init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Utilities/Encoders/Base64.cs

@@ -0,0 +1,64 @@
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.Encoders;
+
+public sealed class Base64
+{
+	private Base64()
+	{
+	}
+
+	public static string ToBase64String(byte[] data)
+	{
+		return Convert.ToBase64String(data, 0, data.Length);
+	}
+
+	public static string ToBase64String(byte[] data, int off, int length)
+	{
+		return Convert.ToBase64String(data, off, length);
+	}
+
+	public static byte[] Encode(byte[] data)
+	{
+		return Encode(data, 0, data.Length);
+	}
+
+	public static byte[] Encode(byte[] data, int off, int length)
+	{
+		string s = Convert.ToBase64String(data, off, length);
+		return Strings.ToAsciiByteArray(s);
+	}
+
+	public static int Encode(byte[] data, Stream outStream)
+	{
+		byte[] array = Encode(data);
+		outStream.Write(array, 0, array.Length);
+		return array.Length;
+	}
+
+	public static int Encode(byte[] data, int off, int length, Stream outStream)
+	{
+		byte[] array = Encode(data, off, length);
+		outStream.Write(array, 0, array.Length);
+		return array.Length;
+	}
+
+	public static byte[] Decode(byte[] data)
+	{
+		string s = Strings.FromAsciiByteArray(data);
+		return Convert.FromBase64String(s);
+	}
+
+	public static byte[] Decode(string data)
+	{
+		return Convert.FromBase64String(data);
+	}
+
+	public static int Decode(string data, Stream outStream)
+	{
+		byte[] array = Decode(data);
+		outStream.Write(array, 0, array.Length);
+		return array.Length;
+	}
+}