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/* 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 "esys_iutil.h"
#define LOGMODULE test
#include "util/log.h"
#include "util/aux_util.h"
/** This test is intended to test the ESAPI command Esys_HMAC with password
* authentication.
*
* We create a symmetric HMAC key signing key which will be used
* for signing. This key will be used to create the HMAC for a test
* buffer.
*
* Tested ESAPI commands:
* - Esys_CreatePrimary() (M)
* - Esys_FlushContext() (M)
* - Esys_HMAC() (O)
*
* @param[in,out] esys_context The ESYS_CONTEXT.
* @retval EXIT_FAILURE
* @retval EXIT_SUCCESS
*/
int
test_esys_hmac(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_DIGEST *outHMAC = 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 = { 0 };
TPM2B_DATA outsideInfo = {
.size = 0,
.buffer = {},
};
TPML_PCR_SELECTION creationPCR = {
.count = 0,
};
inPublic.publicArea.nameAlg = TPM2_ALG_SHA1;
inPublic.publicArea.type = TPM2_ALG_KEYEDHASH;
inPublic.publicArea.objectAttributes |= TPMA_OBJECT_SIGN_ENCRYPT;
inPublic.publicArea.objectAttributes |= TPMA_OBJECT_USERWITHAUTH;
inPublic.publicArea.objectAttributes |= TPMA_OBJECT_SENSITIVEDATAORIGIN;
inPublic.publicArea.parameters.keyedHashDetail.scheme.scheme = TPM2_ALG_HMAC;
inPublic.publicArea.parameters.keyedHashDetail.scheme.details.hmac.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, &outPublic, &creationData,
&creationHash, &creationTicket);
goto_if_error(r, "Error: CreatePrimary", error);
r = Esys_TR_SetAuth(esys_context, primaryHandle, &authValuePrimary);
goto_if_error(r, "Error: TR_SetAuth", error);
TPM2B_MAX_BUFFER test_buffer = { .size = 20,
.buffer={0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9}} ;
r = Esys_HMAC(
esys_context,
primaryHandle,
ESYS_TR_PASSWORD,
ESYS_TR_NONE,
ESYS_TR_NONE,
&test_buffer,
TPM2_ALG_SHA1,
&outHMAC);
goto_if_error(r, "Error: HMAC", error);
r = Esys_FlushContext(esys_context, primaryHandle);
goto_if_error(r, "Error: FlushContext", error);
Esys_Free(outPublic);
Esys_Free(creationData);
Esys_Free(creationHash);
Esys_Free(creationTicket);
Esys_Free(outHMAC);
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(outHMAC);
return EXIT_FAILURE;
}
int
test_invoke_esapi(ESYS_CONTEXT * esys_context) {
return test_esys_hmac(esys_context);
}