public AuthorityKeyIdentifier(
ASN1Sequence seq)
{
IEnumerator e = seq.getObjects();
while (e.MoveNext())
{
DERTaggedObject o = (DERTaggedObject)e.Current;
switch ((int)o.getTagNo())
{
case 0:
this.keyidentifier = ASN1OctetString.getInstance(o, false);
break;
case 1:
this.certissuer = GeneralNames.getInstance(o, false);
break;
case 2:
this.certserno = DERInteger.getInstance(o, false);
break;
default:
throw new ArgumentException("illegal tag");
}
}
}
public TBSCertificateStructure(
ASN1Sequence seq)
{
int seqStart = 0;
this.seq = seq;
//
// some certficates don't include a version number - we assume v1
//
if (seq.getObjectAt(0) is DERTaggedObject)
{
version = DERInteger.getInstance(seq.getObjectAt(0));
}
else
{
seqStart = -1; // field 0 is missing!
version = new DERInteger(0);
}
serialNumber = DERInteger.getInstance(seq.getObjectAt(seqStart + 1));
signature = AlgorithmIdentifier.getInstance(seq.getObjectAt(seqStart + 2));
issuer = X509Name.getInstance(seq.getObjectAt(seqStart + 3));
//
// before and after dates
//
ASN1Sequence dates = (ASN1Sequence)seq.getObjectAt(seqStart + 4);
startDate = Time.getInstance(dates.getObjectAt(0));
endDate = Time.getInstance(dates.getObjectAt(1));
subject = X509Name.getInstance(seq.getObjectAt(seqStart + 5));
//
// public key info.
//
subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(seqStart + 6));
for (int extras = seq.size() - (seqStart + 6) - 1; extras > 0; extras--)
{
DERTaggedObject extra = (DERTaggedObject)seq.getObjectAt(seqStart + 6 + extras);
switch ((int)extra.getTagNo())
{
case 1:
issuerUniqueId = DERBitString.getInstance(extra, false);
break;
case 2:
subjectUniqueId = DERBitString.getInstance(extra, false);
break;
case 3:
extensions = X509Extensions.getInstance(extra);
break;
}
}
}
public ASN1OctetString getContent()
{
if (data.size() == 3)
{
DERTaggedObject o = (DERTaggedObject)data.getObjectAt(2);
return(ASN1OctetString.getInstance(o.getObject()));
}
return(null);
}
public SignedData(
ASN1Sequence seq)
{
IEnumerator e = seq.getObjects();
e.MoveNext();
version = (DERInteger)e.Current;
e.MoveNext();
digestAlgorithms = ((ASN1Set)e.Current);
e.MoveNext();
contentInfo = ContentInfo.getInstance(e.Current);
while (e.MoveNext())
{
ASN1Object o = (ASN1Object)e.Current;
//
// an interesting feature of SignedData is that there appear to be varying implementations...
// for the moment we ignore anything which doesn't fit.
//
if (o is DERTaggedObject)
{
DERTaggedObject tagged = (DERTaggedObject)o;
switch ((int)tagged.getTagNo())
{
case 0:
certificates = ASN1Set.getInstance(tagged, false);
break;
case 1:
crls = ASN1Set.getInstance(tagged, false);
break;
default:
throw new ArgumentException("unknown tag value " + tagged.getTagNo());
}
}
else
{
signerInfos = (ASN1Set)o;
}
}
}
public OtherInfo(
ASN1Sequence seq)
{
IEnumerator e = seq.getObjects();
e.MoveNext();
keyInfo = new KeySpecificInfo((ASN1Sequence)e.Current);
while (e.MoveNext())
{
DERTaggedObject o = (DERTaggedObject)e.Current;
if (o.getTagNo() == 0)
{
partyAInfo = (ASN1OctetString)o.getObject();
}
else if ((int)o.getTagNo() == 2)
{
suppPubInfo = (ASN1OctetString)o.getObject();
}
}
}
public CertificationRequestInfo(
ASN1Sequence seq)
{
version = (DERInteger)seq.getObjectAt(0);
subject = X509Name.getInstance(seq.getObjectAt(1));
subjectPKInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(2));
//
// some CertificationRequestInfo objects seem to treat this field
// as optional.
//
if (seq.size() > 3)
{
DERTaggedObject tagobj = (DERTaggedObject)seq.getObjectAt(3);
attributes = ASN1Set.getInstance(tagobj, false);
}
if ((subject == null) || (version == null) || (subjectPKInfo == null))
{
throw new ArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
}
}
/**
* dump a DER object as a formatted string with indentation
*
* @param obj the ASN1Object to be dumped out.
