protected LibIndexReader(ArcView file, IMalieDecryptor decryptor, byte[] header)
{
m_view = file.View;
m_max_offset = file.MaxOffset;
m_dec = decryptor;
m_header = header;
}
private static int ReadEncrypted(ArcView.Frame view, IMalieDecryptor dec, long offset, byte[] buffer, int index, int length)
{
int offset_pad = (int)offset & 0xF;
int aligned_len = (offset_pad + length + 0xF) & ~0xF;
byte[] aligned_buf;
int block = 0;
if (aligned_len == length)
{
aligned_buf = buffer;
block = index;
}
else
{
aligned_buf = new byte[aligned_len];
}
int read = view.Read(offset - offset_pad, aligned_buf, block, (uint)aligned_len);
if (read < offset_pad)
{
return(0);
}
for (int block_count = aligned_len / 0x10; block_count > 0; --block_count)
{
dec.DecryptBlock(offset, aligned_buf, block);
block += 0x10;
offset += 0x10;
}
if (aligned_buf != buffer)
{
Buffer.BlockCopy(aligned_buf, offset_pad, buffer, index, length);
}
return(Math.Min(length, read - offset_pad));
}
public LibPReader(ArcView file, IMalieDecryptor decryptor, byte[] header, LibScheme scheme)
: base(file, decryptor, header)
{
m_base_offset = 0;
m_scheme = scheme;
}
public MalieArchive(ArcView file, ArchiveFormat format, ICollection <Entry> dir, IMalieDecryptor decr)
: base(file, format, dir)
{
Decryptor = decr;
}
public static LibUReader Create(ArcView file, IMalieDecryptor decryptor)
{
var input = new EncryptedStream(file, decryptor);
return(new LibUReader(input));
}
public EncryptedStream(ArcView mmap, IMalieDecryptor decryptor)
{
m_view = mmap.CreateFrame();
m_dec = decryptor;
m_max_offset = mmap.MaxOffset;
}
