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  1. #1
    Grooguz
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    Atlantica Online NDT files decryptor

    With this simple script you can extract the NDT Files from Atlantica Online

    How to:
    Get Python 2.x version
    run script
    Code:
    from Tkinter import *
    from tkFileDialog   import askopenfilename 
    import struct
    
    filename = askopenfilename()
    
    if len(filename) == 0:
        exit()
    
    outputfilename = filename[:-4] + '.txt'
    
    f = open(filename, 'rb')
    buf = f.read()
    f.close()
    
    HEADER_SIZE = 0x18
    
    seed = struct.unpack('<H', buf[12:14])[0]
    
    output = []
    
    for i in xrange(HEADER_SIZE, len(buf)-1):
        v = struct.unpack('<B', buf[i])[0]
        v -= seed
        v = v & 0xFF
        b2 = struct.unpack('<B', buf[i+1])[0]
        x = v ^ b2
        output.append(x)
    
    f = open(outputfilename, 'wb')
    for v in output:
        f.write(struct.pack('B', v)[0])
    f.close()
    exit()
    Note: this script, will EAT the last byte of the file

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  3. #2
    pixellegolas
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    What is inside those archives?

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