void ReadEncrypted(byte key)
{
uint index_offset = 0;
for (;;)
{
index_offset += 0x10;
if (m_entry_buf.AsciiEqual(0, "ffffffffffffffff"))
{
break;
}
var name = m_enc.GetString(m_entry_buf, 0, 8);
var offset = m_enc.GetString(m_entry_buf, 8, 8);
var entry = new Entry {
Name = name, Offset = Convert.ToUInt32(offset, 16)
};
m_dir.Add(entry);
if (0x10 != m_file.View.Read(index_offset, m_entry_buf, 0, 0x10))
{
throw new InvalidFormatException();
}
key = OdnOpener.Decrypt(m_entry_buf, 0x10, key);
}
foreach (var entry in m_dir)
{
entry.Offset += index_offset;
}
}
public List <Entry> ReadIndex()
{
m_file.View.Read(0, m_entry_buf, 0, 0x1C);
if (m_entry_buf.AsciiEqual(8, "00000000"))
{
ReadV1();
}
else if (IsAscii(m_entry_buf, 0x10))
{
var name = m_enc.GetString(m_entry_buf, 0, 4);
if (m_entry_buf.AsciiEqual(0x10, name))
{
ReadV2(0x10);
}
else if (m_entry_buf.AsciiEqual(0x18, name))
{
ReadV2(0x18);
}
}
else
{
var key = OdnOpener.Decrypt(m_entry_buf, 0x10, 0xFF);
if (m_entry_buf.AsciiEqual(8, "00000000"))
{
ReadEncrypted(key);
}
}
if (0 == m_dir.Count)
{
return(null);
}
FixupDir();
return(m_dir);
}