!/bin/sh

read -p "Enter the SSH key: " ssh_key

# Check if the SSH key is in the correct format
if ! echo "$ssh_key" | grep -E '^ssh-([a-zA-Z0-9]+) ([A-Za-z0-9+/]+=*) ([A-Za-z0-9]+@[A-Za-z0-9]+)?$' > /dev/null; then
    echo "Invalid SSH key format."
    exit 1
fi

echo "Valid SSH key."