5 files changed, 716 insertions, 0 deletions
diff --git a/crypto/src/asn1/tsp/Accuracy.cs b/crypto/src/asn1/tsp/Accuracy.cs
new file mode 100644
index 000000000..a193f52ff
--- /dev/null
+++ b/crypto/src/asn1/tsp/Accuracy.cs
@@ -0,0 +1,149 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Tsp
+{
+	public class Accuracy
+		: Asn1Encodable
+	{
+		private readonly DerInteger seconds;
+		private readonly DerInteger millis;
+		private readonly DerInteger micros;
+
+		// constants
+		protected const int MinMillis = 1;
+		protected const int MaxMillis = 999;
+		protected const int MinMicros = 1;
+		protected const int MaxMicros = 999;
+
+		public Accuracy(
+			DerInteger seconds,
+			DerInteger millis,
+			DerInteger micros)
+		{
+			//Verifications
+			if (millis != null
+				&& (millis.Value.IntValue < MinMillis
+					|| millis.Value.IntValue > MaxMillis))
+			{
+				throw new ArgumentException(
+					"Invalid millis field : not in (1..999)");
+			}
+
+			if (micros != null
+				&& (micros.Value.IntValue < MinMicros
+					|| micros.Value.IntValue > MaxMicros))
+			{
+				throw new ArgumentException(
+					"Invalid micros field : not in (1..999)");
+			}
+
+			this.seconds = seconds;
+			this.millis = millis;
+			this.micros = micros;
+		}
+
+		private Accuracy(
+			Asn1Sequence seq)
+		{
+			for (int i = 0; i < seq.Count; ++i)
+			{
+				// seconds
+				if (seq[i] is DerInteger)
+				{
+					seconds = (DerInteger) seq[i];
+				}
+				else if (seq[i] is DerTaggedObject)
+				{
+					DerTaggedObject extra = (DerTaggedObject) seq[i];
+
+					switch (extra.TagNo)
+					{
+						case 0:
+							millis = DerInteger.GetInstance(extra, false);
+							if (millis.Value.IntValue < MinMillis
+								|| millis.Value.IntValue > MaxMillis)
+							{
+								throw new ArgumentException(
+									"Invalid millis field : not in (1..999).");
+							}
+							break;
+						case 1:
+							micros = DerInteger.GetInstance(extra, false);
+							if (micros.Value.IntValue < MinMicros
+								|| micros.Value.IntValue > MaxMicros)
+							{
+								throw new ArgumentException(
+									"Invalid micros field : not in (1..999).");
+							}
+							break;
+						default:
+							throw new ArgumentException("Invalig tag number");
+					}
+				}
+			}
+		}
+
+		public static Accuracy GetInstance(
+			object o)
+		{
+			if (o == null || o is Accuracy)
+			{
+				return (Accuracy) o;
+			}
+
+			if (o is Asn1Sequence)
+			{
+				return new Accuracy((Asn1Sequence) o);
+			}
+
+			throw new ArgumentException(
+				"Unknown object in 'Accuracy' factory: " + o.GetType().FullName);
+		}
+
+		public DerInteger Seconds
+		{
+			get { return seconds; }
+		}
+
+		public DerInteger Millis
+		{
+			get { return millis; }
+		}
+
+		public DerInteger Micros
+		{
+			get { return micros; }
+		}
+
+		/**
+		 * <pre>
+		 * Accuracy ::= SEQUENCE {
+		 *             seconds        INTEGER              OPTIONAL,
+		 *             millis     [0] INTEGER  (1..999)    OPTIONAL,
+		 *             micros     [1] INTEGER  (1..999)    OPTIONAL
+		 *             }
+		 * </pre>
+		 */
+		public override Asn1Object ToAsn1Object()
+		{
+			Asn1EncodableVector v = new Asn1EncodableVector();
+
+			if (seconds != null)
+			{
+				v.Add(seconds);
+			}
+
+			if (millis != null)
+			{
+				v.Add(new DerTaggedObject(false, 0, millis));
+			}
+
+			if (micros != null)
+			{
+				v.Add(new DerTaggedObject(false, 1, micros));
+			}
+
+			return new DerSequence(v);
+		}
+	}
+}
diff --git a/crypto/src/asn1/tsp/MessageImprint.cs b/crypto/src/asn1/tsp/MessageImprint.cs
new file mode 100644
index 000000000..0933bae21
--- /dev/null
+++ b/crypto/src/asn1/tsp/MessageImprint.cs
@@ -0,0 +1,74 @@
+using System;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Tsp
+{
+	public class MessageImprint
+		: Asn1Encodable
+	{
+		private readonly AlgorithmIdentifier	hashAlgorithm;
+		private readonly byte[]					hashedMessage;
+
+		/**
+		 * @param o
+		 * @return a MessageImprint object.
