public void method_8()
{
if (_class1920 == null)
{
throw new InvalidOperationException("Closed");
}
if (_class1930 == null)
{
return;
}
if (_int0 == 8)
{
if ((_int1 & 8) != 0)
{
var array = new byte[2048];
while (Read(array, 0, array.Length) > 0)
{
}
return;
}
Long0 -= Class1960.method_12();
var expr67 = Class2010;
expr67.method_2(expr67.method_1() + Class1960.method_13());
}
if (Class2010.method_1() > Long0 && Long0 >= 0L)
{
Class2010.method_2((int)(Class2010.method_1() - Long0));
}
else
{
Long0 -= Class2010.method_1();
Class2010.method_2(0);
while (Long0 != 0L)
{
var num = (int)method_0(Long0 & 4294967295L);
if (num <= 0)
{
throw new ZipException("Zip archive ends early.");
}
Long0 -= num;
}
}
method_7(false);
}
private int method_11(byte[] byte0, int int2, int int3)
{
if (!method_4())
{
throw new ZipException("Library cannot extract this entry. Version required is (" +
_class1930.method_11() + ")");
}
if (_class1930.method_0())
{
if (_password == null)
{
throw new ZipException("No password set.");
}
var @class = new Class208();
var rgbKey = Class207.smethod_0(Class186.smethod_3(_password));
Class2010.method_12(@class.CreateDecryptor(rgbKey, null));
var array = new byte[12];
Class2010.method_7(array, 0, 12);
if (array[11] != _class1930.method_2())
{
throw new ZipException("Invalid password");
}
if (Long0 >= 12L)
{
Long0 -= 12L;
}
else if ((_class1930.method_4() & 8) == 0)
{
throw new ZipException(string.Format("Entry compressed size {0} too small for encryption", Long0));
}
}
else
{
Class2010.method_12(null);
}
if (_int0 == 8 && Class2010.method_1() > 0)
{
Class2010.method_3(Class1960);
}
_delegate50 = method_12;
return(method_12(byte0, int2, int3));
}