SimDashboard Map Decryptor

README.md

SimDashboard Map Decryptor

decrypts simdashboards .sdmap files, just a xor cipher. the decrypted files are zips

why

uh, i felt like it... idk

decrypt.py

key = b"HL74VJ02NHFOXA8BL2QRDK995KTNXEW"


def xor_arr(chunk, bytes_read):
    chunk = bytearray(chunk)
    key_len = len(key)
    chunk_size = len(chunk)

    if chunk_size > 0:
        for byte_index in range(0, chunk_size, 2):
            try:
                chunk[byte_index] ^= key[(byte_index + bytes_read) % key_len]
                chunk[byte_index + 1] ^= key[(byte_index + 1 + bytes_read) % key_len]
            except Exception as e:
                pass

        if chunk_size & 1:
            # handles the last byte
            chunk[0] ^= key[(0 + bytes_read) % key_len]

    return chunk


j8 = 0

with open("ats_hd_9.sdmap", "rb") as f:
    with open("out.obb", "wb") as f2:
        total_bytes_read = 0
        prev_progress = -1

        # read in chunks of 2048
        while True:
            chunk = f.read(2048)
            bytes_read = len(chunk)

            if bytes_read != 0:
                chunk = xor_arr(chunk, total_bytes_read)

                total = total_bytes_read + bytes_read
                if total > 0:
                    # update the progress
                    total_bytes_read = total
                    progress = int(min(95, ((((total_bytes_read * 100.0) / 56180771) / 100.0) * 95.0)))
                    if progress != prev_progress:
                        print("Progress: %d%%" % progress)
                        prev_progress = progress
                else:
                    total_bytes_read = total

                f2.write(chunk)
            else:
                print("100")
                break

SimDashboard_3.18_mappings_pg.txt

de.stryder_it.simdashboard.model.MapInfo -> de.stryder_it.simdashboard.model.MapInfo:
    void <init>(int,java.lang.String,java.lang.String,java.lang.String,int,int,java.lang.String) -> <init>
    void <init>(int,java.lang.String,java.lang.String,java.lang.String,int,int,java.lang.String,java.lang.String) -> <init>
    java.lang.String constructLocalFileName(int,java.lang.String) -> constructLocalFileName
l4.z0$h -> l4.z0$h:
    boolean d(java.io.File) -> removeFile
l5.d4 -> l5.MapUtils:
    q4.w0 d(android.content.Context,java.lang.String) -> ToMapData
    java.lang.String e(android.content.Context) -> getExternalFilesDirAbsolute
    java.lang.String f(java.lang.String) -> getMapfileVersionStringURI
    boolean g(java.lang.String) -> isUHDFile
q4.w0 -> q4.MapData:
    int a -> version
    boolean b -> isLegacyMapInfo
    boolean c -> isValid
    int d -> minAppVersion
    int e -> infoFormat
    int f -> gameId
    java.lang.String g -> modName
    java.lang.String h -> mapName
    java.lang.String i -> description
    java.lang.String a() -> getDescription
    int b() -> getGameId
    int c() -> getInfoFormat
    java.lang.String d() -> getMapName
    int e() -> getMinAppVersion
    java.lang.String f() -> getModName
    int g() -> getVersion
    boolean h() -> getIsLegacyMapInfo
    boolean i() -> getIsValid
    void k(java.lang.String) -> setDescription
    void l(int) -> setGameId
    void m(int) -> setInfoFormat
    void n(boolean) -> setIsLegacyMapInfo
    void o(java.lang.String) -> setMapName
    void p(int) -> setMinAppVersion
    void q(java.lang.String) -> setModName
    void r(boolean) -> setIsValid
    void s(int) -> setVersion