diff --git a/.gitignore b/.gitignore
index 3598c30..e69de29 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +0,0 @@
-tests
\ No newline at end of file
diff --git a/bin/info-cert.sh b/bin/info-cert.sh
index e62d5c0..87b8e63 100755
--- a/bin/info-cert.sh
+++ b/bin/info-cert.sh
@@ -202,7 +202,7 @@ main(){
                         echo -e "${color}$cn expires in $daysLeft days ($expDate)${NC}"
                     done
                 else
-                    echo -e "\n${RED}The number of days must be between 1 and $days. See ./$(basename "$0") --help${NC}\n"
+                    echo -e "\n${RED}The number of days must be between 1 and $DAYS. See ./$(basename "$0") --help${NC}\n"
                 fi
             shift 2
             ;;
diff --git a/bin/random-cert.sh b/bin/random-cert.sh
deleted file mode 100755
index 95b767d..0000000
--- a/bin/random-cert.sh
+++ /dev/null
@@ -1,161 +0,0 @@
-#/bin/bash
-
-generate_cert() {
-    local CA_CRT=""
-    local CA_KEY=""
-    local COMMON_NAME=""
-    local DAYS="$DAYS"
-    local DNS=()
-    local IP_ADDRS=()
-
-    # parsing arguments
-    while [[ $# -gt 0 ]]; do
-        case "$1" in
-            -c) CA_CRT=$2.crt; CA_KEY=$2.key ;shift 2 ;;
-            -n) COMMON_NAME="$2"; shift 2 ;;
-            -d) DNS_LINE="$COMMON_NAME,$2"; shift 2 ;;
-            -i) IP_ADDRS_LINE=("$2"); shift 2 ;;
-            -t) DAYS="$2"; shift 2 ;;
-            *) echo "Option inconnue: $1"; return 1 ;;
-        esac
-    done
-    IFS=',' read -r -a IP_ADDRS <<< "$IP_ADDRS_LINE"
-    IFS=',' read -r -a DNS <<< "$DNS_LINE"
-    if [ "${#DNS[@]}" -eq 0 ]; then
-        DNS+="$COMMON_NAME"
-    fi
-
-    cat > "$CERTS_PATH/${COMMON_NAME}_openssl.cnf" << EOF
-[ req ]
-default_bits       = 2048
-distinguished_name = req_distinguished_name
-req_extensions     = req_ext
-prompt             = no
-
-[ req_distinguished_name ]
-CN = $COMMON_NAME
-
-[ req_ext ]
-subjectAltName = @alt_names
-
-[ alt_names ]
-EOF
-
-    # Add san dns"
-    idns=1
-    for SAN_DNS in "${DNS[@]}"; do
-        echo "DNS.$idns = $SAN_DNS" >> "$CERTS_PATH/${COMMON_NAME}_openssl.cnf"
-        ((idns++))
-    done
-
-    # add san ip
-    iip=1
-    for SAN_IP in "${IP_ADDRS[@]}"; do
-        echo "IP.$iip = $SAN_IP" >> "$CERTS_PATH/${COMMON_NAME}_openssl.cnf"
-        ((iip++))
-    done
-
-    # create certificate
-    echo -e "Generating the private key..."
-    openssl genrsa -out "${CERTS_PATH}/${COMMON_NAME}.key" 4096
-    
-    echo -e "Generating csr file..."
-    openssl req -new -key "${CERTS_PATH}/${COMMON_NAME}.key" -out "${CERTS_PATH}/${COMMON_NAME}.csr" -config "$CERTS_PATH/${COMMON_NAME}_openssl.cnf"
-    
-    echo -e "Signing the certificate with the CA..."
-    openssl x509 -req -in "${CERTS_PATH}/${COMMON_NAME}.csr" \
-        -CA "$CRT_CA_PATH/$CA_CRT" -CAkey "$KEY_CA_PATH/$CA_KEY" -CAcreateserial \
-        -out "${CERTS_PATH}/${COMMON_NAME}.crt" -days "$DAYS" \
-        -extensions req_ext -extfile "$CERTS_PATH/${COMMON_NAME}_openssl.cnf" \
-        -passin pass:pa55w0rd \
-        > /dev/null 2>&1
-    rc=$?
