diff --git a/makerelease.sh b/makerelease.sh
new file mode 100755
index 0000000..b0d6b33
--- /dev/null
+++ b/makerelease.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+declare -r VERSION=${1}
+declare -r MESSAGE=${2}
+declare -r TAGBRANCH=main
+declare CURRENTBRANCH=""
+
+showHelp() {
+	echo makerelease version
+}
+
+if [ "${VERSION}" == "" ]; then
+	showHelp
+	echo ""
+	echo "no version provided!"
+	exit 1
+fi
+
+CURRENTBRANCH=$(git rev-parse --abbrev-ref HEAD)
+
+if [ ! "${CURRENTBRANCH}" == "dev" ]; then
+	echo "You are not in dev branch!"
+	echo "Use dev branch to make a release!"
+	exit 1
+fi
+
+git checkout "${TAGBRANCH}"
+git merge "${CURRENTBRANCH}"
+git push
+git tag -a "${VERSION}" -m "${MESSAGE}"
+git push --tags
+git checkout "${CURRENTBRANCH}"
diff --git a/mtm-ddwipe b/mtm-ddwipe
new file mode 100755
index 0000000..a9db973
--- /dev/null
+++ b/mtm-ddwipe
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+declare -r DEV="${1}"
+
+show_help() {
+        echo "ddwipe dev (/dev/sdX)"
+        echo ""
+        echo "Version : 0.0.3"
+}
+
+check_args() {
+        if [ "${1}" == "" ]; then
+                show_help
+                exit 1
+        fi
+}
+
+check_dev_exist() {
+        if [ ! -e "${1}" ]; then
+                echo "${1} is missing."
+                exit 1
+        fi
+}
+
+confirm_wipe() {
+        lsblk "${1}"
+        echo ""
+        read -r -p "Wipe ${1} (y/[n])?" CHOICE
+        case "${CHOICE}" in 
+                y|Y ) echo "";;
+                * )
+                        echo "Canceled"
+                        exit 1
+                ;;
+        esac
+}
+
+wipe_dev() {
+        echo "Begin wiping device ${1}"
+        echo ""
+        echo "Start date :"
+        date
+        echo ""
+        echo "blkdiscard secure"
+        if ! blkdiscard -f -p 1G -s "${1}"; then
+                echo ""
+                echo "blkdiscard zero"
+                if ! blkdiscard -f -p 1G -z "${1}"; then
+                        echo ""
+                        echo "dd zero"
+                        if ! dd if=/dev/zero of="${1}" bs=1M status=progress; then
+                                # Need check if dd has all writed, if yes, return no error
+                                # echo "Error wiping device ${1}, use phisical destroy !"
+                                echo "Wiped with dd, check if full size is writed."
+                                echo "Otherwise use a mechanical destruction of the device."
+                                print_time
+                                exit 1
+                        fi
+                fi
+        fi
+        echo ""
+        echo "Device ${1} wipped !"
+}
+
+print_time() {
+        ENDDATE=$(date +%s)
+        echo ""
+        echo "End date :"
+        date
+
+        CALCTIME=$((ENDDATE-STARTDATE))
+        echo ""
+        echo "Total time :"
+        date -d@${CALCTIME} -u +%H:%M:%S
+}
+
+check_args "${DEV}"
+check_dev_exist "${DEV}"
+confirm_wipe "${DEV}"
+STARTDATE=$(date +%s)
+wipe_dev "${DEV}"
+print_time