| /* 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" |
| #include "test-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 = NULL; |
| |
| |
| 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); |
| ASSERT(randomBytes != NULL); |
| |
| Fapi_Free(randomBytes); |
| |
| randomBytes = NULL; |
| r = Fapi_GetRandom(context, bytesRequested, &randomBytes); |
| goto_if_error(r, "Error Fapi_GetRandom", error); |
| ASSERT(randomBytes != NULL); |
| |
| Fapi_Free(randomBytes); |
| |
| /* Cleanup */ |
| r = Fapi_Delete(context, "/"); |
| goto_if_error(r, "Error Fapi_Delete", error); |
| |
| return TSS2_RC_SUCCESS; |
| |
| error: |
| Fapi_Delete(context, "/"); |
| return EXIT_FAILURE; |
| } |
| |
| int |
| test_invoke_fapi(FAPI_CONTEXT *fapi_context) |
| { |
| return test_fapi_get_random(fapi_context); |
| } |