init commit

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

@@ -0,0 +1,40 @@
+using System;
+
+namespace Org.BouncyCastle.Crypto.Parameters;
+
+public class KeyParameter : ICipherParameters
+{
+	private readonly byte[] key;
+
+	public KeyParameter(byte[] key)
+	{
+		if (key == null)
+		{
+			throw new ArgumentNullException("key");
+		}
+		this.key = (byte[])key.Clone();
+	}
+
+	public KeyParameter(byte[] key, int keyOff, int keyLen)
+	{
+		if (key == null)
+		{
+			throw new ArgumentNullException("key");
+		}
+		if (keyOff < 0 || keyOff > key.Length)
+		{
+			throw new ArgumentOutOfRangeException("keyOff");
+		}
+		if (keyLen < 0 || keyLen > key.Length - keyOff)
+		{
+			throw new ArgumentOutOfRangeException("keyLen");
+		}
+		this.key = new byte[keyLen];
+		Array.Copy(key, keyOff, this.key, 0, keyLen);
+	}
+
+	public byte[] GetKey()
+	{
+		return (byte[])key.Clone();
+	}
+}