*/
public static string _dumpAsString(
string indent,
ASN1Object obj)
{
if (obj is ASN1Sequence)
{
StringBuilder buf = new StringBuilder();
IEnumerator e = ((ASN1Sequence)obj).getObjects();
string tab = indent + TAB;
buf.Append(indent);
if (obj is DERSequence)
{
buf.Append("DER Sequence");
}
else if (obj is BERSequence)
{
buf.Append("BER Sequence");
}
else
{
buf.Append("Sequence");
}
buf.Append(Environment.NewLine);
while (e.MoveNext())
{
object o = e.Current;
if (o == null || o.Equals(new DERNull()))
{
buf.Append(tab);
buf.Append("NULL");
buf.Append(Environment.NewLine);
}
else if (o is ASN1Object)
{
buf.Append(_dumpAsString(tab, (ASN1Object)o));
}
else
{
buf.Append(_dumpAsString(tab, ((ASN1Encodable)o).toASN1Object()));
}
}
return(buf.ToString());
}
else if (obj is DERTaggedObject)
{
StringBuilder buf = new StringBuilder();
string tab = indent + TAB;
buf.Append(indent);
if (obj is BERTaggedObject)
{
buf.Append("BER Tagged [");
}
else
{
buf.Append("Tagged [");
}
DERTaggedObject o = (DERTaggedObject)obj;
buf.Append(((int)o.getTagNo()).ToString());
buf.Append("]");
if (!o.isExplicit())
{
buf.Append(" IMPLICIT ");
}
buf.Append(Environment.NewLine);
if (o.isEmpty())
{
buf.Append(tab);
buf.Append("EMPTY");
buf.Append(Environment.NewLine);
}
else
{
buf.Append(_dumpAsString(tab, o.getObject()));
}
return(buf.ToString());
}
else if (obj is BERSet)
{
StringBuilder buf = new StringBuilder();
IEnumerator e = ((ASN1Set)obj).getObjects();
string tab = indent + TAB;
buf.Append(indent);
buf.Append("BER Set");
buf.Append(Environment.NewLine);
while (e.MoveNext())
{
object o = e.Current;
if (o == null)
{
buf.Append(tab);
buf.Append("NULL");
buf.Append(Environment.NewLine);
}
else if (o is ASN1Object)
{
buf.Append(_dumpAsString(tab, (ASN1Object)o));
}
else
{
buf.Append(_dumpAsString(tab, ((ASN1Encodable)o).toASN1Object()));
}
}
return(buf.ToString());
}
else if (obj is DERSet)
{
StringBuilder buf = new StringBuilder();
IEnumerator e = ((ASN1Set)obj).getObjects();
string tab = indent + TAB;
buf.Append(indent);
buf.Append("DER Set");
buf.Append(Environment.NewLine);
while (e.MoveNext())
{
object o = e.Current;
if (o == null)
{
buf.Append(tab);
buf.Append("NULL");
buf.Append(Environment.NewLine);
}
else if (o is ASN1Object)
{
buf.Append(_dumpAsString(tab, (ASN1Object)o));
}
else
{
buf.Append(_dumpAsString(tab, ((ASN1Encodable)o).toASN1Object()));
}
}
return(buf.ToString());
}
else if (obj is DERObjectIdentifier)
{
return(indent + "ObjectIdentifier(" + ((DERObjectIdentifier)obj).getId() + ")" + Environment.NewLine);
}
else if (obj is DERBoolean)
{
return(indent + "Boolean(" + ((DERBoolean)obj).isTrue() + ")" + Environment.NewLine);
}
else if (obj is DERInteger)
{
return(indent + "Integer(" + ((DERInteger)obj).getValue() + ")" + Environment.NewLine);
}
else if (obj is DEROctetString)
{
return(indent + obj.ToString() + "[" + ((ASN1OctetString)obj).getOctets().Length + "] " + Environment.NewLine);
}
else if (obj is DERIA5String)
{
return(indent + "IA5String(" + ((DERIA5String)obj).getString() + ") " + Environment.NewLine);
}
else if (obj is DERPrintableString)
{
return(indent + "PrintableString(" + ((DERPrintableString)obj).getString() + ") " + Environment.NewLine);
}
else if (obj is DERVisibleString)
{
return(indent + "VisibleString(" + ((DERVisibleString)obj).getString() + ") " + Environment.NewLine);
}
else if (obj is DERBMPString)
{
return(indent + "BMPString(" + ((DERBMPString)obj).getString() + ") " + Environment.NewLine);
}
else if (obj is DERT61String)
{
return(indent + "T61String(" + ((DERT61String)obj).getString() + ") " + Environment.NewLine);
}
else if (obj is DERUTCTime)
{
return(indent + "UTCTime(" + ((DERUTCTime)obj).getTime() + ") " + Environment.NewLine);
}
else if (obj is DERUnknownTag)
{
return(indent + "Unknown " + ((int)((DERUnknownTag)obj).getTag()).ToString("X") + " "
+ ByteArray2String(Hex.encode(((DERUnknownTag)obj).getData())) + Environment.NewLine);
}
else
{
return(indent + obj.ToString() + Environment.NewLine);
}
}
