private void WriteWhole(Deflater def, int typeCode, byte[] data)
{
int sz = data.Length;
int hdrlen = 0;
_buffer[hdrlen++] = (byte)((typeCode << 4) | sz & 15);
sz = (int)(((uint)sz) >> 4);
while (sz > 0)
{
_buffer[hdrlen - 1] |= 0x80;
_buffer[hdrlen++] = (byte)(sz & 0x7f);
sz = (int)(((uint)sz) >> 7);
}
_packDigest.Update(_buffer, 0, hdrlen);
_crc.Update(_buffer, 0, hdrlen);
_packOut.Write(_buffer, 0, hdrlen);
def.Reset();
def.SetInput(data);
def.Finish();
while (!def.IsFinished)
{
int datlen = def.Deflate(_buffer);
_packDigest.Update(_buffer, 0, datlen);
_crc.Update(_buffer, 0, datlen);
_packOut.Write(_buffer, 0, datlen);
}
}
/// <summary>
/// Finishes the stream by calling finish() on the deflater.
/// </summary>
/// <exception cref="InvalidDataException">
/// Not all input is deflated.
/// </exception>
public virtual void Finish()
{
Deflater.Finish();
while (!Deflater.IsFinished)
{
var len = Deflater.Deflate(buffer, 0, buffer.Length);
if (len <= 0)
{
break;
}
if (CryptoTransform != null)
{
EncryptBlock(buffer, 0, len);
}
BaseOutputStream.Write(buffer, 0, len);
}
if (!Deflater.IsFinished)
{
throw new InvalidDataException("Can't deflate all input?");
}
BaseOutputStream.Flush();
}
public static byte[] Compress(byte[] input, int level = Deflater.BEST_COMPRESSION)
{
if (input == null || input.Length == 0)
{
Debug.LogError("Compress error inputBytes Len = 0");
return(input);
}
// Create the compressor with highest level of compression
Deflater compressor = new Deflater(level);
// Give the compressor the data to compress
compressor.SetInput(input);
compressor.Finish();
/*
* Create an expandable byte array to hold the compressed data.
* You cannot use an array that's the same size as the orginal because
* there is no guarantee that the compressed data will be smaller than
* the uncompressed data.
*/
MemoryStream result = new MemoryStream(input.Length);
// Compress the data
byte[] buffer = new byte[1024];
while (!compressor.IsFinished)
{
int count = compressor.Deflate(buffer);
result.Write(buffer, 0, count);
}
// Get the compressed data
return(result.ToArray());
}
public virtual void Finish()
{
Deflater.Finish();
while (!Deflater.IsFinished)
{
int length = Deflater.Deflate(_buffer, 0, _buffer.Length);
if (length <= 0)
{
break;
}
if (_cryptoTransform != null)
{
EncryptBlock(_buffer, 0, length);
}
BaseOutputStream.Write(_buffer, 0, length);
}
if (!Deflater.IsFinished)
{
throw new SharpZipBaseException("Can't deflate all input?");
}
BaseOutputStream.Flush();
if (_cryptoTransform != null)
{
ZipAESTransform transform = _cryptoTransform as ZipAESTransform;
if (transform != null)
{
AesAuthCode = transform.GetAuthCode();
}
_cryptoTransform.Dispose();
_cryptoTransform = null;
}
}
/// <summary>
/// Create a writeable byte array to persist data back into the PES data system.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
private byte[] CreateWriteableBytes(byte[] input)
{
uint fsize = (uint)input.Length;
Deflater deflater = new Deflater(9);
deflater.SetInput(input);
deflater.Finish();
using (var ms = new MemoryStream())
{
var outputBuffer = new byte[65536 * 32];
while (deflater.IsNeedingInput == false)
{
var read = deflater.Deflate(outputBuffer);
ms.Write(outputBuffer, 0, read);
if (deflater.IsFinished == true)
{
break;
}
}
deflater.Reset();
uint zsize = (uint)ms.Length;
byte[] header = { 0x04, 0x10, 0x01, 0x57, 0x45, 0x53, 0x59, 0x53 };
byte[] b1, b2;
b1 = BitConverter.GetBytes(zsize);
b2 = BitConverter.GetBytes(fsize);
byte[] zlib = ms.ToArray();
return(header.Concat(b1).Concat(b2).Concat(zlib).ToArray());
}
}
/// <summary>
/// Compresses this instance.
