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Assets/BestHTTP/SecureProtocol/util/encoders/Base64.cs

@@ -0,0 +1,124 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+using System.IO;
+using System.Text;
+
+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);
+        }
+
+        /**
+         * 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)
+        {
+            return Encode(data, 0, data.Length);
+        }
+
+        /**
+         * 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,
+            int off,
+            int length)
+        {
+            string s = Convert.ToBase64String(data, off, length);
+            return Strings.ToAsciiByteArray(s);
+        }
+
+        /**
+         * 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)
+        {
+            byte[] encoded = Encode(data);
+            outStream.Write(encoded, 0, encoded.Length);
+            return encoded.Length;
+        }
+
+        /**
+         * 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)
+        {
+            byte[] encoded = Encode(data, off, length);
+            outStream.Write(encoded, 0, encoded.Length);
+            return encoded.Length;
+        }
+
+        /**
+         * 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 = Strings.FromAsciiByteArray(data);
+            return Convert.FromBase64String(s);
+        }
+
+        /**
+         * 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);
+        }
+
+        /**
+         * 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;
+        }
+    }
+}
+
+#endif

Assets/BestHTTP/SecureProtocol/util/encoders/Base64.cs.meta

@@ -0,0 +1,11 @@
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+guid: 7dc383dffa74e43f58286da16ef95e4d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/BestHTTP/SecureProtocol/util/encoders/Base64Encoder.cs

