Initial Commit

iTechSharp/srcbc/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs

@@ -0,0 +1,99 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.CryptoPro
+{
+    public class Gost3410PublicKeyAlgParameters
+        : Asn1Encodable
+    {
+        private DerObjectIdentifier	publicKeyParamSet;
+        private DerObjectIdentifier	digestParamSet;
+        private DerObjectIdentifier	encryptionParamSet;
+
+		public static Gost3410PublicKeyAlgParameters GetInstance(
+            Asn1TaggedObject	obj,
+            bool				explicitly)
+        {
+            return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+        }
+
+		public static Gost3410PublicKeyAlgParameters GetInstance(
+            object obj)
+        {
+            if (obj == null || obj is Gost3410PublicKeyAlgParameters)
+            {
+                return (Gost3410PublicKeyAlgParameters) obj;
+            }
+
+			if (obj is Asn1Sequence)
+            {
+                return new Gost3410PublicKeyAlgParameters((Asn1Sequence) obj);
+            }
+
+			throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
+        }
+
+		public Gost3410PublicKeyAlgParameters(
+            DerObjectIdentifier	publicKeyParamSet,
+            DerObjectIdentifier	digestParamSet)
+			: this (publicKeyParamSet, digestParamSet, null)
+        {
+        }
+
+		public Gost3410PublicKeyAlgParameters(
+            DerObjectIdentifier  publicKeyParamSet,
+            DerObjectIdentifier  digestParamSet,
+            DerObjectIdentifier  encryptionParamSet)
+        {
+			if (publicKeyParamSet == null)
+				throw new ArgumentNullException("publicKeyParamSet");
+			if (digestParamSet == null)
+				throw new ArgumentNullException("digestParamSet");
+
+			this.publicKeyParamSet = publicKeyParamSet;
+            this.digestParamSet = digestParamSet;
+            this.encryptionParamSet = encryptionParamSet;
+        }
+
+		public Gost3410PublicKeyAlgParameters(
+            Asn1Sequence seq)
+        {
+            this.publicKeyParamSet = (DerObjectIdentifier) seq[0];
+            this.digestParamSet = (DerObjectIdentifier) seq[1];
+
+			if (seq.Count > 2)
+            {
+                this.encryptionParamSet = (DerObjectIdentifier) seq[2];
+            }
+        }
+
+		public DerObjectIdentifier PublicKeyParamSet
+		{
+			get { return publicKeyParamSet; }
+		}
+
+		public DerObjectIdentifier DigestParamSet
+		{
+			get { return digestParamSet; }
+		}
+
+		public DerObjectIdentifier EncryptionParamSet
+		{
+			get { return encryptionParamSet; }
+		}
+
+		public override Asn1Object ToAsn1Object()
+        {
+            Asn1EncodableVector v = new Asn1EncodableVector(
+				publicKeyParamSet, digestParamSet);
+
+			if (encryptionParamSet != null)
+            {
+                v.Add(encryptionParamSet);
+            }
+
+			return new DerSequence(v);
+        }
+    }
+}