Initial Commit

iTechSharp/srcbc/openpgp/PgpSignatureSubpacketGenerator.cs

@@ -0,0 +1,141 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Bcpg.Sig;
+
+namespace Org.BouncyCastle.Bcpg.OpenPgp
+{
+	/// <remarks>Generator for signature subpackets.</remarks>
+    public class PgpSignatureSubpacketGenerator
+    {
+        private ArrayList list = new ArrayList();
+
+		public void SetRevocable(
+            bool	isCritical,
+            bool	isRevocable)
+        {
+            list.Add(new Revocable(isCritical, isRevocable));
+        }
+
+		public void SetExportable(
+            bool	isCritical,
+            bool	isExportable)
+        {
+            list.Add(new Exportable(isCritical, isExportable));
+        }
+
+		/// <summary>
+		/// Add a TrustSignature packet to the signature. The values for depth and trust are largely
+		/// installation dependent but there are some guidelines in RFC 4880 - 5.2.3.13.
+		/// </summary>
+		/// <param name="isCritical">true if the packet is critical.</param>
+		/// <param name="depth">depth level.</param>
+		/// <param name="trustAmount">trust amount.</param>
+		public void SetTrust(
+            bool	isCritical,
+            int		depth,
+            int		trustAmount)
+        {
+            list.Add(new TrustSignature(isCritical, depth, trustAmount));
+        }
+
+		/// <summary>
+		/// Set the number of seconds a key is valid for after the time of its creation.
+		/// A value of zero means the key never expires.
+		/// </summary>
+		/// <param name="isCritical">True, if should be treated as critical, false otherwise.</param>
+		/// <param name="seconds">The number of seconds the key is valid, or zero if no expiry.</param>
+        public void SetKeyExpirationTime(
+            bool	isCritical,
+            long	seconds)
+        {
+            list.Add(new KeyExpirationTime(isCritical, seconds));
+        }
+
+		/// <summary>
+		/// Set the number of seconds a signature is valid for after the time of its creation.
+		/// A value of zero means the signature never expires.
+		/// </summary>
+		/// <param name="isCritical">True, if should be treated as critical, false otherwise.</param>
+		/// <param name="seconds">The number of seconds the signature is valid, or zero if no expiry.</param>
+        public void SetSignatureExpirationTime(
+            bool	isCritical,
+            long	seconds)
+        {
+            list.Add(new SignatureExpirationTime(isCritical, seconds));
+        }
+
+		/// <summary>
+		/// Set the creation time for the signature.
+		/// <p>
+		/// Note: this overrides the generation of a creation time when the signature
+		/// is generated.</p>
+		/// </summary>
+		public void SetSignatureCreationTime(
+			bool		isCritical,
+			DateTime	date)
+		{
+			list.Add(new SignatureCreationTime(isCritical, date));
+		}
+
+		public void SetPreferredHashAlgorithms(
+            bool	isCritical,
+            int[]	algorithms)
+        {
+            list.Add(new PreferredAlgorithms(SignatureSubpacketTag.PreferredHashAlgorithms, isCritical, algorithms));
+        }
+
+		public void SetPreferredSymmetricAlgorithms(
+            bool	isCritical,
+            int[]	algorithms)
+        {
+            list.Add(new PreferredAlgorithms(SignatureSubpacketTag.PreferredSymmetricAlgorithms, isCritical, algorithms));
+        }
+
+		public void SetPreferredCompressionAlgorithms(
+            bool	isCritical,
+            int[]	algorithms)
+        {
+            list.Add(new PreferredAlgorithms(SignatureSubpacketTag.PreferredCompressionAlgorithms, isCritical, algorithms));
+        }
+
+		public void SetKeyFlags(
+            bool	isCritical,
+            int		flags)
+        {
+            list.Add(new KeyFlags(isCritical, flags));
+        }
+
+		public void SetSignerUserId(
+            bool	isCritical,
+            string	userId)
+        {
+            if (userId == null)
+                throw new ArgumentNullException("userId");
+
+			list.Add(new SignerUserId(isCritical, userId));
+        }
+
+		public void SetPrimaryUserId(
+            bool	isCritical,
+            bool	isPrimaryUserId)
+        {
+            list.Add(new PrimaryUserId(isCritical, isPrimaryUserId));
+        }
+
+		public void SetNotationData(
+			bool	isCritical,
+			bool	isHumanReadable,
+			string	notationName,
+			string	notationValue)
+		{
+			list.Add(new NotationData(isCritical, isHumanReadable, notationName, notationValue));
+		}
+
+		public PgpSignatureSubpacketVector Generate()
+        {
+			return new PgpSignatureSubpacketVector(
+				(SignatureSubpacket[]) list.ToArray(typeof(SignatureSubpacket)));
+        }
+    }
+}