/// </summary>
public void Compress()
{
var deflater = new Deflater();
byte[] packet = PacketData;
deflater.SetInput(packet, 0, packet.Length);
deflater.Finish();
var compBuffer = new byte[1024];
var ret = new List <byte>();
while (!deflater.IsFinished)
{
try
{
deflater.Deflate(compBuffer);
ret.AddRange(compBuffer);
Array.Clear(compBuffer, 0, compBuffer.Length);
}
catch (Exception ex)
{
Logging.WriteException(ex);
return;
}
}
deflater.Reset();
Seek((byte)_headerType, SeekOrigin.Begin);
// Write the compressed bytes over whatever is there.
Write(ret.ToArray());
// Set the stream length to the end of the actual packet data.
// This makes sure we don't have any 'junk' packets at the end.
OutStream.SetLength(BaseStream.Position);
}
public static byte[] ZlibCompress(byte[] input)
{
using var ms = new MemoryStream(input.Length);
using var bs = new BinaryStream(ms);
bs.WriteUInt32(Constants.ZLIB_MAGIC);
bs.WriteInt32(-input.Length);
/* For some reason System.IO.Compression has issues making the games load these files?
* using var ds = new DeflateStream(ms, CompressionLevel.Optimal);
* ds.Write(input, 0, input.Length);
* ds.Flush();
*/
// Fall back to ICSharpCode
var d = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
d.SetInput(input);
d.Finish();
int count = d.Deflate(input);
bs.Write(input, 0, count);
return(ms.ToArray());
}
/// <summary>
/// Encode a RIF byte array to zRIF string.
/// </summary>
/// <param name="zrif">The zRIF string.</param>
/// <returns>The zRIF string or null on error.</returns>
public static string Encode(byte[] rif)
{
byte[] output = new byte[128 + 2];
if ((rif.Length != 512) && (rif.Length != 1024))
{
Console.Error.WriteLine("[ERROR] invalid RIF length");
return(null);
}
var deflater = new Deflater();
deflater.SetDictionary(zrif_dict);
deflater.SetInput(rif);
deflater.SetLevel(Deflater.BEST_COMPRESSION);
deflater.SetStrategy(DeflateStrategy.Default);
deflater.Finish();
int size = deflater.Deflate(output, 0, output.Length - 2);
if (!deflater.IsFinished)
{
Console.Error.WriteLine("[ERROR] Deflate error");
return(null);
}
// Don't have that much control over Window size so our header needs to be adjusted.
if ((output[0] == 0x78) && (output[1] == 0xF9))
{
output[0] = 0x28;
output[1] = 0xEE;
}
// Adjust the size to be a multiple of 3 so that we don't get padding
return(Convert.ToBase64String(output, 0, ((size + 2) / 3) * 3));
}
public override void Compress(byte[] bytes, int off, int len, DataOutput @out)
{
Compressor.Reset();
Compressor.SetInput((byte[])(Array)bytes, off, len);
Compressor.Finish();
if (Compressor.NeedsInput)
{
// no output
Debug.Assert(len == 0, len.ToString());
@out.WriteVInt(0);
return;
}
int totalCount = 0;
for (; ;)
{
int count = Compressor.Deflate(Compressed, totalCount, Compressed.Length - totalCount);
totalCount += count;
Debug.Assert(totalCount <= Compressed.Length);
if (Compressor.IsFinished)
{
break;
}
else
{
Compressed = ArrayUtil.Grow(Compressed);
}
}
@out.WriteVInt(totalCount);
@out.WriteBytes(Compressed, totalCount);
}
public static String Compress(string str)
{
byte[] bytesToCompress = ASCIIEncoding.UTF8.GetBytes(str);
// Compressor with highest level of compression.
Deflater compressor = new Deflater(Deflater.BEST_COMPRESSION);
compressor.SetInput(bytesToCompress); // Give the compressor the data to
// compress.
compressor.Finish();
// Create an expandable byte array to hold the compressed data.