@@ -0,0 +1,328 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.Encoders
+{
+    public class Base64Encoder
+        : IEncoder
+    {
+        protected readonly byte[] encodingTable =
+        {
+            (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
+            (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
+            (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U',
+            (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
+            (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
+            (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
+            (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u',
+            (byte)'v',
+            (byte)'w', (byte)'x', (byte)'y', (byte)'z',
+            (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', (byte)'6',
+            (byte)'7', (byte)'8', (byte)'9',
+            (byte)'+', (byte)'/'
+        };
+
+        protected byte padding = (byte)'=';
+
+        /*
+        * set up the decoding table.
+        */
+        protected readonly byte[] decodingTable = new byte[128];
+
+        protected void InitialiseDecodingTable()
+        {
+            Arrays.Fill(decodingTable, (byte)0xff);
+
+            for (int i = 0; i < encodingTable.Length; i++)
+            {
+                decodingTable[encodingTable[i]] = (byte)i;
+            }
+        }
+
+        public Base64Encoder()
+        {
+            InitialiseDecodingTable();
+        }
+
+        /**
+        * encode the input data producing a base 64 output stream.
+        *
+        * @return the number of bytes produced.
+        */
+        public int Encode(
+            byte[]	data,
+            int		off,
+            int		length,
+            Stream	outStream)
+        {
+            int modulus = length % 3;
+            int dataLength = (length - modulus);
+            int a1, a2, a3;
+
+            for (int i = off; i < off + dataLength; i += 3)
+            {
+                a1 = data[i] & 0xff;
+                a2 = data[i + 1] & 0xff;
+                a3 = data[i + 2] & 0xff;
+
+                outStream.WriteByte(encodingTable[(int) ((uint) a1 >> 2) & 0x3f]);
+                outStream.WriteByte(encodingTable[((a1 << 4) | (int) ((uint) a2 >> 4)) & 0x3f]);
+                outStream.WriteByte(encodingTable[((a2 << 2) | (int) ((uint) a3 >> 6)) & 0x3f]);
+                outStream.WriteByte(encodingTable[a3 & 0x3f]);
+            }
+
+            /*
+            * process the tail end.
+            */
+            int b1, b2, b3;
+            int d1, d2;
+
+            switch (modulus)
+            {
+                case 0:        /* nothing left to do */
+                    break;
+                case 1:
+                    d1 = data[off + dataLength] & 0xff;
+                    b1 = (d1 >> 2) & 0x3f;
+                    b2 = (d1 << 4) & 0x3f;
+
+                    outStream.WriteByte(encodingTable[b1]);
+                    outStream.WriteByte(encodingTable[b2]);
+                    outStream.WriteByte(padding);
+                    outStream.WriteByte(padding);
+                    break;
+                case 2:
+                    d1 = data[off + dataLength] & 0xff;
+                    d2 = data[off + dataLength + 1] & 0xff;
+
+                    b1 = (d1 >> 2) & 0x3f;
+                    b2 = ((d1 << 4) | (d2 >> 4)) & 0x3f;
+                    b3 = (d2 << 2) & 0x3f;
+
+                    outStream.WriteByte(encodingTable[b1]);
+                    outStream.WriteByte(encodingTable[b2]);
+                    outStream.WriteByte(encodingTable[b3]);
+                    outStream.WriteByte(padding);
+                    break;
+            }
+
+            return (dataLength / 3) * 4 + ((modulus == 0) ? 0 : 4);
+        }
+
+        private bool ignore(
+            char c)
+        {
+            return (c == '\n' || c =='\r' || c == '\t' || c == ' ');
+        }
+
+        /**
+        * decode the base 64 encoded byte data writing it to the given output stream,
+        * whitespace characters will be ignored.
+        *
+        * @return the number of bytes produced.
+        */
+        public int Decode(
+            byte[]	data,
+            int		off,
+            int		length,
+            Stream	outStream)
+        {
+            byte b1, b2, b3, b4;
+            int outLen = 0;
+
+            int end = off + length;
+
+            while (end > off)
+            {
+                if (!ignore((char)data[end - 1]))
+                {
+                    break;
+                }
+
+                end--;
+            }
+
+            int  i = off;
+            int  finish = end - 4;
+
+            i = nextI(data, i, finish);
+
+            while (i < finish)
+            {
+                b1 = decodingTable[data[i++]];
+
+                i = nextI(data, i, finish);
+
+                b2 = decodingTable[data[i++]];
+
+                i = nextI(data, i, finish);
+
+                b3 = decodingTable[data[i++]];
+
+                i = nextI(data, i, finish);
+
+                b4 = decodingTable[data[i++]];
+
+                if ((b1 | b2 | b3 | b4) >= 0x80)
+                    throw new IOException("invalid characters encountered in base64 data");
+
+                outStream.WriteByte((byte)((b1 << 2) | (b2 >> 4)));
+                outStream.WriteByte((byte)((b2 << 4) | (b3 >> 2)));
+                outStream.WriteByte((byte)((b3 << 6) | b4));
+
+                outLen += 3;
+
+                i = nextI(data, i, finish);
+            }
+
+            outLen += decodeLastBlock(outStream, (char)data[end - 4], (char)data[end - 3], (char)data[end - 2], (char)data[end - 1]);
+
+            return outLen;
+        }
+
+        private int nextI(
+            byte[]	data,
+            int		i,
+            int		finish)
+        {
+            while ((i < finish) && ignore((char)data[i]))
+            {
+                i++;
+            }
+            return i;
+        }
+
+        /**
+        * 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 int DecodeString(
+            string	data,
+            Stream	outStream)
+        {
+            // Platform Implementation
+//			byte[] bytes = Convert.FromBase64String(data);
+//			outStream.Write(bytes, 0, bytes.Length);
+//			return bytes.Length;
+
+            byte b1, b2, b3, b4;
+            int length = 0;
+
+            int end = data.Length;
+
+            while (end > 0)
+            {
+                if (!ignore(data[end - 1]))
+                {
+                    break;
+                }
+
+                end--;
+            }
+
+            int  i = 0;
+            int  finish = end - 4;
+
+            i = nextI(data, i, finish);
+
+            while (i < finish)
+            {
+                b1 = decodingTable[data[i++]];
+
+                i = nextI(data, i, finish);
+
+                b2 = decodingTable[data[i++]];
+
+                i = nextI(data, i, finish);
+
+                b3 = decodingTable[data[i++]];
+
+                i = nextI(data, i, finish);
+
+                b4 = decodingTable[data[i++]];
+
+                if ((b1 | b2 | b3 | b4) >= 0x80)
+                    throw new IOException("invalid characters encountered in base64 data");
+
+                outStream.WriteByte((byte)((b1 << 2) | (b2 >> 4)));
+                outStream.WriteByte((byte)((b2 << 4) | (b3 >> 2)));
+                outStream.WriteByte((byte)((b3 << 6) | b4));
+
+                length += 3;
+
+                i = nextI(data, i, finish);
+            }
+
+            length += decodeLastBlock(outStream, data[end - 4], data[end - 3], data[end - 2], data[end - 1]);
+
+            return length;
+        }
+
+        private int decodeLastBlock(
+            Stream	outStream,
+            char	c1,
+            char	c2,
+            char	c3,
+            char	c4)
+        {
+            if (c3 == padding)
+            {
+                byte b1 = decodingTable[c1];
+                byte b2 = decodingTable[c2];
+
+                if ((b1 | b2) >= 0x80)
+                    throw new IOException("invalid characters encountered at end of base64 data");
+
+                outStream.WriteByte((byte)((b1 << 2) | (b2 >> 4)));
+
+                return 1;
+            }
+
+            if (c4 == padding)
+            {
+                byte b1 = decodingTable[c1];
+                byte b2 = decodingTable[c2];
+                byte b3 = decodingTable[c3];
+
+                if ((b1 | b2 | b3) >= 0x80)
+                    throw new IOException("invalid characters encountered at end of base64 data");
+
+                outStream.WriteByte((byte)((b1 << 2) | (b2 >> 4)));
+                outStream.WriteByte((byte)((b2 << 4) | (b3 >> 2)));
+
+                return 2;
+            }
+
+            {
+                byte b1 = decodingTable[c1];
+                byte b2 = decodingTable[c2];
+                byte b3 = decodingTable[c3];
+                byte b4 = decodingTable[c4];
+
+                if ((b1 | b2 | b3 | b4) >= 0x80)
+                    throw new IOException("invalid characters encountered at end of base64 data");
+
+                outStream.WriteByte((byte)((b1 << 2) | (b2 >> 4)));
+                outStream.WriteByte((byte)((b2 << 4) | (b3 >> 2)));
+                outStream.WriteByte((byte)((b3 << 6) | b4));
+
+                return 3;
+            }
+        }
+
+        private int nextI(string data, int i, int finish)
+        {
+            while ((i < finish) && ignore(data[i]))
+            {
+                i++;
+            }
+            return i;
+        }
+    }
+}
+
+#endif

