alexhe

## decrypting-dlink-proprietary-firmware-images.md

      
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                nstarke
                / decrypting-dlink-proprietary-firmware-images.md
            
            
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              July 19, 2024 02:47
            
              
                Decrypting DLINK Proprietary Firmware Images
              
          
    Decrypting DLINK Proprietary Firmware Images

The DIR-3040 models of DLINK routers feature encrypted firmware images in the most recent versions of the firmware. https://support.dlink.com/ProductInfo.aspx?m=DIR-3040-US details the firmware images available for this product.

1.11B02 - ftp://ftp2.dlink.com/PRODUCTS/DIR-3040/REVA/DIR-3040_REVA_FIRMWARE_v1.11B02.zip
1.02B03 - ftp://ftp2.dlink.com/PRODUCTS/DIR-3040/REVA/DIR-3040_REVA_FIRMWARE_v1.02B03.zip

Unzipping the first reveals two files:

DIR-3040_REVA_RELEASE_NOTES_v1.11B02.pdf


## aes-256-cbc.md

      
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                chengen
                / aes-256-cbc.md
            
            
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              February 16, 2025 21:59
            
              
                Using AES-256-CBC with openssl and nodejs with or whiout salt
              
          
    Ecrypt data using aes-256-cbc without salt

$ echo  'this is hello world'  | openssl  aes-256-cbc -a -nosalt -k hello
HEQ/s/mOMof648tJxJvvwtHUTcq2j021RbgvqLA02lY=
-a means encoding the output using base64
-nosalt force openssl do encryption without salt
-k the encryption key


## v8.md

      
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                kevincennis
                / v8.md
            
            
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              October 7, 2025 21:46
            
              
                V8 Installation and d8 shell usage
              
          
    Installing V8 on a Mac

Prerequisites


Install Xcode (Avaliable on the Mac App Store)
Install Xcode Command Line Tools (Preferences > Downloads)
Install depot_tools

$ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
$ nano ~/.zshrc
Add path=('/path/to/depot_tools' $path)