// It is not necessary that the compressed data will be smaller than
// the uncompressed data.
byte[] ret = null;
using (MemoryStream memStream = new MemoryStream(bytesToCompress.Length))
{
// Compress the data
byte[] buf = new byte[bytesToCompress.Length + 100];
while (!compressor.IsFinished)
{
memStream.Write(buf, 0, compressor.Deflate(buf));
}
memStream.Close();
ret = memStream.ToArray();
}
// Get the compressed data
return(Convert.ToBase64String(ret));
}
protected override void Encode(IChannelHandlerContext ctx, IByteBuffer msg, List <object> output)
{
var buffer = Unpooled.Buffer();
if (msg.ReadableBytes >= CompressionThreshold)
{
var data = msg.ToArray(out var offset, out var count);
buffer.WriteVarInt32(count);
_deflater.SetInput(data, offset, count);
_deflater.Finish();
while (!_deflater.IsFinished)
{
var read = _deflater.Deflate(_buffer);
buffer.WriteBytes(_buffer, 0, read);
}
_deflater.Reset();
}
else
{
buffer.WriteVarInt32(0);
buffer.WriteBytes(msg);
}
output.Add(buffer);
}
private static MemoryStream Compress(MemoryStream stream)
{
stream.Position = 0;
byte[] input = stream.ToArray();
byte[] size = BitConverter.GetBytes(Convert.ToUInt32(input.Length));
Deflater compressor = new Deflater();
compressor.SetLevel(Deflater.BEST_SPEED);
compressor.SetInput(input);
compressor.Finish();
MemoryStream bos = new MemoryStream(input.Length);
byte[] buf = new byte[1024];
while (!compressor.IsFinished)
{
int count = compressor.Deflate(buf);
bos.Write(buf, 0, count);
}
MemoryStream result = new MemoryStream();
BinaryWriter writeBinary = new BinaryWriter(result);
writeBinary.Write(size);
writeBinary.Write(bos.ToArray());
writeBinary.Close();
return(result);
}
public static byte[] Deflate(byte[] inputData)
{
var deflater = new Deflater(Deflater.DEFAULT_COMPRESSION, false);
deflater.SetInput(inputData);
deflater.Finish();
using (var ms = new MemoryStream())
{
var outputBuffer = new byte[65536 * 4];
while (deflater.IsNeedingInput == false)
{
var read = deflater.Deflate(outputBuffer);
ms.Write(outputBuffer, 0, read);
if (deflater.IsFinished == true)
{
break;
}
}
deflater.Reset();
return(ms.ToArray());
}
}
public virtual void Finish()
{
deflater_.Finish();
while (!deflater_.IsFinished)
{
int num = deflater_.Deflate(buffer_, 0, buffer_.Length);
if (num <= 0)
{
break;
}
if (cryptoTransform_ != null)
{
EncryptBlock(buffer_, 0, num);
}
baseOutputStream_.Write(buffer_, 0, num);
}
if (!deflater_.IsFinished)
{
throw new SharpZipBaseException("Can't deflate all input?");
}
baseOutputStream_.Flush();
if (cryptoTransform_ != null)
{
((global::System.IDisposable)cryptoTransform_).Dispose();
cryptoTransform_ = null;
}
}
private const int CopyBufferSize = 32 * 1024; // 32kb
public void Compress(Stream source, Stream destination)
{
/*
* var deflater = new DeflaterOutputStream(destination, new Deflater(Deflater.DEFAULT_COMPRESSION, true));
*
* var dataBuffer = new byte[CopyBufferSize];
* StreamUtils.Copy(source, deflater, dataBuffer);
*/
var def = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
var inputData = new byte[source.Length - source.Position];
source.Read(inputData, 0, inputData.Length);
var buffer = new byte[CopyBufferSize];
def.SetInput(inputData, 0, inputData.Length);
def.Finish();
while (!def.IsFinished)
{
int outputLen = def.Deflate(buffer, 0, buffer.Length);
destination.Write(buffer, 0, outputLen);
}
def.Reset();
}
/// <summary>
/// Compresses the specified byte range using the
/// specified compressionLevel (constants are defined in
/// java.util.zip.Deflater).
/// </summary>
public static byte[] Compress(sbyte[] value, int offset, int length, int compressionLevel)
{
/* Create an expandable byte array to hold the compressed data.
