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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Tsp
{
public class TstInfo
: Asn1Encodable
{
public static TstInfo GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is TstInfo tstInfo)
return tstInfo;
return new TstInfo(Asn1Sequence.GetInstance(obj));
}
public static TstInfo GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
new TstInfo(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
public static TstInfo GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
new TstInfo(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
private readonly DerInteger m_version;
private readonly DerObjectIdentifier m_policy;
private readonly MessageImprint m_messageImprint;
private readonly DerInteger m_serialNumber;
private readonly Asn1GeneralizedTime m_genTime;
private readonly Accuracy m_accuracy;
private readonly DerBoolean m_ordering;
private readonly DerInteger m_nonce;
private readonly GeneralName m_tsa;
private readonly X509Extensions m_extensions;
private TstInfo(Asn1Sequence seq)
{
int count = seq.Count, pos = 0;
if (count < 5 || count > 10)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_version = DerInteger.GetInstance(seq[pos++]);
m_policy = DerObjectIdentifier.GetInstance(seq[pos++]);
m_messageImprint = MessageImprint.GetInstance(seq[pos++]);
m_serialNumber = DerInteger.GetInstance(seq[pos++]);
m_genTime = Asn1GeneralizedTime.GetInstance(seq[pos++]);
m_accuracy = Asn1Utilities.ReadOptional(seq, ref pos, Accuracy.GetOptional);
m_ordering = Asn1Utilities.ReadOptional(seq, ref pos, DerBoolean.GetOptional) ?? DerBoolean.False;
m_nonce = Asn1Utilities.ReadOptional(seq, ref pos, DerInteger.GetOptional);
m_tsa = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 0, true, GeneralName.GetTagged); // CHOICE
m_extensions = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 1, false, X509Extensions.GetTagged);
if (pos != count)
throw new ArgumentException("Unexpected elements in sequence", nameof(seq));
}
// TODO[api] 'tsaPolicyId' => 'policy'
public TstInfo(DerObjectIdentifier tsaPolicyId, MessageImprint messageImprint, DerInteger serialNumber,
Asn1GeneralizedTime genTime, Accuracy accuracy, DerBoolean ordering, DerInteger nonce, GeneralName tsa,
X509Extensions extensions)
{
m_version = DerInteger.One;
m_policy = tsaPolicyId ?? throw new ArgumentNullException(nameof(tsaPolicyId));
m_messageImprint = messageImprint ?? throw new ArgumentNullException(nameof(messageImprint));
m_serialNumber = serialNumber ?? throw new ArgumentNullException(nameof(serialNumber));
m_genTime = genTime ?? throw new ArgumentNullException(nameof(genTime));
m_accuracy = accuracy;
m_ordering = ordering ?? DerBoolean.False;
m_nonce = nonce;
m_tsa = tsa;
m_extensions = extensions;
}
public DerInteger Version => m_version;
public MessageImprint MessageImprint => m_messageImprint;
public DerObjectIdentifier Policy => m_policy;
public DerInteger SerialNumber => m_serialNumber;
public Accuracy Accuracy => m_accuracy;
public Asn1GeneralizedTime GenTime => m_genTime;
public DerBoolean Ordering => m_ordering;
public DerInteger Nonce => m_nonce;
public GeneralName Tsa => m_tsa;
public X509Extensions Extensions => m_extensions;
/**
* <pre>
*
* TstInfo ::= SEQUENCE {
* version INTEGER { v1(1) },
* policy TSAPolicyId,
* messageImprint MessageImprint,
* -- MUST have the same value as the similar field in
* -- TimeStampReq
* serialNumber INTEGER,
* -- Time-Stamping users MUST be ready to accommodate integers
* -- up to 160 bits.
* genTime GeneralizedTime,
* accuracy Accuracy OPTIONAL,
* ordering BOOLEAN DEFAULT FALSE,
* nonce INTEGER OPTIONAL,
* -- MUST be present if the similar field was present
* -- in TimeStampReq. In that case it MUST have the same value.
* tsa [0] GeneralName OPTIONAL,
* extensions [1] IMPLICIT Extensions OPTIONAL }
*
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(10);
v.Add(m_version, m_policy, m_messageImprint, m_serialNumber, m_genTime);
v.AddOptional(m_accuracy);
if (m_ordering.IsTrue)
{
v.Add(m_ordering);
}
v.AddOptional(m_nonce);
v.AddOptionalTagged(true, 0, m_tsa); // CHOICE
v.AddOptionalTagged(false, 1, m_extensions);
return new DerSequence(v);
}
}
}
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