| /******************************************************************************* |
| * 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 |
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| *******************************************************************************/ |
| |
| #define _GNU_SOURCE |
| #include <getopt.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <stdint.h> |
| #include <sapi/tpm20.h> |
| #define LOGMODULE test |
| #include "log/log.h" |
| #include "test.h" |
| #include "sysapi_util.h" |
| #include <esapi/tss2_esys.h> |
| #include "esys_types.h" |
| #include "esys_iutil.h" |
| |
| /* |
| * This test is intended to test RSA encryption / decryption. with password |
| * authentication. |
| * We create a RSA primary key (Esys_CreatePrimary) for every crypto action |
| * This key will be used for encrytion/decryption in with the schemes: |
| * TPM2_ALG_NULL, TPM2_ALG_RSAES, and TPM2_ALG_OAEP |
| */ |
| |
| int |
| test_invoke_esapi(ESYS_CONTEXT * esys_context) |
| { |
| uint32_t r = 0; |
| |
| 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_SHA1, |
| .objectAttributes = (TPMA_OBJECT_USERWITHAUTH | |
| TPMA_OBJECT_DECRYPT | |
| TPMA_OBJECT_FIXEDTPM | |
| TPMA_OBJECT_FIXEDPARENT | |
| TPMA_OBJECT_SENSITIVEDATAORIGIN), |
| .authPolicy = { |
| .size = 0, |
| }, |
| .parameters.rsaDetail = { |
| .symmetric = { |
| .algorithm = |
| TPM2_ALG_NULL}, |
| .scheme = TPM2_ALG_RSAES, |
| .keyBits = 2048, |
| .exponent = 65537, |
| }, |
| .unique.rsa = { |
| .size = 0, |
| .buffer = {}, |
| }, |
| }, |
| }; |
| |
| LOG_INFO("\nRSA key will be created."); |
| |
| 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); |
| |
| ESYS_TR primaryHandle_handle; |
| RSRC_NODE_T *primaryHandle_node; |
| TPM2B_PUBLIC *outPublic; |
| TPM2B_CREATION_DATA *creationData; |
| TPM2B_DIGEST *creationHash; |
| TPMT_TK_CREATION *creationTicket; |
| |
| for (int mode = 0; mode <= 2; mode++) { |
| |
| if (mode == 0) { |
| inPublic.publicArea.parameters.rsaDetail.scheme.scheme = |
| TPM2_ALG_NULL; |
| } else if (mode == 1) { |
| inPublic.publicArea.parameters.rsaDetail.scheme.scheme = |
| TPM2_ALG_RSAES; |
| } else if (mode == 2) { |
| inPublic.publicArea.parameters.rsaDetail.scheme.scheme = |
| TPM2_ALG_OAEP; |
| inPublic.publicArea.parameters.rsaDetail.scheme.details.oaep. |
| hashAlg = TPM2_ALG_SHA1; |
| } |
| |
| r = Esys_CreatePrimary(esys_context, ESYS_TR_RH_OWNER, ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, ESYS_TR_NONE, &inSensitivePrimary, |
| &inPublic, &outsideInfo, &creationPCR, |
| &primaryHandle_handle, &outPublic, &creationData, |
| &creationHash, &creationTicket); |
| goto_if_error(r, "Error esys create primary", error); |
| |
| r = esys_GetResourceObject(esys_context, primaryHandle_handle, |
| &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_handle, |
| &authValuePrimary); |
| goto_if_error(r, "Error: TR_SetAuth", error); |
| |
| size_t plain_size = 3; |
| TPM2B_PUBLIC_KEY_RSA plain = {.size = plain_size,.buffer = {1, 2, 3} |
| }; |
| TPMT_RSA_DECRYPT scheme; |
| TPM2B_DATA null_data = {.size = 0,.buffer = {} |
| }; |
| TPM2B_PUBLIC_KEY_RSA *cipher; |
| |
| if (mode == 0) { |
| scheme.scheme = TPM2_ALG_NULL; |
| } else if (mode == 1) { |
| scheme.scheme = TPM2_ALG_RSAES; |
| } else if (mode == 2) { |
| scheme.scheme = TPM2_ALG_OAEP; |
| scheme.details.oaep.hashAlg = TPM2_ALG_SHA1; |
| } |
| r = Esys_RSA_Encrypt(esys_context, primaryHandle_handle, ESYS_TR_NONE, |
| ESYS_TR_NONE, ESYS_TR_NONE, &plain, &scheme, |
| &null_data, &cipher); |
| goto_if_error(r, "Error esys rsa encrypt", error); |
| |
| TPM2B_PUBLIC_KEY_RSA *plain2; |
| r = Esys_RSA_Decrypt(esys_context, primaryHandle_handle, |
| ESYS_TR_PASSWORD, ESYS_TR_NONE, ESYS_TR_NONE, |
| cipher, &scheme, &null_data, &plain2); |
| goto_if_error(r, "Error esys rsa decrypt", error); |
| |
| if (mode > 0 && !memcmp(&plain.buffer[0], &plain2->buffer[0], plain_size)) { |
| LOG_ERROR("plain texts are not equal for mode %i", mode); |
| } |
| } |
| return 0; |
| |
| error: |
| return 1; |
| } |