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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_fapi.h"
#define LOGMODULE test
#include "util/log.h"
#include "util/aux_util.h"
/** Test the FAPI function FAPI_GetRandom and async invocations.
*
* Tested FAPI commands:
* - Fapi_Provision()
* - Fapi_GetRandom_Async()
* - Fapi_GetRandom_Finish()
* - Fapi_GetPollHandles()
* - Fapi_GetRandom()
* - Fapi_Delete()
*
* @param[in,out] context The FAPI_CONTEXT.
* @retval EXIT_FAILURE
* @retval EXIT_SUCCESS
*/
int
test_fapi_get_random(FAPI_CONTEXT *context)
{
TSS2_RC r;
FAPI_POLL_HANDLE *handles;
size_t num_handles;
/* Ensure that more than one call of Esys_GetRandom is necessary */
size_t bytesRequested = sizeof(TPMU_HA) + 10;
uint8_t *randomBytes;
r = Fapi_Provision(context, NULL, NULL, NULL);
goto_if_error(r, "Error Fapi_Provision", error);
r = Fapi_GetRandom_Async(context, bytesRequested);
goto_if_error(r, "GetRandom_Async", error);
do {
r = Fapi_GetPollHandles(context, &handles, &num_handles);
if (r == TSS2_RC_SUCCESS) {
poll(handles, num_handles, -1);
Fapi_Free(handles);
} else if (r != TSS2_FAPI_RC_NO_HANDLE) {
LOG_ERROR("GetPollHandles failed");
goto error;
}
r = Fapi_GetRandom_Finish(context, &randomBytes);
} while (r == TSS2_FAPI_RC_TRY_AGAIN);
goto_if_error(r, "Error Fapi_GetRandom_Finish", error);
Fapi_Free(randomBytes);
r = Fapi_GetRandom(context, bytesRequested, &randomBytes);
goto_if_error(r, "Error Fapi_GetRandom", error);
Fapi_Free(randomBytes);
/* Cleanup */
r = Fapi_Delete(context, "/HS/SRK");
goto_if_error(r, "Error Fapi_Delete", error);
return TSS2_RC_SUCCESS;
error:
Fapi_Delete(context, "/HS/SRK");
return EXIT_FAILURE;
}
int
test_invoke_fapi(FAPI_CONTEXT *fapi_context)
{
return test_fapi_get_random(fapi_context);
}