| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /******************************************************************************* |
| * Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG |
| * All rights reserved. |
| *******************************************************************************/ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <stdlib.h> |
| |
| #include "tss2_esys.h" |
| #include "tss2_mu.h" |
| |
| #include "esys_iutil.h" |
| #define LOGMODULE test |
| #include "util/log.h" |
| #include "util/aux_util.h" |
| |
| /** This test is intended to test the ESYS signing and signature verification. |
| * |
| * Tested ESYS commands: |
| * - Esys_CreatePrimary() (M) |
| * - Esys_FlushContext() (M) |
| * - Esys_ReadPublic() (M) |
| * - Esys_Sign() (M) |
| * - Esys_VerifySignature() (M) |
| * |
| * @param[in,out] esys_context The ESYS_CONTEXT. |
| * @retval EXIT_FAILURE |
| * @retval EXIT_SUCCESS |
| */ |
| |
| int |
| test_esys_verify_signature(ESYS_CONTEXT * esys_context) |
| { |
| TSS2_RC r; |
| ESYS_TR primaryHandle = ESYS_TR_NONE; |
| |
| TPM2B_PUBLIC *outPublic = NULL; |
| TPM2B_CREATION_DATA *creationData = NULL; |
| TPM2B_DIGEST *creationHash = NULL; |
| TPMT_TK_CREATION *creationTicket = NULL; |
| |
| TPM2B_NAME *nameKeySign = NULL; |
| TPM2B_NAME *keyQualifiedName = NULL; |
| TPMT_SIGNATURE *signature = NULL; |
| |
| TPMT_TK_VERIFIED *validation = NULL; |
| |
| /* |
| * 1. Create Primary. This primary will be used as signing key. |
| */ |
| |
| TPM2B_AUTH authValuePrimary = { |
| .size = 5, |
| .buffer = {1, 2, 3, 4, 5} |
| }; |
| |
| TPM2B_SENSITIVE_CREATE inSensitivePrimary = { |
| .size = 0, |
| .sensitive = { |
| .userAuth = authValuePrimary, |
| .data = { |
| .size = 0, |
| .buffer = {0}, |
| }, |
| }, |
| }; |
| |
| TPM2B_PUBLIC inPublic = { |
| .size = 0, |
| .publicArea = { |
| .type = TPM2_ALG_RSA, |
| .nameAlg = TPM2_ALG_SHA1, |
| .objectAttributes = (TPMA_OBJECT_USERWITHAUTH | |
| TPMA_OBJECT_SIGN_ENCRYPT | |
| TPMA_OBJECT_FIXEDTPM | |
| TPMA_OBJECT_FIXEDPARENT | |
| TPMA_OBJECT_SENSITIVEDATAORIGIN), |
| .authPolicy = { |
| .size = 0, |
| }, |
| .parameters.rsaDetail = { |
| .symmetric = { |
| .algorithm = TPM2_ALG_NULL, |
| .keyBits.aes = 128, |
| .mode.aes = TPM2_ALG_CFB}, |
| .scheme = { |
| .scheme = TPM2_ALG_RSAPSS, |
| .details = { |
| .rsapss = { .hashAlg = TPM2_ALG_SHA1 } |
| } |
| }, |
| .keyBits = 2048, |
| .exponent = 0, |
| }, |
| .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); |
| |
| 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); |
| Esys_Free(outPublic); |
| Esys_Free(creationData); |
| Esys_Free(creationHash); |
| Esys_Free(creationTicket); |
| |
| r = Esys_ReadPublic(esys_context, |
| primaryHandle, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &outPublic, |
| &nameKeySign, |
| &keyQualifiedName); |
| goto_if_error(r, "Error: ReadPublic", error); |
| |
| |
| TPMT_SIG_SCHEME inScheme = { .scheme = TPM2_ALG_NULL }; |
| TPMT_TK_HASHCHECK hash_validation = { |
| .tag = TPM2_ST_HASHCHECK, |
| .hierarchy = TPM2_RH_OWNER, |
| .digest = {0} |
| }; |
| /* SHA1 digest for PCR register with zeros */ |
| TPM2B_DIGEST pcr_digest_zero = { |
| .size = 20, |
| .buffer = { 0x67, 0x68, 0x03, 0x3e, 0x21, 0x64, 0x68, 0x24, 0x7b, 0xd0, |
| 0x31, 0xa0, 0xa2, 0xd9, 0x87, 0x6d, 0x79, 0x81, 0x8f, 0x8f } |
| }; |
| |
| /* |
| * 1. Sign pcr_digest_zero and verfiy the signature. |
| */ |
| |
| r = Esys_Sign( |
| esys_context, |
| primaryHandle, |
| ESYS_TR_PASSWORD, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &pcr_digest_zero, |
| &inScheme, |
| &hash_validation, |
| &signature); |
| goto_if_error(r, "Error: Sign", error); |
| |
| r = Esys_VerifySignature( |
| esys_context, |
| primaryHandle, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| ESYS_TR_NONE, |
| &pcr_digest_zero, |
| signature, |
| &validation); |
| goto_if_error(r, "Error: Sign", error); |
| |
| r = Esys_FlushContext(esys_context, primaryHandle); |
| goto_if_error(r, "Error: FlushContext", error); |
| |
| Esys_Free(outPublic); |
| |
| Esys_Free(nameKeySign); |
| Esys_Free(keyQualifiedName); |
| Esys_Free(signature); |
| Esys_Free(validation); |
| return EXIT_SUCCESS; |
| |
| error: |
| |
| 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(nameKeySign); |
| Esys_Free(keyQualifiedName); |
| Esys_Free(signature); |
| Esys_Free(validation); |
| return EXIT_FAILURE; |
| } |
| |
| int |
| test_invoke_esys(ESYS_CONTEXT * esys_context) { |
| return test_esys_verify_signature(esys_context); |
| } |