script to generate key

mkkeys.sh

+#!/bin/bash
+# Copyright (c) 2015 by Roderick W. Smith
+# Licensed under the terms of the GPL v3
+
+echo -n "Enter a Common Name to embed in the keys: "
+read NAME
+
+openssl req -new -x509 -newkey rsa:2048 -subj "/CN=$NAME PK/" -keyout PK.key \
+        -out PK.crt -days 3650 -nodes -sha256
+openssl req -new -x509 -newkey rsa:2048 -subj "/CN=$NAME KEK/" -keyout KEK.key \
+        -out KEK.crt -days 3650 -nodes -sha256
+openssl req -new -x509 -newkey rsa:2048 -subj "/CN=$NAME DB/" -keyout DB.key \
+        -out DB.crt -days 3650 -nodes -sha256
+openssl x509 -in PK.crt -out PK.cer -outform DER
+openssl x509 -in KEK.crt -out KEK.cer -outform DER
+openssl x509 -in DB.crt -out DB.cer -outform DER
+
+GUID=`python3 -c 'import uuid; print(str(uuid.uuid1()))'`
+echo $GUID > myGUID.txt
+
+cert-to-efi-sig-list -g $GUID PK.crt PK.esl
+cert-to-efi-sig-list -g $GUID KEK.crt KEK.esl
+cert-to-efi-sig-list -g $GUID DB.crt DB.esl
+rm -f noPK.esl
+touch noPK.esl
+
+sign-efi-sig-list -t "$(date --date='1 second' +'%Y-%m-%d %H:%M:%S')" \
+                  -k PK.key -c PK.crt PK PK.esl PK.auth
+sign-efi-sig-list -t "$(date --date='1 second' +'%Y-%m-%d %H:%M:%S')" \
+                  -k PK.key -c PK.crt PK noPK.esl noPK.auth
+sign-efi-sig-list -t "$(date --date='1 second' +'%Y-%m-%d %H:%M:%S')" \
+                  -k PK.key -c PK.crt KEK KEK.esl KEK.auth
+sign-efi-sig-list -t "$(date --date='1 second' +'%Y-%m-%d %H:%M:%S')" \
+                  -k KEK.key -c KEK.crt db DB.esl DB.auth
+
+chmod 0600 *.key
+
+echo ""
+echo ""
+echo "For use with KeyTool, copy the *.auth and *.esl files to a FAT USB"
+echo "flash drive or to your EFI System Partition (ESP)."
+echo "For use with most UEFIs' built-in key managers, copy the *.cer files;"
+echo "but some UEFIs require the *.auth files."
+echo ""