/* 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 "tss2_esys.h" #include "esys_iutil.h" #include "test-esapi.h" #define LOGMODULE test #include "util/log.h" #include "util/aux_util.h" /** This test is intended to test the ESAPI function Esys_EncryptDecrypt. * * First a primary key is generated. This key will be uses as parent fo a * symmetric key, which will be used to encrypt and decrypt a tpm2b. The * result will be compared. * * Tested ESAPI commands: * - Esys_Create() (M) * - Esys_CreatePrimary() (M) * - Esys_EncryptDecrypt() (O) * - Esys_FlushContext() (M) * - Esys_Load() (M) * * @param[in,out] esys_context The ESYS_CONTEXT. * @retval EXIT_FAILURE * @retval EXIT_SKIP * @retval EXIT_SUCCESS */ int test_esys_encrypt_decrypt(ESYS_CONTEXT * esys_context) { TSS2_RC r; ESYS_TR primaryHandle = ESYS_TR_NONE; ESYS_TR loadedKeyHandle = ESYS_TR_NONE; int failure_return = EXIT_FAILURE; TPM2B_PUBLIC *outPublic = NULL; TPM2B_CREATION_DATA *creationData = NULL; TPM2B_DIGEST *creationHash = NULL; TPMT_TK_CREATION *creationTicket = NULL; TPM2B_MAX_BUFFER *outData = NULL; TPM2B_IV *ivOut = NULL; TPM2B_PUBLIC *outPublic2 = NULL; TPM2B_PRIVATE *outPrivate2 = NULL; TPM2B_CREATION_DATA *creationData2 = NULL; TPM2B_DIGEST *creationHash2 = NULL; TPMT_TK_CREATION *creationTicket2 = NULL; TPM2B_MAX_BUFFER *outData2 = NULL; TPM2B_IV *ivOut2 = 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); 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_TR_SetAuth(esys_context, primaryHandle, &authValuePrimary); goto_if_error(r, "Error: TR_SetAuth", error); 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 = 16, .buffer = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16} } } }; inSensitive2.sensitive.userAuth = authKey2; TPM2B_PUBLIC inPublic2 = { .size = 0, .publicArea = { .type = TPM2_ALG_SYMCIPHER, .nameAlg = TPM2_ALG_SHA256, .objectAttributes = (TPMA_OBJECT_USERWITHAUTH | TPMA_OBJECT_SIGN_ENCRYPT | TPMA_OBJECT_DECRYPT), .authPolicy = { .size = 0, }, .parameters.symDetail = { .sym = { .algorithm = TPM2_ALG_AES, .keyBits = {.aes = 128}, .mode = {.aes = TPM2_ALG_CFB}} }, .unique.sym = { .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); if (r == 0x2c2) { /*<< tpm:parameter(2):inconsistent attributes */ LOG_WARNING("Unsupported symmetric cipher."); failure_return = EXIT_SKIP; goto error; } goto_if_error(r, "Error esys create ", error); LOG_INFO("AES key created."); 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("AES key loaded."); r = Esys_TR_SetAuth(esys_context, loadedKeyHandle, &authKey2); goto_if_error(r, "Error esys TR_SetAuth ", error); ESYS_TR keyHandle_handle = loadedKeyHandle; TPMI_YES_NO decrypt = TPM2_YES; TPMI_YES_NO encrypt = TPM2_NO; TPMI_ALG_SYM_MODE mode = TPM2_ALG_NULL; TPM2B_IV ivIn = { .size = 16, .buffer = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16} }; TPM2B_MAX_BUFFER inData = { .size = 16, .buffer = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16} }; r = Esys_EncryptDecrypt( esys_context, keyHandle_handle, ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, encrypt, mode, &ivIn, &inData, &outData, &ivOut); 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_EncryptDecrypt not supported by TPM."); failure_return = EXIT_SKIP; goto error; } goto_if_error(r, "Error: EncryptDecrypt", error); r = Esys_EncryptDecrypt( esys_context, keyHandle_handle, ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, decrypt, mode, &ivIn, outData, &outData2, &ivOut2); 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_EncryptDecrypt not supported by TPM."); failure_return = EXIT_SKIP; goto error; } goto_if_error(r, "Error: EncryptDecrypt", error); LOGBLOB_DEBUG(&outData2->buffer[0], outData2->size, "** Decrypted data **"); if (outData2->size != inData.size || memcmp(&outData2->buffer, &inData.buffer[0], outData2->size) != 0) { LOG_ERROR("Error: decrypted text not equal to origin"); goto error; } 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(outData); Esys_Free(ivOut); Esys_Free(outPublic2); Esys_Free(outPrivate2); Esys_Free(creationData2); Esys_Free(creationHash2); Esys_Free(creationTicket2); Esys_Free(outData2); Esys_Free(ivOut2); return EXIT_SUCCESS; error: if (primaryHandle != ESYS_TR_NONE) { if (Esys_FlushContext(esys_context, primaryHandle) != TSS2_RC_SUCCESS) { LOG_ERROR("Cleanup primaryHandle failed."); } } if (loadedKeyHandle != ESYS_TR_NONE) { if (Esys_FlushContext(esys_context, loadedKeyHandle) != TSS2_RC_SUCCESS) { LOG_ERROR("Cleanup loadedKeyHandle failed."); } } Esys_Free(outPublic); Esys_Free(creationData); Esys_Free(creationHash); Esys_Free(creationTicket); Esys_Free(outData); Esys_Free(ivOut); Esys_Free(outPublic2); Esys_Free(outPrivate2); Esys_Free(creationData2); Esys_Free(creationHash2); Esys_Free(creationTicket2); Esys_Free(outData2); Esys_Free(ivOut2); return failure_return; } int test_invoke_esapi(ESYS_CONTEXT * esys_context) { return test_esys_encrypt_decrypt(esys_context); }