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495 lines
17 KiB
495 lines
17 KiB
/* SPDX-License-Identifier: BSD-2-Clause */
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/*******************************************************************************
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* Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
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* All rights reserved.
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*******************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "tss2_esys.h"
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#include "tss2_mu.h"
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#include "esys_iutil.h"
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#include "test-esapi.h"
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#define LOGMODULE test
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#include "util/log.h"
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#include "util/aux_util.h"
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#define FLUSH true
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#define NOT_FLUSH false
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/*
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* Function to compare policy digest with expected digest.
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* The digest is computed with Esys_PolicyGetDigest.
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*/
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bool
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cmp_policy_digest(ESYS_CONTEXT * esys_context,
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ESYS_TR * session,
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TPM2B_DIGEST * expected_digest,
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char *comment, bool flush_session)
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{
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TSS2_RC r;
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TPM2B_DIGEST *policyDigest;
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r = Esys_PolicyGetDigest(esys_context,
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*session,
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ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, &policyDigest);
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goto_if_error(r, "Error: PolicyGetDigest", error);
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LOGBLOB_DEBUG(&policyDigest->buffer[0], policyDigest->size,
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"POLICY DIGEST");
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if (policyDigest->size != 20
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|| memcmp(&policyDigest->buffer[0], &expected_digest->buffer[0],
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policyDigest->size)) {
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free(policyDigest);
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LOG_ERROR("Error: Policy%s digest did not match expected policy.",
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comment);
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return false;
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}
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free(policyDigest);
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if (flush_session) {
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r = Esys_FlushContext(esys_context, *session);
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goto_if_error(r, "Error: PolicyGetDigest", error);
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*session = ESYS_TR_NONE;
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}
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return true;
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error:
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return false;
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}
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/** This test is intended to test the ESAPI policy commands, not tested
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* in other test cases.
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* When possoble the commands are tested with a
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* trial session and the policy digest is compared with the expected digest.
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*
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* Tested ESAPI commands:
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* - Esys_FlushContext() (M)
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* - Esys_NV_DefineSpace() (M)
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* - Esys_NV_UndefineSpace() (M)
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* - Esys_PolicyCounterTimer() (M)
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* - Esys_PolicyDuplicationSelect() (M)
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* - Esys_PolicyGetDigest() (M)
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* - Esys_PolicyNV() (M)
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* - Esys_PolicyNameHash() (M)
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* - Esys_PolicyNvWritten() (M)
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* - Esys_PolicyOR() (M)
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* - Esys_PolicyPCR() (M)
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* - Esys_PolicyPhysicalPresence() (O)
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* - Esys_PolicyRestart() (M)
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* - Esys_SetPrimaryPolicy() (M)
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* - Esys_StartAuthSession() (M)
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*
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* @param[in,out] esys_context The ESYS_CONTEXT.
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* @retval EXIT_FAILURE
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* @retval EXIT_SKIP
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* @retval EXIT_SUCCESS
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*/
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int
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test_esys_policy_regression(ESYS_CONTEXT * esys_context)
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{
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TSS2_RC r;
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int failure_return = EXIT_FAILURE;
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ESYS_TR nvHandle = ESYS_TR_NONE;
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ESYS_TR sessionTrialNV = ESYS_TR_NONE;
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ESYS_TR sessionTrialPCR = ESYS_TR_NONE;
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/* Dummy parameters for trial sessoin */
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ESYS_TR sessionTrial = ESYS_TR_NONE;
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TPMT_SYM_DEF symmetricTrial = {.algorithm = TPM2_ALG_AES,
