ssh_security_check.sh

#!/bin/bash

# This is a script that checks for encryption on your ssh key
# Its purpose is to verify the security of your keys
# It also will help you encrypt your current ssh key should you desire

while [[ ! -f $ssh_key ]]; do
  echo -n "Enter the path to your private ssh key ($HOME/.ssh/id_rsa): "
  read user_input

  if [[ -n "$user_input" ]]; then
    ssh_key=$user_input
  else
    ssh_key="$HOME/.ssh/id_rsa"
  fi
  if [[ ! -f $ssh_key ]]; then
    echo "Could not locate file. Please user format: $HOME/location/to/your_ssh_key and verify the file exists."
  fi
done

echo "Using $ssh_key"

if [[ $(grep ENCRYPTED $ssh_key) ]]; then
  echo "Success! You have an encrpyted ssh key!"
else
  echo "Uh oh. Looks like you don't have an encrypted ssh key."
  echo -n "Would you like to fix that by adding a password? [Y/N]: "
  read user_input
  if [ $user_input == 'Y' ] || [ $user_input == 'y' ]; then
    echo "Awesome! Please follow the commands:"
    ssh-keygen -p -f $ssh_key
    echo "ssh-agent makes it so your password is only required once."
    ssh-agent
  else
    echo "Ok thank you for running the script. Quitting..."
  fi
fi