Initial import of old CVS repository

6 files changed, 337 insertions, 0 deletions

diff --git a/crypto/src/asn1/smime/SMIMEAttributes.cs b/crypto/src/asn1/smime/SMIMEAttributes.cs
new file mode 100644
index 000000000..e154e5e74
--- /dev/null
+++ b/crypto/src/asn1/smime/SMIMEAttributes.cs
@@ -0,0 +1,11 @@
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Pkcs;
+
+namespace Org.BouncyCastle.Asn1.Smime
+{
+    public abstract class SmimeAttributes
+    {
+        public static readonly DerObjectIdentifier SmimeCapabilities = PkcsObjectIdentifiers.Pkcs9AtSmimeCapabilities;
+        public static readonly DerObjectIdentifier EncrypKeyPref = PkcsObjectIdentifiers.IdAAEncrypKeyPref;
+    }
+}
diff --git a/crypto/src/asn1/smime/SMIMECapabilities.cs b/crypto/src/asn1/smime/SMIMECapabilities.cs
new file mode 100644
index 000000000..ca3c3af7d
--- /dev/null
+++ b/crypto/src/asn1/smime/SMIMECapabilities.cs
@@ -0,0 +1,128 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Asn1.X509;
+
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Smime
+{
+    /**
+     * Handler class for dealing with S/MIME Capabilities
+     */
+    public class SmimeCapabilities
+        : Asn1Encodable
+    {
+        /**
+         * general preferences
+         */
+        public static readonly DerObjectIdentifier PreferSignedData = PkcsObjectIdentifiers.PreferSignedData;
+        public static readonly DerObjectIdentifier CannotDecryptAny = PkcsObjectIdentifiers.CannotDecryptAny;
+        public static readonly DerObjectIdentifier SmimeCapabilitesVersions = PkcsObjectIdentifiers.SmimeCapabilitiesVersions;
+
+		/**
+         * encryption algorithms preferences
+         */
+        public static readonly DerObjectIdentifier DesCbc = new DerObjectIdentifier("1.3.14.3.2.7");
+        public static readonly DerObjectIdentifier DesEde3Cbc = PkcsObjectIdentifiers.DesEde3Cbc;
+        public static readonly DerObjectIdentifier RC2Cbc = PkcsObjectIdentifiers.RC2Cbc;
+
+		private Asn1Sequence capabilities;
+
+		/**
+         * return an Attr object from the given object.
+         *
+         * @param o the object we want converted.
+         * @exception ArgumentException if the object cannot be converted.
+         */
+        public static SmimeCapabilities GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is SmimeCapabilities)
+            {
+                return (SmimeCapabilities) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new SmimeCapabilities((Asn1Sequence) obj);
+            }
+
+			if (obj is AttributeX509)
+            {
+                return new SmimeCapabilities(
+                    (Asn1Sequence)(((AttributeX509) obj).AttrValues[0]));
+            }
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+        }
+
+		public SmimeCapabilities(
+            Asn1Sequence seq)
+        {
+            capabilities = seq;
+        }
+
+#if !SILVERLIGHT
+        [Obsolete("Use 'GetCapabilitiesForOid' instead")]
+        public ArrayList GetCapabilities(
+            DerObjectIdentifier capability)
+        {
+            ArrayList list = new ArrayList();
+            DoGetCapabilitiesForOid(capability, list);
+			return list;
+        }
+#endif
+
+        /**
+         * returns an ArrayList with 0 or more objects of all the capabilities
+         * matching the passed in capability Oid. If the Oid passed is null the
+         * entire set is returned.
+         */
+        public IList GetCapabilitiesForOid(
+            DerObjectIdentifier capability)
+        {
+            IList list = Platform.CreateArrayList();
+            DoGetCapabilitiesForOid(capability, list);
+			return list;
+        }
+
+        private void DoGetCapabilitiesForOid(DerObjectIdentifier capability, IList list)
+        {
+			if (capability == null)
+            {
+				foreach (object o in capabilities)
+				{
+                    SmimeCapability cap = SmimeCapability.GetInstance(o);
+
+					list.Add(cap);
+                }
+            }
+            else
+            {
+				foreach (object o in capabilities)
+				{
+                    SmimeCapability cap = SmimeCapability.GetInstance(o);
+
+					if (capability.Equals(cap.CapabilityID))
+                    {
+                        list.Add(cap);
+                    }
+                }
+            }
+        }
+
+        /**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * SMIMECapabilities ::= Sequence OF SMIMECapability
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            return capabilities;
+        }
+    }
+}
diff --git a/crypto/src/asn1/smime/SMIMECapabilitiesAttribute.cs b/crypto/src/asn1/smime/SMIMECapabilitiesAttribute.cs
new file mode 100644
index 000000000..310c478fe
--- /dev/null
+++ b/crypto/src/asn1/smime/SMIMECapabilitiesAttribute.cs
@@ -0,0 +1,16 @@
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Smime
+{
+    public class SmimeCapabilitiesAttribute
+        : AttributeX509
+    {
+        public SmimeCapabilitiesAttribute(
+            SmimeCapabilityVector capabilities)
+            : base(SmimeAttributes.SmimeCapabilities,
+                    new DerSet(new DerSequence(capabilities.ToAsn1EncodableVector())))
+        {
+        }
+    }
+}
diff --git a/crypto/src/asn1/smime/SMIMECapability.cs b/crypto/src/asn1/smime/SMIMECapability.cs
new file mode 100644
index 000000000..5709cb815
--- /dev/null
+++ b/crypto/src/asn1/smime/SMIMECapability.cs
@@ -0,0 +1,101 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Pkcs;
