nDPId/scripts/gen-cacerts.sh
Toni Uhlig ce3470c804
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Fixed (some) issues reported by SonarCloud
- updated deprecated Github Actions checkout/upload-artifact

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
2026-05-14 09:39:16 +02:00

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2.2 KiB
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#!/usr/bin/env bash
printf 'usage: %s [out-dir] [client-cname] [server-cname]\n' "${0}"
if [[ -z "${1}" ]]; then
OUT_DIR="$(dirname ${0})/pki"
else
OUT_DIR="${1}"
fi
if [[ -z "${2}" ]]; then
CLIENT_CN="unknown"
else
CLIENT_CN="${2}"
fi
if [[ -z "${3}" ]]; then
SERVER_CN="unknown"
else
SERVER_CN="${3}"
fi
printf 'PKI Directory: %s\n' "${OUT_DIR}"
printf 'Client CName.: %s\n' "${CLIENT_CN}"
printf 'Server CName.: %s\n' "${SERVER_CN}"
set -e
set -x
OLDPWD="$(pwd)"
mkdir -p "${OUT_DIR}"
cd "${OUT_DIR}"
if [[ ! -r ./ca.key || ! -r ./ca.crt ]]; then
printf '%s\n' '[*] Create CA...'
openssl genrsa -out ./ca.key 4096
openssl req -x509 -new -nodes -key ./ca.key -sha256 -days 3650 -out ./ca.crt -subj "/CN=nDPId Root CA"
fi
if [[ ! -r ./server_${SERVER_CN}.key || ! -r ./server_${SERVER_CN}.crt ]]; then
printf '[*] Create Server Cert: %s\n' "${SERVER_CN}"
openssl genrsa -out ./server_${SERVER_CN}.key 2048
openssl req -new -key ./server_${SERVER_CN}.key -out ./server_${SERVER_CN}.csr -subj "/CN=${SERVER_CN}"
openssl x509 -req -in ./server_${SERVER_CN}.csr -CA ./ca.crt -CAkey ./ca.key -CAcreateserial \
-out ./server_${SERVER_CN}.crt -days 825 -sha256
fi
if [[ ! -r ./client_${CLIENT_CN}.key || ! -r ./client_${CLIENT_CN}.crt ]]; then
printf '[*] Create Client Cert: %s\n' "${CLIENT_CN}"
openssl genrsa -out ./client_${CLIENT_CN}.key 2048
openssl req -new -key ./client_${CLIENT_CN}.key -out ./client_${CLIENT_CN}.csr -subj "/CN=${CLIENT_CN}"
openssl x509 -req -in ./client_${CLIENT_CN}.csr -CA ./ca.crt -CAkey ./ca.key -CAcreateserial \
-out ./client_${CLIENT_CN}.crt -days 825 -sha256
fi
printf '%s\n' '[*] Done'
cd "${OLDPWD}"
set +x
printf '%s\n' 'To test the certs you may use OpenSSL and start a client/server with:'
printf 'openssl s_server -accept %s -cert %s -key %s -CAfile %s -Verify 1 -verify_return_error -tls1_3\n' \
"7777" \
"${OUT_DIR}/server_${SERVER_CN}.crt" "${OUT_DIR}/server_${SERVER_CN}.key" \
"${OUT_DIR}/ca.crt"
printf 'openssl s_client -connect 127.0.0.1:%s -cert %s -key %s -CAfile %s -verify_return_error -tls1_3\n' \
"7777" \
"${OUT_DIR}/client_${CLIENT_CN}.crt" "${OUT_DIR}/client_${CLIENT_CN}.key" \
"${OUT_DIR}/ca.crt"