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.keyBits = {.aes = 128},
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.mode = {.aes = TPM2_ALG_CFB}
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};
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TPM2B_NONCE nonceCallerTrial = {
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.size = 20,
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.buffer = {11, 12, 13, 14, 15, 16, 17, 18, 19, 11,
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21, 22, 23, 24, 25, 26, 27, 28, 29, 30}
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};
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/*
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* Test PolicyPCR
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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sessionTrialPCR = sessionTrial;
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TPML_PCR_SELECTION pcrSelection = {
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.count = 1,
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.pcrSelections = {
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{.hash = TPM2_ALG_SHA1,
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.sizeofSelect = 3,
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.pcrSelect = {00, 00, 01},
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},
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}
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};
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/* SHA1 digest for PCR register with zeros */
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TPM2B_DIGEST pcr_digest_zero = {
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.size = 20,
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.buffer = {0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0,
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0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f}
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};
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r = Esys_PolicyPCR(esys_context,
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sessionTrial,
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ESYS_TR_NONE,
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ESYS_TR_NONE,
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ESYS_TR_NONE, &pcr_digest_zero, &pcrSelection);
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goto_if_error(r, "Error: pcr digest can not be computed.", error);
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TPM2B_DIGEST expectedPolicyPCR = {
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.size = 20,
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.buffer = {0x85, 0x33, 0x11, 0x83, 0x19, 0x03, 0x12, 0xf5, 0xe8, 0x3c,
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0x60, 0x43, 0x34, 0x6f, 0x9f, 0x37, 0x21, 0x04, 0x76, 0x8e},
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};
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if (!cmp_policy_digest(esys_context, &sessionTrial, &expectedPolicyPCR,
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"PCR", NOT_FLUSH))
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goto error;
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/* Create valid NV handle */
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TPM2B_AUTH auth = {.size = 20,
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.buffer = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
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20, 21, 22, 23, 24, 25, 26, 27, 28, 29}
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};
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TPM2B_NV_PUBLIC publicInfo = {
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.size = 0,
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.nvPublic = {
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.nvIndex = TPM2_NV_INDEX_FIRST,
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.nameAlg = TPM2_ALG_SHA1,
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.attributes = (TPMA_NV_OWNERWRITE |
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TPMA_NV_AUTHWRITE |
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TPMA_NV_WRITE_STCLEAR |
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TPMA_NV_READ_STCLEAR |
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TPMA_NV_AUTHREAD | TPMA_NV_OWNERREAD),
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.authPolicy = {
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.size = 0,
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.buffer = {}
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,
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}
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,
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.dataSize = 32,
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}
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};
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r = Esys_NV_DefineSpace(esys_context,
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ESYS_TR_RH_OWNER,
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ESYS_TR_PASSWORD,
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ESYS_TR_NONE,
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ESYS_TR_NONE, &auth, &publicInfo, &nvHandle);
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goto_if_error(r, "Error esys define nv space", error);
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/*
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* Test PolicyNV
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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sessionTrialNV = sessionTrial;
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UINT16 offset = 0;
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TPM2_EO operation = TPM2_EO_EQ;
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TPM2B_OPERAND operandB = {
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.size = 8,
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.buffer = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08, 0x09}
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};
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r = Esys_PolicyNV(esys_context,
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ESYS_TR_RH_OWNER,
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nvHandle,
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sessionTrial,
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ESYS_TR_PASSWORD,
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ESYS_TR_NONE, ESYS_TR_NONE, &operandB, offset, operation);
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goto_if_error(r, "Error: PolicyNV", error);
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TPM2B_DIGEST expectedPolicyNV = {
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.size = 20,
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.buffer = {0x09, 0x92, 0x96, 0x4c, 0x18, 0x4c, 0x29, 0xde, 0x53, 0x52,
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0xc0, 0x20, 0x86, 0x81, 0xca, 0xe9, 0x94, 0x23, 0x09, 0x24}
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};
