1#!/bin/sh 2# 3# Copyright The Mbed TLS Contributors 4# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 5# 6# This file is provided under the Apache License 2.0, or the 7# GNU General Public License v2.0 or later. 8# 9# ********** 10# Apache License 2.0: 11# 12# Licensed under the Apache License, Version 2.0 (the "License"); you may 13# not use this file except in compliance with the License. 14# You may obtain a copy of the License at 15# 16# http://www.apache.org/licenses/LICENSE-2.0 17# 18# Unless required by applicable law or agreed to in writing, software 19# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 20# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 21# See the License for the specific language governing permissions and 22# limitations under the License. 23# 24# ********** 25# 26# ********** 27# GNU General Public License v2.0 or later: 28# 29# This program is free software; you can redistribute it and/or modify 30# it under the terms of the GNU General Public License as published by 31# the Free Software Foundation; either version 2 of the License, or 32# (at your option) any later version. 33# 34# This program is distributed in the hope that it will be useful, 35# but WITHOUT ANY WARRANTY; without even the implied warranty of 36# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37# GNU General Public License for more details. 38# 39# You should have received a copy of the GNU General Public License along 40# with this program; if not, write to the Free Software Foundation, Inc., 41# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 42# 43# ********** 44 45set -eu 46 47: ${OPENSSL:=openssl} 48NB=20 49 50OPT="-days 3653 -sha256" 51 52# generate self-signed root 53$OPENSSL ecparam -name prime256v1 -genkey -out 00.key 54$OPENSSL req -new -x509 -subj "/C=UK/O=mbed TLS/CN=CA00" $OPT \ 55 -key 00.key -out 00.crt 56 57# cXX.pem is the chain starting at XX 58cp 00.crt c00.pem 59 60# generate long chain 61i=1 62while [ $i -le $NB ]; do 63 UP=$( printf "%02d" $((i-1)) ) 64 ME=$( printf "%02d" $i ) 65 66 $OPENSSL ecparam -name prime256v1 -genkey -out ${ME}.key 67 $OPENSSL req -new -subj "/C=UK/O=mbed TLS/CN=CA${ME}" \ 68 -key ${ME}.key -out ${ME}.csr 69 $OPENSSL x509 -req -CA ${UP}.crt -CAkey ${UP}.key -set_serial 1 $OPT \ 70 -extfile int.opensslconf -extensions int \ 71 -in ${ME}.csr -out ${ME}.crt 72 73 cat ${ME}.crt c${UP}.pem > c${ME}.pem 74 75 rm ${ME}.csr 76 i=$((i+1)) 77done 78