Initial Commit

2023-06-21 12:46:23 -04:00
commit c70248a520
1352 changed files with 336780 additions and 0 deletions
--- a/iTechSharp/srcbc/util/encoders/Base64.cs
+++ b/iTechSharp/srcbc/util/encoders/Base64.cs
@@ -0,0 +1,115 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace Org.BouncyCastle.Utilities.Encoders
+{
+	public sealed class Base64
+	{
+//		private static readonly IEncoder encoder = new Base64Encoder();
+
+		private Base64()
+		{
+		}
+
+		/**
+		 * encode the input data producing a base 64 encoded byte array.
+		 *
+		 * @return a byte array containing the base 64 encoded data.
+		 */
+		public static byte[] Encode(
+			byte[] data)
+		{
+			string s = Convert.ToBase64String(data, 0, data.Length);
+			return Encoding.ASCII.GetBytes(s);
+
+//			MemoryStream bOut = new MemoryStream();
+//			encoder.Encode(data, 0, data.Length, bOut);
+//			return bOut.ToArray();
+		}
+
+		/**
+		 * Encode the byte data to base 64 writing it to the given output stream.
+		 *
+		 * @return the number of bytes produced.
+		 */
+		public static int Encode(
+			byte[]	data,
+			Stream	outStream)
+		{
+			string s = Convert.ToBase64String(data, 0, data.Length);
+			byte[] encoded = Encoding.ASCII.GetBytes(s);
+			outStream.Write(encoded, 0, encoded.Length);
+			return encoded.Length;
+
+//			return encoder.Encode(data, 0, data.Length, outStream);
+		}
+
+		/**
+		 * Encode the byte data to base 64 writing it to the given output stream.
+		 *
+		 * @return the number of bytes produced.
+		 */
+		public static int Encode(
+			byte[]	data,
+			int		off,
+			int		length,
+			Stream	outStream)
+		{
+			string s = Convert.ToBase64String(data, off, length);
+			byte[] encoded = Encoding.ASCII.GetBytes(s);
+			outStream.Write(encoded, 0, encoded.Length);
+			return encoded.Length;
+
+//			return encoder.Encode(data, off, length, outStream);
+		}
+
+		/**
+		 * decode the base 64 encoded input data. It is assumed the input data is valid.
+		 *
+		 * @return a byte array representing the decoded data.
+		 */
+		public static byte[] Decode(
+			byte[] data)
+		{
+			string s = Encoding.ASCII.GetString(data, 0, data.Length);
+			return Convert.FromBase64String(s);
+
+//			MemoryStream bOut = new MemoryStream();
+//			encoder.Decode(data, 0, data.Length, bOut);
+//			return bOut.ToArray();
+		}
+
+		/**
+		 * decode the base 64 encoded string data - whitespace will be ignored.
+		 *
+		 * @return a byte array representing the decoded data.
+		 */
+		public static byte[] Decode(
+			string data)
+		{
+			return Convert.FromBase64String(data);
+
+//			MemoryStream bOut = new MemoryStream();
+//			encoder.DecodeString(data, bOut);
+//			return bOut.ToArray();
+		}
+
+		/**
+		 * decode the base 64 encoded string data writing it to the given output stream,
+		 * whitespace characters will be ignored.
+		 *
+		 * @return the number of bytes produced.
+		 */
+		public static int Decode(
+			string	data,
+			Stream	outStream)
+		{
+			byte[] decoded = Decode(data);
+			outStream.Write(decoded, 0, decoded.Length);
+			return decoded.Length;
+
+//			return encoder.DecodeString(data, outStream);
+		}
+	}
+}