init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Parameters/ParametersWithIV.cs

@@ -0,0 +1,33 @@
+using System;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Crypto.Parameters;
+
+public class ParametersWithIV : ICipherParameters
+{
+	private readonly ICipherParameters parameters;
+
+	private readonly byte[] iv;
+
+	public ICipherParameters Parameters => parameters;
+
+	public ParametersWithIV(ICipherParameters parameters, byte[] iv)
+		: this(parameters, iv, 0, iv.Length)
+	{
+	}
+
+	public ParametersWithIV(ICipherParameters parameters, byte[] iv, int ivOff, int ivLen)
+	{
+		if (iv == null)
+		{
+			throw new ArgumentNullException("iv");
+		}
+		this.parameters = parameters;
+		this.iv = Arrays.CopyOfRange(iv, ivOff, ivOff + ivLen);
+	}
+
+	public byte[] GetIV()
+	{
+		return (byte[])iv.Clone();
+	}
+}