1 files changed, 65 insertions, 0 deletions
diff --git a/Crypto/src/asn1/pkcs/Pfx.cs b/Crypto/src/asn1/pkcs/Pfx.cs
new file mode 100644
index 000000000..9676f64fc
--- /dev/null
+++ b/Crypto/src/asn1/pkcs/Pfx.cs
@@ -0,0 +1,65 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+    /**
+     * the infamous Pfx from Pkcs12
+     */
+    public class Pfx
+        : Asn1Encodable
+    {
+        private ContentInfo	contentInfo;
+        private MacData		macData;
+
+		public Pfx(
+            Asn1Sequence seq)
+        {
+            BigInteger version = ((DerInteger) seq[0]).Value;
+            if (version.IntValue != 3)
+            {
+                throw new ArgumentException("wrong version for PFX PDU");
+            }
+
+			contentInfo = ContentInfo.GetInstance(seq[1]);
+
+			if (seq.Count == 3)
+            {
+                macData = MacData.GetInstance(seq[2]);
+            }
+        }
+
+		public Pfx(
+            ContentInfo	contentInfo,
+            MacData		macData)
+        {
+            this.contentInfo = contentInfo;
+            this.macData = macData;
+        }
+
+		public ContentInfo AuthSafe
+		{
+			get { return contentInfo; }
+		}
+
+		public MacData MacData
+		{
+			get { return macData; }
+		}
+
+		public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector(
+				new DerInteger(3), contentInfo);
+
+			if (macData != null)
+            {
+                v.Add(macData);
+            }
+
+			return new BerSequence(v);
+        }
+    }
+}