Initial Commit

iTechSharp/srcbc/asn1/pkcs/PKCS12PBEParams.cs

@@ -0,0 +1,63 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+    public class Pkcs12PbeParams
+        : Asn1Encodable
+    {
+        private readonly DerInteger iterations;
+        private readonly Asn1OctetString iv;
+
+		public Pkcs12PbeParams(
+            byte[]	salt,
+            int		iterations)
+        {
+            this.iv = new DerOctetString(salt);
+            this.iterations = new DerInteger(iterations);
+        }
+
+		private Pkcs12PbeParams(
+            Asn1Sequence seq)
+        {
+			if (seq.Count != 2)
+				throw new ArgumentException("Wrong number of elements in sequence", "seq");
+
+			iv = Asn1OctetString.GetInstance(seq[0]);
+            iterations = DerInteger.GetInstance(seq[1]);
+        }
+
+		public static Pkcs12PbeParams GetInstance(
+            object obj)
+        {
+            if (obj is Pkcs12PbeParams)
+            {
+                return (Pkcs12PbeParams) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new Pkcs12PbeParams((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+		}
+
+		public BigInteger Iterations
+		{
+			get { return iterations.Value; }
+		}
+
+		public byte[] GetIV()
+        {
+            return iv.GetOctets();
+        }
+
+		public override Asn1Object ToAsn1Object()
+        {
+			return new DerSequence(iv, iterations);
+        }
+    }
+}