/* SPDX-License-Identifier: BSD-2-Clause */ /******************************************************************************* * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG * All rights reserved. *******************************************************************************/ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include "test.h" #include "esys_types.h" #include "esys_iutil.h" #define LOGMODULE test #include "util/log.h" #include "util/aux_util.h" /** This test is intended to test the unseal operation for the ESAPI command * Unseal. * * We start by creating a primary key (Esys_CreatePrimary). * Based on the primary key a second key with a password and the to be sealed * data defined in the sensitive area will be created (Esys_Create). * This key will be loaded and the unseal command (Esys_Unseal) will be used * to retrieve the sealed data. * * Tested ESAPI commands: * - Esys_Create() (M) * - Esys_CreatePrimary() (M) * - Esys_FlushContext() (M) * - Esys_Load() (M) * - Esys_Unseal() (M) * * @param[in,out] esys_context The ESYS_CONTEXT. * @retval EXIT_FAILURE * @retval EXIT_SUCCESS */ int test_esys_unseal_password_auth(ESYS_CONTEXT * esys_context) { /* * 1. Create Primary */ TSS2_RC r; ESYS_TR primaryHandle = ESYS_TR_NONE; ESYS_TR loadedKeyHandle = ESYS_TR_NONE; TPM2B_PUBLIC *outPublic = NULL; TPM2B_CREATION_DATA *creationData = NULL; TPM2B_DIGEST *creationHash = NULL; TPMT_TK_CREATION *creationTicket = NULL; TPM2B_PUBLIC *outPublic2 = NULL; TPM2B_PRIVATE *outPrivate2 = NULL; TPM2B_CREATION_DATA *creationData2 = NULL; TPM2B_DIGEST *creationHash2 = NULL; TPMT_TK_CREATION *creationTicket2 = NULL; TPM2B_SENSITIVE_DATA *outData = NULL; TPM2B_AUTH authValuePrimary = { .size = 5, .buffer = {1, 2, 3, 4, 5} }; TPM2B_SENSITIVE_CREATE inSensitivePrimary = { .size = 0, .sensitive = { .userAuth = { .size = 0, .buffer = {0 }, }, .data = { .size = 0, .buffer = {0}, }, }, }; inSensitivePrimary.sensitive.userAuth = authValuePrimary; TPM2B_PUBLIC inPublic = { .size = 0, .publicArea = { .type = TPM2_ALG_RSA, .nameAlg = TPM2_ALG_SHA256, .objectAttributes = (TPMA_OBJECT_USERWITHAUTH | TPMA_OBJECT_RESTRICTED | TPMA_OBJECT_DECRYPT | TPMA_OBJECT_FIXEDTPM | TPMA_OBJECT_FIXEDPARENT | TPMA_OBJECT_SENSITIVEDATAORIGIN), .authPolicy = { .size = 0, }, .parameters.rsaDetail = { .symmetric = { .algorithm = TPM2_ALG_AES, .keyBits.aes = 128, .mode.aes = TPM2_ALG_CFB}, .scheme = { .scheme = TPM2_ALG_NULL }, .keyBits = 2048, .exponent = 0, }, .unique.rsa = { .size = 0, .buffer = {}, }, }, }; TPM2B_DATA outsideInfo = { .size = 0, .buffer = {}, }; TPML_PCR_SELECTION creationPCR = { .count = 0, }; TPM2B_AUTH authValue = { .size = 0, .buffer = {} }; r = Esys_TR_SetAuth(esys_context, ESYS_TR_RH_OWNER, &authValue); goto_if_error(r, "Error: TR_SetAuth", error); RSRC_NODE_T *primaryHandle_node; r = Esys_CreatePrimary(esys_context, ESYS_TR_RH_OWNER, ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, &inSensitivePrimary, &inPublic, &outsideInfo, &creationPCR, &primaryHandle, &outPublic, &creationData, &creationHash, &creationTicket); goto_if_error(r, "Error esys create primary", error); r = esys_GetResourceObject(esys_context, primaryHandle, &primaryHandle_node); goto_if_error(r, "Error Esys GetResourceObject", error); LOG_INFO("Created Primary with handle 0x%08x...", primaryHandle_node->rsrc.handle); r = Esys_TR_SetAuth(esys_context, primaryHandle, &authValuePrimary); goto_if_error(r, "Error: TR_SetAuth", error); /* * 2. Create second key with sealed