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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"
#include "test-esys.h"
#define LOGMODULE test
#include "util/log.h"
#include "util/aux_util.h"
/** This test is intended to test Esys_Commit.
* based on an ECC key
* created with Esys_CreatePrimary Esys_Commit is called with a point
* from the primary key.
*
* Tested ESYS commands:
* - Esys_Commit() (M)
* - Esys_CreatePrimary() (M)
* - Esys_FlushContext() (M)
* - Esys_StartAuthSession() (M)
*
* @param[in,out] esys_context The ESYS_CONTEXT.
* @retval EXIT_FAILURE
* @retval EXIT_SKIP
* @retval EXIT_SUCCESS
*/
int
test_esys_commit(ESYS_CONTEXT * esys_context)
{
TSS2_RC r;
ESYS_TR eccHandle = ESYS_TR_NONE;
ESYS_TR session = 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_ECC_POINT *K = NULL;
TPM2B_ECC_POINT *L = NULL;
TPM2B_ECC_POINT *E = NULL;
TPMT_SYM_DEF symmetric = {
.algorithm = TPM2_ALG_AES,
.keyBits = { .aes = 128 },
.mode = {.aes = TPM2_ALG_CFB}
};
TPMA_SESSION sessionAttributes;
TPM2B_NONCE nonceCaller = {
.size = 20,
.buffer = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
};
memset(&sessionAttributes, 0, sizeof sessionAttributes);
r = Esys_StartAuthSession(esys_context, ESYS_TR_NONE, ESYS_TR_NONE,
ESYS_TR_NONE, ESYS_TR_NONE, ESYS_TR_NONE,
&nonceCaller,
TPM2_SE_HMAC, &symmetric, TPM2_ALG_SHA256,
&session);
goto_if_error(r, "Error: During initialization of session", error);
TPM2B_SENSITIVE_CREATE inSensitive = {
.size = 0,
.sensitive = {
.userAuth = {
.size = 0,
.buffer = {0}
},
.data = {
.size = 0,
.buffer = {0}
}
}
};
TPM2B_PUBLIC inPublicECC = {
.size = 0,
.publicArea = {
.type = TPM2_ALG_ECC,
.nameAlg = TPM2_ALG_SHA256,
.objectAttributes = (TPMA_OBJECT_USERWITHAUTH |
TPMA_OBJECT_SIGN_ENCRYPT |
TPMA_OBJECT_FIXEDTPM |
TPMA_OBJECT_FIXEDPARENT |
TPMA_OBJECT_SENSITIVEDATAORIGIN),
.authPolicy = {
.size = 0,
},
.parameters.eccDetail = {
.symmetric = {
.algorithm = TPM2_ALG_NULL,
.keyBits.aes = 128,
.mode.aes = TPM2_ALG_CFB,
},
.scheme = {
.scheme = TPM2_ALG_ECDAA,
.details = {.ecdh = {.hashAlg = TPM2_ALG_SHA256}
}
},
.curveID = TPM2_ECC_NIST_P256,
.kdf = {.scheme = TPM2_ALG_NULL }
},
.unique.ecc = {
.x = {.size = 0,.buffer = {}},
.y = {.size = 0,.buffer = {}}
}
,
}
};
LOG_INFO("\nECC key will be created.");
TPM2B_PUBLIC inPublic = inPublicECC;
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, session,
ESYS_TR_NONE, ESYS_TR_NONE, &inSensitive, &inPublic,
&outsideInfo, &creationPCR, &eccHandle,
&outPublic, &creationData, &creationHash,
&creationTicket);
if (base_rc(r) == (TPM2_RC_SCHEME | TPM2_RC_P | TPM2_RC_2)) {
LOG_WARNING("Scheme ECDAA not supported by TPM.");
failure_return = EXIT_SKIP;
goto error;
}
goto_if_error(r, "Error esys create primary", error);
TPM2B_ECC_POINT P1 = {0};
TPM2B_SENSITIVE_DATA s2 = {0};
TPM2B_ECC_PARAMETER y2 = {0};
UINT16 counter;
r = Esys_Commit(esys_context, eccHandle,
session, ESYS_TR_NONE, ESYS_TR_NONE,
&P1, &s2, &y2,
&K, &L, &E, &counter);
goto_if_error(r, "Error: Commit", error);
r = Esys_FlushContext(esys_context, eccHandle);
goto_if_error(r, "Flushing context", error);
eccHandle = ESYS_TR_NONE;
r = Esys_FlushContext(esys_context, session);
goto_if_error(r, "Error: FlushContext", error);
session = ESYS_TR_NONE;
Esys_Free(outPublic);
Esys_Free(creationData);
Esys_Free(creationHash);
Esys_Free(creationTicket);
Esys_Free(K);
Esys_Free(L);
Esys_Free(E);
return EXIT_SUCCESS;
error:
LOG_ERROR("\nError Code: %x\n", r);
if (eccHandle != ESYS_TR_NONE) {
if (Esys_FlushContext(esys_context, eccHandle) != TSS2_RC_SUCCESS) {
LOG_ERROR("Cleanup eccHandle failed.");
}
}
if (session != ESYS_TR_NONE) {
if (Esys_FlushContext(esys_context, session) != TSS2_RC_SUCCESS) {
LOG_ERROR("Cleanup session failed.");
}
}
Esys_Free(outPublic);
Esys_Free(creationData);
Esys_Free(creationHash);
Esys_Free(creationTicket);
Esys_Free(K);
Esys_Free(L);
Esys_Free(E);
return failure_return;
}
int
test_invoke_esys(ESYS_CONTEXT * esys_context) {
return test_esys_commit(esys_context);
}
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