+		 */
+		public static MessageImprint GetInstance(
+			object o)
+		{
+			if (o == null || o is MessageImprint)
+			{
+				return (MessageImprint) o;
+			}
+
+			if (o is Asn1Sequence)
+			{
+				return new MessageImprint((Asn1Sequence) o);
+			}
+
+			throw new ArgumentException(
+				"Unknown object in 'MessageImprint' factory: " + o.GetType().FullName);
+		}
+
+		private MessageImprint(
+			Asn1Sequence seq)
+		{
+			if (seq.Count != 2)
+				throw new ArgumentException("Wrong number of elements in sequence", "seq");
+
+			this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
+			this.hashedMessage = Asn1OctetString.GetInstance(seq[1]).GetOctets();
+		}
+
+		public MessageImprint(
+			AlgorithmIdentifier	hashAlgorithm,
+			byte[]				hashedMessage)
+		{
+			this.hashAlgorithm = hashAlgorithm;
+			this.hashedMessage = hashedMessage;
+		}
+
+		public AlgorithmIdentifier HashAlgorithm
+		{
+			get { return hashAlgorithm; }
+		}
+
+		public byte[] GetHashedMessage()
+		{
+			return hashedMessage;
+		}
+
+		/**
+		 * <pre>
+		 *    MessageImprint ::= SEQUENCE  {
+		 *       hashAlgorithm                AlgorithmIdentifier,
+		 *       hashedMessage                OCTET STRING  }
+		 * </pre>
+		 */
+		public override Asn1Object ToAsn1Object()
+		{
+			return new DerSequence(hashAlgorithm, new DerOctetString(hashedMessage));
+		}
+	}
+}
diff --git a/crypto/src/asn1/tsp/TSTInfo.cs b/crypto/src/asn1/tsp/TSTInfo.cs
new file mode 100644
index 000000000..61d5399c7
--- /dev/null
+++ b/crypto/src/asn1/tsp/TSTInfo.cs
@@ -0,0 +1,249 @@
+using System;
+using System.Collections;
+using System.IO;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Tsp
+{
+	public class TstInfo
+		: Asn1Encodable
+	{
+		private readonly DerInteger				version;
+		private readonly DerObjectIdentifier	tsaPolicyId;
+		private readonly MessageImprint			messageImprint;
+		private readonly DerInteger				serialNumber;
+		private readonly DerGeneralizedTime		genTime;
+		private readonly Accuracy				accuracy;
+		private readonly DerBoolean				ordering;
+		private readonly DerInteger				nonce;
+		private readonly GeneralName			tsa;
+		private readonly X509Extensions			extensions;
+
+		public static TstInfo GetInstance(
+			object o)
+		{
+			if (o == null || o is TstInfo)
+			{
+				return (TstInfo) o;
+			}
+
+			if (o is Asn1Sequence)
+			{
+				return new TstInfo((Asn1Sequence) o);
+			}
+
+			if (o is Asn1OctetString)
+			{
+				try
+				{
+					byte[] octets = ((Asn1OctetString)o).GetOctets();
+					return GetInstance(Asn1Object.FromByteArray(octets));
+				}
+				catch (IOException)
+				{
+					throw new ArgumentException(
+						"Bad object format in 'TstInfo' factory.");
+				}
+			}
+
+			throw new ArgumentException(
+				"Unknown object in 'TstInfo' factory: " + o.GetType().FullName);
+		}
+
+		private TstInfo(
+			Asn1Sequence seq)
+		{
+			IEnumerator e = seq.GetEnumerator();
+
+			// version
+			e.MoveNext();
+			version = DerInteger.GetInstance(e.Current);
+
+			// tsaPolicy
+			e.MoveNext();
+			tsaPolicyId = DerObjectIdentifier.GetInstance(e.Current);
+
+			// messageImprint
+			e.MoveNext();
+			messageImprint = MessageImprint.GetInstance(e.Current);
+
+			// serialNumber
+			e.MoveNext();
+			serialNumber = DerInteger.GetInstance(e.Current);
+
+			// genTime
+			e.MoveNext();
+			genTime = DerGeneralizedTime.GetInstance(e.Current);
+
+			// default for ordering
+			ordering = DerBoolean.False;
+
+			while (e.MoveNext())
+			{
+				Asn1Object o = (Asn1Object) e.Current;
+
+				if (o is Asn1TaggedObject)
+				{
+					DerTaggedObject tagged = (DerTaggedObject) o;
+
+					switch (tagged.TagNo)
+					{
+						case 0:
+							tsa = GeneralName.GetInstance(tagged, true);
+							break;
+						case 1:
+							extensions = X509Extensions.GetInstance(tagged, false);
+							break;
+						default:
+							throw new ArgumentException("Unknown tag value " + tagged.TagNo);
+					}
+				}
+
+				if (o is DerSequence)
+				{
+					accuracy = Accuracy.GetInstance(o);
+				}
+
+				if (o is DerBoolean)
+				{
+					ordering = DerBoolean.GetInstance(o);
+				}
+