* You cannot use an array that's the same size as the orginal because
* there is no guarantee that the compressed data will be smaller than
* the uncompressed data. */
ByteArrayOutputStream bos = new ByteArrayOutputStream(length);
Deflater compressor = SharpZipLib.CreateDeflater();
try
{
compressor.SetLevel(compressionLevel);
compressor.SetInput((byte[])(Array)value, offset, length);
compressor.Finish();
// Compress the data
var buf = new byte[1024];
while (!compressor.IsFinished)
{
int count = compressor.Deflate(buf);
bos.Write(buf, 0, count);
}
}
finally
{
}
return(bos.ToArray());
}
/// <summary>
/// 字节数组压缩
/// </summary>
/// <param name="data">待压缩的字节数组</param>
/// <param name="isClearData">压缩完成后，是否清除待压缩字节数组里面的内容</param>
/// <returns>已压缩的字节数组</returns>
public byte[] ZipCompress(byte[] data, bool isClearData = true)
{
byte[] bytes = null;
Deflater f = new Deflater(Deflater.BEST_COMPRESSION);
f.SetInput(data);
f.Finish();
int count = 0;
using (MemoryStream o = new MemoryStream(data.Length))
{
byte[] buffer = new byte[BUFFER_LENGTH];
while (!f.IsFinished)
{
count = f.Deflate(buffer);
o.Write(buffer, 0, count);
}
bytes = o.ToArray();
}
if (isClearData)
{
Array.Clear(data, 0, data.Length);
}
return(bytes);
}
public static byte[] Compress(byte[] input, int offset, int len)
{
byte[] sourceArray = new byte[0x400];
int num = 0;
Deflater deflater = new Deflater();
deflater.SetInput(input, offset, len);
deflater.Finish();
while (!deflater.IsFinished)
{
if (num == sourceArray.Length)
{
byte[] buffer2 = new byte[sourceArray.Length * 2];
Array.Copy(sourceArray, buffer2, sourceArray.Length);
sourceArray = buffer2;
}
try
{
num += deflater.Deflate(sourceArray, num, sourceArray.Length - num);
}
catch (FormatException exception)
{
throw new IOException(exception.ToString());
}
}
deflater.Reset();
byte[] destinationArray = new byte[num];
Array.Copy(sourceArray, destinationArray, num);
return(destinationArray);
}
/// <summary>
/// Deflates the decompressed bytes.
/// </summary>
/// <param name="decompressedData"> Data. </param>
/// <param name="offset"> Offset in the data. </param>
/// <param name="count"> Number of the written bytes. </param>
/// <param name="compressedSize"> Compressed size. Optional parameter, but if it is known, then passing of the parameter may increasing performance. </param>
/// <returns> Array of the compressed bytes. </returns>
public static byte[] Deflate(byte[] decompressedData, int offset, int count, int?compressedSize = null)
{
IByteArrayWriter writer = new ByteArrayWriter(true);
Deflater deflater = new Deflater(Deflater.DEFLATED);
deflater.SetInput(decompressedData, offset, count);
deflater.Finish();
int length = (compressedSize != null) ? compressedSize.Value : count;
byte[] compressedData;
int processedBytes;
while (true)
{
compressedData = new byte[length];
processedBytes = deflater.Deflate(compressedData, 0, length);
if (processedBytes != 0)
{
writer.WriteBytes(compressedData, 0, processedBytes);
}
else
{
if (deflater.IsFinished)
{
break;
}
}
}
return(writer.GetBytes());
}
public virtual void Finish()
{
deflater_.Finish();
while (!deflater_.IsFinished)
{
int num = deflater_.Deflate(buffer_, 0, buffer_.Length);
if (num <= 0)
{
break;
}
if (cryptoTransform_ != null)
{
EncryptBlock(buffer_, 0, num);
}
baseOutputStream_.Write(buffer_, 0, num);
}
if (!deflater_.IsFinished)
{
throw new SharpZipBaseException("Can't deflate all input?");
}
baseOutputStream_.Flush();
if (cryptoTransform_ != null)
{
if (cryptoTransform_ is ZipAESTransform)
{
AESAuthCode = ((ZipAESTransform)cryptoTransform_).GetAuthCode();
}
cryptoTransform_.Dispose();
cryptoTransform_ = null;
}
}
public static byte[] Deflate(ReadOnlySpan <int> ints)
{
if (ints == null)
{
throw new ArgumentNullException(nameof(ints));
}
byte[] input = new byte[ints.Length * sizeof(int)];
var asBytes = MemoryMarshal.Cast <int, byte>(ints);
asBytes.CopyTo(input.AsSpan());
var deflater = new Deflater();
deflater.SetLevel(Deflater.DEFAULT_COMPRESSION);
deflater.SetInput(input);
deflater.Finish();
using var ms = new MemoryStream(input.Length);
byte[] buf = new byte[1024];
while (!deflater.IsFinished)
{
int count = deflater.Deflate(buf);
ms.Write(buf, 0, count);
}
return(ms.ToArray());
}
public static byte[] Compress(string str)
{
byte[] bytes = Encoding.Unicode.GetBytes(str);
Deflater deflater = new Deflater(Deflater.BEST_COMPRESSION);
deflater.SetInput(bytes);
deflater.Finish();
MemoryStream stream = new MemoryStream(bytes.Length);
try
{
byte[] output = new byte[0x400];
while (!deflater.IsFinished)
{
int count = deflater.Deflate(output);
stream.Write(output, 0, count);
}
}
finally
{
stream.Close();
}
byte[] buffer3 = stream.ToArray();
if ((buffer3.Length % 2) == 0)
{
return(buffer3);
}
byte[] buffer4 = new byte[buffer3.Length + 1];
for (int i = 0; i < buffer3.Length; i++)
{
buffer4[i] = buffer3[i];
}
buffer4[buffer3.Length] = 0;
return(buffer4);
}
/// <summary>
/// Finishes the stream by calling finish() on the deflater.