-    echo -n "Result of certificate signing: "    
-    check_rc $rc
-}
-
-# Fonction pour générer un FQDN
-gen_fqdn() {
-    local sub_len=$((RANDOM % 8 + 3))
-    local name_len=$((RANDOM % 13 + 3))
-
-    local sub=$(tr -dc 'a-z0-9' </dev/urandom | fold -w "$sub_len" | head -n 1)
-    local name=$(tr -dc 'a-z0-9' </dev/urandom | fold -w "$name_len" | head -n 1)
-
-    local tld=("com" "net" "org" "io" "ch" "fr")
-
-    echo "${sub}.${name}.${tld[$((RANDOM % ${#tld[@]}))]}"
-}
-
-# Fonction IP
-gen_ip() {
-    echo "$((RANDOM % 256)).$((RANDOM % 256)).$((RANDOM % 256)).$((RANDOM % 256))"
-}
-
-# Liste (fqdn ou ip)
-gen_list() {
-    local type=$1
-    local count=$((RANDOM % 3 + 3))
-    local list=""
-
-    for ((i=0; i<count; i++)); do
-        local item
-        [[ "$type" == "fqdn" ]] && item=$(gen_fqdn) || item=$(gen_ip)
-        list+="$item"
-        [[ $i -lt $((count-1)) ]] && list+=","
-    done
-    echo "$list"
-}
-############################################################
-# MAIN
-############################################################
-
-main(){
-    SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-    ROOT_DIR="$(dirname "$SCRIPT_DIR")"
-    
-# read library
-    source "$ROOT_DIR/lib/stdlib.sh"
-    
-# init config
-    init_default 
-    init_env
-    
-# set color
-    set_color
-    
-# check if script is run with sudo
-    check_sudo
-
-echo "Début de la génération..."
-
-for ((i=1; i<=10; i++)); do
-    args=()
-
-    fqdn=$(gen_fqdn)
-
-    # -d (50%)
-    if (( RANDOM % 2 )); then
-        args+=("-d" "$(gen_list fqdn)")
-    fi
-
-    # -i (50%)
-    if (( RANDOM % 2 )); then
-        args+=("-i" "$(gen_list ip)")
-    fi
-
-    # -t (50%)
-    if (( RANDOM % 2 )); then
-        args+=("-t" "$((RANDOM % $DAYS + 1))")
-    fi
-
-    echo "[$i/5] generate_cert -c gmolab_ca -n $fqdn ${args[*]}"
-
-    # Appel direct
-    generate_cert -c "gmolab_ca" -n "$fqdn" "${args[@]}"
-#    generate_cert -c gmolab_ca -n vwiy3rv1ui.6zghdqm1p8cj.io -d u0ba3i5rt.asfsdvrmf8iiltd.org,0sit366.w47txhyg.io,4ulkpy6.v39762sriaiy.com,zvw3o0ovee.gqv50o6ge6.io,a57v0x.rs8.net -i 161.21.147.75,81.67.128.79,81.54.192.190,95.116.177.195,13.111.172.161
-done
-
-echo "Génération terminée avec succès."
