[RELEASE] .pak file opener

For those who needs it, this is the .pak file opener.

when this will ask for a decompression script, select Cysis2.bms

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cant download!

thank's, now just approve it

wait for approval

On the screenshot is the link from the original site,

you can download on it without waiting approuve

When asked to choose for a bms script, what do I choose?

Cyrisis2.bms, is inside of the rar file

Code:

quickbmsver 0.4.10b # correct reimporting granted from this version
getdstring SIGN 2
if SIGN == "PK"
    print "the input file is already decrypted, open it normally as a ZIP"
    cleanexit
endif

get NIGEL_SIZE asize
math i = 0
do
    goto -10
    get PKSIZE long
    get OFFSET long
    if i == 0
        set CRYSIS2_KEY binary "\xc9\x68\xfb\x67\x8f\x9b\x42\x67\x85\x39\x9e\x84\xf9\xb9\x9d\xc4"   # retail
    elif i == 1
        set CRYSIS2_KEY binary "\xf3\x85\x0a\x96\xb7\x4a\xbe\x07\x12\x60\x4a\x4d\xe8\x03\xa1\x16"   # mpdemo
    else
        print "no valid key found, contact me!"
        cleanexit
    endif
    math i += 1
    encryption xxtea CRYSIS2_KEY "" 0 16
    log MEMORY_FILE OFFSET PKSIZE
    encryption "" ""
    get PK_sign long MEMORY_FILE
while PK_sign != 0x02014b50

goto 0 MEMORY_FILE
ComType deflate
for PKOFF = 0 < PKSIZE
    get PK_sign short MEMORY_FILE
    get sign short MEMORY_FILE
        get ver_made        short MEMORY_FILE
        get ver_need        short MEMORY_FILE
        get flag            short MEMORY_FILE
        get method          short MEMORY_FILE
        get modtime         short MEMORY_FILE
        get moddate         short MEMORY_FILE
        get crc             long MEMORY_FILE
        get comp_size       long MEMORY_FILE
        get uncomp_size     long MEMORY_FILE
        get name_len        short MEMORY_FILE
        get extra_len       short MEMORY_FILE
        get comm_len        short MEMORY_FILE
        get disknum         short MEMORY_FILE
        get int_attr        short MEMORY_FILE
        get ext_attr        long MEMORY_FILE
        get rel_offset      long MEMORY_FILE
        getdstring name     name_len MEMORY_FILE
        getdstring extra    extra_len MEMORY_FILE
        getdstring comment  comm_len MEMORY_FILE
    savepos PKOFF MEMORY_FILE

    math offset = rel_offset
    math offset += name_len
    math offset += 0x1e

    if uncomp_size == 0
        set method long 0
    endif

    if method == 0
        Log name offset uncomp_size
    elif method == 8
        CLog name offset comp_size uncomp_size
    elif method == 11
        encryption xxtea CRYSIS2_KEY "" 0 16
        CLog name offset comp_size uncomp_size
        encryption "" ""
    else
        print "unsupported compression method %method% at offset %PKOFF%, contact me!"
        cleanexit
    endif
next

/file approved

didn't understand clearly, could anyone explain step by step please?

this is just 4 the compression ryt?pls correct me if am wrong=)

I don't understand how hard it is to use, run quickbms.exe and follow the prompts. When it asks for a BMS script, double click on 'Crysis2.bms'. Is that hard to understand?