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if (!cmp_policy_digest(esys_context, &sessionTrial, &expectedPolicyNV,
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"NV", NOT_FLUSH))
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goto error;
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/*
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* Test PolicyOR
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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TPML_DIGEST pHashList = {
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.count = 2,
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.digests = {
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expectedPolicyPCR,
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expectedPolicyNV}
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};
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r = Esys_PolicyOR(esys_context,
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sessionTrial,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE, &pHashList);
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goto_if_error(r, "Error: PolicyOR", error);
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TPM2B_DIGEST expectedPolicyOR = {
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.size = 20,
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.buffer = {0x5d, 0x34, 0x38, 0xd3, 0xb8, 0xf0, 0x82, 0xef, 0x22, 0x12,
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0xeb, 0x29, 0x54, 0xde, 0x66, 0x37, 0x06, 0x2f, 0xd8, 0x70}
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};
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if (!cmp_policy_digest(esys_context, &sessionTrial, &expectedPolicyOR,
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"OR", FLUSH))
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goto error;
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r = Esys_FlushContext(esys_context, sessionTrialPCR);
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goto_if_error(r, "Error: FlushContext", error);
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sessionTrialPCR = ESYS_TR_NONE;
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r = Esys_FlushContext(esys_context, sessionTrialNV);
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goto_if_error(r, "Error: FlushContext", error);
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sessionTrial = ESYS_TR_NONE;
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/*
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* Test PolicyCounterTimer
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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r = Esys_PolicyCounterTimer(esys_context,
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sessionTrial,
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ESYS_TR_NONE,
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ESYS_TR_NONE,
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ESYS_TR_NONE, &operandB, offset, operation);
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goto_if_error(r, "Error: PolicyCounterTimer", error);
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TPM2B_DIGEST expectedPolicyCounterTimer = {
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.size = 20,
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.buffer = {0x93, 0x8a, 0x9c, 0x7f, 0x60, 0xd4, 0xdd, 0xb5, 0x5a, 0x13,
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0xc1, 0x7e, 0x3c, 0xe4, 0x62, 0x10, 0x82, 0xd0, 0x11, 0xad}
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};
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if (!cmp_policy_digest
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(esys_context, &sessionTrial, &expectedPolicyCounterTimer,
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"CounterTimter", NOT_FLUSH))
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goto error;
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/*
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* Test PolicyRestart
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*/
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r = Esys_PolicyRestart(esys_context,
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sessionTrial,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE);
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goto_if_error(r, "Error: PolicyRestart", error);
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TPM2B_DIGEST expectedPolicyRestart = {
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.size = 0,
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.buffer = {0}
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};
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if (!cmp_policy_digest(esys_context, &sessionTrial, &expectedPolicyRestart,
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"Restart", FLUSH))
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goto error;
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/*
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* Test PolicyNameHash
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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TPM2B_DIGEST nameHash = {
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.size = 20,
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.buffer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
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11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
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};
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r = Esys_PolicyNameHash(esys_context,
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sessionTrial,
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ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, &nameHash);
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goto_if_error(r, "Error: PolicyNameHash", error);
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TPM2B_DIGEST expectedPolicyNameHash = {
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.size = 20,
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.buffer = {0xb4, 0x00, 0x9a, 0xb0, 0x80, 0x49, 0x55, 0x5f, 0x8c, 0xf2,
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0x7b, 0x2e, 0x55, 0x7e, 0x74, 0x7d, 0x44, 0x39, 0x68, 0x7f}
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};
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if (!cmp_policy_digest(esys_context, &sessionTrial, &expectedPolicyNameHash,
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"NameHash", FLUSH))
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goto error;
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/*
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* Test PolicyDuplicationSelect
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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TPM2B_NAME name1 = {
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.size = 20,
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.name = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
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11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
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};
