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));
}