Assets/BestHTTP/SecureProtocol/util/encoders/Base64Encoder.cs.meta

@@ -0,0 +1,11 @@
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+guid: f9125a93659db45698240db133b70165
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Assets/BestHTTP/SecureProtocol/util/encoders/Hex.cs

@@ -0,0 +1,134 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+using System.IO;
+using System.Text;
+
+namespace Org.BouncyCastle.Utilities.Encoders
+{
+    /// <summary>
+    /// Class to decode and encode Hex.
+    /// </summary>
+    public sealed class Hex
+    {
+        private static readonly IEncoder encoder = new HexEncoder();
+
+        private Hex()
+        {
+        }
+
+        public static string ToHexString(
+            byte[] data)
+        {
+            return ToHexString(data, 0, data.Length);
+        }
+
+        public static string ToHexString(
+            byte[]	data,
+            int		off,
+            int		length)
+        {
+            byte[] hex = Encode(data, off, length);
+            return Strings.FromAsciiByteArray(hex);
+        }
+
+        /**
+         * encode the input data producing a Hex encoded byte array.
+         *
+         * @return a byte array containing the Hex encoded data.
+         */
+        public static byte[] Encode(
+            byte[] data)
+        {
+            return Encode(data, 0, data.Length);
+        }
+
+        /**
+         * encode the input data producing a Hex encoded byte array.
+         *
+         * @return a byte array containing the Hex encoded data.
+         */
+        public static byte[] Encode(
+            byte[]	data,
+            int		off,
+            int		length)
+        {
+            MemoryStream bOut = new MemoryStream(length * 2);
+
+            encoder.Encode(data, off, length, bOut);
+
+            return bOut.ToArray();
+        }
+
+        /**
+         * Hex encode the byte data writing it to the given output stream.
+         *
+         * @return the number of bytes produced.
+         */
+        public static int Encode(
+            byte[]	data,
+            Stream	outStream)
+        {
+            return encoder.Encode(data, 0, data.Length, outStream);
+        }
+
+        /**
+         * Hex encode the byte data 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)
+        {
+            return encoder.Encode(data, off, length, outStream);
+        }
+
+        /**
+         * decode the Hex 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)
+        {
+            MemoryStream bOut = new MemoryStream((data.Length + 1) / 2);
+
+            encoder.Decode(data, 0, data.Length, bOut);
+
+            return bOut.ToArray();
+        }
+
+        /**
+         * decode the Hex encoded string data - whitespace will be ignored.
+         *
+         * @return a byte array representing the decoded data.
+         */
+        public static byte[] Decode(
+            string data)
+        {
+            MemoryStream bOut = new MemoryStream((data.Length + 1) / 2);
+
+            encoder.DecodeString(data, bOut);
+
+            return bOut.ToArray();
+        }
+
+        /**
+         * decode the Hex 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)
+        {
+            return encoder.DecodeString(data, outStream);
+        }
+    }
+}
+
+#endif

Assets/BestHTTP/SecureProtocol/util/encoders/Hex.cs.meta

@@ -0,0 +1,11 @@
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Assets/BestHTTP/SecureProtocol/util/encoders/HexEncoder.cs

