public OcspRequest(
TbsRequest tbsRequest,
Signature optionalSignature)
{
if (tbsRequest == null)
throw new ArgumentNullException("tbsRequest");
this.tbsRequest = tbsRequest;
this.optionalSignature = optionalSignature;
}
private OcspRequest(
Asn1Sequence seq)
{
tbsRequest = TbsRequest.GetInstance(seq[0]);
if (seq.Count == 2)
{
optionalSignature = Signature.GetInstance(
(Asn1TaggedObject)seq[1], true);
}
}
private OcspRequest(
Asn1Sequence seq)
{
tbsRequest = TbsRequest.GetInstance(seq[0]);
if (seq.Count == 2)
{
optionalSignature = Signature.GetInstance(
(Asn1TaggedObject)seq[1], true);
}
}
public OcspRequest(
TbsRequest tbsRequest,
Signature optionalSignature)
{
if (tbsRequest == null)
{
throw new ArgumentNullException("tbsRequest");
}
this.tbsRequest = tbsRequest;
this.optionalSignature = optionalSignature;
}
private OcspReq GenerateRequest(
DerObjectIdentifier signingAlgorithm,
AsymmetricKeyParameter privateKey,
X509Certificate[] chain,
SecureRandom random)
{
Asn1EncodableVector requests = new Asn1EncodableVector();
foreach (RequestObject reqObj in list)
{
try
{
requests.Add(reqObj.ToRequest());
}
catch (Exception e)
{
throw new OcspException("exception creating Request", e);
}
}
TbsRequest tbsReq = new TbsRequest(requestorName, new DerSequence(requests), requestExtensions);
ISigner sig = null;
Signature signature = null;
if (signingAlgorithm != null)
{
if (requestorName == null)
{
throw new OcspException("requestorName must be specified if request is signed.");
}
try
{
sig = SignerUtilities.GetSigner(signingAlgorithm.Id);
if (random != null)
{
sig.Init(true, new ParametersWithRandom(privateKey, random));
}
else
{
sig.Init(true, privateKey);
}
}
catch (Exception e)
{
throw new OcspException("exception creating signature: " + e, e);
}
DerBitString bitSig = null;
try
{
byte[] encoded = tbsReq.GetEncoded();
sig.BlockUpdate(encoded, 0, encoded.Length);
bitSig = new DerBitString(sig.GenerateSignature());
}
catch (Exception e)
{
throw new OcspException("exception processing TBSRequest: " + e, e);
}
AlgorithmIdentifier sigAlgId = new AlgorithmIdentifier(signingAlgorithm, DerNull.Instance);
if (chain != null && chain.Length > 0)
{
Asn1EncodableVector v = new Asn1EncodableVector();
try
{
for (int i = 0; i != chain.Length; i++)
{
v.Add(
X509CertificateStructure.GetInstance(
Asn1Object.FromByteArray(chain[i].GetEncoded())));
}
}
catch (IOException e)
{
throw new OcspException("error processing certs", e);
}
catch (CertificateEncodingException e)
{
throw new OcspException("error encoding certs", e);
}
signature = new Signature(sigAlgId, bitSig, new DerSequence(v));
}
else
{
signature = new Signature(sigAlgId, bitSig);
}
}
return new OcspReq(new OcspRequest(tbsReq, signature));
}