1 files changed, 64 insertions, 0 deletions
diff --git a/crypto/src/pkcs/Pkcs12Entry.cs b/crypto/src/pkcs/Pkcs12Entry.cs
new file mode 100644
index 000000000..5dcc94e88
--- /dev/null
+++ b/crypto/src/pkcs/Pkcs12Entry.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities.Collections;
+
+namespace Org.BouncyCastle.Pkcs
+{
+    public abstract class Pkcs12Entry
+    {
+        private readonly IDictionary attributes;
+
+		protected internal Pkcs12Entry(
+            IDictionary attributes)
+        {
+            this.attributes = attributes;
+
+			foreach (DictionaryEntry entry in attributes)
+			{
+				if (!(entry.Key is string))
+					throw new ArgumentException("Attribute keys must be of type: " + typeof(string).FullName, "attributes");
+				if (!(entry.Value is Asn1Encodable))
+					throw new ArgumentException("Attribute values must be of type: " + typeof(Asn1Encodable).FullName, "attributes");
+			}
+        }
+
+		[Obsolete("Use 'object[index]' syntax instead")]
+		public Asn1Encodable GetBagAttribute(
+            DerObjectIdentifier oid)
+        {
+            return (Asn1Encodable)this.attributes[oid.Id];
+        }
+
+		[Obsolete("Use 'object[index]' syntax instead")]
+		public Asn1Encodable GetBagAttribute(
+            string oid)
+        {
+            return (Asn1Encodable)this.attributes[oid];
+        }
+
+		[Obsolete("Use 'BagAttributeKeys' property")]
+        public IEnumerator GetBagAttributeKeys()
+        {
+            return this.attributes.Keys.GetEnumerator();
+        }
+
+		public Asn1Encodable this[
+			DerObjectIdentifier oid]
+		{
+			get { return (Asn1Encodable) this.attributes[oid.Id]; }
+		}
+
+		public Asn1Encodable this[
+			string oid]
+		{
+			get { return (Asn1Encodable) this.attributes[oid]; }
+		}
+
+		public IEnumerable BagAttributeKeys
+		{
+			get { return new EnumerableProxy(this.attributes.Keys); }
+		}
+    }
+}