Updated README.md

README.md

 # Introduction 
 This project is a prototype of a encrypted recycle bin.
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 All files are encrypted with an random pin and they're also signed digitally.
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 The pin must not be outputed to the user nor saved anywere on the computer.
-The user, to recover the file, has 3 attempts to guess the pin of the file, if it fails to guess the pin the file gets deleted
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+The user, to recover the file, has 3 attempts to guess the pin of the file, if it fails to guess the pin the file gets deleted.
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 # Available Cyphers
 So far there is only one cypher implemented, AES-CBC
@@ -12,47 +16,75 @@ The hash it's only being used to generate a secure key to encrypt the file, the
 
 # Commands available
 restorefile
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 validatefile
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 setcypher
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 sethash
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 setenabled
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 showconfig
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 help
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 exit
 
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 # Restore a file
 restorefile [options]
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 -l               lists the encrypted files
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 -p <pin> <file>  tries to decrypt the file using the given pin
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 This command can only contain one of the options
 
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 # Validate a file
 validatefile [file]
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 The file can be an absolute path or if the file it's in the restored folder there's only the need to type the file name
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 The Signature (.sig) and Public Key (.pk) must be in the same directory of the file being checked
 
 # Settings
 setchypher [cypher] [keysize]
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 The keysize for now it's allways 16 as there is a problem with java that gives allways Ilegal Key Size even when the sizes are 24 or 32 (valid key sizes for AES-CBC)
 
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 sethash [hash]
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 For now only SHA256 is implemented and changing this setting will not have any impact on the software
 
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 setenabled [boolean]
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 Setting this setting to true or false will enable or disable the encryption process
 
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 # Other Commands
 help
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 This show in app help menu explaining all the commands
 
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 exit
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 Terminates the program and all it's threads
 
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 # TODO!
 CHECK FILE FallIntoOblivion.java line 301 (complete if else sequence)
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 CHECK FILE Helpers.java line 223          (follow instructions in TODO tag)
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 CHECK FILE Helpers.java line 258          (follow instructions in TODO tag)
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 Implement the decryption check on line 269 on file Helpers.java
 
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 # Build and Test
 To build and test, open the project using IntelliJ IDEA, Netbeans or other Java IDE and run the program
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