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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Tsp
{
public class TimeStampReq
: Asn1Encodable
{
private readonly DerInteger version;
private readonly MessageImprint messageImprint;
private readonly DerObjectIdentifier tsaPolicy;
private readonly DerInteger nonce;
private readonly DerBoolean certReq;
private readonly X509Extensions extensions;
public static TimeStampReq GetInstance(
object o)
{
if (o == null || o is TimeStampReq)
{
return (TimeStampReq) o;
}
if (o is Asn1Sequence)
{
return new TimeStampReq((Asn1Sequence) o);
}
throw new ArgumentException(
"Unknown object in 'TimeStampReq' factory: " + o.GetType().FullName);
}
private TimeStampReq(
Asn1Sequence seq)
{
int nbObjects = seq.Count;
int seqStart = 0;
// version
version = DerInteger.GetInstance(seq[seqStart++]);
// messageImprint
messageImprint = MessageImprint.GetInstance(seq[seqStart++]);
for (int opt = seqStart; opt < nbObjects; opt++)
{
// tsaPolicy
if (seq[opt] is DerObjectIdentifier)
{
tsaPolicy = DerObjectIdentifier.GetInstance(seq[opt]);
}
// nonce
else if (seq[opt] is DerInteger)
{
nonce = DerInteger.GetInstance(seq[opt]);
}
// certReq
else if (seq[opt] is DerBoolean)
{
certReq = DerBoolean.GetInstance(seq[opt]);
}
// extensions
else if (seq[opt] is Asn1TaggedObject)
{
Asn1TaggedObject tagged = (Asn1TaggedObject) seq[opt];
if (tagged.TagNo == 0)
{
extensions = X509Extensions.GetInstance(tagged, false);
}
}
}
}
public TimeStampReq(
MessageImprint messageImprint,
DerObjectIdentifier tsaPolicy,
DerInteger nonce,
DerBoolean certReq,
X509Extensions extensions)
{
// default
this.version = new DerInteger(1);
this.messageImprint = messageImprint;
this.tsaPolicy = tsaPolicy;
this.nonce = nonce;
this.certReq = certReq;
this.extensions = extensions;
}
public DerInteger Version
{
get { return version; }
}
public MessageImprint MessageImprint
{
get { return messageImprint; }
}
public DerObjectIdentifier ReqPolicy
{
get { return tsaPolicy; }
}
public DerInteger Nonce
{
get { return nonce; }
}
public DerBoolean CertReq
{
get { return certReq; }
}
public X509Extensions Extensions
{
get { return extensions; }
}
/**
* <pre>
* TimeStampReq ::= SEQUENCE {
* version INTEGER { v1(1) },
* messageImprint MessageImprint,
* --a hash algorithm OID and the hash value of the data to be
* --time-stamped
* reqPolicy TSAPolicyId OPTIONAL,
* nonce INTEGER OPTIONAL,
* certReq BOOLEAN DEFAULT FALSE,
* extensions [0] IMPLICIT Extensions OPTIONAL
* }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(
version, messageImprint);
if (tsaPolicy != null)
{
v.Add(tsaPolicy);
}
if (nonce != null)
{
v.Add(nonce);
}
if (certReq != null && certReq.IsTrue)
{
v.Add(certReq);
}
if (extensions != null)
{
v.Add(new DerTaggedObject(false, 0, extensions));
}
return new DerSequence(v);
}
}
}
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