/// </summary>
/// <exception cref="SharpZipBaseException">Not all input is deflated</exception>
public virtual void Finish()
{
def.Finish();
while (!def.IsFinished)
{
int len = def.Deflate(buf, 0, buf.Length);
if (len <= 0)
{
break;
}
if (this.keys != null)
{
this.EncryptBlock(buf, 0, len);
}
baseOutputStream.Write(buf, 0, len);
}
if (!def.IsFinished)
{
throw new SharpZipBaseException("Can't deflate all input?");
}
baseOutputStream.Flush();
keys = null;
}
public byte[] GetCompressedOutPacket(int offset, int length)
{
var deflater = new Deflater();
deflater.SetInput(Data, offset, length);
deflater.Finish();
var compBuffer = new byte[1024];
var ret = new List <byte>();
while (!deflater.IsFinished)
{
try
{
deflater.Deflate(compBuffer);
ret.AddRange(compBuffer);
Array.Clear(compBuffer, 0, compBuffer.Length);
}
catch (Exception ex)
{
Logging.WriteException(ex);
return(null);
}
}
deflater.Reset();
return(ret.ToArray());
}
public void Deflate_Compress()
{
compressedData.Clear();
byte[] testData = new byte[35000];
for (int i = 0; i < testData.Length; ++i)
{
testData[i] = 5;
}
using (Deflater def = new Deflater((CompressLevel)5))
{
def.DataAvailable += new DataAvailableHandler(CDataAvail);
def.Add(testData);
def.Finish();
adler1 = def.Checksum;
}
}
public byte[] Compress(byte[] input, int offset, int length)
{
// Create the compressor with highest level of compression
Deflater compressor = new Deflater();
compressor.SetLevel(Deflater.BEST_COMPRESSION);
// Give the compressor the data to compress
compressor.SetInput(input, offset, length);
compressor.Finish();
/*
* Create an expandable byte array to hold the compressed data.
* You cannot use an array that's the same size as the orginal because
* there is no guarantee that the compressed data will be smaller than
* the uncompressed data.
*/
MemoryStream bos = new MemoryStream(input.Length);
// Compress the data
byte[] buf = new byte[1024];
while (!compressor.IsFinished)
{
int count = compressor.Deflate(buf);
bos.Write(buf, 0, count);
}
// Get the compressed data
return(bos.ToArray());
}
void IPreviewCallback.OnPreviewFrame(byte[] b, Camera c)
{
Android.Graphics.YuvImage yuvImage = new Android.Graphics.YuvImage(b, Android.Graphics.ImageFormat.Nv21, previewSize.Width, previewSize.Height, null);
byte[] msg = new byte[65000];
MemoryStream ms = new MemoryStream();
yuvImage.CompressToJpeg(new Android.Graphics.Rect(0, 0, previewSize.Width, previewSize.Height), 100, ms);
Deflater compresser = new Deflater();
compresser.SetInput(ms.ToArray());
compresser.Finish();
compresser.Deflate(msg); //int length = compresser.Deflate(msg);
compresser.End();
var current = Connectivity.NetworkAccess;
if (current == Xamarin.Essentials.NetworkAccess.Internet)
{
try
{
Sock.SendTo(msg, EndP);
}
catch
{
}
}
Thread.Sleep(300);
}
/// <summary>
/// Finishes the stream by calling finish() on the deflater.
