internal static byte[] smethod_3(long long_0, Stream stream_0)
{
try
{
return(Class5.smethod_2(stream_0));
}
catch (HostProtectionException ex)
{
return(Class5.smethod_4(97L, stream_0));
}
}
public static bool smethod_2(ref NotifyIconData notifyIconData_0, NotifyCommand notifyCommand_0, IconDataMembers iconDataMembers_0)
{
if (Boolean_0)
{
return(true);
}
notifyIconData_0.ValidMembers = iconDataMembers_0;
object obj2 = object_0;
lock (obj2)
{
return(Class5.Shell_NotifyIcon(notifyCommand_0, ref notifyIconData_0));
}
}
static Class5()
{
Class5.class5_0 = new Class5();
}
internal static byte[] smethod_4(long long_0, Stream stream_0)
{
Stream stream = stream_0;
MemoryStream memoryStream = (MemoryStream)null;
for (int index = 1; index < 4; ++index)
{
stream_0.ReadByte();
}
ushort num1 = ~(ushort)stream_0.ReadByte();
if (((int)num1 & 2) != 0)
{
DESCryptoServiceProvider cryptoServiceProvider = new DESCryptoServiceProvider();
byte[] buffer1 = new byte[8];
stream_0.Read(buffer1, 0, 8);
cryptoServiceProvider.IV = buffer1;
byte[] buffer2 = new byte[8];
stream_0.Read(buffer2, 0, 8);
bool flag = true;
foreach (byte num2 in buffer2)
{
if (num2 != (byte)0)
{
flag = false;
break;
}
}
if (flag)
{
buffer2 = Class5.smethod_1(Assembly.GetExecutingAssembly());
}
cryptoServiceProvider.Key = buffer2;
if (Class5.memoryStream_0 == null)
{
Class5.memoryStream_0.Capacity = Class5.int_0 != int.MaxValue ? Class5.int_0 : (int)stream_0.Length;
}
Class5.memoryStream_0.Position = 0L;
ICryptoTransform decryptor = cryptoServiceProvider.CreateDecryptor();
int inputBlockSize = decryptor.InputBlockSize;
int outputBlockSize = decryptor.OutputBlockSize;
byte[] numArray1 = new byte[decryptor.OutputBlockSize];
byte[] numArray2 = new byte[decryptor.InputBlockSize];
int position = (int)stream_0.Position;
while ((long)(position + inputBlockSize) < stream_0.Length)
{
stream_0.Read(numArray2, 0, inputBlockSize);
int count = decryptor.TransformBlock(numArray2, 0, inputBlockSize, numArray1, 0);
Class5.memoryStream_0.Write(numArray1, 0, count);
position += inputBlockSize;
}
stream_0.Read(numArray2, 0, (int)(stream_0.Length - (long)position));
byte[] buffer3 = decryptor.TransformFinalBlock(numArray2, 0, (int)(stream_0.Length - (long)position));
Class5.memoryStream_0.Write(buffer3, 0, buffer3.Length);
stream = (Stream)Class5.memoryStream_0;
stream.Position = 0L;
memoryStream = Class5.memoryStream_0;
}
if (((int)num1 & 8) != 0)
{
if (Class5.memoryStream_1 == null)
{
Class5.memoryStream_1.Capacity = Class5.int_1 != int.MinValue ? Class5.int_1 : (int)stream.Length * 2;
}
Class5.memoryStream_1.Position = 0L;
DeflateStream deflateStream = new DeflateStream(stream, CompressionMode.Decompress);
int count1 = 1000;
byte[] buffer = new byte[1000];
int count2;
do
{
count2 = deflateStream.Read(buffer, 0, count1);
if (count2 > 0)
{
goto label_22;
}
label_21:
continue;
label_22:
Class5.memoryStream_1.Write(buffer, 0, count2);
goto label_21;
}while (count2 >= count1);
memoryStream = Class5.memoryStream_1;
}
if (memoryStream != null)
{
return(memoryStream.ToArray());
}
byte[] buffer4 = new byte[stream_0.Length - stream_0.Position];
stream_0.Read(buffer4, 0, buffer4.Length);
return(buffer4);
}
internal static byte[] smethod_2(Stream stream_0)
{
lock (Class5.object_0)
return(Class5.smethod_4(97L, stream_0));
}
static Class5()
{
Class5.class5_0 = new Class5();
}