNext();
do {
_signerInfos.Add(new PkcsSignerInfo(asn.GetTagRawData()));
} while (asn.MoveNextCurrentLevel());
asn.MoveToPoisition(offset);
}
void decodeCrls(Asn1Reader asn) {
if (asn.PayloadLength == 0) { return; }
Int32 offset = asn.Offset;
asn.MoveNext();
do {
_crls.Add(new X509CRL2(asn.GetTagRawData()));
} while (asn.MoveNextCurrentLevel());
asn.MoveToPoisition(offset);
}
Byte[] extractContent(Asn1Reader asn) {
Int32 offset = asn.Offset;
asn.MoveNext();
ContentType = new Asn1ObjectIdentifier(asn.GetTagRawData()).Value;
if (asn.MoveNextCurrentLevel()) { // content [0] EXPLICIT ANY DEFINED BY contentType
asn.MoveNextAndExpectTags((Byte)Asn1Type.OCTET_STRING); // octet string
return asn.GetPayload();
}
asn.MoveToPoisition(offset);
return null;
}
void decodeDigestAlgorithms(Asn1Reader asn) {
// asn tag -> SET (0x31)
Int32 offset = asn.Offset;
if (asn.PayloadLength == 0) { return; }
asn.MoveNext();
do {
_digestAlgorithms.Add(new AlgorithmIdentifier(asn.GetTagRawData()));
} while (asn.MoveNextCurrentLevel());
asn.MoveToPoisition(offset);
}
void m_decode(Byte[] rawData)
{
Asn1Reader asn = new Asn1Reader(rawData);
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
Oid oid = Asn1Utils.DecodeObjectIdentifier(asn.GetTagRawData());
switch (oid.Value)
{
case "1.3.6.1.5.5.7.2.1":
Type = X509PolicyQualifierType.CpsUrl;
asn.MoveNext();
PolicyUrl = new Uri(Asn1Utils.DecodeIA5String(asn.GetTagRawData()).Replace("\0", null));
break;
case "1.3.6.1.5.5.7.2.2":
Type = X509PolicyQualifierType.UserNotice;
if (!asn.MoveNext())
{
return;
}
if (asn.Tag != 48)
{
throw new Asn1InvalidTagException(asn.Offset);
}
asn.MoveNext();
if (asn.Tag == 48)
{
Int32 offset = asn.Offset;
asn.MoveNext();
NoticeReference = Asn1Utils.DecodeAnyString(asn.GetTagRawData(), new[] { Asn1Type.IA5String, Asn1Type.VisibleString, Asn1Type.BMPString, Asn1Type.UTF8String });
asn.MoveNext();
asn.MoveNext();
NoticeNumber = (Int32)Asn1Utils.DecodeInteger(asn.GetTagRawData());
asn.MoveToPoisition(offset);
if (asn.MoveNextCurrentLevel())
{
NoticeText = Asn1Utils.DecodeAnyString(asn.GetTagRawData(), new[] { Asn1Type.IA5String, Asn1Type.VisibleString, Asn1Type.BMPString, Asn1Type.UTF8String });
}
}
else
{
NoticeText = Asn1Utils.DecodeAnyString(asn.GetTagRawData(), new[] { Asn1Type.IA5String, Asn1Type.VisibleString, Asn1Type.BMPString, Asn1Type.UTF8String });
}
break;
default: m_reset(); return;
}
}
static void buildTree(Asn1Reader asn, Asn1Node node, Asn1Tree rootTree)
{
asn.MoveNext();
List <Int32> subNodeIndexes = new List <Int32>();
Int32 index = 0;
do
{
node.AddUnsafe(new Asn1Node(asn, rootTree));
if (asn.IsConstructed)
{
subNodeIndexes.Add(index);
}
index++;
} while (asn.MoveNextCurrentLevel());
asn.Reset();
foreach (Int32 subNodeIndex in subNodeIndexes)
{
Asn1Node subNode = node.Children[subNodeIndex];
asn.MoveToPoisition(subNode.Offset);
buildTree(asn, subNode, rootTree);
}
}
