1 files changed, 84 insertions, 0 deletions
diff --git a/Crypto/src/asn1/crmf/PopoPrivKey.cs b/Crypto/src/asn1/crmf/PopoPrivKey.cs
new file mode 100644
index 000000000..0cedc5127
--- /dev/null
+++ b/Crypto/src/asn1/crmf/PopoPrivKey.cs
@@ -0,0 +1,84 @@
+using System;
+
+using Org.BouncyCastle.Asn1.Cms;
+
+namespace Org.BouncyCastle.Asn1.Crmf
+{
+ public class PopoPrivKey
+ : Asn1Encodable, IAsn1Choice
+ {
+ public const int thisMessage = 0;
+ public const int subsequentMessage = 1;
+ public const int dhMAC = 2;
+ public const int agreeMAC = 3;
+ public const int encryptedKey = 4;
+
+ private readonly int tagNo;
+ private readonly Asn1Encodable obj;
+
+ private PopoPrivKey(Asn1TaggedObject obj)
+ {
+ this.tagNo = obj.TagNo;
+
+ switch (tagNo)
+ {
+ case thisMessage:
+ this.obj = DerBitString.GetInstance(obj, false);
+ break;
+ case subsequentMessage:
+ this.obj = SubsequentMessage.ValueOf(DerInteger.GetInstance(obj, false).Value.IntValue);
+ break;
+ case dhMAC:
+ this.obj = DerBitString.GetInstance(obj, false);
+ break;
+ case agreeMAC:
+ this.obj = PKMacValue.GetInstance(obj, false);
+ break;
+ case encryptedKey:
+ this.obj = EnvelopedData.GetInstance(obj, false);
+ break;
+ default:
+ throw new ArgumentException("unknown tag in PopoPrivKey", "obj");
+ }
+ }
+
+ public static PopoPrivKey GetInstance(Asn1TaggedObject tagged, bool isExplicit)
+ {
+ return new PopoPrivKey(Asn1TaggedObject.GetInstance(tagged.GetObject()));
+ }
+
+ public PopoPrivKey(SubsequentMessage msg)
+ {
+ this.tagNo = subsequentMessage;
+ this.obj = msg;
+ }
+
+ public virtual int Type
+ {
+ get { return tagNo; }
+ }
+
+ public virtual Asn1Encodable Value
+ {
+ get { return obj; }
+ }
+
+ /**
+ * <pre>
+ * PopoPrivKey ::= CHOICE {
+ * thisMessage [0] BIT STRING, -- Deprecated
+ * -- possession is proven in this message (which contains the private
+ * -- key itself (encrypted for the CA))
+ * subsequentMessage [1] SubsequentMessage,
+ * -- possession will be proven in a subsequent message
+ * dhMAC [2] BIT STRING, -- Deprecated
+ * agreeMAC [3] PKMACValue,
+ * encryptedKey [4] EnvelopedData }
+ * </pre>
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerTaggedObject(false, tagNo, obj);
+ }
+ }
+}
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