| /******************************************************************************* |
| * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG All |
| * rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| *******************************************************************************/ |
| |
| #include "tss2_esys.h" |
| |
| #include "esys_iutil.h" |
| #define LOGMODULE test |
| #include "util/log.h" |
| |
| /* |
| * This test is intended to test the ESAPI commands PolicyAuthValue, |
| * PolicyCommandCode, Esys_PolicyGetDigest, and NV_ChangeAuth. |
| * First in a trial session the policy value to ensure that the auth value |
| * is included in the policy session used for NV_ChangeAuth is |
| * computed. |
| * A NV ram space with this policy is defined afterwards. |
| * With a real policy session the auth value of this NV ram space |
| * will be changed. |
| */ |
| |
| int |
| test_invoke_esapi(ESYS_CONTEXT * esys_context) |
| { |
| uint32_t r = 0; |
| /* |
| * Firth the policy value for changing the auth value of an NV index has to be |
| * determined with a policy trial session. |
| */ |
| ESYS_TR sessionTrial; |
| TPMT_SYM_DEF symmetricTrial = {.algorithm = TPM2_ALG_AES, |
| .keyBits = {.aes = 128}, |
| .mode = {.aes = TPM2_ALG_CFB} |
| }; |
| TPM2B_NONCE *nonceTpmTrial; |
| 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} |
| }; |
| |
| 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, |
| &nonceTpmTrial); |
| goto_if_error(r, "Error: During initialization of policy trial session", error); |
| |
| r = Esys_PolicyAuthValue(esys_context, |
| sessionTrial, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE |
| ); |
| goto_if_error(r, "Error: PolicyAuthValue", error); |
| |
| r = Esys_PolicyCommandCode(esys_context, |
| sessionTrial, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| TPM2_CC_NV_ChangeAuth |
| ); |
| goto_if_error(r, "Error: PolicyCommandCode", error); |
| |
| TPM2B_DIGEST *policyDigestTrial; |
| r = Esys_PolicyGetDigest(esys_context, |
| sessionTrial, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &policyDigestTrial |
| ); |
| goto_if_error(r, "Error: PolicyGetDigest", error); |
| |
| ESYS_TR nvHandle_handle; |
| TPM2B_AUTH auth = {.size = 20, |
| .buffer={10, 11, 12, 13, 14, 15, 16, 17, 18, 19, |
| 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}}; |
| |
| TPM2B_NV_PUBLIC publicInfo = { |
| .size = 0, |
| .nvPublic = { |
| .nvIndex =TPM2_NV_INDEX_FIRST, |
| .nameAlg = TPM2_ALG_SHA1, |
| .attributes = ( |
| TPMA_NV_OWNERWRITE | |
| TPMA_NV_AUTHWRITE | |
| TPMA_NV_WRITE_STCLEAR | |
| TPMA_NV_READ_STCLEAR | |
| TPMA_NV_AUTHREAD | |
| TPMA_NV_OWNERREAD |
| ), |
| .authPolicy = *policyDigestTrial, |
| .dataSize = 32, |
| } |
| }; |
| |
| r = Esys_NV_DefineSpace(esys_context, |
| ESYS_TR_RH_OWNER, |
| ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &auth, |
| &publicInfo, |
| &nvHandle_handle); |
| |
| goto_if_error(r, "Error esys define nv space", error); |
| |
| TPM2B_AUTH newAuth = {.size = 20, |
| .buffer={30, 31, 32, 33, 34, 35, 36, 37, 38, 39, |
| 40, 41, 42, 43, 44, 45, 46, 47, 48, 49}}; |
| |
| ESYS_TR policySession; |
| TPMT_SYM_DEF policySymmetric = {.algorithm = TPM2_ALG_AES, |
| .keyBits = {.aes = 128}, |
| .mode = {.aes = TPM2_ALG_CFB} |
| }; |
| TPM2B_NONCE *policyNonceTpm; |
| TPM2B_NONCE policyNonceCaller = { |
| .size = 20, |
| .buffer = {11, 12, 13, 14, 15, 16, 17, 18, 19, 11, |
| 21, 22, 23, 24, 25, 26, 27, 28, 29, 30} |
| }; |
| |
| r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE, |
| ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE, |
| &policyNonceCaller, |
| TPM2_SE_POLICY, &policySymmetric, TPM2_ALG_SHA1, &policySession, |
| &policyNonceTpm); |
| goto_if_error(r, "Error: During initialization of policy trial session", error); |
| |
| |
| r = Esys_PolicyAuthValue(esys_context, |
| policySession, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE |
| ); |
| goto_if_error(r, "Error: PolicyAuthValue", error); |
| |
| r = Esys_PolicyCommandCode(esys_context, |
| policySession, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| TPM2_CC_NV_ChangeAuth |
| ); |
| goto_if_error(r, "Error: PolicyCommandCode", error); |
| |
| r = Esys_NV_ChangeAuth(esys_context, |
| nvHandle_handle, |
| policySession, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &newAuth |
| ); |
| goto_if_error(r, "Error: NV_ChangeAuth", error); |
| |
| r = Esys_NV_UndefineSpace(esys_context, |
| ESYS_TR_RH_OWNER, |
| nvHandle_handle, |
| ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE |
| ); |
| goto_if_error(r, "Error: NV_UndefineSpace", error); |
| |
| return 0; |
| |
| error: |
| return 1; |
| } |