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using System;
namespace Org.BouncyCastle.Asn1.X509
{
/**
* Generator for Version 3 TbsCertificateStructures.
* <pre>
* TbsCertificate ::= Sequence {
* version [ 0 ] Version DEFAULT v1(0),
* serialNumber CertificateSerialNumber,
* signature AlgorithmIdentifier,
* issuer Name,
* validity Validity,
* subject Name,
* subjectPublicKeyInfo SubjectPublicKeyInfo,
* issuerUniqueID [ 1 ] IMPLICIT UniqueIdentifier OPTIONAL,
* subjectUniqueID [ 2 ] IMPLICIT UniqueIdentifier OPTIONAL,
* extensions [ 3 ] Extensions OPTIONAL
* }
* </pre>
*
*/
public class V3TbsCertificateGenerator
{
internal DerTaggedObject version = new DerTaggedObject(0, new DerInteger(2));
internal DerInteger serialNumber;
internal AlgorithmIdentifier signature;
internal X509Name issuer;
internal Time startDate, endDate;
internal X509Name subject;
internal SubjectPublicKeyInfo subjectPublicKeyInfo;
internal X509Extensions extensions;
private bool altNamePresentAndCritical;
private DerBitString issuerUniqueID;
private DerBitString subjectUniqueID;
public V3TbsCertificateGenerator()
{
}
public void SetSerialNumber(
DerInteger serialNumber)
{
this.serialNumber = serialNumber;
}
public void SetSignature(
AlgorithmIdentifier signature)
{
this.signature = signature;
}
public void SetIssuer(
X509Name issuer)
{
this.issuer = issuer;
}
public void SetStartDate(
DerUtcTime startDate)
{
this.startDate = new Time(startDate);
}
public void SetStartDate(
Time startDate)
{
this.startDate = startDate;
}
public void SetEndDate(
DerUtcTime endDate)
{
this.endDate = new Time(endDate);
}
public void SetEndDate(
Time endDate)
{
this.endDate = endDate;
}
public void SetSubject(
X509Name subject)
{
this.subject = subject;
}
public void SetIssuerUniqueID(
DerBitString uniqueID)
{
this.issuerUniqueID = uniqueID;
}
public void SetSubjectUniqueID(
DerBitString uniqueID)
{
this.subjectUniqueID = uniqueID;
}
public void SetSubjectPublicKeyInfo(
SubjectPublicKeyInfo pubKeyInfo)
{
this.subjectPublicKeyInfo = pubKeyInfo;
}
public void SetExtensions(
X509Extensions extensions)
{
this.extensions = extensions;
if (extensions != null)
{
X509Extension altName = extensions.GetExtension(X509Extensions.SubjectAlternativeName);
if (altName != null && altName.IsCritical)
{
altNamePresentAndCritical = true;
}
}
}
public TbsCertificateStructure GenerateTbsCertificate()
{
if ((serialNumber == null) || (signature == null)
|| (issuer == null) || (startDate == null) || (endDate == null)
|| (subject == null && !altNamePresentAndCritical)
|| (subjectPublicKeyInfo == null))
{
throw new InvalidOperationException("not all mandatory fields set in V3 TBScertificate generator");
}
DerSequence validity = new DerSequence(startDate, endDate); // before and after dates
Asn1EncodableVector v = new Asn1EncodableVector(
version, serialNumber, signature, issuer, validity);
if (subject != null)
{
v.Add(subject);
}
else
{
v.Add(DerSequence.Empty);
}
v.Add(subjectPublicKeyInfo);
if (issuerUniqueID != null)
{
v.Add(new DerTaggedObject(false, 1, issuerUniqueID));
}
if (subjectUniqueID != null)
{
v.Add(new DerTaggedObject(false, 2, subjectUniqueID));
}
if (extensions != null)
{
v.Add(new DerTaggedObject(3, extensions));
}
return new TbsCertificateStructure(new DerSequence(v));
}
}
}
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