init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Utilities/Encoders/UrlBase64.cs

@@ -0,0 +1,66 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.Encoders;
+
+public class UrlBase64
+{
+	private static readonly IEncoder encoder = new UrlBase64Encoder();
+
+	public static byte[] Encode(byte[] data)
+	{
+		MemoryStream memoryStream = new MemoryStream();
+		try
+		{
+			encoder.Encode(data, 0, data.Length, memoryStream);
+		}
+		catch (IOException ex)
+		{
+			throw new Exception("exception encoding URL safe base64 string: " + ex.Message, ex);
+		}
+		return memoryStream.ToArray();
+	}
+
+	public static int Encode(byte[] data, Stream outStr)
+	{
+		return encoder.Encode(data, 0, data.Length, outStr);
+	}
+
+	public static byte[] Decode(byte[] data)
+	{
+		MemoryStream memoryStream = new MemoryStream();
+		try
+		{
+			encoder.Decode(data, 0, data.Length, memoryStream);
+		}
+		catch (IOException ex)
+		{
+			throw new Exception("exception decoding URL safe base64 string: " + ex.Message, ex);
+		}
+		return memoryStream.ToArray();
+	}
+
+	public static int Decode(byte[] data, Stream outStr)
+	{
+		return encoder.Decode(data, 0, data.Length, outStr);
+	}
+
+	public static byte[] Decode(string data)
+	{
+		MemoryStream memoryStream = new MemoryStream();
+		try
+		{
+			encoder.DecodeString(data, memoryStream);
+		}
+		catch (IOException ex)
+		{
+			throw new Exception("exception decoding URL safe base64 string: " + ex.Message, ex);
+		}
+		return memoryStream.ToArray();
+	}
+
+	public static int Decode(string data, Stream outStr)
+	{
+		return encoder.DecodeString(data, outStr);
+	}
+}