Questions tagged [decompress]
Process of decoding a compressed file to get back to the original one. Some compression software may also include encryption or obfuscation in order to protect their format/algorithm.
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Kawai ES110 - Firmware supplied as MIDI file, what can we do?
The firmware for this digital piano is supplied as a MIDI file with an EasyPlayer.exe (not sure if Wine can run this properly) binary to upload it.
I'm wondering if there's a way to get at it's ...
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How to decompress file encrypt lua
I recently decrypted a mobile game, after decrypting xxtea and luajit I got strange encryption file, it was an extra layer of encryption before finding the original .lua file content. I'm very ...
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Reverse engineering JCALG/LZ?? compression
I think this is related to this this question, but the consts in the example code don't exist in mine, so maybe it's a different level of compression, but I am unsure.
Can anyone provide me the right ...
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How to decompress this file
I'm trying to figure out how this old game is (de)compressing files, but I don't have much knowledge about file compression.
I tried running the game from a debug tool to see if I could spot something ...
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What kind of compression/encoding is this program using?
The program I am looking at creates 3 different tables.
The first two tables are created at the same time, one entry at a time. Table 1 is 256 1 byte entries. Table 2 is 256 2 byte entries. All the ...
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Serialized body (Protobuf?)
There is an application on iOS that collects data and encrypts it in the future. Data is already serialized at entry to the encryption function, they look like this(I tried to decode, restore the ...
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How to read the content of these files?
I am looking for a way to read the content of these two files. If that is possible, please let me know.
Google Drive link for the files
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Decoding set of byte arrays representing light spectrum
I have a small spectrometer that measures in the spectral range of 740-1070nm. The device is commercial, and used to send the raw data to the manufacturer's server for decoding, but that does not seem ...
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Compression algorithm from very old tape backup?
I'm recovering data from old tape cartridges from circa 1994, where the user had forgotten what software was used to write them, and it doesn't seem to be any format I recognize. Fortunately the file ...
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Compression format used for various data (images, text, etc.) in a 1997 video game
I've been trying to reverse engineer the format of data files from the 1997 video game Helicops. I have experience reverse engineering binary files from games of this period but limited exposure to ...
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What kind of deflate compression is this?
I must be missing something obvious here. I cannot make sense of the following deflate stream.
Steps:
% wget https://github.com/lrq3000/mri_protocol/raw/master/SiemensVidaProtocol/Coma%20Science%...
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Image decompression: Reconstructed LZW dictionary somewhat, not exactly matches original dictionary
I am attempting to reverse an animation format that uses (I think) some form of LZW for each of the frames.
I have determined that a 12-bit code is used throughout the image. Here is a short target ...
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Compress Xamarin assemblies after decompression
I have an APK that has assemblies in a single blob file. I could extract them successfully using decompress-assemblies.
Is there anyway I can compress them again into assemblies.blob file or at least ...
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What kind of compressing/encoding is this?
Currently, I am trying to understand .amxd file formats. I firstly tried to open it in VIM to see what this contains. Turns out there is a JSON file and others files also in the file (I can see PNG ...
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Unknown binary format of a b64-encoded list of doubles
While reverse engineering a database middleware. This is presumably encoding a list of double or float values with Base64 encoding and then compressing it.
Via zlib.decompress() I was able to ...