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TPM2B_NAME name2 = {
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.size = 20,
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.name = {21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
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31, 32, 33, 34, 35, 36, 37, 38, 39, 30}
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};
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r = Esys_PolicyDuplicationSelect(esys_context,
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sessionTrial,
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ESYS_TR_NONE,
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ESYS_TR_NONE,
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ESYS_TR_NONE, &name1, &name2, 0);
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goto_if_error(r, "Error: PolicyDuplicationSelect", error);
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TPM2B_DIGEST expectedPolicyDuplicationSelect = {
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.size = 20,
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.buffer = {0x53, 0x77, 0xf5, 0x82, 0x83, 0x18, 0xa9, 0xee, 0x76, 0x70,
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0xa8, 0x31, 0x5d, 0x5c, 0x04, 0xb4, 0xaa, 0xaf, 0x96, 0x8f}
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};
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if (!cmp_policy_digest
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(esys_context, &sessionTrial, &expectedPolicyDuplicationSelect,
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"PolicyDuplicationSelect", FLUSH))
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goto error;
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goto_if_error(r, "Error: FlushContext", error);
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/*
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* Test PolicyNvWritten
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*/
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r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
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&nonceCallerTrial,
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TPM2_SE_TRIAL, &symmetricTrial, TPM2_ALG_SHA1,
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&sessionTrial);
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goto_if_error(r, "Error: During initialization of policy trial session",
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error);
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r = Esys_PolicyNvWritten(esys_context,
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sessionTrial,
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ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE, 0);
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goto_if_error(r, "Error: PolicyNvWritten", error);
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TPM2B_DIGEST expectedPolicyNvWritten = {
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.size = 20,
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.buffer = {0x5a, 0x91, 0xe7, 0x10, 0x53, 0x86, 0xbd, 0x54, 0x7a, 0x15,
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0xaa, 0xd4, 0x03, 0x69, 0xb1, 0xe2, 0x5e, 0x46, 0x28, 0x73}
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};
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if (!cmp_policy_digest(esys_context, &sessionTrial, &expectedPolicyNvWritten,
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"NvWritten", FLUSH))
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goto error;
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/*
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* Space not needed for further tests.
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*/
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r = Esys_NV_UndefineSpace(esys_context,
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ESYS_TR_RH_OWNER,
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nvHandle,
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ESYS_TR_PASSWORD,
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ESYS_TR_NONE,
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ESYS_TR_NONE
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);
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goto_if_error(r, "Error: NV_UndefineSpace", error);
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nvHandle = ESYS_TR_NONE;
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/*
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* Test PolicySetPrimaryPolicy
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*/
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TPM2B_DIGEST authPolicy = {
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.size = 20,
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.buffer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
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11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
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};
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r = Esys_SetPrimaryPolicy(esys_context,
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ESYS_TR_RH_OWNER,
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ESYS_TR_PASSWORD,
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ESYS_TR_NONE, ESYS_TR_NONE,
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&authPolicy,
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TPM2_ALG_SHA1);
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if ((r == TPM2_RC_COMMAND_CODE) ||
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(r == (TPM2_RC_COMMAND_CODE | TSS2_RESMGR_RC_LAYER)) ||
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(r == (TPM2_RC_COMMAND_CODE | TSS2_RESMGR_TPM_RC_LAYER))) {
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LOG_WARNING("Command TPM2_SetPrimaryPolicy not supported by TPM.");
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} else {
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goto_if_error(r, "Error: SetPrimaryPolicy", error);
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}
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return EXIT_SUCCESS;
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error:
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if (sessionTrial != ESYS_TR_NONE) {
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if (Esys_FlushContext(esys_context, sessionTrial) != TSS2_RC_SUCCESS) {
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LOG_ERROR("Cleanup sessionTrial failed.");
|
|
}
|
|
}
|
|
|
|
if (sessionTrialPCR != ESYS_TR_NONE) {
|
|
if (Esys_FlushContext(esys_context, sessionTrialPCR) != TSS2_RC_SUCCESS) {
|
|
LOG_ERROR("Cleanup sessionTrialPCR failed.");
|
|
}
|
|
}
|
|
|
|
if (nvHandle != ESYS_TR_NONE) {
|
|
if (Esys_NV_UndefineSpace(esys_context,
|
|
ESYS_TR_RH_OWNER,
|
|
nvHandle,
|
|
ESYS_TR_PASSWORD,
|
|
ESYS_TR_NONE,
|
|
ESYS_TR_NONE) != TSS2_RC_SUCCESS) {
|
|
LOG_ERROR("Cleanup nvHandle failed.");
|
|
}
|
|
}
|
|
|
|
return failure_return;
|
|
}
|
|
|
|
int
|
|
test_invoke_esapi(ESYS_CONTEXT * esys_context) {
|
|
return test_esys_policy_regression(esys_context);
|
|
}
|