| /* SPDX-License-Identifier: BSD-2 */ |
| /******************************************************************************* |
| * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG |
| * All rights reserved. |
| *******************************************************************************/ |
| |
| #include <stdlib.h> |
| |
| #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_AUTH authValuePrimary = { |
| .size = 5, |
| .buffer = {1, 2, 3, 4, 5} |
| }; |
| |
| TPM2B_SENSITIVE_CREATE inSensitivePrimary = { |
| .size = 4, |
| .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); |
| |
| TPM2B_PUBLIC *outPublic; |
| TPM2B_CREATION_DATA *creationData; |
| TPM2B_DIGEST *creationHash; |
| TPMT_TK_CREATION *creationTicket; |
| |
| 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 = 1, |
| .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, |
| }; |
| |
| TPM2B_PUBLIC *outPublic2; |
| TPM2B_PRIVATE *outPrivate2; |
| TPM2B_CREATION_DATA *creationData2; |
| TPM2B_DIGEST *creationHash2; |
| TPMT_TK_CREATION *creationTicket2; |
| |
| 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("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} |
| }; |
| TPM2B_MAX_BUFFER *outData; |
| TPM2B_IV *ivOut; |
| |
| 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); |
| |
| TPM2B_MAX_BUFFER *outData2; |
| TPM2B_IV *ivOut2; |
| |
| 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); |
| |
| 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."); |
| } |
| } |
| return failure_return; |
| } |
| |
| int |
| test_invoke_esapi(ESYS_CONTEXT * esys_context) { |
| return test_esys_encrypt_decrypt(esys_context); |
| } |