/// </summary>
public virtual void Finish()
{
def.Finish();
while (!def.IsFinished)
{
int len = def.Deflate(buf, 0, buf.Length);
if (len <= 0)
{
break;
}
// kidnthrain encryption alteration
if (this.Password != null)
{
// plain data has been deflated. Now encrypt result
this.EncryptBlock(buf, 0, len);
}
baseOutputStream.Write(buf, 0, len);
}
if (!def.IsFinished)
{
throw new ApplicationException("Can't deflate all input?");
}
baseOutputStream.Flush();
}
public static byte[] Compress(byte[] input, int offset, int len)
{
byte[] output = new byte[1024];
int outputused = 0;
Deflater deflater = new Deflater();
deflater.SetInput(input, offset, len);
deflater.Finish();
while (deflater.IsFinished == false)
{
// if(deflater.IsNeedingInput && deflater.IsFinished == false)
// throw(new Exception("deflateData: input incomplete!"));
if (outputused == output.Length)
{
byte[] newOutput = new byte[output.Length * 2];
Array.Copy(output, newOutput, output.Length);
output = newOutput;
}
try
{
outputused += deflater.Deflate(output, outputused, output.Length - outputused);
}
catch (FormatException e)
{
throw(new IOException(e.ToString()));
}
}
deflater.Reset();
byte[] realOutput = new byte[outputused];
Array.Copy(output, realOutput, outputused);
return(realOutput);
}
/// <summary>Performs deflate compression on the given data.</summary>
/// <param name="input">the data to compress</param>
/// <param name="output">the compressed data</param>
public static void CompressZLib(byte[] input, byte[] output, int compressionLevel, out int deflatedLength)
{
Deflater deflater = new Deflater(compressionLevel);
deflater.SetInput(input, 0, input.Length);
deflater.Finish();
deflatedLength = deflater.Deflate(output, 0, output.Length);
}
static int Deflate(Deflater def, byte [] src, byte [] dest)
{
bool count;
int offset, length, remain;
if (dest == null) {
dest = new byte [BlockSize];
count = true;
} else
count = false;
def.Reset ();
def.SetInput (src);
offset = 0;
while (!def.IsFinished) {
if (def.IsNeedingInput)
def.Finish ();
remain = Math.Min (dest.Length - offset, BlockSize);
if (remain == 0)
break;
length = def.Deflate (dest, offset, remain);
if (!count)
offset += length;
}
return def.TotalOut;
}
public static String Compress(string str)
{
byte[] bytesToCompress = ASCIIEncoding.UTF8.GetBytes(str);
// Compressor with highest level of compression.
Deflater compressor = new Deflater(Deflater.BEST_COMPRESSION);
compressor.SetInput(bytesToCompress); // Give the compressor the data to
// compress.
compressor.Finish();
// Create an expandable byte array to hold the compressed data.
// It is not necessary that the compressed data will be smaller than
// the uncompressed data.
byte[] ret = null;
using (MemoryStream memStream = new MemoryStream(bytesToCompress.Length))
{
// Compress the data
byte[] buf = new byte[bytesToCompress.Length + 100];
while (!compressor.IsFinished)
{
memStream.Write(buf, 0, compressor.Deflate(buf));
}
memStream.Close();
ret = memStream.ToArray();
}
// Get the compressed data
return Convert.ToBase64String(ret);
}
private static byte[] Zip(byte[] buffer, int version, byte[] key, byte[] iv)
{
byte[] buffer12;
try
{
ZipStream stream = new ZipStream();
if (version == 0)
{
Deflater deflater = new Deflater();
DateTime now = DateTime.Now;
long num = (long) ((ulong) ((((((((now.Year - 0x7bc) & 0x7f) << 0x19) | (now.Month << 0x15)) | (now.Day << 0x10)) | (now.Hour << 11)) | (now.Minute << 5)) | (now.Second >> 1)));
uint[] numArray = new uint[] {
0, 0x77073096, 0xee0e612c, 0x990951ba, 0x76dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0xedb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x9b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
0x76dc4190, 0x1db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x6b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0xf00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x86d3d2d, 0x91646c97, 0xe6635c01,
0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
