| #!/bin/sh |
| # |
| # Copyright The Mbed TLS Contributors |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| # not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| set -eu |
| |
| : ${OPENSSL:=openssl} |
| NB=20 |
| |
| OPT="-days 3653 -sha256" |
| |
| # generate self-signed root |
| $OPENSSL ecparam -name prime256v1 -genkey -out 00.key |
| $OPENSSL req -new -x509 -subj "/C=UK/O=mbed TLS/CN=CA00" $OPT \ |
| -key 00.key -out 00.crt |
| |
| # cXX.pem is the chain starting at XX |
| cp 00.crt c00.pem |
| |
| # generate long chain |
| i=1 |
| while [ $i -le $NB ]; do |
| UP=$( printf "%02d" $((i-1)) ) |
| ME=$( printf "%02d" $i ) |
| |
| $OPENSSL ecparam -name prime256v1 -genkey -out ${ME}.key |
| $OPENSSL req -new -subj "/C=UK/O=mbed TLS/CN=CA${ME}" \ |
| -key ${ME}.key -out ${ME}.csr |
| $OPENSSL x509 -req -CA ${UP}.crt -CAkey ${UP}.key -set_serial 1 $OPT \ |
| -extfile int.opensslconf -extensions int \ |
| -in ${ME}.csr -out ${ME}.crt |
| |
| cat ${ME}.crt c${UP}.pem > c${ME}.pem |
| |
| rm ${ME}.csr |
| i=$((i+1)) |
| done |