TimeStampTokenInfo
using Org.BouncyCastle.Asn1;
using Org.BouncyCastle.Asn1.Tsp;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Math;
using System;
namespace Org.BouncyCastle.Tsp
{
public class TimeStampTokenInfo
{
private readonly TstInfo m_tstInfo;
private readonly DateTime m_genTime;
public bool IsOrdered => m_tstInfo.Ordering.IsTrue;
public Accuracy Accuracy => m_tstInfo.Accuracy;
public DateTime GenTime => m_genTime;
public GenTimeAccuracy GenTimeAccuracy {
get {
if (Accuracy != null)
return new GenTimeAccuracy(Accuracy);
return null;
}
}
public string Policy => m_tstInfo.Policy.GetID();
public BigInteger SerialNumber => m_tstInfo.SerialNumber.Value;
public GeneralName Tsa => m_tstInfo.Tsa;
public BigInteger Nonce => m_tstInfo.Nonce?.Value;
public AlgorithmIdentifier HashAlgorithm => m_tstInfo.MessageImprint.HashAlgorithm;
public string MessageImprintAlgOid => m_tstInfo.MessageImprint.HashAlgorithm.Algorithm.GetID();
public Asn1OctetString MessageImprintDigest => m_tstInfo.MessageImprint.HashedMessage;
public TstInfo TstInfo => m_tstInfo;
private static TstInfo ParseTstInfo(byte[] tstInfoEncoding)
{
try {
return TstInfo.GetInstance(tstInfoEncoding);
} catch (Exception ex) {
throw new TspException("unable to parse TstInfo encoding: " + ex.Message);
}
}
public TimeStampTokenInfo(byte[] tstInfoEncoding)
: this(ParseTstInfo(tstInfoEncoding))
{
}
public TimeStampTokenInfo(TstInfo tstInfo)
{
m_tstInfo = tstInfo;
try {
m_genTime = tstInfo.GenTime.ToDateTime();
} catch (Exception ex) {
throw new TspException("unable to parse genTime field: " + ex.Message);
}
}
public byte[] GetMessageImprintDigest()
{
return m_tstInfo.MessageImprint.GetHashedMessage();
}
public byte[] GetEncoded()
{
return m_tstInfo.GetEncoded();
}
}
}