internal TbsCertificateList(
Asn1Sequence seq)
{
if (seq.Count < 3 || seq.Count > 7)
{
throw new ArgumentException("Bad sequence size: " + seq.Count);
}
int seqPos = 0;
this.seq = seq;
if (seq[seqPos] is DerInteger)
{
version = DerInteger.GetInstance(seq[seqPos++]);
}
else
{
version = new DerInteger(0);
}
signature = AlgorithmIdentifier.GetInstance(seq[seqPos++]);
issuer = X509Name.GetInstance(seq[seqPos++]);
thisUpdate = Time.GetInstance(seq[seqPos++]);
if (seqPos < seq.Count &&
(seq[seqPos] is DerUtcTime ||
seq[seqPos] is DerGeneralizedTime ||
seq[seqPos] is Time))
{
nextUpdate = Time.GetInstance(seq[seqPos++]);
}
if (seqPos < seq.Count &&
!(seq[seqPos] is DerTaggedObject))
{
revokedCertificates = Asn1Sequence.GetInstance(seq[seqPos++]);
}
if (seqPos < seq.Count &&
seq[seqPos] is DerTaggedObject)
{
crlExtensions = X509Extensions.GetInstance(seq[seqPos]);
}
}
internal TbsCertificateStructure(Asn1Sequence seq)
{
int num = 0;
this.seq = seq;
if (seq[0] is DerTaggedObject)
{
this.version = DerInteger.GetInstance((Asn1TaggedObject)seq[0], true);
}
else
{
num = -1;
this.version = new DerInteger(0);
}
this.serialNumber = DerInteger.GetInstance(seq[num + 1]);
this.signature = AlgorithmIdentifier.GetInstance(seq[num + 2]);
this.issuer = X509Name.GetInstance(seq[num + 3]);
Asn1Sequence asn1Sequence = (Asn1Sequence)seq[num + 4];
this.startDate = Time.GetInstance(asn1Sequence[0]);
this.endDate = Time.GetInstance(asn1Sequence[1]);
this.subject = X509Name.GetInstance(seq[num + 5]);
this.subjectPublicKeyInfo = SubjectPublicKeyInfo.GetInstance(seq[num + 6]);
for (int i = seq.Count - (num + 6) - 1; i > 0; i--)
{
DerTaggedObject derTaggedObject = (DerTaggedObject)seq[num + 6 + i];
switch (derTaggedObject.TagNo)
{
case 1:
this.issuerUniqueID = DerBitString.GetInstance(derTaggedObject, false);
break;
case 2:
this.subjectUniqueID = DerBitString.GetInstance(derTaggedObject, false);
break;
case 3:
this.extensions = X509Extensions.GetInstance(derTaggedObject);
break;
}
}
}
public override string ToString()
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append(this.tag);
stringBuilder.Append(": ");
switch (this.tag)
{
case 1:
case 2:
case 6:
stringBuilder.Append(DerIA5String.GetInstance(this.obj).GetString());
goto IL_8C;
case 4:
stringBuilder.Append(X509Name.GetInstance(this.obj).ToString());
goto IL_8C;
}
stringBuilder.Append(this.obj.ToString());
IL_8C:
return(stringBuilder.ToString());
}
public override string ToString()
{
StringBuilder builder = new StringBuilder();
builder.Append(this.tag);
builder.Append(": ");
switch (this.tag)
{
case 1:
case 2:
case 6:
builder.Append(DerIA5String.GetInstance(this.obj).GetString());
break;
case 4:
builder.Append(X509Name.GetInstance(this.obj).ToString());
break;
default:
builder.Append(this.obj.ToString());
break;
}
return(builder.ToString());
}
internal TbsCertificateStructure(
Asn1Sequence seq)
{
int seqStart = 0;
this.seq = seq;
//
// some certficates don't include a version number - we assume v1
//
if (seq[0] is DerTaggedObject)
{
version = DerInteger.GetInstance((Asn1TaggedObject)seq[0], true);
}
else
{
seqStart = -1; // field 0 is missing!
version = new DerInteger(0);
}
bool isV1 = false;
bool isV2 = false;
if (version.Value.Equals(BigInteger.Zero))
{
isV1 = true;
}
else if (version.Value.Equals(BigInteger.One))
{
isV2 = true;
}
else if (!version.Value.Equals(BigInteger.Two))
{
throw new ArgumentException("version number not recognised");
}
serialNumber = DerInteger.GetInstance(seq[seqStart + 1]);
signature = AlgorithmIdentifier.GetInstance(seq[seqStart + 2]);
issuer = X509Name.GetInstance(seq[seqStart + 3]);
//
// before and after dates
//
Asn1Sequence dates = (Asn1Sequence)seq[seqStart + 4];
startDate = Time.GetInstance(dates[0]);
endDate = Time.GetInstance(dates[1]);
subject = X509Name.GetInstance(seq[seqStart + 5]);
//
// public key info.
//
subjectPublicKeyInfo = SubjectPublicKeyInfo.GetInstance(seq[seqStart + 6]);
int extras = seq.Count - (seqStart + 6) - 1;
if (extras != 0 && isV1)
{
throw new ArgumentException("version 1 certificate contains extra data");
}
while (extras > 0)
{
DerTaggedObject extra = (DerTaggedObject)seq[seqStart + 6 + extras];
switch (extra.TagNo)
{
case 1:
{
issuerUniqueID = DerBitString.GetInstance(extra, false);
break;
}
case 2:
{
subjectUniqueID = DerBitString.GetInstance(extra, false);
break;
}
case 3:
{
if (isV2)
{
throw new ArgumentException("version 2 certificate cannot contain extensions");
}
extensions = X509Extensions.GetInstance(extra);
break;
}
}
extras--;
}
}
public static X509Name GetInstance(Asn1TaggedObject obj, bool explicitly)
{
return(X509Name.GetInstance(Asn1Sequence.GetInstance(obj, explicitly)));
}