# If needed, run locally: https://github.com/gchq/CyberChef

# Create a temporary file random name and open it with vi
function tmp {
    curran=$RANDOM$RANDOM
    echo "Temporary file name: /tmp/$curran"
    vi /tmp/$curran
}

# Show certificate of website
function chkcrt {
    # check ssl certificate of a server
    openssl s_client -showcerts -connect $1:$2
}

# Quickly get random characters
function rnd {
    # get some random characters
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-8};echo;
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-16};echo;
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-32};echo;
    cat /dev/urandom | tr -dc _A-Z-a-z-0-9.,! | head -c${1:-64};echo;
}