@@ -0,0 +1,180 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.Encoders
+{
+    public class HexEncoder
+        : IEncoder
+    {
+        protected readonly byte[] encodingTable =
+        {
+            (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', (byte)'6', (byte)'7',
+            (byte)'8', (byte)'9', (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f'
+        };
+
+        /*
+         * set up the decoding table.
+         */
+        protected readonly byte[] decodingTable = new byte[128];
+
+        protected void InitialiseDecodingTable()
+        {
+            Arrays.Fill(decodingTable, (byte)0xff);
+
+            for (int i = 0; i < encodingTable.Length; i++)
+            {
+                decodingTable[encodingTable[i]] = (byte)i;
+            }
+
+            decodingTable['A'] = decodingTable['a'];
+            decodingTable['B'] = decodingTable['b'];
+            decodingTable['C'] = decodingTable['c'];
+            decodingTable['D'] = decodingTable['d'];
+            decodingTable['E'] = decodingTable['e'];
+            decodingTable['F'] = decodingTable['f'];
+        }
+
+        public HexEncoder()
+        {
+            InitialiseDecodingTable();
+        }
+
+        /**
+        * encode the input data producing a Hex output stream.
+        *
+        * @return the number of bytes produced.
+        */
+        public int Encode(
+            byte[]	data,
+            int		off,
+            int		length,
+            Stream	outStream)
+        {
+            for (int i = off; i < (off + length); i++)
+            {
+                int v = data[i];
+
+                outStream.WriteByte(encodingTable[v >> 4]);
+                outStream.WriteByte(encodingTable[v & 0xf]);
+            }
+
+            return length * 2;
+        }
+
+        private static bool Ignore(char c)
+        {
+            return c == '\n' || c =='\r' || c == '\t' || c == ' ';
+        }
+
+        /**
+        * decode the Hex encoded byte data writing it to the given output stream,
+        * whitespace characters will be ignored.
+        *
+        * @return the number of bytes produced.
+        */
+        public int Decode(
+            byte[]	data,
+            int		off,
+            int		length,
+            Stream	outStream)
+        {
+            byte b1, b2;
+            int outLen = 0;
+            int end = off + length;
+
+            while (end > off)
+            {
+                if (!Ignore((char)data[end - 1]))
+                {
+                    break;
+                }
+
+                end--;
+            }
+
+            int i = off;
+            while (i < end)
+            {
+                while (i < end && Ignore((char)data[i]))
+                {
+                    i++;
+                }
+
+                b1 = decodingTable[data[i++]];
+
+                while (i < end && Ignore((char)data[i]))
+                {
+                    i++;
+                }
+
+                b2 = decodingTable[data[i++]];
+
+                if ((b1 | b2) >= 0x80)
+                    throw new IOException("invalid characters encountered in Hex data");
+
+                outStream.WriteByte((byte)((b1 << 4) | b2));
+
+                outLen++;
+            }
+
+            return outLen;
+        }
+
+        /**
+        * decode the Hex encoded string data writing it to the given output stream,
+        * whitespace characters will be ignored.
+        *
+        * @return the number of bytes produced.
+        */
+        public int DecodeString(
+            string	data,
+            Stream	outStream)
+        {
+            byte    b1, b2;
+            int     length = 0;
+
+            int     end = data.Length;
+
+            while (end > 0)
+            {
+                if (!Ignore(data[end - 1]))
+                {
+                    break;
+                }
+
+                end--;
+            }
+
+            int i = 0;
+            while (i < end)
+            {
+                while (i < end && Ignore(data[i]))
+                {
+                    i++;
+                }
+
+                b1 = decodingTable[data[i++]];
+
+                while (i < end && Ignore(data[i]))
+                {
+                    i++;
+                }
+
+                b2 = decodingTable[data[i++]];
+
+                if ((b1 | b2) >= 0x80)
+                    throw new IOException("invalid characters encountered in Hex data");
+
+                outStream.WriteByte((byte)((b1 << 4) | b2));
+
+                length++;
+            }
+
+            return length;
+        }
+    }
+}
+
+#endif

Assets/BestHTTP/SecureProtocol/util/encoders/HexEncoder.cs.meta

@@ -0,0 +1,11 @@
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Assets/BestHTTP/SecureProtocol/util/encoders/IEncoder.cs

@@ -0,0 +1,22 @@
+#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
+
+using System;
+using System.IO;
+
+namespace Org.BouncyCastle.Utilities.Encoders
+{
+	/**
+	 * Encode and decode byte arrays (typically from binary to 7-bit ASCII
+	 * encodings).
+	 */
+	public interface IEncoder
+	{
+		int Encode(byte[] data, int off, int length, Stream outStream);
+
+		int Decode(byte[] data, int off, int length, Stream outStream);
+
+		int DecodeString(string data, Stream outStream);
+	}
+}
+
+#endif

Assets/BestHTTP/SecureProtocol/util/encoders/IEncoder.cs.meta

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