-}
-main "$@"
\ No newline at end of file
diff --git a/tests/random-cert.sh b/tests/random-cert.sh
new file mode 100755
index 0000000..ed32fc4
--- /dev/null
+++ b/tests/random-cert.sh
@@ -0,0 +1,247 @@
+#/bin/bash
+
+
+version=1.0.0
+
+usage() {
+    cat << EOF
+Usage: sudo ./$(basename "$0") options
+Template script
+Options:
+    -g, --generate <number_of_iterations>
+            Generate certificat
+    -p, --purge 
+            Remove all tests certificates
+    -h, --help      
+            Show this help 
+    -v, --version   
+            Show script version
+EOF
+}
+
+create_tempo_ca(){
+    if [ ! -f "${CRT_CA_PATH}/${CA_CRT}" ]; then
+        echo "Creation of a temporary CA"
+        SUBJ="/C=CH/ST=Vaud/L=Nyon/O=GMOLab/OU=IT/CN=TempoCA"
+        # generating the CA private key
+        openssl genrsa \
+                -aes256 \
+                -passout pass:pa55w0rd \
+                -out $KEY_CA_PATH/$CA_KEY \
+                4096
+        chmod 400 $KEY_CA_PATH/$CA_KEY
+
+        # generating the CA public key
+        openssl req -x509 \
+                -new \
+                -key $KEY_CA_PATH/$CA_KEY \
+                -passin pass:pa55w0rd \
+                -sha256 \
+                -days 3650 \
+                -out $CRT_CA_PATH/$CA_CRT \
+                -subj "$SUBJ"
+        chmod 444 $CRT_CA_PATH/$CA_CRT
+    fi
+}
+
+generate_cert() {
+    local CA_CRT=""
+    local CA_KEY=""
+    local COMMON_NAME=""
+    local DAYS="$DAYS"
+    local DNS=()
+    local IP_ADDRS=()
+
+    # parsing arguments
+    while [[ $# -gt 0 ]]; do
+        case "$1" in
+            -c) CA_CRT=$2.crt; CA_KEY=$2.key ;shift 2 ;;
+            -n) COMMON_NAME="$2"; shift 2 ;;
+            -d) DNS_LINE="$COMMON_NAME,$2"; shift 2 ;;
+            -i) IP_ADDRS_LINE=("$2"); shift 2 ;;
+            -t) DAYS="$2"; shift 2 ;;
+            *) echo "Option inconnue: $1"; return 1 ;;
+        esac
+    done
+    IFS=',' read -r -a IP_ADDRS <<< "$IP_ADDRS_LINE"
+    IFS=',' read -r -a DNS <<< "$DNS_LINE"
+    if [ "${#DNS[@]}" -eq 0 ]; then
+        DNS+="$COMMON_NAME"
+    fi
+
+    cat > "$CERTS_PATH/${COMMON_NAME}_openssl.cnf" << EOF
+[ req ]
+default_bits       = 2048
+distinguished_name = req_distinguished_name
+req_extensions     = req_ext
+prompt             = no
+
+[ req_distinguished_name ]
+CN = $COMMON_NAME
+
+[ req_ext ]
+subjectAltName = @alt_names
+
+[ alt_names ]
+EOF
+
+    # Add san dns"
+    idns=1
+    for SAN_DNS in "${DNS[@]}"; do
+        echo "DNS.$idns = $SAN_DNS" >> "$CERTS_PATH/${COMMON_NAME}_openssl.cnf"
+        ((idns++))
+    done
+
+    # add san ip
+    iip=1
+    for SAN_IP in "${IP_ADDRS[@]}"; do
+        echo "IP.$iip = $SAN_IP" >> "$CERTS_PATH/${COMMON_NAME}_openssl.cnf"
+        ((iip++))
+    done
+
+    # create certificate
+    echo -e "Generating the private key..."
+    openssl genrsa -out "${CERTS_PATH}/${COMMON_NAME}.key" 4096
+    
+    echo -e "Generating csr file..."
+    openssl req -new -key "${CERTS_PATH}/${COMMON_NAME}.key" -out "${CERTS_PATH}/${COMMON_NAME}.csr" -config "$CERTS_PATH/${COMMON_NAME}_openssl.cnf"
+    
+    echo -e "Signing the certificate with the CA..."
+    openssl x509 -req -in "${CERTS_PATH}/${COMMON_NAME}.csr" \
+        -CA "$CRT_CA_PATH/$CA_CRT" -CAkey "$KEY_CA_PATH/$CA_KEY" -CAcreateserial \
+        -out "${CERTS_PATH}/${COMMON_NAME}.crt" -days "$DAYS" \
+        -extensions req_ext -extfile "$CERTS_PATH/${COMMON_NAME}_openssl.cnf" \
+        -passin pass:pa55w0rd \
+        > /dev/null 2>&1
+    rc=$?
