Things You'll Need
Instructions
Copy the PlayStation 3 keys and paste them into the User directory of your Cygwin folder. To copy the keys, right click the files and select ̶0;Copy.̶1; To paste the files, right click the User directory, then select ̶0;Paste.̶1;
Copy your EBOOT.bin file, then paste it into the User directory. Do the same for the PS3Tools program.
Run the Cygwin program. A window will open allowing you to enter commands.
Type ̶0;unself EBOOT.bin EBOOT.EFL̶1; and press ̶0;Enter.̶1; Cygwin will now begin to decrypt the EBOOT.bin file. The file will be decrypted into an .ELF format that you can load in to a standard compiler.