swtpm/tests/_test_swtpm_cert
Stefan Berger ac400260c0 tests: Refactor certificate creation tests
Refactor the certificate creation tests to
- create all needed keys and certs using openssl CLI tool
- accept input parameters passed to test script
- grep for more expected data in the created certificates
- verify the created certificate with the intermediate CA
- test signing with a secp521r1 key

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2026-06-03 14:20:15 -04:00

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#!/usr/bin/env bash
# For the license, see the LICENSE file in the root directory.
ROOT=${abs_top_builddir:-$(dirname "$0")/..}
TESTDIR=${abs_top_testdir:=$(dirname "$0")}
source "${TESTDIR}/common"
trap "cleanup" SIGTERM EXIT
function cleanup()
{
rm -f "${cert}" "${pwdfile}"
}
cert="$(mktemp)" || exit 1
pwdfile="$(mktemp)" || exit 1
function check_cert_size()
{
local cert="$1"
local exp="$2"
local size
size=$(get_filesize "${cert}")
if [ "$size" -ne "$exp" ]; then
echo "Warning: Certificate file has unexpected size."
echo " Expected: $exp; found: $size"
fi
}
COMMON=(
--signkey "${PARAM_SIGNKEY_ENCRYPTED}"
--issuercert "${PARAM_ISSUERCERT}"
--out-cert "${cert}"
--days 3650
--pem
--tpm-manufacturer IBM --tpm-model swtpm-libtpms --tpm-version 1.2
--tpm-spec-family 1.2 --tpm-spec-revision 123 --tpm-spec-level 321
)
if ! VARNAME=${PARAM_PASSWORD} ${SWTPM_CERT} \
"${COMMON[@]}" \
--signkey-pwd env:VARNAME \
--modulus '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';
then
echo "Error: ${SWTPM_CERT} returned error code."
exit 1
fi
check_cert_size "${cert}" 1395
# truncate result file
echo -n > "${cert}"
echo "Test 1: OK"
if ! ${SWTPM_CERT} \
"${COMMON[@]}" \
--signkey-pwd file:<(printf "%s" "${PARAM_PASSWORD}") \
--modulus 'b9dda830729de58f9f5bed2b3b9394ad4ec5afb9c390b89a3337250cbc575cfc8f31f7ffd3f05f4155076f7d1605381cd281b7f147b801154e4f89ee529fe36eae50f79561850e5b63037edaacbb390ea3fcd037e674fb179e3c5afe31214d78a756ca44cc6cf25421b51420ede548310c92b08a513ccc62fd0ef45dcf6546f6e865be6a661d045d1c47b60b428d11dc97cb9f35ee7c385bb20320934b015f8014e8fb19851c2af307e1e64648c142175e40b60615dc494fdb09ea5d5a6f3273b65a241e3cf30cc449b9fb3f900d1ed4be967b32b16f95a1d732dbfa143eaa1c2017556117f70faee5d77f836705d05405361ad5871a32161fa5a1234cfab497';
then
echo "Error: ${SWTPM_CERT} returned error code."
exit 1
fi
#expecting size to be constant
check_cert_size "${cert}" 1395
# truncate result file
echo -n > "${cert}"
echo "Test 2: OK"
if ! ${SWTPM_CERT} \
"${COMMON[@]}" \
--signkey-pwd "pass:${PARAM_PASSWORD}" \
--pubkey "${PARAM_RSAPUBKEY}";
then
echo "Error: ${SWTPM_CERT} returned error code."
exit 1
fi
check_cert_size "${cert}" 1460
# truncate result file
echo -n > "${cert}"
echo "Test 3: OK"
###################### Platform Certificate #####################
printf "%s" "${PARAM_PASSWORD}" > "${pwdfile}"
exec 100<"${pwdfile}"
if ! ${SWTPM_CERT} \
--type platform \
"${COMMON[@]}" \
--signkey-pwd fd:100 \
--pubkey "${PARAM_RSAPUBKEY}" \
--platform-manufacturer Fedora \
--platform-model QEMU \
--platform-version 2.1; then
echo "Error: ${SWTPM_CERT} returned error code."
exit 1
fi
#expecting size to be constant
check_cert_size "${cert}" 1489
# truncate result file
echo -n > "${cert}"
echo "Test 4: OK"