diff --git a/custom_tls_cert_gen/generate-custom-tls.sh b/custom_tls_cert_gen/generate-custom-tls.sh
index 4ea63ea..3a9cf7d 100755
--- a/custom_tls_cert_gen/generate-custom-tls.sh
+++ b/custom_tls_cert_gen/generate-custom-tls.sh
@@ -8,7 +8,19 @@ INPUT_COLOR='\033[0;33m';
 NO_COLOR='\033[0m';
 
 
-read -p "$(echo -e ${INPUT_COLOR}Specify the output path: ${NO_COLOR})" OUTPUT_PATH
+function print_highlight() {
+  printf "${HIGHLIGHT_COLOR}$1${NO_COLOR}\n"
+}
+
+function print_error() {
+  printf "${ERROR_COLOR}$1${NO_COLOR}\n"
+}
+
+function input() {
+  read -p "$(echo -e ${INPUT_COLOR}$1 ${NO_COLOR})" $2
+}
+
+input "Specify the output path:" OUTPUT_PATH
 
 if [ -z "$OUTPUT_PATH" ]; then
   OUTPUT_PATH="$(pwd)/output"
@@ -19,55 +31,57 @@ if [ -z "$OUTPUT_PATH" ]; then
 fi
 
 if [[ ! -e "$OUTPUT_PATH" ]]; then 
-  printf "${ERROR_COLOR}${OUTPUT_PATH} doesn't exist.\n";
+  print_error "${OUTPUT_PATH} doesn't exist."
   exit;
 fi
 
-read -p "Do you have cfssl installed?(y/n): " is_cfssl_installed
+input "Do you have cfssl installed?(y/n): " is_cfssl_installed
 
 CFSSLEXE=${OUTPUT_PATH}/cfssl
 CFSSLJSONEXE=${OUTPUT_PATH}/cfssljson
 
 if [[ "${is_cfssl_installed}" == "y" || "${is_cfssl_installed}" == "Y" ]]; then 
-  read -p "Specify the path where the cfssl and cfssljson are placed: " TOOL_PATH
+  input "Specify the path where the cfssl and cfssljson are placed: " TOOL_PATH
 
   CFSSLEXE=${TOOL_PATH}/cfssl
   CFSSLJSONEXE=${TOOL_PATH}/cfssljson
 
-  printf "${HIGHLIGHT_COLOR}Your cfssl binary path is ${CFSSLEXE}${NO_COLOR}\n"
+  print_highlight "Your cfssl binary path is ${CFSSLEXE}"
 
   if [ ! -e "$CFSSLEXE" ]; then
-      printf "${ERROR_COLOR}no cfssl found.\n";
+      print_error "no cfssl found."
       exit;
   fi
 
   if [ ! -e "$CFSSLJSONEXE" ]; then
-      printf "${ERROR_COLOR}no cfssljson found.\n";
+      print_error "no cfssljson found."
       exit;
   fi
 
 else
   # Download the cfssl for users
-  read -p "Specify your platform(darwin/linux/windows): " PLATFORM  
+  input "Specify your platform(darwin/linux/windows): " PLATFORM  
 
-  if [ -Z "$PLATFORM" ]; then 
-    printf "${ERROR_COLOR}Platform must be provided.\n";
+  if [ -z "$PLATFORM" ]; then 
+    print_error "Platform must be provided."
     exit;
   fi
 
-  printf "${HIGHLIGHT_COLOR}Only amd64 is supported${NO_COLOR}\n"
+  print_highlight "Only amd64 is supported"
 
   wget "https://github.com/cloudflare/cfssl/releases/download/v1.6.1/cfssl_1.6.1_${PLATFORM}_amd64" -O "${OUTPUT_PATH}/cfssl"
   chmod +x "${OUTPUT_PATH}/cfssl"
   wget "https://github.com/cloudflare/cfssl/releases/download/v1.6.1/cfssljson_1.6.1_${PLATFORM}_amd64" -O "${OUTPUT_PATH}/cfssljson"
   chmod +x "${OUTPUT_PATH}/cfssljson"
 
-  printf "${HIGHLIGHT_COLOR}Download the cfssl bundle successfully.${NO_COLOR}\n"
+  print_highlight "Download the cfssl bundle successfully."
 fi
 
 cd $OUTPUT_PATH
 
-${CFSSLEXE} print-defaults csr | ${CFSSLEXE} gencert -initca - | ${CFSSLJSONEXE} -bare ldap-ca 
+input "Give a name to the CA certificate: " CA_CERT_NAME
+
+${CFSSLEXE} print-defaults csr | ${CFSSLEXE} gencert -initca - | ${CFSSLJSONEXE} -bare ${CA_CERT_NAME}-ca 
 
 CONFIG_CFSSL_JSON=${OUTPUT_PATH}/cfssl.json
 
@@ -82,11 +96,11 @@ cat <<EOF >> ${CONFIG_CFSSL_JSON}
 }
 EOF
 
-read -p "Give a name to the certificate: " CERT_NAME
+input "Give a name to the certificate: " CERT_NAME
 
-read -p "Input the hostname(example.org,127.0.0.1): " CERT_HOSTNAME
+input "Input the hostname(example.org,127.0.0.1): " CERT_HOSTNAME
 
 echo '{}' | ${CFSSLEXE} gencert -ca=ldap-ca.pem -ca-key=ldap-ca-key.pem -config=${CONFIG_CFSSL_JSON} \
     -hostname="${CERT_HOSTNAME}" - | ${CFSSLJSONEXE} -bare ${CERT_NAME}
 
-printf "${HIGHLIGHT_COLOR}The custom TLS certificates are successfully generated in the path ${OUTPUT_PATH}.${NO_COLOR}\n"
\ No newline at end of file
+print_highlight "The custom TLS certificates are successfully generated in the path ${OUTPUT_PATH}."