1 files changed, 60 insertions, 0 deletions
diff --git a/Crypto/src/asn1/pkcs/PBEParameter.cs b/Crypto/src/asn1/pkcs/PBEParameter.cs
new file mode 100644
index 000000000..80d5ec3e1
--- /dev/null
+++ b/Crypto/src/asn1/pkcs/PBEParameter.cs
@@ -0,0 +1,60 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+ public class PbeParameter
+ : Asn1Encodable
+ {
+ private readonly Asn1OctetString salt;
+ private readonly DerInteger iterationCount;
+
+ public static PbeParameter GetInstance(object obj)
+ {
+ if (obj is PbeParameter || obj == null)
+ {
+ return (PbeParameter) obj;
+ }
+
+ if (obj is Asn1Sequence)
+ {
+ return new PbeParameter((Asn1Sequence) obj);
+ }
+
+ throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+ }
+
+ private PbeParameter(Asn1Sequence seq)
+ {
+ if (seq.Count != 2)
+ throw new ArgumentException("Wrong number of elements in sequence", "seq");
+
+ salt = Asn1OctetString.GetInstance(seq[0]);
+ iterationCount = DerInteger.GetInstance(seq[1]);
+ }
+
+ public PbeParameter(byte[] salt, int iterationCount)
+ {
+ this.salt = new DerOctetString(salt);
+ this.iterationCount = new DerInteger(iterationCount);
+ }
+
+ public byte[] GetSalt()
+ {
+ return salt.GetOctets();
+ }
+
+ public BigInteger IterationCount
+ {
+ get { return iterationCount.Value; }
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(salt, iterationCount);
+ }
+ }
+}
|
