X509V2AttributeCertificateGenerator
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Math;
using System;
using System.Collections.Generic;
namespace Org.BouncyCastle.X509
{
public class X509V2AttributeCertificateGenerator
{
private readonly X509ExtensionsGenerator extGenerator = new X509ExtensionsGenerator();
private V2AttributeCertificateInfoGenerator acInfoGen;
public IEnumerable<string> SignatureAlgNames => X509Utilities.GetAlgNames();
public X509V2AttributeCertificateGenerator()
{
acInfoGen = new V2AttributeCertificateInfoGenerator();
}
public void Reset()
{
acInfoGen = new V2AttributeCertificateInfoGenerator();
extGenerator.Reset();
}
public void SetHolder(AttributeCertificateHolder holder)
{
acInfoGen.SetHolder(holder.m_holder);
}
public void SetIssuer(AttributeCertificateIssuer issuer)
{
acInfoGen.SetIssuer(AttCertIssuer.GetInstance(issuer.form));
}
public void SetSerialNumber(BigInteger serialNumber)
{
acInfoGen.SetSerialNumber(new DerInteger(serialNumber));
}
public void SetNotBefore(DateTime date)
{
acInfoGen.SetStartDate(new Asn1GeneralizedTime(date));
}
public void SetNotAfter(DateTime date)
{
acInfoGen.SetEndDate(new Asn1GeneralizedTime(date));
}
public void AddAttribute(X509Attribute attribute)
{
acInfoGen.AddAttribute(AttributeX509.GetInstance(attribute.ToAsn1Object()));
}
public void SetIssuerUniqueId(bool[] iui)
{
acInfoGen.SetIssuerUniqueID(X509V3CertificateGenerator.BooleanToBitString(iui));
}
public void AddExtension(string oid, bool critical, Asn1Encodable extensionValue)
{
extGenerator.AddExtension(new DerObjectIdentifier(oid), critical, extensionValue);
}
public void AddExtension(string oid, bool critical, byte[] extensionValue)
{
extGenerator.AddExtension(new DerObjectIdentifier(oid), critical, extensionValue);
}
public X509V2AttributeCertificate Generate(ISignatureFactory signatureFactory)
{
AlgorithmIdentifier algorithmIdentifier = (AlgorithmIdentifier)signatureFactory.AlgorithmDetails;
acInfoGen.SetSignature(algorithmIdentifier);
if (!extGenerator.IsEmpty)
acInfoGen.SetExtensions(extGenerator.Generate());
AttributeCertificateInfo attributeCertificateInfo = acInfoGen.GenerateAttributeCertificateInfo();
DerBitString signatureValue = X509Utilities.GenerateSignature(signatureFactory, attributeCertificateInfo);
return new X509V2AttributeCertificate(new AttributeCertificate(attributeCertificateInfo, algorithmIdentifier, signatureValue));
}
}
}