+				if (o is DerInteger)
+				{
+					nonce = DerInteger.GetInstance(o);
+				}
+			}
+		}
+
+		public TstInfo(
+			DerObjectIdentifier	tsaPolicyId,
+			MessageImprint		messageImprint,
+			DerInteger			serialNumber,
+			DerGeneralizedTime	genTime,
+			Accuracy			accuracy,
+			DerBoolean			ordering,
+			DerInteger			nonce,
+			GeneralName			tsa,
+			X509Extensions		extensions)
+		{
+			this.version = new DerInteger(1);
+			this.tsaPolicyId = tsaPolicyId;
+			this.messageImprint = messageImprint;
+			this.serialNumber = serialNumber;
+			this.genTime = genTime;
+			this.accuracy = accuracy;
+			this.ordering = ordering;
+			this.nonce = nonce;
+			this.tsa = tsa;
+			this.extensions = extensions;
+		}
+
+        public DerInteger Version
+        {
+            get { return version; }
+        }
+
+		public MessageImprint MessageImprint
+		{
+			get { return messageImprint; }
+		}
+
+		public DerObjectIdentifier Policy
+		{
+			get { return tsaPolicyId; }
+		}
+
+		public DerInteger SerialNumber
+		{
+			get { return serialNumber; }
+		}
+
+		public Accuracy Accuracy
+		{
+			get { return accuracy; }
+		}
+
+		public DerGeneralizedTime GenTime
+		{
+			get { return genTime; }
+		}
+
+		public DerBoolean Ordering
+		{
+			get { return ordering; }
+		}
+
+		public DerInteger Nonce
+		{
+			get { return nonce; }
+		}
+
+		public GeneralName Tsa
+		{
+			get { return tsa; }
+		}
+
+		public X509Extensions Extensions
+		{
+			get { return 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(
+				version, tsaPolicyId, messageImprint, serialNumber, genTime);
+
+			if (accuracy != null)
+			{
+				v.Add(accuracy);
+			}
+
+			if (ordering != null && ordering.IsTrue)
+			{
+				v.Add(ordering);
+			}
+
+			if (nonce != null)
+			{
+				v.Add(nonce);
+			}
+
+			if (tsa != null)
+			{
+				v.Add(new DerTaggedObject(true, 0, tsa));
+			}
+
+			if (extensions != null)
+			{
+				v.Add(new DerTaggedObject(false, 1, extensions));
+			}
+
+			return new DerSequence(v);
+		}
+	}
+}
diff --git a/crypto/src/asn1/tsp/TimeStampReq.cs b/crypto/src/asn1/tsp/TimeStampReq.cs
new file mode 100644
index 000000000..55e973e76
--- /dev/null
+++ b/crypto/src/asn1/tsp/TimeStampReq.cs
@@ -0,0 +1,164 @@
+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);
+		}
+	}
+}
diff --git a/crypto/src/asn1/tsp/TimeStampResp.cs b/crypto/src/asn1/tsp/TimeStampResp.cs
new file mode 100644
index 000000000..f26fb30bd
--- /dev/null
+++ b/crypto/src/asn1/tsp/TimeStampResp.cs
@@ -0,0 +1,80 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1.Cmp;
+using Org.BouncyCastle.Asn1.Cms;
+
+namespace Org.BouncyCastle.Asn1.Tsp
+{
+	public class TimeStampResp
+		: Asn1Encodable
+	{
+		private readonly PkiStatusInfo	pkiStatusInfo;
+		private readonly ContentInfo	timeStampToken;
+
+		public static TimeStampResp GetInstance(
+			object o)
+		{
+			if (o == null || o is TimeStampResp)
+			{
+				return (TimeStampResp) o;
+			}
+
+			if (o is Asn1Sequence)
+			{
+				return new TimeStampResp((Asn1Sequence) o);
+			}
+
+			throw new ArgumentException(
+				"Unknown object in 'TimeStampResp' factory: " + o.GetType().FullName);
+		}
+
+		private TimeStampResp(
+			Asn1Sequence seq)
+		{
+			this.pkiStatusInfo = PkiStatusInfo.GetInstance(seq[0]);
+
+			if (seq.Count > 1)
+			{
+				this.timeStampToken = ContentInfo.GetInstance(seq[1]);
+			}
+		}
+
+		public TimeStampResp(
+			PkiStatusInfo	pkiStatusInfo,
+			ContentInfo		timeStampToken)
+		{
+			this.pkiStatusInfo = pkiStatusInfo;
+			this.timeStampToken = timeStampToken;
+		}
+
+		public PkiStatusInfo Status
+		{
+			get { return pkiStatusInfo; }
+		}
+
+		public ContentInfo TimeStampToken
+		{
+			get { return timeStampToken; }
+		}
+
+		/**
+		 * <pre>
+		 * TimeStampResp ::= SEQUENCE  {
+		 *   status                  PkiStatusInfo,
+		 *   timeStampToken          TimeStampToken     OPTIONAL  }
+		 * </pre>
+		 */
+		public override Asn1Object ToAsn1Object()
+		{
+			Asn1EncodableVector v = new Asn1EncodableVector(pkiStatusInfo);
+
+			if (timeStampToken != null)
+			{
+				v.Add(timeStampToken);
+			}
+
+			return new DerSequence(v);
+		}
+	}
+}