+    echo -n "Result of certificate signing: "    
+    check_rc $rc
+}
+
+# Fonction pour générer un FQDN
+gen_fqdn() {
+    local sub_len=$((RANDOM % 8 + 3))
+    local name_len=$((RANDOM % 13 + 3))
+
+    local sub=$(tr -dc 'a-z0-9' </dev/urandom | fold -w "$sub_len" | head -n 1)
+    local name=$(tr -dc 'a-z0-9' </dev/urandom | fold -w "$name_len" | head -n 1)
+
+    local tld=("com" "net" "org" "io" "ch" "fr")
+
+    echo "tempo-${sub}.${name}.${tld[$((RANDOM % ${#tld[@]}))]}"
+}
+
+# Fonction IP
+gen_ip() {
+    echo "$((RANDOM % 256)).$((RANDOM % 256)).$((RANDOM % 256)).$((RANDOM % 256))"
+}
+
+# Liste (fqdn ou ip)
+gen_list() {
+    local type=$1
+    local count=$((RANDOM % 3 + 3))
+    local list=""
+
+    for ((i=0; i<count; i++)); do
+        local item
+        [[ "$type" == "fqdn" ]] && item=$(gen_fqdn) || item=$(gen_ip)
+        list+="$item"
+        [[ $i -lt $((count-1)) ]] && list+=","
+    done
+    echo "$list"
+}
+############################################################
+# MAIN
+############################################################
+
+main(){
+    SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+    ROOT_DIR="$(dirname "$SCRIPT_DIR")"
+    NAME_CA="tempo_ca"
+    CA_CRT="${NAME_CA}.crt"
+    CA_KEY="${NAME_CA}.key"
+
+# read library
+    source "$ROOT_DIR/lib/stdlib.sh"
+
+# check if param exist
+    if [ -z "$1" ]; then
+        usage
+        exit 1
+    fi    
+# init config
+    init_default 
+    init_env
+    
+# set color
+    set_color
+    
+# check if script is run with sudo
+    check_sudo
+
+    while [[ "$#" -gt 0 ]]; do
+        case "$1" in
+            -g|--generate )
+                # check if param $2 exist
+                if [ -z "$2" ]; then
+                    echo -e "\n${RED}Error: Argument missing for option -g or --generate${NC}\n"
+                    usage
+                    exit 1
+                elif [[ "$2" =~ ^[0-9]+$ ]] && [ "$2" -ge 1 ] && [ "$2" -le "500" ]; then
+                    create_tempo_ca
+                    for ((i=1; i<=$2; i++)); do
+                        args=()
+                        fqdn=$(gen_fqdn)
+        
+                        # -d (50%)
+                        if (( RANDOM % 2 )); then
+                            args+=("-d" "$(gen_list fqdn)")
+                        fi
+                
+                        # -i (50%)
+                        if (( RANDOM % 2 )); then
+                            args+=("-i" "$(gen_list ip)")
+                        fi
+                
+                        # -t (50%)
+                        if (( RANDOM % 2 )); then
+                            args+=("-t" "$((RANDOM % $DAYS + 1))")
+                        fi
+                
+                        echo "[$i/$2] generate_cert -c tempo_ca -n $fqdn ${args[*]}"
+                
+                        # Appel direct
+                        generate_cert -c "tempo_ca" -n "$fqdn" "${args[@]}"
+                    #    generate_cert -c gmolab_ca -n vwiy3rv1ui.6zghdqm1p8cj.io -d u0ba3i5rt.asfsdvrmf8iiltd.org,0sit366.w47txhyg.io,4ulkpy6.v39762sriaiy.com,zvw3o0ovee.gqv50o6ge6.io,a57v0x.rs8.net -i 161.21.147.75,81.67.128.79,81.54.192.190,95.116.177.195,13.111.172.161
+                    done 
+                fi
+                shift 2
+            ;; 
+            -p|purge)
+                yes_no "Are you sure to delete all tempo certificates"
+                rm -rf "${CERTS_PATH}/tempo-"*
+                rm -rf "${CRT_CA_PATH}/${CA_CRT}"
+                rm -rf "${CRT_CA_PATH}/${NAME_CA}.srl"
+                rm -rf "${KEY_CA_PATH}/${CA_KEY}"
+                shift
+            ;;   
+            -v|--version)
+                cat << EOF       
+$(basename "$0") $version Copyright (C) 2003 - $(date +%Y) Gilles Mouchet
+EOF
+                exit
+            ;;
+            *|-h|--help)
+                usage
+                exit
+            ;;
+       esac
+    done
+
+
+
+
+
+
+}
+main "$@"
\ No newline at end of file