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/* SPDX-License-Identifier: BSD-2-Clause */
/*******************************************************************************
* Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
* All rights reserved.
*******************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include "tss2_esys.h"
#include "esys_iutil.h"
#include "test-esapi.h"
#define LOGMODULE test
#include "util/log.h"
#include "util/aux_util.h"
/** Test the commands Esys_PCR_SetAuthValue and Esys_PCR_SetAuthPolicy.
*
*\b Note: platform authorization needed.
*
* Tested ESAPI commands:
* - Esys_PCR_SetAuthPolicy() (O)
* - Esys_PCR_SetAuthValue() (O)
*
* @param[in,out] esys_context The ESYS_CONTEXT.
* @retval EXIT_FAILURE
* @retval EXIT_SKIP
* @retval EXIT_SUCCESS
*/
int
test_esys_pcr_auth_value(ESYS_CONTEXT * esys_context)
{
TSS2_RC r;
int failure_return = EXIT_FAILURE;
/*
* PCR register 20 belongs to the policy group and the auth value group.
* PCRs of these groups can be used for SetAuthValue and SetAuthPolicy.
*/
ESYS_TR pcrHandle_handle = 20;
TPM2B_DIGEST auth = {
.size = 20,
.buffer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
};
r = Esys_PCR_SetAuthValue(
esys_context,
pcrHandle_handle,
ESYS_TR_PASSWORD,
ESYS_TR_NONE,
ESYS_TR_NONE,
&auth
);
if ((r == TPM2_RC_COMMAND_CODE) ||
(r == (TPM2_RC_COMMAND_CODE | TSS2_RESMGR_RC_LAYER)) ||
(r == (TPM2_RC_COMMAND_CODE | TSS2_RESMGR_TPM_RC_LAYER))) {
LOG_WARNING("Command TPM2_PCR_SetAuthValue not supported by TPM.");
failure_return = EXIT_SKIP;
goto error;
}
goto_if_error(r, "Error: PCR_SetAuthValue", error);
TPM2B_DIGEST authPolicy = {
.size = 20,
.buffer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
};
r = Esys_PCR_SetAuthPolicy(
esys_context,
ESYS_TR_RH_PLATFORM,
ESYS_TR_PASSWORD,
ESYS_TR_NONE,
ESYS_TR_NONE,
&authPolicy,
TPM2_ALG_SHA1,
pcrHandle_handle);
if ((r & ~TPM2_RC_N_MASK) == TPM2_RC_BAD_AUTH) {
/* Platform authorization not possible test will be skipped */
LOG_WARNING("Platform authorization not possible.");
failure_return = EXIT_SKIP;
}
goto_if_error(r, "Error: PCR_SetAuthPolicy", error);
return EXIT_SUCCESS;
error:
return failure_return;
}
int
test_invoke_esapi(ESYS_CONTEXT * esys_context) {
return test_esys_pcr_auth_value(esys_context);
}