blob: aac0513f6bdc289fac2ec72c6959442b31346e54 [file] [log] [blame]
/* SPDX-License-Identifier: BSD-2-Clause */
/***********************************************************************;
* Copyright (c) 2015 - 2017, Intel Corporation
* All rights reserved.
***********************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "tss2_tpm2_types.h"
#include "tss2_mu.h"
#include "sysapi_util.h"
TSS2_RC Tss2_Sys_Quote_Prepare(
TSS2_SYS_CONTEXT *sysContext,
TPMI_DH_OBJECT signHandle,
const TPM2B_DATA *qualifyingData,
const TPMT_SIG_SCHEME *inScheme,
const TPML_PCR_SELECTION *PCRselect)
{
_TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
TSS2_RC rval;
if (!ctx || !inScheme || !PCRselect)
return TSS2_SYS_RC_BAD_REFERENCE;
rval = ValidateTPML_PCR_SELECTION(PCRselect);
if (rval)
return rval;
rval = CommonPreparePrologue(ctx, TPM2_CC_Quote);
if (rval)
return rval;
rval = Tss2_MU_UINT32_Marshal(signHandle, ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData);
if (rval)
return rval;
if (!qualifyingData) {
ctx->decryptNull = 1;
rval = Tss2_MU_UINT16_Marshal(0, ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData);
} else {
rval = Tss2_MU_TPM2B_DATA_Marshal(qualifyingData, ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData);
}
if (rval)
return rval;
rval = Tss2_MU_TPMT_SIG_SCHEME_Marshal(inScheme, ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData);
if (rval)
return rval;
rval = Tss2_MU_TPML_PCR_SELECTION_Marshal(PCRselect, ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData);
if (rval)
return rval;
ctx->decryptAllowed = 1;
ctx->encryptAllowed = 1;
ctx->authAllowed = 1;
return CommonPrepareEpilogue(ctx);
}
TSS2_RC Tss2_Sys_Quote_Complete(
TSS2_SYS_CONTEXT *sysContext,
TPM2B_ATTEST *quoted,
TPMT_SIGNATURE *signature)
{
_TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
TSS2_RC rval;
if (!ctx)
return TSS2_SYS_RC_BAD_REFERENCE;
rval = CommonComplete(ctx);
if (rval)
return rval;
rval = Tss2_MU_TPM2B_ATTEST_Unmarshal(ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData, quoted);
if (rval)
return rval;
return Tss2_MU_TPMT_SIGNATURE_Unmarshal(ctx->cmdBuffer,
ctx->maxCmdSize,
&ctx->nextData, signature);
}
TSS2_RC Tss2_Sys_Quote(
TSS2_SYS_CONTEXT *sysContext,
TPMI_DH_OBJECT signHandle,
TSS2L_SYS_AUTH_COMMAND const *cmdAuthsArray,
const TPM2B_DATA *qualifyingData,
const TPMT_SIG_SCHEME *inScheme,
const TPML_PCR_SELECTION *PCRselect,
TPM2B_ATTEST *quoted,
TPMT_SIGNATURE *signature,
TSS2L_SYS_AUTH_RESPONSE *rspAuthsArray)
{
_TSS2_SYS_CONTEXT_BLOB *ctx = syscontext_cast(sysContext);
TSS2_RC rval;
if (!inScheme || !PCRselect)
return TSS2_SYS_RC_BAD_REFERENCE;
rval = Tss2_Sys_Quote_Prepare(sysContext, signHandle, qualifyingData,
inScheme, PCRselect);
if (rval)
return rval;
rval = CommonOneCall(ctx, cmdAuthsArray, rspAuthsArray);
if (rval)
return rval;
return Tss2_Sys_Quote_Complete(sysContext, quoted, signature);
}