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#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
set -eufx
function cleanup()
{
kill -term $SERVER
# release persistent handle
tpm2_evictcontrol -c ${HANDLE}
rm ek_rsa.ctx ak_rsa.ctx testcert.conf testcert.pem
}
# create EK
tpm2_createek -G rsa -c ek_rsa.ctx
# create AK with defined scheme/hash (RSA-PSS)
tpm2_createak -C ek_rsa.ctx -G rsa -g sha256 -s rsapss -c ak_rsa.ctx
# load the AK to persistent handle
HANDLE=$(tpm2_evictcontrol -c ak_rsa.ctx | cut -d ' ' -f 2 | head -n 1)
cat > testcert.conf << EOF
[ req ]
default_bits = 2048
encrypt_key = no
prompt = no
distinguished_name = cert_dn
x509_extensions = cert_ext
[ cert_dn ]
countryName = GB
commonName = Common Name
[ cert_ext ]
basicConstraints = critical, CA:FALSE
subjectAltName = @alt_names
[ alt_names ]
DNS.1 = localhost
EOF
# create a private key and then generate a self-signed certificate for it
openssl req -provider tpm2 -provider default -propquery '?provider=tpm2' \
-x509 -config testcert.conf -key handle:${HANDLE} -out testcert.pem
# display content of the certificate
openssl x509 -text -noout -in testcert.pem
# start SSL server with RSA-PSS-PSS signing, port 4432
openssl s_server -provider tpm2 -provider default -propquery '?provider=tpm2' \
-accept 4432 -www -key handle:${HANDLE} -cert testcert.pem &
SERVER=$!
trap "cleanup" EXIT
# start SSL client
curl --retry 5 --retry-connrefused --cacert testcert.pem https://localhost:4432/
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