| /* 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 "tss2_mu.h" |
| |
| #include "esys_iutil.h" |
| #include "test-esys.h" |
| #define LOGMODULE test |
| #include "util/log.h" |
| #include "util/aux_util.h" |
| |
| #define FLUSH true |
| #define NOT_FLUSH false |
| |
| /* |
| * Function to compare policy digest with expected digest. |
| * The digest is computed with Esys_PolicyGetDigest. |
| */ |
| bool |
| cmp_policy_digest(ESYS_CONTEXT * esys_context, |
| ESYS_TR * session, |
| TPM2B_DIGEST * expected_digest, |
| char *comment, bool flush_session) |
| { |
| |
| TSS2_RC r; |
| TPM2B_DIGEST *policyDigest; |
| |
| r = Esys_PolicyGetDigest(esys_context, |
| *session, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, ESYS_TR_NONE, &policyDigest); |
| goto_if_error(r, "Error: PolicyGetDigest", error); |
| |
| LOGBLOB_DEBUG(&policyDigest->buffer[0], policyDigest->size, |
| "POLICY DIGEST"); |
| |
| if (policyDigest->size != 20 |
| || memcmp(&policyDigest->buffer[0], &expected_digest->buffer[0], |
| policyDigest->size)) { |
| free(policyDigest); |
| LOG_ERROR("Error: Policy%s digest did not match expected policy.", |
| comment); |
| return false; |
| } |
| free(policyDigest); |
| if (flush_session) { |
| r = Esys_FlushContext(esys_context, *session); |
| goto_if_error(r, "Error: PolicyGetDigest", error); |
| *session = ESYS_TR_NONE; |
| } |
| |
| return true; |
| |
| error: |
| return false; |
| } |
| |
| /** This test is intended to test the ESYS policy commands, not tested |
| * in other test cases. |
| * When possoble the commands are tested with a |
| * trial session and the policy digest is compared with the expected digest. |
| * |
| * Tested ESYS commands: |
| * - Esys_PolicyPhysicalPresence() (O) |
| * |
| * @param[in,out] esys_context The ESYS_CONTEXT. |
| * @retval EXIT_FAILURE |
| * @retval EXIT_SKIP |
| * @retval EXIT_SUCCESS |
| */ |
| int |
| test_esys_policy_physical_presence_opt(ESYS_CONTEXT * esys_context) |
| { |
| TSS2_RC r; |
| int failure_return = EXIT_FAILURE; |
| |
| /* Dummy parameters for trial sessoin */ |
| ESYS_TR sessionTrial = ESYS_TR_NONE; |
| TPMT_SYM_DEF symmetricTrial = {.algorithm = TPM2_ALG_AES, |
| .keyBits = {.aes = 128}, |
| .mode = {.aes = TPM2_ALG_CFB} |
| }; |
| TPM2B_NONCE nonceCallerTrial = { |
| .size = 20, |
| .buffer = {11, 12, 13, 14, 15, 16, 17, 18, 19, 11, |
| 21, 22, 23, 24, 25, 26, 27, 28, 29, 30} |
| }; |
| |
| /* |
| * Test PolicyPhysicalPresence |
| */ |
| r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE, |
| ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE, |
| &nonceCallerTrial, |
| TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1, |
| &sessionTrial); |
| goto_if_error(r, "Error: During initialization of policy trial session", |
| error); |
| |
| r = Esys_PolicyPhysicalPresence(esys_context, |
| sessionTrial, |
| ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE); |
| 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_PolicyPhysicalPresence not supported by TPM."); |
| failure_return = EXIT_SKIP; |
| goto error; |
| } else { |
| goto_if_error(r, "Error: PolicyPhysicalPresence", error); |
| } |
| |
| TPM2B_DIGEST expectedPolicyPhysicalPresence = { |
| .size = 20, |
| .buffer = {0x9a, 0xcb, 0x06, 0x39, 0x5f, 0x83, 0x1f, 0x88, 0xe8, 0x9e, |
| 0xea, 0xc2, 0x94, 0x42, 0xcb, 0x0e, 0xbe, 0x94, 0x85, 0xab} |
| }; |
| |
| if (!cmp_policy_digest |
| (esys_context, &sessionTrial, &expectedPolicyPhysicalPresence, |
| "PhysicalPresence", FLUSH)) |
| goto error; |
| |
| return EXIT_SUCCESS; |
| |
| error: |
| |
| if (sessionTrial != ESYS_TR_NONE) { |
| if (Esys_FlushContext(esys_context, sessionTrial) != TSS2_RC_SUCCESS) { |
| LOG_ERROR("Cleanup sessionTrial failed."); |
| } |
| } |
| |
| return failure_return; |
| } |
| |
| int |
| test_invoke_esys(ESYS_CONTEXT * esys_context) { |
| return test_esys_policy_physical_presence_opt(esys_context); |
| } |