1 files changed, 81 insertions, 0 deletions
diff --git a/Crypto/src/asn1/pkcs/RC2CBCParameter.cs b/Crypto/src/asn1/pkcs/RC2CBCParameter.cs
new file mode 100644
index 000000000..f5355d012
--- /dev/null
+++ b/Crypto/src/asn1/pkcs/RC2CBCParameter.cs
@@ -0,0 +1,81 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.Pkcs
+{
+ public class RC2CbcParameter
+ : Asn1Encodable
+ {
+ internal DerInteger version;
+ internal Asn1OctetString iv;
+
+ public static RC2CbcParameter GetInstance(
+ object obj)
+ {
+ if (obj is Asn1Sequence)
+ {
+ return new RC2CbcParameter((Asn1Sequence) obj);
+ }
+
+ throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+ }
+
+ public RC2CbcParameter(
+ byte[] iv)
+ {
+ this.iv = new DerOctetString(iv);
+ }
+
+ public RC2CbcParameter(
+ int parameterVersion,
+ byte[] iv)
+ {
+ this.version = new DerInteger(parameterVersion);
+ this.iv = new DerOctetString(iv);
+ }
+
+ private RC2CbcParameter(
+ Asn1Sequence seq)
+ {
+ if (seq.Count == 1)
+ {
+ iv = (Asn1OctetString)seq[0];
+ }
+ else
+ {
+ version = (DerInteger)seq[0];
+ iv = (Asn1OctetString)seq[1];
+ }
+ }
+
+ public BigInteger RC2ParameterVersion
+ {
+ get
+ {
+ return version == null ? null : version.Value;
+ }
+ }
+
+ public byte[] GetIV()
+ {
+ return Arrays.Clone(iv.GetOctets());
+ }
+
+ public override Asn1Object ToAsn1Object()
+ {
+ Asn1EncodableVector v = new Asn1EncodableVector();
+
+ if (version != null)
+ {
+ v.Add(version);
+ }
+
+ v.Add(iv);
+
+ return new DerSequence(v);
+ }
+ }
+}
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