data */ TPM2B_AUTH authKey2 = { .size = 6, .buffer = {6, 7, 8, 9, 10, 11} }; TPM2B_SENSITIVE_CREATE inSensitive2 = { .size = 0, .sensitive = { .userAuth = { .size = 0, .buffer = {0} }, .data = { .size = 8, .buffer = {3,2,3,2,3,2,3,2} } } }; inSensitive2.sensitive.userAuth = authKey2; TPM2B_PUBLIC inPublic2 = { .size = 0, .publicArea = { /* type = TPM2_ALG_RSA, */ .type = TPM2_ALG_KEYEDHASH, .nameAlg = TPM2_ALG_SHA256, .objectAttributes = ( TPMA_OBJECT_USERWITHAUTH | /* TPMA_OBJECT_RESTRICTED | */ /* TPMA_OBJECT_DECRYPT | */ TPMA_OBJECT_FIXEDTPM | TPMA_OBJECT_FIXEDPARENT /* TPMA_OBJECT_SENSITIVEDATAORIGIN */ ), .authPolicy = { .size = 0, }, /* .parameters.rsaDetail = { .symmetric = { .algorithm = TPM2_ALG_AES, .keyBits.aes = 128, .mode.aes = TPM2_ALG_CFB }, .scheme = { .scheme = TPM2_ALG_NULL, }, .keyBits = 2048, .exponent = 0 }, .unique.rsa = { .size = 0, .buffer = {} , } */ .parameters.keyedHashDetail = { .scheme = { .scheme = TPM2_ALG_NULL, .details = { .hmac = { .hashAlg = TPM2_ALG_SHA256 } } } }, .unique.keyedHash = { .size = 0, .buffer = {}, }, } }; TPM2B_DATA outsideInfo2 = { .size = 0, .buffer = {} , }; TPML_PCR_SELECTION creationPCR2 = { .count = 0, }; r = Esys_Create(esys_context, primaryHandle, ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, &inSensitive2, &inPublic2, &outsideInfo2, &creationPCR2, &outPrivate2, &outPublic2, &creationData2, &creationHash2, &creationTicket2); goto_if_error(r, "Error esys create ", error); LOG_INFO("\nSecond key created."); /* * 3. Load second key */ r = Esys_Load(esys_context, primaryHandle, ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, outPrivate2, outPublic2, &loadedKeyHandle); goto_if_error(r, "Error esys load ", error); LOG_INFO("\nSecond Key loaded."); r = Esys_TR_SetAuth(esys_context, loadedKeyHandle, &authKey2); goto_if_error(r, "Error esys TR_SetAuth ", error); /* * 4. Unseal key */ r = Esys_Unseal(esys_context, loadedKeyHandle, ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, &outData); goto_if_error(r, "Error esys Unseal ", error); if(memcmp(&(outData->buffer), &(inSensitive2.sensitive.data.buffer), inSensitive2.sensitive.data.size)!=0){ LOG_ERROR("Error: Unsealed Data is unequal."); goto error; } LOG_INFO("\nData successfully unsealed."); /* * 5. Flush Context */ r = Esys_FlushContext(esys_context, primaryHandle); goto_if_error(r, "Error during FlushContext", error); primaryHandle = ESYS_TR_NONE; r = Esys_FlushContext(esys_context, loadedKeyHandle); goto_if_error(r, "Error during FlushContext", error); Esys_Free(outPublic); Esys_Free(creationData); Esys_Free(creationHash); Esys_Free(creationTicket); Esys_Free(outPublic2); Esys_Free(outPrivate2); Esys_Free(creationData2); Esys_Free(creationHash2); Esys_Free(creationTicket2); Esys_Free(outData); return EXIT_SUCCESS; error: if (loadedKeyHandle != ESYS_TR_NONE) { if (Esys_FlushContext(esys_context, loadedKeyHandle) != TSS2_RC_SUCCESS) { LOG_ERROR("Cleanup loadedKeyHandle failed."); } } if (primaryHandle != ESYS_TR_NONE) { if (Esys_FlushContext(esys_context, primaryHandle) != TSS2_RC_SUCCESS) { LOG_ERROR("Cleanup primaryHandle failed."); } } Esys_Free(outPublic); Esys_Free(creationData); Esys_Free(creationHash); Esys_Free(creationTicket); Esys_Free(outPublic2); Esys_Free(outPrivate2); Esys_Free(creationData2); Esys_Free(creationHash2); Esys_Free(creationTicket2); Esys_Free(outData); return EXIT_FAILURE; } int test_invoke_esapi(ESYS_CONTEXT * esys_context) { return test_esys_unseal_password_auth(esys_context); }