Merge in bc-git to this repo

1 files changed, 103 insertions, 0 deletions

diff --git a/crypto/src/asn1/crmf/EncKeyWithID.cs b/crypto/src/asn1/crmf/EncKeyWithID.cs
new file mode 100644
index 000000000..6de56fa0b
--- /dev/null
+++ b/crypto/src/asn1/crmf/EncKeyWithID.cs
@@ -0,0 +1,103 @@
+using System;
+
+using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Crmf
+{
+    public class EncKeyWithID
+        : Asn1Encodable
+    {
+        private readonly PrivateKeyInfo privKeyInfo;
+        private readonly Asn1Encodable identifier;
+
+        public static EncKeyWithID GetInstance(object obj)
+        {
+            if (obj is EncKeyWithID)
+                return (EncKeyWithID)obj;
+
+            if (obj != null)
+                return new EncKeyWithID(Asn1Sequence.GetInstance(obj));
+
+            return null;
+        }
+
+        private EncKeyWithID(Asn1Sequence seq)
+        {
+            this.privKeyInfo = PrivateKeyInfo.GetInstance(seq[0]);
+
+            if (seq.Count > 1)
+            {
+                if (!(seq[1] is DerUtf8String))
+                {
+                    this.identifier = GeneralName.GetInstance(seq[1]);
+                }
+                else
+                {
+                    this.identifier = (Asn1Encodable)seq[1];
+                }
+            }
+            else
+            {
+                this.identifier = null;
+            }
+        }
+
+        public EncKeyWithID(PrivateKeyInfo privKeyInfo)
+        {
+            this.privKeyInfo = privKeyInfo;
+            this.identifier = null;
+        }
+
+        public EncKeyWithID(PrivateKeyInfo privKeyInfo, DerUtf8String str)
+        {
+            this.privKeyInfo = privKeyInfo;
+            this.identifier = str;
+        }
+
+        public EncKeyWithID(PrivateKeyInfo privKeyInfo, GeneralName generalName)
+        {
+            this.privKeyInfo = privKeyInfo;
+            this.identifier = generalName;
+        }
+
+        public virtual PrivateKeyInfo PrivateKey
+        {
+            get { return privKeyInfo; }
+        }
+
+        public virtual bool HasIdentifier
+        {
+            get { return identifier != null; }
+        }
+
+        public virtual bool IsIdentifierUtf8String
+        {
+            get { return identifier is DerUtf8String; }
+        }
+
+        public virtual Asn1Encodable Identifier
+        {
+            get { return identifier; }
+        }
+
+        /**
+         * <pre>
+         * EncKeyWithID ::= SEQUENCE {
+         *      privateKey           PrivateKeyInfo,
+         *      identifier CHOICE {
+         *         string               UTF8String,
+         *         generalName          GeneralName
+         *     } OPTIONAL
+         * }
+         * </pre>
+         * @return
+         */
+        public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector(privKeyInfo);
+            v.AddOptional(identifier);
+            return new DerSequence(v);
+        }
+    }
+}