+
+namespace Org.BouncyCastle.Asn1.Smime
+{
+    public class SmimeCapability
+        : Asn1Encodable
+    {
+        /**
+         * general preferences
+         */
+        public static readonly DerObjectIdentifier PreferSignedData = PkcsObjectIdentifiers.PreferSignedData;
+        public static readonly DerObjectIdentifier CannotDecryptAny = PkcsObjectIdentifiers.CannotDecryptAny;
+        public static readonly DerObjectIdentifier SmimeCapabilitiesVersions = PkcsObjectIdentifiers.SmimeCapabilitiesVersions;
+
+		/**
+         * encryption algorithms preferences
+         */
+        public static readonly DerObjectIdentifier DesCbc = new DerObjectIdentifier("1.3.14.3.2.7");
+        public static readonly DerObjectIdentifier DesEde3Cbc = PkcsObjectIdentifiers.DesEde3Cbc;
+        public static readonly DerObjectIdentifier RC2Cbc = PkcsObjectIdentifiers.RC2Cbc;
+
+		private DerObjectIdentifier capabilityID;
+        private Asn1Object			parameters;
+
+		public SmimeCapability(
+            Asn1Sequence seq)
+        {
+            capabilityID = (DerObjectIdentifier) seq[0].ToAsn1Object();
+
+			if (seq.Count > 1)
+            {
+                parameters = seq[1].ToAsn1Object();
+            }
+        }
+
+		public SmimeCapability(
+            DerObjectIdentifier	capabilityID,
+            Asn1Encodable		parameters)
+        {
+			if (capabilityID == null)
+				throw new ArgumentNullException("capabilityID");
+
+			this.capabilityID = capabilityID;
+
+			if (parameters != null)
+			{
+				this.parameters = parameters.ToAsn1Object();
+			}
+        }
+
+		public static SmimeCapability GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is SmimeCapability)
+            {
+                return (SmimeCapability) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new SmimeCapability((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("Invalid SmimeCapability");
+        }
+
+		public DerObjectIdentifier CapabilityID
+		{
+			get { return capabilityID; }
+		}
+
+		public Asn1Object Parameters
+		{
+			get { return parameters; }
+		}
+
+		/**
+         * Produce an object suitable for an Asn1OutputStream.
+         * <pre>
+         * SMIMECapability ::= Sequence {
+         *     capabilityID OBJECT IDENTIFIER,
+         *     parameters ANY DEFINED BY capabilityID OPTIONAL
+         * }
+         * </pre>
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector(capabilityID);
+
+			if (parameters != null)
+            {
+                v.Add(parameters);
+            }
+
+			return new DerSequence(v);
+        }
+    }
+}
diff --git a/crypto/src/asn1/smime/SMIMECapabilityVector.cs b/crypto/src/asn1/smime/SMIMECapabilityVector.cs
new file mode 100644
index 000000000..842825b88
--- /dev/null
+++ b/crypto/src/asn1/smime/SMIMECapabilityVector.cs
@@ -0,0 +1,37 @@
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.Smime
+{
+    /**
+     * Handler for creating a vector S/MIME Capabilities
+     */
+    public class SmimeCapabilityVector
+    {
+        private readonly Asn1EncodableVector capabilities = new Asn1EncodableVector();
+
+		public void AddCapability(
+            DerObjectIdentifier capability)
+        {
+            capabilities.Add(new DerSequence(capability));
+        }
+
+		public void AddCapability(
+            DerObjectIdentifier capability,
+            int                 value)
+        {
+			capabilities.Add(new DerSequence(capability, new DerInteger(value)));
+        }
+
+		public void AddCapability(
+            DerObjectIdentifier capability,
+            Asn1Encodable		parameters)
+        {
+			capabilities.Add(new DerSequence(capability, parameters));
+        }
+
+		public Asn1EncodableVector ToAsn1EncodableVector()
+        {
+            return capabilities;
+        }
+    }
+}
diff --git a/crypto/src/asn1/smime/SMIMEEncryptionKeyPreferenceAttribute.cs b/crypto/src/asn1/smime/SMIMEEncryptionKeyPreferenceAttribute.cs
new file mode 100644
index 000000000..19c5fd78a
--- /dev/null
+++ b/crypto/src/asn1/smime/SMIMEEncryptionKeyPreferenceAttribute.cs
@@ -0,0 +1,44 @@
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.Cms;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Smime
+{
+    /**
+     * The SmimeEncryptionKeyPreference object.
+     * <pre>
+     * SmimeEncryptionKeyPreference ::= CHOICE {
+     *     issuerAndSerialNumber   [0] IssuerAndSerialNumber,
+     *     receipentKeyId          [1] RecipientKeyIdentifier,
+     *     subjectAltKeyIdentifier [2] SubjectKeyIdentifier
+     * }
+     * </pre>
+     */
+    public class SmimeEncryptionKeyPreferenceAttribute
+        : AttributeX509
+    {
+        public SmimeEncryptionKeyPreferenceAttribute(
+            IssuerAndSerialNumber issAndSer)
+            : base(SmimeAttributes.EncrypKeyPref,
+                new DerSet(new DerTaggedObject(false, 0, issAndSer)))
+        {
+        }
+
+        public SmimeEncryptionKeyPreferenceAttribute(
+            RecipientKeyIdentifier rKeyID)
+            : base(SmimeAttributes.EncrypKeyPref,
+                new DerSet(new DerTaggedObject(false, 1, rKeyID)))
+        {
+        }
+
+        /**
+         * @param sKeyId the subjectKeyIdentifier value (normally the X.509 one)
+         */
+        public SmimeEncryptionKeyPreferenceAttribute(
+            Asn1OctetString sKeyID)
+            : base(SmimeAttributes.EncrypKeyPref,
+                new DerSet(new DerTaggedObject(false, 2, sKeyID)))
+        {
+        }
+    }
+}