openssl utility script for adding users

adduser.sh

#!/bin/bash

EXPECTED_ARGS=2

if [ $# -ne $EXPECTED_ARGS ]
then
        echo $'Usage: \n\tadduser <name> <CA>'
        echo $'\tWhere <name>.csr, <name>.pem, and <name>.key exist\n'
        exit 0
else

        if [ ! -e $1.key ]
        then
                # Generate private key and csr
                echo "Generating private key..."
                openssl genrsa -des3 -out $1.key 2048 # 3DES??? Not sure where this came from
        else
                echo ".key already exists..."
        fi

        if [ ! -e $1.csr ]
        then
                # Generate csr
                echo "Generating CSR..."
                openssl req -new -key $1.key -out $1.csr
        else
                echo ".csr already exists..."
        fi


        if [ ! -e $1.crt ]
        then
                # If crt does not exist, create
                echo "Creating $1.crt..."
                openssl x509 -req -in $1.csr -out $1.crt -sha1 -CA $2.pem -CAkey $2.key -CAcreateserial -days 365
        else
        # else, print out msg
                echo "$1.crt already exists, creating p12..."

        fi

        if [ ! -e $1.p12 ]
        then
                # IF crt does not exist, create
                echo "Creating $1.p12"
                openssl pkcs12 -export -in $1.crt -inkey $1.key -name "$1 Cert" -out $1.p12
        else
                echo "$1.p12 already exists, nothing to do..."
        fi
        # If .p12 does not exist, create

        # else, print out message
fi