init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Asn1/CryptoPro/Gost28147Parameters.cs

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+using System;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.CryptoPro;
+
+public class Gost28147Parameters : Asn1Encodable
+{
+	private readonly Asn1OctetString iv;
+
+	private readonly DerObjectIdentifier paramSet;
+
+	public static Gost28147Parameters GetInstance(Asn1TaggedObject obj, bool explicitly)
+	{
+		return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
+	}
+
+	public static Gost28147Parameters GetInstance(object obj)
+	{
+		if (obj == null || obj is Gost28147Parameters)
+		{
+			return (Gost28147Parameters)obj;
+		}
+		if (obj is Asn1Sequence)
+		{
+			return new Gost28147Parameters((Asn1Sequence)obj);
+		}
+		throw new ArgumentException("Invalid GOST3410Parameter: " + Platform.GetTypeName(obj));
+	}
+
+	private Gost28147Parameters(Asn1Sequence seq)
+	{
+		if (seq.Count != 2)
+		{
+			throw new ArgumentException("Wrong number of elements in sequence", "seq");
+		}
+		iv = Asn1OctetString.GetInstance(seq[0]);
+		paramSet = DerObjectIdentifier.GetInstance(seq[1]);
+	}
+
+	public override Asn1Object ToAsn1Object()
+	{
+		return new DerSequence(iv, paramSet);
+	}
+}