How to decrypt a file in ubuntu?

An decryption is the conversion of cipher data into plain data.It is not easily understood by unauthorized users.It is most important in wireless communications because wireless circuits are easier to tap than their hard-wired counterparts.An decryption algorithm uses key such as public key and private key to secure the data.





Open terminal using Applications ---> Accessories ---> Terminal (or) Press Ctrl + Alt + t.

Step 1 : Install the package ccrypt

         sudo apt-get install ccrypt

Step 2 : Run the command

          ccrypt -d filename.csv.cpt

Step 3 : Enter the key for decryption.

             Enter decryption key:

Your files has been decrypted successfully!