0xedb88320, 0x9abfb3b6, 0x3b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x4db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0xd6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0xa00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x26d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x5005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0xcb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0xbdbdf21,
0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
uint maxValue = uint.MaxValue;
uint num3 = maxValue;
int num4 = 0;
int length = buffer.Length;
while (--length >= 0)
{
num3 = numArray[(int) ((IntPtr) ((num3 ^ buffer[num4++]) & 0xff))] ^ (num3 >> 8);
}
num3 ^= maxValue;
stream.WriteInt(0x4034b50);
stream.WriteShort(20);
stream.WriteShort(0);
stream.WriteShort(8);
stream.WriteInt((int) num);
stream.WriteInt((int) num3);
long position = stream.Position;
stream.WriteInt(0);
stream.WriteInt(buffer.Length);
byte[] bytes = Encoding.UTF8.GetBytes("{data}");
stream.WriteShort(bytes.Length);
stream.WriteShort(0);
stream.Write(bytes, 0, bytes.Length);
deflater.SetInput(buffer);
while (!deflater.IsNeedingInput)
{
byte[] output = new byte[0x200];
int count = deflater.Deflate(output);
if (count <= 0)
{
break;
}
stream.Write(output, 0, count);
}
deflater.Finish();
while (!deflater.IsFinished)
{
byte[] buffer4 = new byte[0x200];
int num8 = deflater.Deflate(buffer4);
if (num8 <= 0)
{
break;
}
stream.Write(buffer4, 0, num8);
}
long totalOut = deflater.TotalOut;
stream.WriteInt(0x2014b50);
stream.WriteShort(20);
stream.WriteShort(20);
stream.WriteShort(0);
stream.WriteShort(8);
stream.WriteInt((int) num);
stream.WriteInt((int) num3);
stream.WriteInt((int) totalOut);
stream.WriteInt(buffer.Length);
stream.WriteShort(bytes.Length);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteInt(0);
stream.WriteInt(0);
stream.Write(bytes, 0, bytes.Length);
stream.WriteInt(0x6054b50);
stream.WriteShort(0);
stream.WriteShort(0);
stream.WriteShort(1);
stream.WriteShort(1);
stream.WriteInt(0x2e + bytes.Length);
stream.WriteInt((30 + bytes.Length) + ((int) totalOut));
stream.WriteShort(0);
stream.Seek(position, SeekOrigin.Begin);
stream.WriteInt((int) totalOut);
}
else if (version == 1)
{
byte[] buffer5;
stream.WriteInt(0x17d7a7b);
stream.WriteInt(buffer.Length);
for (int i = 0; i < buffer.Length; i += buffer5.Length)
{
buffer5 = new byte[Math.Min(0x1fffff, buffer.Length - i)];
Buffer.BlockCopy(buffer, i, buffer5, 0, buffer5.Length);
long num11 = stream.Position;
stream.WriteInt(0);
stream.WriteInt(buffer5.Length);
Deflater deflater2 = new Deflater();
deflater2.SetInput(buffer5);
while (!deflater2.IsNeedingInput)
{
byte[] buffer6 = new byte[0x200];
int num12 = deflater2.Deflate(buffer6);
if (num12 <= 0)
{
break;
}
stream.Write(buffer6, 0, num12);
}
deflater2.Finish();
while (!deflater2.IsFinished)
{
byte[] buffer7 = new byte[0x200];
int num13 = deflater2.Deflate(buffer7);
if (num13 <= 0)
{
break;
}
stream.Write(buffer7, 0, num13);
}
long num14 = stream.Position;
stream.Position = num11;
stream.WriteInt((int) deflater2.TotalOut);
stream.Position = num14;
}
}
else
{
if (version == 2)
{
stream.WriteInt(0x27d7a7b);
byte[] inputBuffer = Zip(buffer, 1, null, null);
using (ICryptoTransform transform = GetDesTransform(key, iv, false))
{
byte[] buffer9 = transform.TransformFinalBlock(inputBuffer, 0, inputBuffer.Length);
stream.Write(buffer9, 0, buffer9.Length);
goto Label_044F;
}
}
if (version == 3)
{
stream.WriteInt(0x37d7a7b);
byte[] buffer10 = Zip(buffer, 1, null, null);
using (ICryptoTransform transform2 = GetAesTransform(key, iv, false))
{
byte[] buffer11 = transform2.TransformFinalBlock(buffer10, 0, buffer10.Length);
stream.Write(buffer11, 0, buffer11.Length);
}
}
}
Label_044F:
stream.Flush();
stream.Close();
buffer12 = stream.ToArray();
}
catch (Exception exception)
{
ExceptionMessage = "ERR 2003: " + exception.Message;
throw;
}
return buffer12;
}
