[RELEASE] NSScreenshotMaker

Discussion in 'Switch - Exploits, Custom Firmwares & Soft Mods' started by cheuble, Apr 11, 2018.

  1. cheuble
    OP

    cheuble Marieism™

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    NSScreenshotMaker

    NSScreenshotMaker is a tool that will allow you to sign images for the Nintendo Switch. The Switch has an album function to view your screenshots, but it can't read images you put yourself on the SD card.
    This tool's purpose is to sign any image so the Switch can read it. I don't really see any use for it, but eh, some people want it ¯\_(ツ)_/¯

    Requirements
    • The Nintendo Switch capsrv screenshot HMAC secret key
    • Python3
    • PIL
    • piexif
    • A FAT32 formatted SD card (ExFat doesn't work at the moment)
    You might otherwise use the exe file which doesn't need those requirements (except for the key and the SD card). Your antivirus may block it though.

    Usage
    • Find the "Nintendo Switch capsrv screenshot HMAC secret" key (Can't share it here for legal reasons). Either save it in a key.bin file (A .bin file is a binary file, so don't use a text editor, use a hex editor like HxD), or pass it as an argument when running the program.
    • Create an "input" folder, and put your images in it. Images can be all sizes and formats that PIL supports.
    • Download the program and run it. It should output an "SD" folder. Extract its content to the root of your Switch's SD card.
    History

    • 1.0.2
      • Added optional arguments for input and output folders
      • Added verification for the key
      • Fixed a bug regarding the "Archive bit" for some users on Windows
    • 1.0.1
      • Fixed a bug regarding thumbnails being too large
    • 1.0.0
      • Initial release
    License
    This project is licensed under the MIT License. See the LICENSE.md file for details.

    Thanks
    Downloads
     
    Last edited by cheuble, Apr 20, 2018
  2. Mnecraft368

    Mnecraft368 GBAtemp Advanced Maniac

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    Been wanting this :D thanks
     
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  3. Kubas_inko

    Kubas_inko "Something funny goes here."

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    I gues on earth.
    Can read images -> can read corrupted images -> can hack. Muhahahaha.
     
  4. Mnecraft368

    Mnecraft368 GBAtemp Advanced Maniac

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    SciresM already discounted that.
     
    Last edited by Mnecraft368, Apr 11, 2018
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  5. jjbredesen

    jjbredesen Developer

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    Great job! Although relatively useless, I am sure this can be used for exploits in the future!
     
  6. SuinkaiVS

    SuinkaiVS GBAtemp Regular

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    OMG Thank you so much! I've been waiting this since i bought the console! :D
     
  7. Taffy

    Taffy If specified, this will replace the title that...

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    ...How do I get this "HMAC" key? Do I dump it myself? Search the internet?

    ...what is it ._.

    Also, this is cool. I've wanted to put things in my album for a while...
     
  8. SuinkaiVS

    SuinkaiVS GBAtemp Regular

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    "sciresM pastebin" i can't say more :ninja:
     
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  9. cheuble
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    cheuble Marieism™

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    You can find it on SciresM's pastebin. I can't link here so you'll have to Google it.
     
  10. jjbredesen

    jjbredesen Developer

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    http://bfy.tw/Hasc
     
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  11. SuinkaiVS

    SuinkaiVS GBAtemp Regular

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    any specific resolution? i tried a few images but only 3 show on the album and none displays...
     
  12. Mnecraft368

    Mnecraft368 GBAtemp Advanced Maniac

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    Make this for videos and I can finally download an entire of series of anime, through pirated legit methods, and watch it on my switch :D

    — Posts automatically merged - Please don't double post! —

    I quickly made a 720p image (resolution of switch images) and I am about to test it. Will tell you if it works.
     
  13. YTElias

    YTElias Ashley

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    actually cool now people can watch anime on the go:toot:
     
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  14. cheuble
    OP

    cheuble Marieism™

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    Seems weird, the resolution shouldn't matter, but try with 1280x720.
    The video thing isn't documented yet so I can't atm :/
     
  15. Mnecraft368

    Mnecraft368 GBAtemp Advanced Maniac

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    Works fine.
    I reccomend using something like gimp to make a 1280x720 image and put another image ontop of it to make it appear.
     

    Attached Files:

    cheuble likes this.
  16. Xenon Hacks

    Xenon Hacks GBAtemp Guru

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    Would be funny if this enabled a ChickHEN type exploit further down the line
     
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  17. Taffy

    Taffy If specified, this will replace the title that...

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    OP didn't state if it was something we search for online or dump ourselves...but yeah that should've been my first instinct lol
     
  18. jjbredesen

    jjbredesen Developer

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    No worries haha, I was going to write out a long math riddle for you to solve to get the key, but I gave up once I got to digit 20 :P
     
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  19. Mnecraft368

    Mnecraft368 GBAtemp Advanced Maniac

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    Seems that if the image is too large it wont be able to convert it.
    No HD images for us D:

    Nothing Gimp cant fix though :)
     

    Attached Files:

  20. YTElias

    YTElias Ashley

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    :unsure:No HD Images from Anime though
     
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