init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Tsp/TimeStampResponse.cs

@@ -0,0 +1,128 @@
+using System;
+using System.IO;
+using System.Text;
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Cmp;
+using Org.BouncyCastle.Asn1.Cms;
+using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Asn1.Tsp;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Tsp;
+
+public class TimeStampResponse
+{
+	private TimeStampResp resp;
+
+	private TimeStampToken timeStampToken;
+
+	public int Status => resp.Status.Status.IntValue;
+
+	public TimeStampToken TimeStampToken => timeStampToken;
+
+	public TimeStampResponse(TimeStampResp resp)
+	{
+		this.resp = resp;
+		if (resp.TimeStampToken != null)
+		{
+			timeStampToken = new TimeStampToken(resp.TimeStampToken);
+		}
+	}
+
+	public TimeStampResponse(byte[] resp)
+		: this(readTimeStampResp(new Asn1InputStream(resp)))
+	{
+	}
+
+	public TimeStampResponse(Stream input)
+		: this(readTimeStampResp(new Asn1InputStream(input)))
+	{
+	}
+
+	private static TimeStampResp readTimeStampResp(Asn1InputStream input)
+	{
+		try
+		{
+			return TimeStampResp.GetInstance(input.ReadObject());
+		}
+		catch (ArgumentException ex)
+		{
+			throw new TspException("malformed timestamp response: " + ex, ex);
+		}
+		catch (InvalidCastException ex2)
+		{
+			throw new TspException("malformed timestamp response: " + ex2, ex2);
+		}
+	}
+
+	public string GetStatusString()
+	{
+		if (resp.Status.StatusString == null)
+		{
+			return null;
+		}
+		StringBuilder stringBuilder = new StringBuilder();
+		PkiFreeText statusString = resp.Status.StatusString;
+		for (int i = 0; i != statusString.Count; i++)
+		{
+			stringBuilder.Append(statusString[i].GetString());
+		}
+		return stringBuilder.ToString();
+	}
+
+	public PkiFailureInfo GetFailInfo()
+	{
+		if (resp.Status.FailInfo == null)
+		{
+			return null;
+		}
+		return new PkiFailureInfo(resp.Status.FailInfo);
+	}
+
+	public void Validate(TimeStampRequest request)
+	{
+		TimeStampToken timeStampToken = TimeStampToken;
+		if (timeStampToken != null)
+		{
+			TimeStampTokenInfo timeStampInfo = timeStampToken.TimeStampInfo;
+			if (request.Nonce != null && !request.Nonce.Equals(timeStampInfo.Nonce))
+			{
+				throw new TspValidationException("response contains wrong nonce value.");
+			}
+			if (Status != 0 && Status != 1)
+			{
+				throw new TspValidationException("time stamp token found in failed request.");
+			}
+			if (!Arrays.ConstantTimeAreEqual(request.GetMessageImprintDigest(), timeStampInfo.GetMessageImprintDigest()))
+			{
+				throw new TspValidationException("response for different message imprint digest.");
+			}
+			if (!timeStampInfo.MessageImprintAlgOid.Equals(request.MessageImprintAlgOid))
+			{
+				throw new TspValidationException("response for different message imprint algorithm.");
+			}
+			Org.BouncyCastle.Asn1.Cms.Attribute attribute = timeStampToken.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificate];
+			Org.BouncyCastle.Asn1.Cms.Attribute attribute2 = timeStampToken.SignedAttributes[PkcsObjectIdentifiers.IdAASigningCertificateV2];
+			if (attribute == null && attribute2 == null)
+			{
+				throw new TspValidationException("no signing certificate attribute present.");
+			}
+			if (attribute != null)
+			{
+			}
+			if (request.ReqPolicy != null && !request.ReqPolicy.Equals(timeStampInfo.Policy))
+			{
+				throw new TspValidationException("TSA policy wrong for request.");
+			}
+		}
+		else if (Status == 0 || Status == 1)
+		{
+			throw new TspValidationException("no time stamp token found and one expected.");
+		}
+	}
+
+	public byte[] GetEncoded()
+	{
+		return resp.GetEncoded();
+	}
+}